Attachment 12866 Details for Bug 29246 – log from gscan2pdf

log from gscan2pdf

gscan2pdf.log (text/plain), 143.44 KB, created by Aurelien Oudelet on 2021-07-16 10:26:11 CEST

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Creator: Aurelien Oudelet

Created: 2021-07-16 10:26:11 CEST

Size: 143.44 KB

patch

obsolete

>INFO - Starting gscan2pdf 2.11.0
>INFO - Called with /usr/bin/gscan2pdf --log=/tmp/gscan2pdf.log
>INFO - Log level DEBUG
>INFO - Using fr_FR.UTF-8 locale
>INFO - Startup LC_NUMERIC C
>INFO - Reading config from /home/aurelien/.gscan2pdf
>INFO - Config file version 2
>DEBUG - $VAR1 = {};
>
>INFO - Wrote config to /home/aurelien/.config/gscan2pdfrc
>INFO - Operating system: linux
>INFO - LSB_VERSION=
>DISTRIB_ID="Mageia"
>DISTRIB_RELEASE=8
>DISTRIB_CODENAME=mga8
>DISTRIB_DESCRIPTION="Mageia 8"
>INFO - Mageia release 8 (Official) for x86_64
>INFO - Mageia release 8 (Official) for x86_64
>INFO - Mageia release 8 (Official) for x86_64
>INFO - Mageia release 8 (Official) for x86_64
>INFO - NAME="Mageia"
>VERSION="8"
>ID=mageia
>VERSION_ID=8
>ID_LIKE="mandriva fedora"
>PRETTY_NAME="Mageia 8"
>ANSI_COLOR="1;36"
>HOME_URL="https://www.mageia.org/"
>SUPPORT_URL="https://www.mageia.org/support/"
>BUG_REPORT_URL="https://bugs.mageia.org/"
>PRIVACY_POLICY_URL="https://wiki.mageia.org/en/Privacy_policy"
>INFO - Mageia release 8 (Official) for x86_64
>INFO - Mageia release 8 (Official) for x86_64
>INFO - Perl version v5.32.1
>INFO - Glib-Perl version 1.3293
>INFO - Glib::Object::Introspection version 0.049
>INFO - Built for Glib 2.64.3
>INFO - Running with Glib 2.66.8
>INFO - Gtk3-Perl version 0.037
>INFO - Built for GTK 3.24.24
>INFO - Running with GTK 3.24.24
>INFO - Gtk3::SimpleList version 0.21
>INFO - Gscan2pdf::Document version 2.11.0
>INFO - Using Gtk3::ImageView version 4
>INFO - Using PDF::Builder version 3.021
>INFO - Using Sane version 1.0.31
>INFO - Using libimage-sane-perl version 5
>DEBUG - $VAR1 = {
>          'Blank threshold' => '0.005',
>          'Dark threshold' => '0.12',
>          'OCR on scan' => 1,
>          'OCR output' => 'replace',
>          'Page range' => 'all',
>          'Paper' => {
>                       'A3' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 297,
>                                 'y' => 420
>                               },
>                       'A4' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 210,
>                                 'y' => 297
>                               },
>                       'Lettre US' => {
>                                        'l' => 0,
>                                        't' => 0,
>                                        'x' => 216,
>                                        'y' => 279
>                                      },
>                       "L\x{e9}gal US" => {
>                                            'l' => 0,
>                                            't' => 0,
>                                            'x' => 216,
>                                            'y' => 356
>                                          }
>                     },
>          'SANE version' => '1.0.31',
>          'TMPDIR' => undef,
>          'adf-defaults-scan-all-pages' => 1,
>          'allow-batch-flatbed' => '',
>          'author' => undef,
>          'author-suggestions' => undef,
>          'auto-open-scan-dialog' => 1,
>          'available-tmp-warning' => 10,
>          'brightness tool' => 65,
>          'cache' => undef,
>          'cache options' => 1,
>          'cache-device-list' => 1,
>          'cancel-between-pages' => '',
>          'close_dialog_on_save' => 1,
>          'contrast tool' => 65,
>          'convert whitespace to underscores' => '',
>          'current_psh' => undef,
>          'current_udt' => undef,
>          'cwd' => undef,
>          'cycle sane handle' => '',
>          'datetime offset' => [
>                                 0,
>                                 0,
>                                 0,
>                                 0
>                               ],
>          'default filename' => '%Da %DY-%Dm-%Dd.%De',
>          'default profile' => undef,
>          'default-scan-options' => undef,
>          'device' => undef,
>          'device blacklist' => undef,
>          'device list' => [],
>          'downsample' => '',
>          'downsample dpi' => 150,
>          'frontend' => 'libimage-sane-perl',
>          'ignore-duplex-capabilities' => '',
>          'image type' => undef,
>          'keywords' => undef,
>          'keywords-suggestions' => undef,
>          'libimage-sane-perl version' => '5',
>          'message' => {},
>          'message_window_height' => 200,
>          'message_window_width' => 600,
>          'ocr engine' => 'tesseract',
>          'ocr language' => undef,
>          'pdf compression' => 'auto',
>          'pdf font' => undef,
>          'post_save_hook' => '',
>          'profile' => undef,
>          'ps_backend' => 'pdftops',
>          'quality' => 75,
>          'restore window' => 1,
>          'rotate facing' => 0,
>          'rotate reverse' => 0,
>          'scan prefix' => '',
>          'scan-reload-triggers' => 'mode',
>          'scan_window_height' => undef,
>          'scan_window_width' => undef,
>          'selection' => undef,
>          'set_timestamp' => 1,
>          'subject' => undef,
>          'subject-suggestions' => undef,
>          'text_position' => 'behind',
>          'threshold tool' => 80,
>          'threshold-before-ocr' => '',
>          'thumb panel' => 100,
>          'tiff compression' => undef,
>          'title' => undef,
>          'title-suggestions' => undef,
>          'to_png' => 1,
>          'udt_on_scan' => '',
>          'unpaper on scan' => '',
>          'unpaper options' => undef,
>          'unsharp amount' => 1,
>          'unsharp radius' => 0,
>          'unsharp sigma' => 1,
>          'unsharp threshold' => '0.05',
>          'use_time' => '',
>          'use_timezone' => 1,
>          'user_defined_tools' => [
>                                    'gimp %i'
>                                  ],
>          'version' => undef,
>          'view files toggle' => 1,
>          'viewer_tools' => 100,
>          'visible-scan-options' => {
>                                      'Paper size' => 1,
>                                      'adf-mode' => 1,
>                                      'adf_mode' => 1,
>                                      'batch-scan' => 1,
>                                      'brightness' => 1,
>                                      'button-wait' => 1,
>                                      'calibration-cache' => 1,
>                                      'compression' => 1,
>                                      'contrast' => 1,
>                                      'gain' => 1,
>                                      'l' => 1,
>                                      'mode' => 1,
>                                      'overscan-bottom' => 1,
>                                      'overscan-top' => 1,
>                                      'page-height' => 1,
>                                      'page-width' => 1,
>                                      'pageheight' => 1,
>                                      'pagewidth' => 1,
>                                      'resolution' => 1,
>                                      'source' => 1,
>                                      'speed' => 1,
>                                      't' => 1,
>                                      'threshold' => 1,
>                                      'wait-for-button' => 1,
>                                      'x' => 1,
>                                      'y' => 1
>                                    },
>          'window_height' => 600,
>          'window_maximize' => 1,
>          'window_width' => 800,
>          'window_x' => undef,
>          'window_y' => undef
>        };
>
>INFO - scanimage --version
>INFO - Forked PID 103676
>INFO - Checking /tmp for crashed sessions
>INFO - Using /tmp/gscan2pdf-Gs6H for temporary files
>INFO - which tesseract
>INFO - Spawned PID 103704
>INFO - which ocroscript
>INFO - Spawned PID 103705
>INFO - which cuneiform
>INFO - Spawned PID 103706
>INFO - unpaper --version
>INFO - Spawned PID 103707
>INFO - Found Image::Magick 7.0.10
>INFO - Found unpaper 6.1
>INFO - convert --version
>INFO - Spawned PID 103708
>INFO - Found imagemagick 7.0.10-62
>INFO - gm -version
>INFO - Spawned PID 103709
>INFO - Found graphicsmagick 1.3.36
>INFO - scanadf --version
>INFO - Spawned PID 103710
>INFO - Found scanadf 1.0.14
>INFO - xdg-email --version
>INFO - Spawned PID 103711
>INFO - Found xdg 1.1.3
>INFO - gocr -h
>INFO - Spawned PID 103712
>INFO - Found gocr 0.52 20181015
>INFO - cjb2 --version
>INFO - Spawned PID 103713
>INFO - Found djvu 3.5.28
>INFO - tiffcp -h
>INFO - Spawned PID 103714
>INFO - Found libtiff 4.2.0
>INFO - pdftops -v
>INFO - Spawned PID 103715
>INFO - Found pdftops 20.12.1
>INFO - pdfunite -v
>INFO - Spawned PID 103716
>INFO - Found pdfunite 20.12.1
>INFO - gs --version
>INFO - Spawned PID 103717
>INFO - Found pdf2ps 9.53.3
>INFO - pdftk --version
>INFO - pdftk --version: command not found
>INFO - xz --version
>INFO - Spawned PID 103719
>INFO - Found xz 5.2.5
>INFO - fc-list : family style file
>INFO - Spawned PID 103720
>DEBUG - Set logger in Gscan2pdf::Dialog::Scan::Image_Sane
>DEBUG - Set logger in Gscan2pdf::Dialog::Scan
>DEBUG - Started setting dir from undef to $VAR1 = bless( {
>                 'CLEANUP' => 1,
>                 'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
>                 'LAUNCHPID' => 102496,
>                 'REALNAME' => '/tmp/gscan2pdf-Gs6H'
>               }, 'File::Temp::Dir' );
>
>DEBUG - Finished setting dir from undef to $VAR1 = bless( {
>                 'CLEANUP' => 1,
>                 'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
>                 'LAUNCHPID' => 102496,
>                 'REALNAME' => '/tmp/gscan2pdf-Gs6H'
>               }, 'File::Temp::Dir' );
>
>DEBUG - Started setting document from undef to $VAR1 = bless( {
>                 'data' => [],
>                 'dir' => bless( {
>                                   'CLEANUP' => 1,
>                                   'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
>                                   'LAUNCHPID' => 102496,
>                                   'REALNAME' => '/tmp/gscan2pdf-Gs6H'
>                                 }, 'File::Temp::Dir' ),
>                 'heightt' => 100,
>                 'row_changed_signal' => 174,
>                 'selection_changed_signal' => 1988,
>                 'widtht' => 100
>               }, 'Gscan2pdf::Document' );
>
>DEBUG - Finished setting document from undef to $VAR1 = bless( {
>                 'data' => [],
>                 'dir' => bless( {
>                                   'CLEANUP' => 1,
>                                   'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
>                                   'LAUNCHPID' => 102496,
>                                   'REALNAME' => '/tmp/gscan2pdf-Gs6H'
>                                 }, 'File::Temp::Dir' ),
>                 'heightt' => 100,
>                 'row_changed_signal' => 174,
>                 'selection_changed_signal' => 1988,
>                 'widtht' => 100
>               }, 'Gscan2pdf::Document' );
>
>DEBUG - Started setting paper_formats from undef to $VAR1 = {
>          'A3' => {
>                    'l' => 0,
>                    't' => 0,
>                    'x' => 297,
>                    'y' => 420
>                  },
>          'A4' => {
>                    'l' => 0,
>                    't' => 0,
>                    'x' => 210,
>                    'y' => 297
>                  },
>          'Lettre US' => {
>                           'l' => 0,
>                           't' => 0,
>                           'x' => 216,
>                           'y' => 279
>                         },
>          "L\x{e9}gal US" => {
>                               'l' => 0,
>                               't' => 0,
>                               'x' => 216,
>                               'y' => 356
>                             }
>        };
>
>DEBUG - Finished setting paper_formats from undef to $VAR1 = {
>          'A3' => {
>                    'l' => 0,
>                    't' => 0,
>                    'x' => 297,
>                    'y' => 420
>                  },
>          'A4' => {
>                    'l' => 0,
>                    't' => 0,
>                    'x' => 210,
>                    'y' => 297
>                  },
>          'Lettre US' => {
>                           'l' => 0,
>                           't' => 0,
>                           'x' => 216,
>                           'y' => 279
>                         },
>          "L\x{e9}gal US" => {
>                               'l' => 0,
>                               't' => 0,
>                               'x' => 216,
>                               'y' => 356
>                             }
>        };
>
>DEBUG - Started setting cursor from default to wait
>DEBUG - Finished setting cursor from default to wait
>INFO - Waiting to reap process
>INFO - Reaped PID -1
>INFO - Sane->get_devices returned: $VAR1 = [
>          {
>            'model' => 'HD Pro Webcam C920',
>            'name' => 'v4l:/dev/video0',
>            'type' => 'virtual device',
>            'vendor' => 'Noname'
>          },
>          {
>            'model' => 'Canon PIXMA MG7700 Series',
>            'name' => 'pixma:MG7700_10A17C000000',
>            'type' => 'multi-function peripheral',
>            'vendor' => 'CANON'
>          }
>        ];
>
>DEBUG - Started setting device_list from undef to $VAR1 = [
>          {
>            'model' => 'HD Pro Webcam C920',
>            'name' => 'v4l:/dev/video0',
>            'type' => 'virtual device',
>            'vendor' => 'Noname'
>          },
>          {
>            'model' => 'Canon PIXMA MG7700 Series',
>            'name' => 'pixma:MG7700_10A17C000000',
>            'type' => 'multi-function peripheral',
>            'vendor' => 'CANON'
>          }
>        ];
>
>INFO - signal 'changed-device-list' emitted with data: $VAR1 = [
>          {
>            'label' => 'Noname HD Pro Webcam C920',
>            'model' => 'HD Pro Webcam C920',
>            'name' => 'v4l:/dev/video0',
>            'type' => 'virtual device',
>            'vendor' => 'Noname'
>          },
>          {
>            'label' => 'CANON Canon PIXMA MG7700 Series',
>            'model' => 'Canon PIXMA MG7700 Series',
>            'name' => 'pixma:MG7700_10A17C000000',
>            'type' => 'multi-function peripheral',
>            'vendor' => 'CANON'
>          }
>        ];
>
>DEBUG - Started setting device from  to v4l:/dev/video0
>INFO - signal 'changed-device' emitted with data: 'v4l:/dev/video0'
>DEBUG - Finished setting device from  to v4l:/dev/video0
>DEBUG - Finished setting device_list from undef to $VAR1 = [
>          {
>            'model' => 'HD Pro Webcam C920',
>            'name' => 'v4l:/dev/video0',
>            'type' => 'virtual device',
>            'vendor' => 'Noname'
>          },
>          {
>            'model' => 'Canon PIXMA MG7700 Series',
>            'name' => 'pixma:MG7700_10A17C000000',
>            'type' => 'multi-function peripheral',
>            'vendor' => 'CANON'
>          }
>        ];
>
>DEBUG - Started setting cursor from wait to default
>DEBUG - Finished setting cursor from wait to default
>DEBUG - opened device 'v4l:/dev/video0'
>DEBUG - Started setting cursor from default to wait
>DEBUG - Finished setting cursor from default to wait
>DEBUG - signal 'started-process' emitted with message: Ouvrir le périphérique
>DEBUG - signal 'finished-process' emitted with data: open_device
>DEBUG - Backend reports 15 options
>DEBUG - signal 'started-process' emitted with message: Retrieving options
>DEBUG - Sane->get_option_descriptor returned: $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 1,
>                                'max_values' => 1,
>                                'title' => 'Scan Mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Gray',
>                                                  'Color'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Gray'
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => [
>                                                  'Camera 1'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'channel',
>                                'title' => 'Channel',
>                                'type' => 3,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 64,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 607,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 421,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 6,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 767,
>                                                  'min' => 160,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 511,
>                                                  'min' => 90,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 8,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'title' => 'Enhancement',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the brightness of the acquired image.',
>                                'index' => 10,
>                                'max_values' => 1,
>                                'name' => 'brightness',
>                                'title' => 'Brightness',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'hue',
>                                'title' => 'Hue',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Sets the picture\'s color.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'color',
>                                'title' => 'Picture color',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the contrast of the acquired image.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'contrast',
>                                'title' => 'Contrast',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Selects what radiance level should be considered "white".',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'white-level',
>                                'title' => 'White level',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 767,
>                                 'y' => 511
>                               },
>                 'hash' => {
>                             'br-x' => $VAR1->{'array'}[7],
>                             'br-y' => $VAR1->{'array'}[8],
>                             'brightness' => $VAR1->{'array'}[10],
>                             'channel' => $VAR1->{'array'}[3],
>                             'color' => $VAR1->{'array'}[12],
>                             'contrast' => $VAR1->{'array'}[13],
>                             'hue' => $VAR1->{'array'}[11],
>                             'mode' => $VAR1->{'array'}[2],
>                             'tl-x' => $VAR1->{'array'}[5],
>                             'tl-y' => $VAR1->{'array'}[6],
>                             'white-level' => $VAR1->{'array'}[14]
>                           }
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - signal 'finished-process' emitted with data: find_scan_options
>DEBUG - Started setting available_scan_options from undef to $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 1,
>                                'max_values' => 1,
>                                'title' => 'Scan Mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Gray',
>                                                  'Color'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Gray'
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => [
>                                                  'Camera 1'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'channel',
>                                'title' => 'Channel',
>                                'type' => 3,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 64,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 607,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 421,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 6,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 767,
>                                                  'min' => 160,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 511,
>                                                  'min' => 90,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 8,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'title' => 'Enhancement',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the brightness of the acquired image.',
>                                'index' => 10,
>                                'max_values' => 1,
>                                'name' => 'brightness',
>                                'title' => 'Brightness',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'hue',
>                                'title' => 'Hue',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Sets the picture\'s color.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'color',
>                                'title' => 'Picture color',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the contrast of the acquired image.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'contrast',
>                                'title' => 'Contrast',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Selects what radiance level should be considered "white".',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'white-level',
>                                'title' => 'White level',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 767,
>                                 'y' => 511
>                               },
>                 'hash' => {
>                             'br-x' => $VAR1->{'array'}[7],
>                             'br-y' => $VAR1->{'array'}[8],
>                             'brightness' => $VAR1->{'array'}[10],
>                             'channel' => $VAR1->{'array'}[3],
>                             'color' => $VAR1->{'array'}[12],
>                             'contrast' => $VAR1->{'array'}[13],
>                             'hue' => $VAR1->{'array'}[11],
>                             'mode' => $VAR1->{'array'}[2],
>                             'tl-x' => $VAR1->{'array'}[5],
>                             'tl-y' => $VAR1->{'array'}[6],
>                             'white-level' => $VAR1->{'array'}[14]
>                           }
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - Finished setting available_scan_options from undef to $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 1,
>                                'max_values' => 1,
>                                'title' => 'Scan Mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Gray',
>                                                  'Color'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Gray'
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => [
>                                                  'Camera 1'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'channel',
>                                'title' => 'Channel',
>                                'type' => 3,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 64,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 607,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 421,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 6,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 767,
>                                                  'min' => 160,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 511,
