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pdf.js/web/images
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Calixte Denizet 2f828c7bf4 [Editor] (WIP) Add a new tool in order to add an handwritten signature to a pdf (bug 1942343) 
This patch is adding some code in order to extract a drawing as curves from an image.
The algorithm is basically the following:
 - reduce the dimensions
 - make it gray
 - apply a bilateral filter in order to add some blurryness while keeping the edges
 - compute the histogram
 - guess what's the background color which should contain a large majority of the pixels
 - make a binary image
 - extract the contours in using the Suzuki algorithm
 - apply the Douglas-Peucker algorithm in order to reduce the number of points

The algorithm is improvable but it should work pretty well if there's a clear difference between
the background and the drawing.
In a v2 we could use a ML model in order to improve the extraction.

There's few changes related to the UI in order to make the tool usable, but they're very basic
for the moment.
2025-01-29 21:52:14 +01:00
..
altText_add.svg [Editor] Add a button to trigger a dialog for adding an alt text (bug 1844952) 2023-09-18 15:07:09 +02:00
altText_disclaimer.svg Implement the new alt text flow (bug 1909604) 2024-07-29 14:31:47 +02:00
altText_done.svg [Editor] Add a button to trigger a dialog for adding an alt text (bug 1844952) 2023-09-18 15:07:09 +02:00
altText_spinner.svg [Editor] Update the loading icon when wait for ML to take into account prefered-reduced-motion setting 2024-08-30 15:48:51 +02:00
altText_warning.svg Implement the new alt text flow (bug 1909604) 2024-07-29 14:31:47 +02:00
annotation-check.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-comment.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-help.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-insert.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-key.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-newparagraph.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-noicon.svg Improved annotations' display/behavior. 2014-03-07 10:48:42 -04:00
annotation-note.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-paperclip.svg Add default icons for FileAttachment annotations (bug 1230933) 2022-11-26 11:24:59 +01:00
annotation-paragraph.svg Fixing annotation icon issues 2013-09-06 21:00:02 +02:00
annotation-pushpin.svg Add default icons for FileAttachment annotations (bug 1230933) 2022-11-26 11:24:59 +01:00
cursor-editorFreeHighlight.svg Change file permissions for newly added cursors 2024-02-01 09:56:59 +01:00
cursor-editorFreeText.svg Remove execution permission on cursor-editorFreeText.svg 2022-12-02 09:52:03 +01:00
cursor-editorInk.svg [Editor] Change the cursor icons 2022-10-29 12:05:09 +02:00
cursor-editorTextHighlight.svg Change file permissions for newly added cursors 2024-02-01 09:56:59 +01:00
editor-toolbar-delete.svg [Editor] Add a toolbar to selected editors with a button to delete it (bug 1863763) 2023-11-10 15:19:43 +01:00
findbarButton-next.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
findbarButton-previous.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
gv-toolbarButton-download.svg Chmod ugo-x gv-toolbarButton-download.svg 2023-04-27 20:27:27 +02:00
loading-icon.gif Show animated loading icon if page renders slow 2012-01-31 16:20:09 -05:00
loading.svg Photon Design 2020-08-19 14:21:13 +04:00
messageBar_closingButton.svg Implement the new alt text flow (bug 1909604) 2024-07-29 14:31:47 +02:00
messageBar_warning.svg Implement the new alt text flow (bug 1909604) 2024-07-29 14:31:47 +02:00
secondaryToolbarButton-documentProperties.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-firstPage.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-handTool.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-lastPage.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-rotateCcw.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-rotateCw.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-scrollHorizontal.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-scrollPage.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-scrollVertical.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-scrollWrapped.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-selectTool.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-spreadEven.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-spreadNone.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
secondaryToolbarButton-spreadOdd.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-bookmark.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-currentOutlineItem.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-download.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-editorFreeText.svg [Editor] Change the icon to add a FreeText annotation (bug 1876564) 2024-01-25 17:18:28 +01:00
toolbarButton-editorHighlight.svg [Editor] Add a new editor to highlight some text in a pdf (bug 1866119) 2023-11-28 14:21:53 +01:00
toolbarButton-editorInk.svg Update editing icons (bug 1785248) 2022-09-02 12:42:25 +02:00
toolbarButton-editorSignature.svg [Editor] (WIP) Add a new tool in order to add an handwritten signature to a pdf (bug 1942343) 2025-01-29 21:52:14 +01:00
toolbarButton-editorStamp.svg Tweak the fill-value of the Stamp-icon to work better in non-Firefox browsers 2024-04-10 11:14:41 +02:00
toolbarButton-menuArrow.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-openFile.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-pageDown.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-pageUp.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-presentationMode.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-print.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-search.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-secondaryToolbarToggle.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-sidebarToggle.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-viewAttachments.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-viewLayers.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-viewOutline.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-viewThumbnail.svg