>                                                  'min' => 90,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 8,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'title' => 'Enhancement',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the brightness of the acquired image.',
>                                'index' => 10,
>                                'max_values' => 1,
>                                'name' => 'brightness',
>                                'title' => 'Brightness',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'hue',
>                                'title' => 'Hue',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Sets the picture\'s color.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'color',
>                                'title' => 'Picture color',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the contrast of the acquired image.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'contrast',
>                                'title' => 'Contrast',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Selects what radiance level should be considered "white".',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'white-level',
>                                'title' => 'White level',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 767,
>                                 'y' => 511
>                               },
>                 'hash' => {
>                             'br-x' => $VAR1->{'array'}[7],
>                             'br-y' => $VAR1->{'array'}[8],
>                             'brightness' => $VAR1->{'array'}[10],
>                             'channel' => $VAR1->{'array'}[3],
>                             'color' => $VAR1->{'array'}[12],
>                             'contrast' => $VAR1->{'array'}[13],
>                             'hue' => $VAR1->{'array'}[11],
>                             'mode' => $VAR1->{'array'}[2],
>                             'tl-x' => $VAR1->{'array'}[5],
>                             'tl-y' => $VAR1->{'array'}[6],
>                             'white-level' => $VAR1->{'array'}[14]
>                           }
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - Options support paper size 'A4'.
>DEBUG - Options support paper size 'Lettre US'.
>DEBUG - Options support paper size 'Légal US'.
>DEBUG - Options support paper size 'A3'.
>DEBUG - Started setting cursor from wait to default
>DEBUG - Finished setting cursor from wait to default
>DEBUG - Started setting device from v4l:/dev/video0 to pixma:MG7700_10A17C000000
>INFO - signal 'changed-device' emitted with data: 'pixma:MG7700_10A17C000000'
>DEBUG - Finished setting device from v4l:/dev/video0 to pixma:MG7700_10A17C000000
>DEBUG - Started setting cursor from default to wait
>DEBUG - Finished setting cursor from default to wait
>DEBUG - signal 'started-process' emitted with message: Ouvrir le périphérique
>DEBUG - opened device 'pixma:MG7700_10A17C000000'
>DEBUG - signal 'finished-process' emitted with data: open_device
>DEBUG - Backend reports 29 options
>DEBUG - signal 'started-process' emitted with message: Retrieving options
>DEBUG - Sane->get_option_descriptor returned: $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan mode',
>                                'index' => 1,
>                                'max_values' => 0,
>                                'title' => 'Scan mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  75,
>                                                  150,
>                                                  300,
>                                                  600,
>                                                  1200,
>                                                  2400
>                                                ],
>                                'constraint_type' => 2,
>                                'desc' => 'Sets the resolution of the scanned image.',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 4,
>                                'val' => 75
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  'Color',
>                                                  'Gray',
>                                                  'Lineart'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Color'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Flatbed'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'name' => 'source',
>                                'title' => 'Scan source',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Flatbed'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint_type' => 0,
>                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'button-controlled',
>                                'title' => 'Button-controlled scan',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Gamma',
>                                'index' => 6,
>                                'max_values' => 0,
>                                'title' => 'Gamma',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint_type' => 0,
>                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'custom-gamma',
>                                'title' => 'Use custom gamma table',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 65535,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
>                                'index' => 8,
>                                'max_values' => 1024,
>                                'name' => 'gamma-table',
>                                'title' => 'Image intensity',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => 5,
>                                                  'min' => '0.29998779296875',
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Changes intensity of midtones',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'name' => 'gamma',
>                                'title' => 'Gamma function exponent',
>                                'type' => 2,
>                                'unit' => 0,
>                                'val' => '2.19999694824219'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Geometry',
>                                'index' => 10,
>                                'max_values' => 0,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '216.069320678711'
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '297.010665893555'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Buttons',
>                                'index' => 15,
>                                'max_values' => 0,
>                                'title' => 'Buttons',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 69,
>                                'constraint_type' => 0,
>                                'desc' => 'Update button state',
>                                'index' => 16,
>                                'max_values' => 0,
>                                'name' => 'button-update',
>                                'title' => 'Update button state',
>                                'type' => 4,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 1',
>                                'index' => 17,
>                                'max_values' => 1,
>                                'name' => 'button-1',
>                                'title' => 'Button 1',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 2',
>                                'index' => 18,
>                                'max_values' => 1,
>                                'name' => 'button-2',
>                                'title' => 'Button 2',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Type of original to scan',
>                                'index' => 19,
>                                'max_values' => 1,
>                                'name' => 'original',
>                                'title' => 'Type of original to scan',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Target operation type',
>                                'index' => 20,
>                                'max_values' => 1,
>                                'name' => 'target',
>                                'title' => 'Target operation type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan resolution',
>                                'index' => 21,
>                                'max_values' => 1,
>                                'name' => 'scan-resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Document type',
>                                'index' => 22,
>                                'max_values' => 1,
>                                'name' => 'document-type',
>                                'title' => 'Document type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF status',
>                                'index' => 23,
>                                'max_values' => 1,
>                                'name' => 'adf-status',
>                                'title' => 'ADF status',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF orientation',
>                                'index' => 24,
>                                'max_values' => 1,
>                                'name' => 'adf-orientation',
>                                'title' => 'ADF orientation',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Extras',
>                                'index' => 25,
>                                'max_values' => 0,
>                                'title' => 'Extras',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 100,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Select minimum-brightness to get a white point',
>                                'index' => 26,
>                                'max_values' => 1,
>                                'name' => 'threshold',
>                                'title' => 'Threshold',
>                                'type' => 1,
>                                'unit' => 5
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 127,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
>                                'index' => 27,
>                                'max_values' => 1,
>                                'name' => 'threshold-curve',
>                                'title' => 'Threshold curve',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 3600,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
>                                'index' => 28,
>                                'max_values' => 1,
>                                'name' => 'adf-wait',
>                                'title' => 'ADF Waiting Time',
>                                'type' => 1,
>                                'unit' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => '216.069320678711',
>                                 'y' => '297.010665893555'
>                               },
>                 'hash' => {
>                             'adf-orientation' => $VAR1->{'array'}[24],
>                             'adf-status' => $VAR1->{'array'}[23],
>                             'adf-wait' => $VAR1->{'array'}[28],
>                             'br-x' => $VAR1->{'array'}[13],
>                             'br-y' => $VAR1->{'array'}[14],
>                             'button-1' => $VAR1->{'array'}[17],
>                             'button-2' => $VAR1->{'array'}[18],
>                             'button-controlled' => $VAR1->{'array'}[5],
>                             'button-update' => $VAR1->{'array'}[16],
>                             'custom-gamma' => $VAR1->{'array'}[7],
>                             'document-type' => $VAR1->{'array'}[22],
>                             'gamma' => $VAR1->{'array'}[9],
>                             'gamma-table' => $VAR1->{'array'}[8],
>                             'mode' => $VAR1->{'array'}[3],
>                             'original' => $VAR1->{'array'}[19],
>                             'resolution' => $VAR1->{'array'}[2],
>                             'scan-resolution' => $VAR1->{'array'}[21],
>                             'source' => $VAR1->{'array'}[4],
>                             'target' => $VAR1->{'array'}[20],
>                             'threshold' => $VAR1->{'array'}[26],
>                             'threshold-curve' => $VAR1->{'array'}[27],
>                             'tl-x' => $VAR1->{'array'}[11],
>                             'tl-y' => $VAR1->{'array'}[12]
>                           },
>                 'source' => $VAR1->{'array'}[4]
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - signal 'finished-process' emitted with data: find_scan_options
>DEBUG - Started setting available_scan_options from $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 1,
>                                'max_values' => 1,
>                                'title' => 'Scan Mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Gray',
>                                                  'Color'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Gray'
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => [
>                                                  'Camera 1'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'channel',
>                                'title' => 'Channel',
>                                'type' => 3,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 64,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 607,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 421,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 6,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 767,
>                                                  'min' => 160,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 511,
>                                                  'min' => 90,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 8,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'title' => 'Enhancement',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the brightness of the acquired image.',
>                                'index' => 10,
>                                'max_values' => 1,
>                                'name' => 'brightness',
>                                'title' => 'Brightness',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'hue',
>                                'title' => 'Hue',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Sets the picture\'s color.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'color',
>                                'title' => 'Picture color',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the contrast of the acquired image.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'contrast',
>                                'title' => 'Contrast',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Selects what radiance level should be considered "white".',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'white-level',
>                                'title' => 'White level',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 767,
>                                 'y' => 511
>                               },
>                 'hash' => {
>                             'br-x' => $VAR1->{'array'}[7],
>                             'br-y' => $VAR1->{'array'}[8],
>                             'brightness' => $VAR1->{'array'}[10],
>                             'channel' => $VAR1->{'array'}[3],
>                             'color' => $VAR1->{'array'}[12],
>                             'contrast' => $VAR1->{'array'}[13],
>                             'hue' => $VAR1->{'array'}[11],
>                             'mode' => $VAR1->{'array'}[2],
>                             'tl-x' => $VAR1->{'array'}[5],
>                             'tl-y' => $VAR1->{'array'}[6],
>                             'white-level' => $VAR1->{'array'}[14]
>                           },
>                 'source' => {
>                               'constraint' => []
>                             }
>               }, 'Gscan2pdf::Scanner::Options' );
> to $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan mode',
>                                'index' => 1,
>                                'max_values' => 0,
>                                'title' => 'Scan mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  75,
>                                                  150,
>                                                  300,
>                                                  600,
>                                                  1200,
>                                                  2400
>                                                ],
>                                'constraint_type' => 2,
>                                'desc' => 'Sets the resolution of the scanned image.',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 4,
>                                'val' => 75
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  'Color',
>                                                  'Gray',
>                                                  'Lineart'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Color'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Flatbed'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'name' => 'source',
>                                'title' => 'Scan source',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Flatbed'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint_type' => 0,
>                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'button-controlled',
>                                'title' => 'Button-controlled scan',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Gamma',
>                                'index' => 6,
>                                'max_values' => 0,
>                                'title' => 'Gamma',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint_type' => 0,
>                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'custom-gamma',
>                                'title' => 'Use custom gamma table',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 65535,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
>                                'index' => 8,
>                                'max_values' => 1024,
>                                'name' => 'gamma-table',
>                                'title' => 'Image intensity',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => 5,
>                                                  'min' => '0.29998779296875',
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Changes intensity of midtones',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'name' => 'gamma',
>                                'title' => 'Gamma function exponent',
>                                'type' => 2,
>                                'unit' => 0,
>                                'val' => '2.19999694824219'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Geometry',
>                                'index' => 10,
>                                'max_values' => 0,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '216.069320678711'
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '297.010665893555'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Buttons',
>                                'index' => 15,
>                                'max_values' => 0,
>                                'title' => 'Buttons',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 69,
>                                'constraint_type' => 0,
>                                'desc' => 'Update button state',
>                                'index' => 16,
>                                'max_values' => 0,
>                                'name' => 'button-update',
>                                'title' => 'Update button state',
>                                'type' => 4,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 1',
>                                'index' => 17,
>                                'max_values' => 1,
>                                'name' => 'button-1',
>                                'title' => 'Button 1',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 2',
>                                'index' => 18,
>                                'max_values' => 1,
>                                'name' => 'button-2',
>                                'title' => 'Button 2',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Type of original to scan',
>                                'index' => 19,
>                                'max_values' => 1,
>                                'name' => 'original',
>                                'title' => 'Type of original to scan',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Target operation type',
>                                'index' => 20,
>                                'max_values' => 1,
>                                'name' => 'target',
>                                'title' => 'Target operation type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan resolution',
>                                'index' => 21,
>                                'max_values' => 1,
>                                'name' => 'scan-resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Document type',
>                                'index' => 22,
>                                'max_values' => 1,
>                                'name' => 'document-type',
>                                'title' => 'Document type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF status',
>                                'index' => 23,
>                                'max_values' => 1,
>                                'name' => 'adf-status',
>                                'title' => 'ADF status',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF orientation',
>                                'index' => 24,
>                                'max_values' => 1,
>                                'name' => 'adf-orientation',
>                                'title' => 'ADF orientation',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Extras',
>                                'index' => 25,
>                                'max_values' => 0,
>                                'title' => 'Extras',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 100,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Select minimum-brightness to get a white point',
>                                'index' => 26,
>                                'max_values' => 1,
>                                'name' => 'threshold',
>                                'title' => 'Threshold',
>                                'type' => 1,
>                                'unit' => 5
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 127,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
>                                'index' => 27,
>                                'max_values' => 1,
>                                'name' => 'threshold-curve',
>                                'title' => 'Threshold curve',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 3600,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
>                                'index' => 28,
>                                'max_values' => 1,
>                                'name' => 'adf-wait',
>                                'title' => 'ADF Waiting Time',
>                                'type' => 1,
>                                'unit' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => '216.069320678711',
>                                 'y' => '297.010665893555'
>                               },
>                 'hash' => {
>                             'adf-orientation' => $VAR1->{'array'}[24],
>                             'adf-status' => $VAR1->{'array'}[23],
>                             'adf-wait' => $VAR1->{'array'}[28],
>                             'br-x' => $VAR1->{'array'}[13],
>                             'br-y' => $VAR1->{'array'}[14],
>                             'button-1' => $VAR1->{'array'}[17],
>                             'button-2' => $VAR1->{'array'}[18],
>                             'button-controlled' => $VAR1->{'array'}[5],
>                             'button-update' => $VAR1->{'array'}[16],
>                             'custom-gamma' => $VAR1->{'array'}[7],
>                             'document-type' => $VAR1->{'array'}[22],
>                             'gamma' => $VAR1->{'array'}[9],
>                             'gamma-table' => $VAR1->{'array'}[8],
>                             'mode' => $VAR1->{'array'}[3],
>                             'original' => $VAR1->{'array'}[19],
>                             'resolution' => $VAR1->{'array'}[2],
>                             'scan-resolution' => $VAR1->{'array'}[21],
>                             'source' => $VAR1->{'array'}[4],
>                             'target' => $VAR1->{'array'}[20],
>                             'threshold' => $VAR1->{'array'}[26],
>                             'threshold-curve' => $VAR1->{'array'}[27],
>                             'tl-x' => $VAR1->{'array'}[11],
>                             'tl-y' => $VAR1->{'array'}[12]
>                           },
>                 'source' => $VAR1->{'array'}[4]
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - Finished setting available_scan_options from $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 1,
>                                'max_values' => 1,
>                                'title' => 'Scan Mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Gray',
>                                                  'Color'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Gray'
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => [
>                                                  'Camera 1'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'channel',
>                                'title' => 'Channel',
>                                'type' => 3,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 64,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 607,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 421,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 6,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 767,
>                                                  'min' => 160,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 37,
>                                'constraint' => {
>                                                  'max' => 511,
>                                                  'min' => 90,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 8,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 1,
>                                'unit' => 1
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => '',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'title' => 'Enhancement',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the brightness of the acquired image.',
>                                'index' => 10,
>                                'max_values' => 1,
>                                'name' => 'brightness',
>                                'title' => 'Brightness',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'hue',
>                                'title' => 'Hue',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Sets the picture\'s color.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'color',
>                                'title' => 'Picture color',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Controls the contrast of the acquired image.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'contrast',
>                                'title' => 'Contrast',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 128
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => {
>                                                  'max' => 255,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Selects what radiance level should be considered "white".',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'white-level',
>                                'title' => 'White level',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => 767,
>                                 'y' => 511
>                               },
>                 'hash' => {
>                             'br-x' => $VAR1->{'array'}[7],
>                             'br-y' => $VAR1->{'array'}[8],
>                             'brightness' => $VAR1->{'array'}[10],
>                             'channel' => $VAR1->{'array'}[3],
>                             'color' => $VAR1->{'array'}[12],
>                             'contrast' => $VAR1->{'array'}[13],
>                             'hue' => $VAR1->{'array'}[11],
>                             'mode' => $VAR1->{'array'}[2],
>                             'tl-x' => $VAR1->{'array'}[5],
>                             'tl-y' => $VAR1->{'array'}[6],
>                             'white-level' => $VAR1->{'array'}[14]
>                           },
>                 'source' => {
>                               'constraint' => []
>                             }
>               }, 'Gscan2pdf::Scanner::Options' );
> to $VAR1 = bless( {
>                 'array' => [
>                              {
>                                'index' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan mode',
>                                'index' => 1,
>                                'max_values' => 0,
>                                'title' => 'Scan mode',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  75,
>                                                  150,
>                                                  300,
>                                                  600,
>                                                  1200,
>                                                  2400
>                                                ],
>                                'constraint_type' => 2,
>                                'desc' => 'Sets the resolution of the scanned image.',
>                                'index' => 2,
>                                'max_values' => 1,
>                                'name' => 'resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 4,
>                                'val' => 75
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => [
>                                                  'Color',
>                                                  'Gray',
>                                                  'Lineart'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
>                                'index' => 3,
>                                'max_values' => 1,
>                                'name' => 'mode',
>                                'title' => 'Scan mode',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Color'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint' => [
>                                                  'Flatbed'
>                                                ],
>                                'constraint_type' => 3,
>                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
>                                'index' => 4,
>                                'max_values' => 1,
>                                'name' => 'source',
>                                'title' => 'Scan source',
>                                'type' => 3,
>                                'unit' => 0,
>                                'val' => 'Flatbed'
>                              },
>                              {
>                                'cap' => 5,
>                                'constraint_type' => 0,
>                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
>                                'index' => 5,
>                                'max_values' => 1,
>                                'name' => 'button-controlled',
>                                'title' => 'Button-controlled scan',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Gamma',
>                                'index' => 6,
>                                'max_values' => 0,
>                                'title' => 'Gamma',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint_type' => 0,
>                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
>                                'index' => 7,
>                                'max_values' => 1,
>                                'name' => 'custom-gamma',
>                                'title' => 'Use custom gamma table',
>                                'type' => 0,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 65535,
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
>                                'index' => 8,
>                                'max_values' => 1024,
>                                'name' => 'gamma-table',
>                                'title' => 'Image intensity',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => 5,
>                                                  'min' => '0.29998779296875',
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Changes intensity of midtones',
>                                'index' => 9,
>                                'max_values' => 1,
>                                'name' => 'gamma',
>                                'title' => 'Gamma function exponent',
>                                'type' => 2,
>                                'unit' => 0,
>                                'val' => '2.19999694824219'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Geometry',
>                                'index' => 10,
>                                'max_values' => 0,
>                                'title' => 'Geometry',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left x position of scan area.',
>                                'index' => 11,
>                                'max_values' => 1,
>                                'name' => 'tl-x',
>                                'title' => 'Top-left x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Top-left y position of scan area.',
>                                'index' => 12,
>                                'max_values' => 1,
>                                'name' => 'tl-y',
>                                'title' => 'Top-left y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '216.069320678711',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right x position of scan area.',
>                                'index' => 13,
>                                'max_values' => 1,
>                                'name' => 'br-x',
>                                'title' => 'Bottom-right x',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '216.069320678711'
>                              },
>                              {
>                                'cap' => 21,
>                                'constraint' => {
>                                                  'max' => '297.010665893555',
>                                                  'min' => 0,
>                                                  'quant' => 0
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Bottom-right y position of scan area.',
>                                'index' => 14,
>                                'max_values' => 1,
>                                'name' => 'br-y',
>                                'title' => 'Bottom-right y',
>                                'type' => 2,
>                                'unit' => 3,
>                                'val' => '297.010665893555'
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Buttons',
>                                'index' => 15,
>                                'max_values' => 0,
>                                'title' => 'Buttons',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 69,
>                                'constraint_type' => 0,
>                                'desc' => 'Update button state',
>                                'index' => 16,
>                                'max_values' => 0,
>                                'name' => 'button-update',
>                                'title' => 'Update button state',
>                                'type' => 4,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 1',
>                                'index' => 17,
>                                'max_values' => 1,
>                                'name' => 'button-1',
>                                'title' => 'Button 1',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Button 2',
>                                'index' => 18,
>                                'max_values' => 1,
>                                'name' => 'button-2',
>                                'title' => 'Button 2',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Type of original to scan',
>                                'index' => 19,
>                                'max_values' => 1,
>                                'name' => 'original',
>                                'title' => 'Type of original to scan',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Target operation type',
>                                'index' => 20,
>                                'max_values' => 1,
>                                'name' => 'target',
>                                'title' => 'Target operation type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Scan resolution',
>                                'index' => 21,
>                                'max_values' => 1,
>                                'name' => 'scan-resolution',
>                                'title' => 'Scan resolution',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'Document type',
>                                'index' => 22,
>                                'max_values' => 1,
>                                'name' => 'document-type',
>                                'title' => 'Document type',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF status',
>                                'index' => 23,
>                                'max_values' => 1,
>                                'name' => 'adf-status',
>                                'title' => 'ADF status',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 68,
>                                'constraint_type' => 0,
>                                'desc' => 'ADF orientation',
>                                'index' => 24,
>                                'max_values' => 1,
>                                'name' => 'adf-orientation',
>                                'title' => 'ADF orientation',
>                                'type' => 1,
>                                'unit' => 0,
>                                'val' => 0
>                              },
>                              {
>                                'cap' => 0,
>                                'constraint_type' => 0,
>                                'desc' => 'Extras',
>                                'index' => 25,
>                                'max_values' => 0,
>                                'title' => 'Extras',
>                                'type' => 5,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 100,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Select minimum-brightness to get a white point',
>                                'index' => 26,
>                                'max_values' => 1,
>                                'name' => 'threshold',
>                                'title' => 'Threshold',
>                                'type' => 1,
>                                'unit' => 5
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 127,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
>                                'index' => 27,
>                                'max_values' => 1,
>                                'name' => 'threshold-curve',
>                                'title' => 'Threshold curve',
>                                'type' => 1,
>                                'unit' => 0
>                              },
>                              {
>                                'cap' => 53,
>                                'constraint' => {
>                                                  'max' => 3600,
>                                                  'min' => 0,
>                                                  'quant' => 1
>                                                },
>                                'constraint_type' => 1,
>                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
>                                'index' => 28,
>                                'max_values' => 1,
>                                'name' => 'adf-wait',
>                                'title' => 'ADF Waiting Time',
>                                'type' => 1,
>                                'unit' => 0
>                              }
>                            ],
>                 'geometry' => {
>                                 'l' => 0,
>                                 't' => 0,
>                                 'x' => '216.069320678711',
>                                 'y' => '297.010665893555'
>                               },
>                 'hash' => {
>                             'adf-orientation' => $VAR1->{'array'}[24],
>                             'adf-status' => $VAR1->{'array'}[23],
>                             'adf-wait' => $VAR1->{'array'}[28],
>                             'br-x' => $VAR1->{'array'}[13],
>                             'br-y' => $VAR1->{'array'}[14],
>                             'button-1' => $VAR1->{'array'}[17],
>                             'button-2' => $VAR1->{'array'}[18],
>                             'button-controlled' => $VAR1->{'array'}[5],
>                             'button-update' => $VAR1->{'array'}[16],
>                             'custom-gamma' => $VAR1->{'array'}[7],
>                             'document-type' => $VAR1->{'array'}[22],
>                             'gamma' => $VAR1->{'array'}[9],
>                             'gamma-table' => $VAR1->{'array'}[8],
>                             'mode' => $VAR1->{'array'}[3],
>                             'original' => $VAR1->{'array'}[19],
>                             'resolution' => $VAR1->{'array'}[2],
>                             'scan-resolution' => $VAR1->{'array'}[21],
>                             'source' => $VAR1->{'array'}[4],
>                             'target' => $VAR1->{'array'}[20],
>                             'threshold' => $VAR1->{'array'}[26],
>                             'threshold-curve' => $VAR1->{'array'}[27],
>                             'tl-x' => $VAR1->{'array'}[11],
>                             'tl-y' => $VAR1->{'array'}[12]
>                           },
>                 'source' => $VAR1->{'array'}[4]
>               }, 'Gscan2pdf::Scanner::Options' );
>
>DEBUG - Options support paper size 'A4'.
>DEBUG - Options support paper size 'Lettre US'.
>DEBUG - Options do not support paper size 'Légal US'.
>DEBUG - Options do not support paper size 'A3'.
>DEBUG - Started setting cursor from wait to default
>DEBUG - Finished setting cursor from wait to default
>INFO - sane_set_option 2 (resolution) to 300 returned status 0 (Success) with info 4 (SANE_INFO_RELOAD_PARAMS)
>DEBUG - signal 'started-process' emitted with message: Setting option resolution
>DEBUG - signal 'finished-process' emitted with data: set_option resolution to 300
>DEBUG - Setting widget 'resolution' to '300'.
>INFO - rotate facing 0
>INFO - rotate reverse 0
>INFO - unpaper 
>INFO - UDT 
>INFO - Current UDT gimp %i
>INFO - OCR 
>DEBUG - Started setting cursor from default to progress
>DEBUG - Finished setting cursor from default to progress
>INFO - gscan2pdf: scanning image of size 2552x3508 pixels at 24 bits/pixel
>INFO - gscan2pdf: acquiring RGB frame
>INFO - Scanning 1 pages from 1 with step 1
>DEBUG - signal 'started-process' emitted with message: Numérisation de la page 1 sur 1
>INFO - gscan2pdf: sane_read: End of file reached
>INFO - gscan2pdf: min/max graylevel value = 255/0
>INFO - gscan2pdf: read 26857248 bytes in total
>INFO - Scanned page /tmp/gscan2pdf-Gs6H/2jKPMPlzjm.pnm. (scanner status = 5)
>DEBUG - $VAR1 = [];
>
>DEBUG - Free space in /tmp/gscan2pdf-Gs6H (Mb): 7954.35546875 (warning at 10)
>INFO - Importing scan with resolution=300,300
>DEBUG - signal 'finished-process' emitted with data: scan_pages
>DEBUG - Started setting cursor from progress to default
>DEBUG - Finished setting cursor from progress to default
>INFO - Header suggests 26857285
>INFO - Expecting 26857285, found 26857285
>INFO - New page filename /tmp/gscan2pdf-Gs6H/2jKPMPlzjm.pnm, format Portable anymap
>INFO - New page written as /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204)
>DEBUG - Started setting page_number_start from 1 to 2
>DEBUG - Started setting max_pages from 0 to -1
>DEBUG - Finished setting max_pages from 0 to -1
>DEBUG - Finished setting page_number_start from 1 to 2
>INFO - Added /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with resolution 300,300
>INFO - New page filename /tmp/gscan2pdf-Gs6H/RnY_3tQCtJ.png, format Portable Network Graphics
>INFO - New page written as /tmp/gscan2pdf-Gs6H/eKTiQeWL7X.png (8F5F9806-E60D-11EB-8FF1-F24B42F48204)
>INFO - Converted /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm to /tmp/gscan2pdf-Gs6H/eKTiQeWL7X.png
>INFO - Replaced /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204), resolution 300,300
>DEBUG - $VAR1 = [
>          [
>            1,
>            bless( {}, 'Gtk3::Gdk::Pixbuf' ),
>            bless( {
>                     'dir' => '/tmp/gscan2pdf-Gs6H',
>                     'filename' => bless( \*{'File::Temp::$fh'}, 'File::Temp' ),
>                     'format' => 'Portable Network Graphics',
>                     'height' => 3508,
>                     'uuid' => '8CAC8722-E60D-11EB-8FF1-F24B42F48204',
>                     'width' => '2552',
>                     'xresolution' => 300,
>                     'yresolution' => 300
>                   }, 'Gscan2pdf::Page' )
>          ]
>        ];
>
>DEBUG - Free space in /tmp/gscan2pdf-Gs6H (Mb): 7924.87890625 (warning at 10)
>INFO - Rotating /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png by 90 degrees
>INFO - Replaced /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204), resolution 300,300
>DEBUG - save filename dialog returned ok
>DEBUG - FileChooserDialog returned /home/aurelien/Desktop/2021-07-16.pdf
>DEBUG - Started saving /home/aurelien/Desktop/2021-07-16.pdf
>INFO - Using /usr/share/fonts/TTF/fonts-ttf-urw/P052-Roman.ttf for non-ASCII text
>INFO - Depth of /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png is 8
>INFO - Type of /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png is TrueColor
>INFO - Selecting jpg compression
>INFO - Converting /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png to /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg with quality=75
>INFO - Writing temporary image /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg
>INFO - Embedding OCR output behind image
>INFO - Defining page at 841.92 pt x 612.48 pt
>INFO - Added /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg at 300 PPI
>INFO - Closing PDF
>INFO - Opening file:///home/aurelien/Desktop/2021-07-16.pdf via default launcher
>DEBUG - Finished saving /home/aurelien/Desktop/2021-07-16.pdf
>INFO - Wrote config to /home/aurelien/.config/gscan2pdfrc
>INFO - Killing Sane thread(s)

INFO - Starting gscan2pdf 2.11.0
INFO - Called with /usr/bin/gscan2pdf --log=/tmp/gscan2pdf.log
INFO - Log level DEBUG
INFO - Using fr_FR.UTF-8 locale
INFO - Startup LC_NUMERIC C
INFO - Reading config from /home/aurelien/.gscan2pdf
INFO - Config file version 2
DEBUG - $VAR1 = {};

INFO - Wrote config to /home/aurelien/.config/gscan2pdfrc
INFO - Operating system: linux
INFO - LSB_VERSION=
DISTRIB_ID="Mageia"
DISTRIB_RELEASE=8
DISTRIB_CODENAME=mga8
DISTRIB_DESCRIPTION="Mageia 8"
INFO - Mageia release 8 (Official) for x86_64
INFO - Mageia release 8 (Official) for x86_64
INFO - Mageia release 8 (Official) for x86_64
INFO - Mageia release 8 (Official) for x86_64
INFO - NAME="Mageia"
VERSION="8"
ID=mageia
VERSION_ID=8
ID_LIKE="mandriva fedora"
PRETTY_NAME="Mageia 8"
ANSI_COLOR="1;36"
HOME_URL="https://www.mageia.org/"
SUPPORT_URL="https://www.mageia.org/support/"
BUG_REPORT_URL="https://bugs.mageia.org/"
PRIVACY_POLICY_URL="https://wiki.mageia.org/en/Privacy_policy"
INFO - Mageia release 8 (Official) for x86_64
INFO - Mageia release 8 (Official) for x86_64
INFO - Perl version v5.32.1
INFO - Glib-Perl version 1.3293
INFO - Glib::Object::Introspection version 0.049
INFO - Built for Glib 2.64.3
INFO - Running with Glib 2.66.8
INFO - Gtk3-Perl version 0.037
INFO - Built for GTK 3.24.24
INFO - Running with GTK 3.24.24
INFO - Gtk3::SimpleList version 0.21
INFO - Gscan2pdf::Document version 2.11.0
INFO - Using Gtk3::ImageView version 4
INFO - Using PDF::Builder version 3.021
INFO - Using Sane version 1.0.31
INFO - Using libimage-sane-perl version 5
DEBUG - $VAR1 = {
          'Blank threshold' => '0.005',
          'Dark threshold' => '0.12',
          'OCR on scan' => 1,
          'OCR output' => 'replace',
          'Page range' => 'all',
          'Paper' => {
                       'A3' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 297,
                                 'y' => 420
                               },
                       'A4' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 210,
                                 'y' => 297
                               },
                       'Lettre US' => {
                                        'l' => 0,
                                        't' => 0,
                                        'x' => 216,
                                        'y' => 279
                                      },
                       "L\x{e9}gal US" => {
                                            'l' => 0,
                                            't' => 0,
                                            'x' => 216,
                                            'y' => 356
                                          }
                     },
          'SANE version' => '1.0.31',
          'TMPDIR' => undef,
          'adf-defaults-scan-all-pages' => 1,
          'allow-batch-flatbed' => '',
          'author' => undef,
          'author-suggestions' => undef,
          'auto-open-scan-dialog' => 1,
          'available-tmp-warning' => 10,
          'brightness tool' => 65,
          'cache' => undef,
          'cache options' => 1,
          'cache-device-list' => 1,
          'cancel-between-pages' => '',
          'close_dialog_on_save' => 1,
          'contrast tool' => 65,
          'convert whitespace to underscores' => '',
          'current_psh' => undef,
          'current_udt' => undef,
          'cwd' => undef,
          'cycle sane handle' => '',
          'datetime offset' => [
                                 0,
                                 0,
                                 0,
                                 0
                               ],
          'default filename' => '%Da %DY-%Dm-%Dd.%De',
          'default profile' => undef,
          'default-scan-options' => undef,
          'device' => undef,
          'device blacklist' => undef,
          'device list' => [],
          'downsample' => '',
          'downsample dpi' => 150,
          'frontend' => 'libimage-sane-perl',
          'ignore-duplex-capabilities' => '',
          'image type' => undef,
          'keywords' => undef,
          'keywords-suggestions' => undef,
          'libimage-sane-perl version' => '5',
          'message' => {},
          'message_window_height' => 200,
          'message_window_width' => 600,
          'ocr engine' => 'tesseract',
          'ocr language' => undef,
          'pdf compression' => 'auto',
          'pdf font' => undef,
          'post_save_hook' => '',
          'profile' => undef,
          'ps_backend' => 'pdftops',
          'quality' => 75,
          'restore window' => 1,
          'rotate facing' => 0,
          'rotate reverse' => 0,
          'scan prefix' => '',
          'scan-reload-triggers' => 'mode',
          'scan_window_height' => undef,
          'scan_window_width' => undef,
          'selection' => undef,
          'set_timestamp' => 1,
          'subject' => undef,
          'subject-suggestions' => undef,
          'text_position' => 'behind',
          'threshold tool' => 80,
          'threshold-before-ocr' => '',
          'thumb panel' => 100,
          'tiff compression' => undef,
          'title' => undef,
          'title-suggestions' => undef,
          'to_png' => 1,
          'udt_on_scan' => '',
          'unpaper on scan' => '',
          'unpaper options' => undef,
          'unsharp amount' => 1,
          'unsharp radius' => 0,
          'unsharp sigma' => 1,
          'unsharp threshold' => '0.05',
          'use_time' => '',
          'use_timezone' => 1,
          'user_defined_tools' => [
                                    'gimp %i'
                                  ],
          'version' => undef,
          'view files toggle' => 1,
          'viewer_tools' => 100,
          'visible-scan-options' => {
                                      'Paper size' => 1,
                                      'adf-mode' => 1,
                                      'adf_mode' => 1,
                                      'batch-scan' => 1,
                                      'brightness' => 1,
                                      'button-wait' => 1,
                                      'calibration-cache' => 1,
                                      'compression' => 1,
                                      'contrast' => 1,
                                      'gain' => 1,
                                      'l' => 1,
                                      'mode' => 1,
                                      'overscan-bottom' => 1,
                                      'overscan-top' => 1,
                                      'page-height' => 1,
                                      'page-width' => 1,
                                      'pageheight' => 1,
                                      'pagewidth' => 1,
                                      'resolution' => 1,
                                      'source' => 1,
                                      'speed' => 1,
                                      't' => 1,
                                      'threshold' => 1,
                                      'wait-for-button' => 1,
                                      'x' => 1,
                                      'y' => 1
                                    },
          'window_height' => 600,
          'window_maximize' => 1,
          'window_width' => 800,
          'window_x' => undef,
          'window_y' => undef
        };

INFO - scanimage --version
INFO - Forked PID 103676
INFO - Checking /tmp for crashed sessions
INFO - Using /tmp/gscan2pdf-Gs6H for temporary files
INFO - which tesseract
INFO - Spawned PID 103704
INFO - which ocroscript
INFO - Spawned PID 103705
INFO - which cuneiform
INFO - Spawned PID 103706
INFO - unpaper --version
INFO - Spawned PID 103707
INFO - Found Image::Magick 7.0.10
INFO - Found unpaper 6.1
INFO - convert --version
INFO - Spawned PID 103708
INFO - Found imagemagick 7.0.10-62
INFO - gm -version
INFO - Spawned PID 103709
INFO - Found graphicsmagick 1.3.36
INFO - scanadf --version
INFO - Spawned PID 103710
INFO - Found scanadf 1.0.14
INFO - xdg-email --version
INFO - Spawned PID 103711
INFO - Found xdg 1.1.3
INFO - gocr -h
INFO - Spawned PID 103712
INFO - Found gocr 0.52 20181015
INFO - cjb2 --version
INFO - Spawned PID 103713
INFO - Found djvu 3.5.28
INFO - tiffcp -h
INFO - Spawned PID 103714
INFO - Found libtiff 4.2.0
INFO - pdftops -v
INFO - Spawned PID 103715
INFO - Found pdftops 20.12.1
INFO - pdfunite -v
INFO - Spawned PID 103716
INFO - Found pdfunite 20.12.1
INFO - gs --version
INFO - Spawned PID 103717
INFO - Found pdf2ps 9.53.3
INFO - pdftk --version
INFO - pdftk --version: command not found
INFO - xz --version
INFO - Spawned PID 103719
INFO - Found xz 5.2.5
INFO - fc-list : family style file
INFO - Spawned PID 103720
DEBUG - Set logger in Gscan2pdf::Dialog::Scan::Image_Sane
DEBUG - Set logger in Gscan2pdf::Dialog::Scan
DEBUG - Started setting dir from undef to $VAR1 = bless( {
                 'CLEANUP' => 1,
                 'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
                 'LAUNCHPID' => 102496,
                 'REALNAME' => '/tmp/gscan2pdf-Gs6H'
               }, 'File::Temp::Dir' );

DEBUG - Finished setting dir from undef to $VAR1 = bless( {
                 'CLEANUP' => 1,
                 'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
                 'LAUNCHPID' => 102496,
                 'REALNAME' => '/tmp/gscan2pdf-Gs6H'
               }, 'File::Temp::Dir' );

DEBUG - Started setting document from undef to $VAR1 = bless( {
                 'data' => [],
                 'dir' => bless( {
                                   'CLEANUP' => 1,
                                   'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
                                   'LAUNCHPID' => 102496,
                                   'REALNAME' => '/tmp/gscan2pdf-Gs6H'
                                 }, 'File::Temp::Dir' ),
                 'heightt' => 100,
                 'row_changed_signal' => 174,
                 'selection_changed_signal' => 1988,
                 'widtht' => 100
               }, 'Gscan2pdf::Document' );

DEBUG - Finished setting document from undef to $VAR1 = bless( {
                 'data' => [],
                 'dir' => bless( {
                                   'CLEANUP' => 1,
                                   'DIRNAME' => '/tmp/gscan2pdf-Gs6H',
                                   'LAUNCHPID' => 102496,
                                   'REALNAME' => '/tmp/gscan2pdf-Gs6H'
                                 }, 'File::Temp::Dir' ),
                 'heightt' => 100,
                 'row_changed_signal' => 174,
                 'selection_changed_signal' => 1988,
                 'widtht' => 100
               }, 'Gscan2pdf::Document' );

DEBUG - Started setting paper_formats from undef to $VAR1 = {
          'A3' => {
                    'l' => 0,
                    't' => 0,
                    'x' => 297,
                    'y' => 420
                  },
          'A4' => {
                    'l' => 0,
                    't' => 0,
                    'x' => 210,
                    'y' => 297
                  },
          'Lettre US' => {
                           'l' => 0,
                           't' => 0,
                           'x' => 216,
                           'y' => 279
                         },
          "L\x{e9}gal US" => {
                               'l' => 0,
                               't' => 0,
                               'x' => 216,
                               'y' => 356
                             }
        };

DEBUG - Finished setting paper_formats from undef to $VAR1 = {
          'A3' => {
                    'l' => 0,
                    't' => 0,
                    'x' => 297,
                    'y' => 420
                  },
          'A4' => {
                    'l' => 0,
                    't' => 0,
                    'x' => 210,
                    'y' => 297
                  },
          'Lettre US' => {
                           'l' => 0,
                           't' => 0,
                           'x' => 216,
                           'y' => 279
                         },
          "L\x{e9}gal US" => {
                               'l' => 0,
                               't' => 0,
                               'x' => 216,
                               'y' => 356
                             }
        };

DEBUG - Started setting cursor from default to wait
DEBUG - Finished setting cursor from default to wait
INFO - Waiting to reap process
INFO - Reaped PID -1
INFO - Sane->get_devices returned: $VAR1 = [
          {
            'model' => 'HD Pro Webcam C920',
            'name' => 'v4l:/dev/video0',
            'type' => 'virtual device',
            'vendor' => 'Noname'
          },
          {
            'model' => 'Canon PIXMA MG7700 Series',
            'name' => 'pixma:MG7700_10A17C000000',
            'type' => 'multi-function peripheral',
            'vendor' => 'CANON'
          }
        ];

DEBUG - Started setting device_list from undef to $VAR1 = [
          {
            'model' => 'HD Pro Webcam C920',
            'name' => 'v4l:/dev/video0',
            'type' => 'virtual device',
            'vendor' => 'Noname'
          },
          {
            'model' => 'Canon PIXMA MG7700 Series',
            'name' => 'pixma:MG7700_10A17C000000',
            'type' => 'multi-function peripheral',
            'vendor' => 'CANON'
          }
        ];

INFO - signal 'changed-device-list' emitted with data: $VAR1 = [
          {
            'label' => 'Noname HD Pro Webcam C920',
            'model' => 'HD Pro Webcam C920',
            'name' => 'v4l:/dev/video0',
            'type' => 'virtual device',
            'vendor' => 'Noname'
          },
          {
            'label' => 'CANON Canon PIXMA MG7700 Series',
            'model' => 'Canon PIXMA MG7700 Series',
            'name' => 'pixma:MG7700_10A17C000000',
            'type' => 'multi-function peripheral',
            'vendor' => 'CANON'
          }
        ];

DEBUG - Started setting device from  to v4l:/dev/video0
INFO - signal 'changed-device' emitted with data: 'v4l:/dev/video0'
DEBUG - Finished setting device from  to v4l:/dev/video0
DEBUG - Finished setting device_list from undef to $VAR1 = [
          {
            'model' => 'HD Pro Webcam C920',
            'name' => 'v4l:/dev/video0',
            'type' => 'virtual device',
            'vendor' => 'Noname'
          },
          {
            'model' => 'Canon PIXMA MG7700 Series',
            'name' => 'pixma:MG7700_10A17C000000',
            'type' => 'multi-function peripheral',
            'vendor' => 'CANON'
          }
        ];

DEBUG - Started setting cursor from wait to default
DEBUG - Finished setting cursor from wait to default
DEBUG - opened device 'v4l:/dev/video0'
DEBUG - Started setting cursor from default to wait
DEBUG - Finished setting cursor from default to wait
DEBUG - signal 'started-process' emitted with message: Ouvrir le périphérique
DEBUG - signal 'finished-process' emitted with data: open_device
DEBUG - Backend reports 15 options
DEBUG - signal 'started-process' emitted with message: Retrieving options
DEBUG - Sane->get_option_descriptor returned: $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 1,
                                'max_values' => 1,
                                'title' => 'Scan Mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Gray',
                                                  'Color'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Gray'
                              },
                              {
                                'cap' => 37,
                                'constraint' => [
                                                  'Camera 1'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'channel',
                                'title' => 'Channel',
                                'type' => 3,
                                'unit' => 0
                              },
                              {
                                'cap' => 64,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 4,
                                'max_values' => 1,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 607,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 421,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 6,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 767,
                                                  'min' => 160,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 511,
                                                  'min' => 90,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 8,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 9,
                                'max_values' => 1,
                                'title' => 'Enhancement',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the brightness of the acquired image.',
                                'index' => 10,
                                'max_values' => 1,
                                'name' => 'brightness',
                                'title' => 'Brightness',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'hue',
                                'title' => 'Hue',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Sets the picture\'s color.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'color',
                                'title' => 'Picture color',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the contrast of the acquired image.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'contrast',
                                'title' => 'Contrast',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Selects what radiance level should be considered "white".',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'white-level',
                                'title' => 'White level',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 767,
                                 'y' => 511
                               },
                 'hash' => {
                             'br-x' => $VAR1->{'array'}[7],
                             'br-y' => $VAR1->{'array'}[8],
                             'brightness' => $VAR1->{'array'}[10],
                             'channel' => $VAR1->{'array'}[3],
                             'color' => $VAR1->{'array'}[12],
                             'contrast' => $VAR1->{'array'}[13],
                             'hue' => $VAR1->{'array'}[11],
                             'mode' => $VAR1->{'array'}[2],
                             'tl-x' => $VAR1->{'array'}[5],
                             'tl-y' => $VAR1->{'array'}[6],
                             'white-level' => $VAR1->{'array'}[14]
                           }
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - signal 'finished-process' emitted with data: find_scan_options
DEBUG - Started setting available_scan_options from undef to $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 1,
                                'max_values' => 1,
                                'title' => 'Scan Mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Gray',
                                                  'Color'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Gray'
                              },
                              {
                                'cap' => 37,
                                'constraint' => [
                                                  'Camera 1'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'channel',
                                'title' => 'Channel',
                                'type' => 3,
                                'unit' => 0
                              },
                              {
                                'cap' => 64,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 4,
                                'max_values' => 1,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 607,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 421,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 6,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 767,
                                                  'min' => 160,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 511,
                                                  'min' => 90,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 8,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 9,
                                'max_values' => 1,
                                'title' => 'Enhancement',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the brightness of the acquired image.',
                                'index' => 10,
                                'max_values' => 1,
                                'name' => 'brightness',
                                'title' => 'Brightness',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'hue',
                                'title' => 'Hue',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Sets the picture\'s color.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'color',
                                'title' => 'Picture color',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the contrast of the acquired image.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'contrast',
                                'title' => 'Contrast',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Selects what radiance level should be considered "white".',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'white-level',
                                'title' => 'White level',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 767,
                                 'y' => 511
                               },
                 'hash' => {
                             'br-x' => $VAR1->{'array'}[7],
                             'br-y' => $VAR1->{'array'}[8],
                             'brightness' => $VAR1->{'array'}[10],
                             'channel' => $VAR1->{'array'}[3],
                             'color' => $VAR1->{'array'}[12],
                             'contrast' => $VAR1->{'array'}[13],
                             'hue' => $VAR1->{'array'}[11],
                             'mode' => $VAR1->{'array'}[2],
                             'tl-x' => $VAR1->{'array'}[5],
                             'tl-y' => $VAR1->{'array'}[6],
                             'white-level' => $VAR1->{'array'}[14]
                           }
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - Finished setting available_scan_options from undef to $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 1,
                                'max_values' => 1,
                                'title' => 'Scan Mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Gray',
                                                  'Color'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Gray'
                              },
                              {
                                'cap' => 37,
                                'constraint' => [
                                                  'Camera 1'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'channel',
                                'title' => 'Channel',
                                'type' => 3,
                                'unit' => 0
                              },
                              {
                                'cap' => 64,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 4,
                                'max_values' => 1,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 607,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 421,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 6,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 767,
                                                  'min' => 160,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 511,
                                                  'min' => 90,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 8,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 9,
                                'max_values' => 1,
                                'title' => 'Enhancement',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the brightness of the acquired image.',
                                'index' => 10,
                                'max_values' => 1,
                                'name' => 'brightness',
                                'title' => 'Brightness',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'hue',
                                'title' => 'Hue',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Sets the picture\'s color.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'color',
                                'title' => 'Picture color',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the contrast of the acquired image.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'contrast',
                                'title' => 'Contrast',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Selects what radiance level should be considered "white".',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'white-level',
                                'title' => 'White level',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 767,
                                 'y' => 511
                               },
                 'hash' => {
                             'br-x' => $VAR1->{'array'}[7],
                             'br-y' => $VAR1->{'array'}[8],
                             'brightness' => $VAR1->{'array'}[10],
                             'channel' => $VAR1->{'array'}[3],
                             'color' => $VAR1->{'array'}[12],
                             'contrast' => $VAR1->{'array'}[13],
                             'hue' => $VAR1->{'array'}[11],
                             'mode' => $VAR1->{'array'}[2],
                             'tl-x' => $VAR1->{'array'}[5],
                             'tl-y' => $VAR1->{'array'}[6],
                             'white-level' => $VAR1->{'array'}[14]
                           }
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - Options support paper size 'A4'.
DEBUG - Options support paper size 'Lettre US'.
DEBUG - Options support paper size 'Légal US'.
DEBUG - Options support paper size 'A3'.
DEBUG - Started setting cursor from wait to default
DEBUG - Finished setting cursor from wait to default
DEBUG - Started setting device from v4l:/dev/video0 to pixma:MG7700_10A17C000000
INFO - signal 'changed-device' emitted with data: 'pixma:MG7700_10A17C000000'
DEBUG - Finished setting device from v4l:/dev/video0 to pixma:MG7700_10A17C000000
DEBUG - Started setting cursor from default to wait
DEBUG - Finished setting cursor from default to wait
DEBUG - signal 'started-process' emitted with message: Ouvrir le périphérique
DEBUG - opened device 'pixma:MG7700_10A17C000000'
DEBUG - signal 'finished-process' emitted with data: open_device
DEBUG - Backend reports 29 options
DEBUG - signal 'started-process' emitted with message: Retrieving options
DEBUG - Sane->get_option_descriptor returned: $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Scan mode',
                                'index' => 1,
                                'max_values' => 0,
                                'title' => 'Scan mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  75,
                                                  150,
                                                  300,
                                                  600,
                                                  1200,
                                                  2400
                                                ],
                                'constraint_type' => 2,
                                'desc' => 'Sets the resolution of the scanned image.',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 4,
                                'val' => 75
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  'Color',
                                                  'Gray',
                                                  'Lineart'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Color'
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Flatbed'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
                                'index' => 4,
                                'max_values' => 1,
                                'name' => 'source',
                                'title' => 'Scan source',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Flatbed'
                              },
                              {
                                'cap' => 5,
                                'constraint_type' => 0,
                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'button-controlled',
                                'title' => 'Button-controlled scan',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Gamma',
                                'index' => 6,
                                'max_values' => 0,
                                'title' => 'Gamma',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint_type' => 0,
                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'custom-gamma',
                                'title' => 'Use custom gamma table',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 65535,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
                                'index' => 8,
                                'max_values' => 1024,
                                'name' => 'gamma-table',
                                'title' => 'Image intensity',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => 5,
                                                  'min' => '0.29998779296875',
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Changes intensity of midtones',
                                'index' => 9,
                                'max_values' => 1,
                                'name' => 'gamma',
                                'title' => 'Gamma function exponent',
                                'type' => 2,
                                'unit' => 0,
                                'val' => '2.19999694824219'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Geometry',
                                'index' => 10,
                                'max_values' => 0,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '216.069320678711'
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '297.010665893555'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Buttons',
                                'index' => 15,
                                'max_values' => 0,
                                'title' => 'Buttons',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 69,
                                'constraint_type' => 0,
                                'desc' => 'Update button state',
                                'index' => 16,
                                'max_values' => 0,
                                'name' => 'button-update',
                                'title' => 'Update button state',
                                'type' => 4,
                                'unit' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 1',
                                'index' => 17,
                                'max_values' => 1,
                                'name' => 'button-1',
                                'title' => 'Button 1',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 2',
                                'index' => 18,
                                'max_values' => 1,
                                'name' => 'button-2',
                                'title' => 'Button 2',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Type of original to scan',
                                'index' => 19,
                                'max_values' => 1,
                                'name' => 'original',
                                'title' => 'Type of original to scan',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Target operation type',
                                'index' => 20,
                                'max_values' => 1,
                                'name' => 'target',
                                'title' => 'Target operation type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Scan resolution',
                                'index' => 21,
                                'max_values' => 1,
                                'name' => 'scan-resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Document type',
                                'index' => 22,
                                'max_values' => 1,
                                'name' => 'document-type',
                                'title' => 'Document type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF status',
                                'index' => 23,
                                'max_values' => 1,
                                'name' => 'adf-status',
                                'title' => 'ADF status',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF orientation',
                                'index' => 24,
                                'max_values' => 1,
                                'name' => 'adf-orientation',
                                'title' => 'ADF orientation',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Extras',
                                'index' => 25,
                                'max_values' => 0,
                                'title' => 'Extras',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 100,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Select minimum-brightness to get a white point',
                                'index' => 26,
                                'max_values' => 1,
                                'name' => 'threshold',
                                'title' => 'Threshold',
                                'type' => 1,
                                'unit' => 5
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 127,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
                                'index' => 27,
                                'max_values' => 1,
                                'name' => 'threshold-curve',
                                'title' => 'Threshold curve',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 3600,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
                                'index' => 28,
                                'max_values' => 1,
                                'name' => 'adf-wait',
                                'title' => 'ADF Waiting Time',
                                'type' => 1,
                                'unit' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => '216.069320678711',
                                 'y' => '297.010665893555'
                               },
                 'hash' => {
                             'adf-orientation' => $VAR1->{'array'}[24],
                             'adf-status' => $VAR1->{'array'}[23],
                             'adf-wait' => $VAR1->{'array'}[28],
                             'br-x' => $VAR1->{'array'}[13],
                             'br-y' => $VAR1->{'array'}[14],
                             'button-1' => $VAR1->{'array'}[17],
                             'button-2' => $VAR1->{'array'}[18],
                             'button-controlled' => $VAR1->{'array'}[5],
                             'button-update' => $VAR1->{'array'}[16],
                             'custom-gamma' => $VAR1->{'array'}[7],
                             'document-type' => $VAR1->{'array'}[22],
                             'gamma' => $VAR1->{'array'}[9],
                             'gamma-table' => $VAR1->{'array'}[8],
                             'mode' => $VAR1->{'array'}[3],
                             'original' => $VAR1->{'array'}[19],
                             'resolution' => $VAR1->{'array'}[2],
                             'scan-resolution' => $VAR1->{'array'}[21],
                             'source' => $VAR1->{'array'}[4],
                             'target' => $VAR1->{'array'}[20],
                             'threshold' => $VAR1->{'array'}[26],
                             'threshold-curve' => $VAR1->{'array'}[27],
                             'tl-x' => $VAR1->{'array'}[11],
                             'tl-y' => $VAR1->{'array'}[12]
                           },
                 'source' => $VAR1->{'array'}[4]
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - signal 'finished-process' emitted with data: find_scan_options
DEBUG - Started setting available_scan_options from $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 1,
                                'max_values' => 1,
                                'title' => 'Scan Mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Gray',
                                                  'Color'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Gray'
                              },
                              {
                                'cap' => 37,
                                'constraint' => [
                                                  'Camera 1'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'channel',
                                'title' => 'Channel',
                                'type' => 3,
                                'unit' => 0
                              },
                              {
                                'cap' => 64,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 4,
                                'max_values' => 1,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 607,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 421,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 6,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 767,
                                                  'min' => 160,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 511,
                                                  'min' => 90,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 8,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 9,
                                'max_values' => 1,
                                'title' => 'Enhancement',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the brightness of the acquired image.',
                                'index' => 10,
                                'max_values' => 1,
                                'name' => 'brightness',
                                'title' => 'Brightness',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'hue',
                                'title' => 'Hue',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Sets the picture\'s color.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'color',
                                'title' => 'Picture color',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the contrast of the acquired image.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'contrast',
                                'title' => 'Contrast',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Selects what radiance level should be considered "white".',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'white-level',
                                'title' => 'White level',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 767,
                                 'y' => 511
                               },
                 'hash' => {
                             'br-x' => $VAR1->{'array'}[7],
                             'br-y' => $VAR1->{'array'}[8],
                             'brightness' => $VAR1->{'array'}[10],
                             'channel' => $VAR1->{'array'}[3],
                             'color' => $VAR1->{'array'}[12],
                             'contrast' => $VAR1->{'array'}[13],
                             'hue' => $VAR1->{'array'}[11],
                             'mode' => $VAR1->{'array'}[2],
                             'tl-x' => $VAR1->{'array'}[5],
                             'tl-y' => $VAR1->{'array'}[6],
                             'white-level' => $VAR1->{'array'}[14]
                           },
                 'source' => {
                               'constraint' => []
                             }
               }, 'Gscan2pdf::Scanner::Options' );
 to $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Scan mode',
                                'index' => 1,
                                'max_values' => 0,
                                'title' => 'Scan mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  75,
                                                  150,
                                                  300,
                                                  600,
                                                  1200,
                                                  2400
                                                ],
                                'constraint_type' => 2,
                                'desc' => 'Sets the resolution of the scanned image.',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 4,
                                'val' => 75
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  'Color',
                                                  'Gray',
                                                  'Lineart'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Color'
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Flatbed'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
                                'index' => 4,
                                'max_values' => 1,
                                'name' => 'source',
                                'title' => 'Scan source',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Flatbed'
                              },
                              {
                                'cap' => 5,
                                'constraint_type' => 0,
                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'button-controlled',
                                'title' => 'Button-controlled scan',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Gamma',
                                'index' => 6,
                                'max_values' => 0,
                                'title' => 'Gamma',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint_type' => 0,
                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'custom-gamma',
                                'title' => 'Use custom gamma table',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 65535,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
                                'index' => 8,
                                'max_values' => 1024,
                                'name' => 'gamma-table',
                                'title' => 'Image intensity',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => 5,
                                                  'min' => '0.29998779296875',
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Changes intensity of midtones',
                                'index' => 9,
                                'max_values' => 1,
                                'name' => 'gamma',
                                'title' => 'Gamma function exponent',
                                'type' => 2,
                                'unit' => 0,
                                'val' => '2.19999694824219'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Geometry',
                                'index' => 10,
                                'max_values' => 0,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '216.069320678711'
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '297.010665893555'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Buttons',
                                'index' => 15,
                                'max_values' => 0,
                                'title' => 'Buttons',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 69,
                                'constraint_type' => 0,
                                'desc' => 'Update button state',
                                'index' => 16,
                                'max_values' => 0,
                                'name' => 'button-update',
                                'title' => 'Update button state',
                                'type' => 4,
                                'unit' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 1',
                                'index' => 17,
                                'max_values' => 1,
                                'name' => 'button-1',
                                'title' => 'Button 1',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 2',
                                'index' => 18,
                                'max_values' => 1,
                                'name' => 'button-2',
                                'title' => 'Button 2',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Type of original to scan',
                                'index' => 19,
                                'max_values' => 1,
                                'name' => 'original',
                                'title' => 'Type of original to scan',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Target operation type',
                                'index' => 20,
                                'max_values' => 1,
                                'name' => 'target',
                                'title' => 'Target operation type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Scan resolution',
                                'index' => 21,
                                'max_values' => 1,
                                'name' => 'scan-resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Document type',
                                'index' => 22,
                                'max_values' => 1,
                                'name' => 'document-type',
                                'title' => 'Document type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF status',
                                'index' => 23,
                                'max_values' => 1,
                                'name' => 'adf-status',
                                'title' => 'ADF status',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF orientation',
                                'index' => 24,
                                'max_values' => 1,
                                'name' => 'adf-orientation',
                                'title' => 'ADF orientation',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Extras',
                                'index' => 25,
                                'max_values' => 0,
                                'title' => 'Extras',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 100,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Select minimum-brightness to get a white point',
                                'index' => 26,
                                'max_values' => 1,
                                'name' => 'threshold',
                                'title' => 'Threshold',
                                'type' => 1,
                                'unit' => 5
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 127,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
                                'index' => 27,
                                'max_values' => 1,
                                'name' => 'threshold-curve',
                                'title' => 'Threshold curve',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 3600,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
                                'index' => 28,
                                'max_values' => 1,
                                'name' => 'adf-wait',
                                'title' => 'ADF Waiting Time',
                                'type' => 1,
                                'unit' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => '216.069320678711',
                                 'y' => '297.010665893555'
                               },
                 'hash' => {
                             'adf-orientation' => $VAR1->{'array'}[24],
                             'adf-status' => $VAR1->{'array'}[23],
                             'adf-wait' => $VAR1->{'array'}[28],
                             'br-x' => $VAR1->{'array'}[13],
                             'br-y' => $VAR1->{'array'}[14],
                             'button-1' => $VAR1->{'array'}[17],
                             'button-2' => $VAR1->{'array'}[18],
                             'button-controlled' => $VAR1->{'array'}[5],
                             'button-update' => $VAR1->{'array'}[16],
                             'custom-gamma' => $VAR1->{'array'}[7],
                             'document-type' => $VAR1->{'array'}[22],
                             'gamma' => $VAR1->{'array'}[9],
                             'gamma-table' => $VAR1->{'array'}[8],
                             'mode' => $VAR1->{'array'}[3],
                             'original' => $VAR1->{'array'}[19],
                             'resolution' => $VAR1->{'array'}[2],
                             'scan-resolution' => $VAR1->{'array'}[21],
                             'source' => $VAR1->{'array'}[4],
                             'target' => $VAR1->{'array'}[20],
                             'threshold' => $VAR1->{'array'}[26],
                             'threshold-curve' => $VAR1->{'array'}[27],
                             'tl-x' => $VAR1->{'array'}[11],
                             'tl-y' => $VAR1->{'array'}[12]
                           },
                 'source' => $VAR1->{'array'}[4]
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - Finished setting available_scan_options from $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 1,
                                'max_values' => 1,
                                'title' => 'Scan Mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Gray',
                                                  'Color'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Gray'
                              },
                              {
                                'cap' => 37,
                                'constraint' => [
                                                  'Camera 1'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the channel of the v4l device (e.g. television or video-in.',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'channel',
                                'title' => 'Channel',
                                'type' => 3,
                                'unit' => 0
                              },
                              {
                                'cap' => 64,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 4,
                                'max_values' => 1,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 607,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 421,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 6,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 767,
                                                  'min' => 160,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 37,
                                'constraint' => {
                                                  'max' => 511,
                                                  'min' => 90,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 8,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 1,
                                'unit' => 1
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => '',
                                'index' => 9,
                                'max_values' => 1,
                                'title' => 'Enhancement',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the brightness of the acquired image.',
                                'index' => 10,
                                'max_values' => 1,
                                'name' => 'brightness',
                                'title' => 'Brightness',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the "hue" (blue-level) of the acquired image.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'hue',
                                'title' => 'Hue',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Sets the picture\'s color.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'color',
                                'title' => 'Picture color',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Controls the contrast of the acquired image.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'contrast',
                                'title' => 'Contrast',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 128
                              },
                              {
                                'cap' => 5,
                                'constraint' => {
                                                  'max' => 255,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Selects what radiance level should be considered "white".',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'white-level',
                                'title' => 'White level',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => 767,
                                 'y' => 511
                               },
                 'hash' => {
                             'br-x' => $VAR1->{'array'}[7],
                             'br-y' => $VAR1->{'array'}[8],
                             'brightness' => $VAR1->{'array'}[10],
                             'channel' => $VAR1->{'array'}[3],
                             'color' => $VAR1->{'array'}[12],
                             'contrast' => $VAR1->{'array'}[13],
                             'hue' => $VAR1->{'array'}[11],
                             'mode' => $VAR1->{'array'}[2],
                             'tl-x' => $VAR1->{'array'}[5],
                             'tl-y' => $VAR1->{'array'}[6],
                             'white-level' => $VAR1->{'array'}[14]
                           },
                 'source' => {
                               'constraint' => []
                             }
               }, 'Gscan2pdf::Scanner::Options' );
 to $VAR1 = bless( {
                 'array' => [
                              {
                                'index' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Scan mode',
                                'index' => 1,
                                'max_values' => 0,
                                'title' => 'Scan mode',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  75,
                                                  150,
                                                  300,
                                                  600,
                                                  1200,
                                                  2400
                                                ],
                                'constraint_type' => 2,
                                'desc' => 'Sets the resolution of the scanned image.',
                                'index' => 2,
                                'max_values' => 1,
                                'name' => 'resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 4,
                                'val' => 75
                              },
                              {
                                'cap' => 21,
                                'constraint' => [
                                                  'Color',
                                                  'Gray',
                                                  'Lineart'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan mode (e.g., lineart, monochrome, or color).',
                                'index' => 3,
                                'max_values' => 1,
                                'name' => 'mode',
                                'title' => 'Scan mode',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Color'
                              },
                              {
                                'cap' => 5,
                                'constraint' => [
                                                  'Flatbed'
                                                ],
                                'constraint_type' => 3,
                                'desc' => 'Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.',
                                'index' => 4,
                                'max_values' => 1,
                                'name' => 'source',
                                'title' => 'Scan source',
                                'type' => 3,
                                'unit' => 0,
                                'val' => 'Flatbed'
                              },
                              {
                                'cap' => 5,
                                'constraint_type' => 0,
                                'desc' => 'When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.',
                                'index' => 5,
                                'max_values' => 1,
                                'name' => 'button-controlled',
                                'title' => 'Button-controlled scan',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Gamma',
                                'index' => 6,
                                'max_values' => 0,
                                'title' => 'Gamma',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint_type' => 0,
                                'desc' => 'Determines whether a builtin or a custom gamma-table should be used.',
                                'index' => 7,
                                'max_values' => 1,
                                'name' => 'custom-gamma',
                                'title' => 'Use custom gamma table',
                                'type' => 0,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 65535,
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).',
                                'index' => 8,
                                'max_values' => 1024,
                                'name' => 'gamma-table',
                                'title' => 'Image intensity',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => 5,
                                                  'min' => '0.29998779296875',
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Changes intensity of midtones',
                                'index' => 9,
                                'max_values' => 1,
                                'name' => 'gamma',
                                'title' => 'Gamma function exponent',
                                'type' => 2,
                                'unit' => 0,
                                'val' => '2.19999694824219'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Geometry',
                                'index' => 10,
                                'max_values' => 0,
                                'title' => 'Geometry',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left x position of scan area.',
                                'index' => 11,
                                'max_values' => 1,
                                'name' => 'tl-x',
                                'title' => 'Top-left x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Top-left y position of scan area.',
                                'index' => 12,
                                'max_values' => 1,
                                'name' => 'tl-y',
                                'title' => 'Top-left y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => 0
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '216.069320678711',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right x position of scan area.',
                                'index' => 13,
                                'max_values' => 1,
                                'name' => 'br-x',
                                'title' => 'Bottom-right x',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '216.069320678711'
                              },
                              {
                                'cap' => 21,
                                'constraint' => {
                                                  'max' => '297.010665893555',
                                                  'min' => 0,
                                                  'quant' => 0
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Bottom-right y position of scan area.',
                                'index' => 14,
                                'max_values' => 1,
                                'name' => 'br-y',
                                'title' => 'Bottom-right y',
                                'type' => 2,
                                'unit' => 3,
                                'val' => '297.010665893555'
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Buttons',
                                'index' => 15,
                                'max_values' => 0,
                                'title' => 'Buttons',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 69,
                                'constraint_type' => 0,
                                'desc' => 'Update button state',
                                'index' => 16,
                                'max_values' => 0,
                                'name' => 'button-update',
                                'title' => 'Update button state',
                                'type' => 4,
                                'unit' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 1',
                                'index' => 17,
                                'max_values' => 1,
                                'name' => 'button-1',
                                'title' => 'Button 1',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Button 2',
                                'index' => 18,
                                'max_values' => 1,
                                'name' => 'button-2',
                                'title' => 'Button 2',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Type of original to scan',
                                'index' => 19,
                                'max_values' => 1,
                                'name' => 'original',
                                'title' => 'Type of original to scan',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Target operation type',
                                'index' => 20,
                                'max_values' => 1,
                                'name' => 'target',
                                'title' => 'Target operation type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Scan resolution',
                                'index' => 21,
                                'max_values' => 1,
                                'name' => 'scan-resolution',
                                'title' => 'Scan resolution',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'Document type',
                                'index' => 22,
                                'max_values' => 1,
                                'name' => 'document-type',
                                'title' => 'Document type',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF status',
                                'index' => 23,
                                'max_values' => 1,
                                'name' => 'adf-status',
                                'title' => 'ADF status',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 68,
                                'constraint_type' => 0,
                                'desc' => 'ADF orientation',
                                'index' => 24,
                                'max_values' => 1,
                                'name' => 'adf-orientation',
                                'title' => 'ADF orientation',
                                'type' => 1,
                                'unit' => 0,
                                'val' => 0
                              },
                              {
                                'cap' => 0,
                                'constraint_type' => 0,
                                'desc' => 'Extras',
                                'index' => 25,
                                'max_values' => 0,
                                'title' => 'Extras',
                                'type' => 5,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 100,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Select minimum-brightness to get a white point',
                                'index' => 26,
                                'max_values' => 1,
                                'name' => 'threshold',
                                'title' => 'Threshold',
                                'type' => 1,
                                'unit' => 5
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 127,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'Dynamic threshold curve, from light to dark, normally 50-65',
                                'index' => 27,
                                'max_values' => 1,
                                'name' => 'threshold-curve',
                                'title' => 'Threshold curve',
                                'type' => 1,
                                'unit' => 0
                              },
                              {
                                'cap' => 53,
                                'constraint' => {
                                                  'max' => 3600,
                                                  'min' => 0,
                                                  'quant' => 1
                                                },
                                'constraint_type' => 1,
                                'desc' => 'When set, the scanner waits upto the specified time in seconds for a new document inserted into the automatic document feeder.',
                                'index' => 28,
                                'max_values' => 1,
                                'name' => 'adf-wait',
                                'title' => 'ADF Waiting Time',
                                'type' => 1,
                                'unit' => 0
                              }
                            ],
                 'geometry' => {
                                 'l' => 0,
                                 't' => 0,
                                 'x' => '216.069320678711',
                                 'y' => '297.010665893555'
                               },
                 'hash' => {
                             'adf-orientation' => $VAR1->{'array'}[24],
                             'adf-status' => $VAR1->{'array'}[23],
                             'adf-wait' => $VAR1->{'array'}[28],
                             'br-x' => $VAR1->{'array'}[13],
                             'br-y' => $VAR1->{'array'}[14],
                             'button-1' => $VAR1->{'array'}[17],
                             'button-2' => $VAR1->{'array'}[18],
                             'button-controlled' => $VAR1->{'array'}[5],
                             'button-update' => $VAR1->{'array'}[16],
                             'custom-gamma' => $VAR1->{'array'}[7],
                             'document-type' => $VAR1->{'array'}[22],
                             'gamma' => $VAR1->{'array'}[9],
                             'gamma-table' => $VAR1->{'array'}[8],
                             'mode' => $VAR1->{'array'}[3],
                             'original' => $VAR1->{'array'}[19],
                             'resolution' => $VAR1->{'array'}[2],
                             'scan-resolution' => $VAR1->{'array'}[21],
                             'source' => $VAR1->{'array'}[4],
                             'target' => $VAR1->{'array'}[20],
                             'threshold' => $VAR1->{'array'}[26],
                             'threshold-curve' => $VAR1->{'array'}[27],
                             'tl-x' => $VAR1->{'array'}[11],
                             'tl-y' => $VAR1->{'array'}[12]
                           },
                 'source' => $VAR1->{'array'}[4]
               }, 'Gscan2pdf::Scanner::Options' );

DEBUG - Options support paper size 'A4'.
DEBUG - Options support paper size 'Lettre US'.
DEBUG - Options do not support paper size 'Légal US'.
DEBUG - Options do not support paper size 'A3'.
DEBUG - Started setting cursor from wait to default
DEBUG - Finished setting cursor from wait to default
INFO - sane_set_option 2 (resolution) to 300 returned status 0 (Success) with info 4 (SANE_INFO_RELOAD_PARAMS)
DEBUG - signal 'started-process' emitted with message: Setting option resolution
DEBUG - signal 'finished-process' emitted with data: set_option resolution to 300
DEBUG - Setting widget 'resolution' to '300'.
INFO - rotate facing 0
INFO - rotate reverse 0
INFO - unpaper 
INFO - UDT 
INFO - Current UDT gimp %i
INFO - OCR 
DEBUG - Started setting cursor from default to progress
DEBUG - Finished setting cursor from default to progress
INFO - gscan2pdf: scanning image of size 2552x3508 pixels at 24 bits/pixel
INFO - gscan2pdf: acquiring RGB frame
INFO - Scanning 1 pages from 1 with step 1
DEBUG - signal 'started-process' emitted with message: Numérisation de la page 1 sur 1
INFO - gscan2pdf: sane_read: End of file reached
INFO - gscan2pdf: min/max graylevel value = 255/0
INFO - gscan2pdf: read 26857248 bytes in total
INFO - Scanned page /tmp/gscan2pdf-Gs6H/2jKPMPlzjm.pnm. (scanner status = 5)
DEBUG - $VAR1 = [];

DEBUG - Free space in /tmp/gscan2pdf-Gs6H (Mb): 7954.35546875 (warning at 10)
INFO - Importing scan with resolution=300,300
DEBUG - signal 'finished-process' emitted with data: scan_pages
DEBUG - Started setting cursor from progress to default
DEBUG - Finished setting cursor from progress to default
INFO - Header suggests 26857285
INFO - Expecting 26857285, found 26857285
INFO - New page filename /tmp/gscan2pdf-Gs6H/2jKPMPlzjm.pnm, format Portable anymap
INFO - New page written as /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204)
DEBUG - Started setting page_number_start from 1 to 2
DEBUG - Started setting max_pages from 0 to -1
DEBUG - Finished setting max_pages from 0 to -1
DEBUG - Finished setting page_number_start from 1 to 2
INFO - Added /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with resolution 300,300
INFO - New page filename /tmp/gscan2pdf-Gs6H/RnY_3tQCtJ.png, format Portable Network Graphics
INFO - New page written as /tmp/gscan2pdf-Gs6H/eKTiQeWL7X.png (8F5F9806-E60D-11EB-8FF1-F24B42F48204)
INFO - Converted /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm to /tmp/gscan2pdf-Gs6H/eKTiQeWL7X.png
INFO - Replaced /tmp/gscan2pdf-Gs6H/l_87BBcWda.pnm (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204), resolution 300,300
DEBUG - $VAR1 = [
          [
            1,
            bless( {}, 'Gtk3::Gdk::Pixbuf' ),
            bless( {
                     'dir' => '/tmp/gscan2pdf-Gs6H',
                     'filename' => bless( \*{'File::Temp::$fh'}, 'File::Temp' ),
                     'format' => 'Portable Network Graphics',
                     'height' => 3508,
                     'uuid' => '8CAC8722-E60D-11EB-8FF1-F24B42F48204',
                     'width' => '2552',
                     'xresolution' => 300,
                     'yresolution' => 300
                   }, 'Gscan2pdf::Page' )
          ]
        ];

DEBUG - Free space in /tmp/gscan2pdf-Gs6H (Mb): 7924.87890625 (warning at 10)
INFO - Rotating /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png by 90 degrees
INFO - Replaced /tmp/gscan2pdf-Gs6H/QrZfW9Laa7.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204) at page 1 with /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png (8CAC8722-E60D-11EB-8FF1-F24B42F48204), resolution 300,300
DEBUG - save filename dialog returned ok
DEBUG - FileChooserDialog returned /home/aurelien/Desktop/2021-07-16.pdf
DEBUG - Started saving /home/aurelien/Desktop/2021-07-16.pdf
INFO - Using /usr/share/fonts/TTF/fonts-ttf-urw/P052-Roman.ttf for non-ASCII text
INFO - Depth of /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png is 8
INFO - Type of /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png is TrueColor
INFO - Selecting jpg compression
INFO - Converting /tmp/gscan2pdf-Gs6H/EmkfGzuVif.png to /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg with quality=75
INFO - Writing temporary image /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg
INFO - Embedding OCR output behind image
INFO - Defining page at 841.92 pt x 612.48 pt
INFO - Added /tmp/gscan2pdf-Gs6H/H2AFjWDLct.jpg at 300 PPI
INFO - Closing PDF
INFO - Opening file:///home/aurelien/Desktop/2021-07-16.pdf via default launcher
DEBUG - Finished saving /home/aurelien/Desktop/2021-07-16.pdf
INFO - Wrote config to /home/aurelien/.config/gscan2pdfrc
INFO - Killing Sane thread(s)

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Attachments on bug 29246: 12863 | 12864 | 12865 | 12866 | 12925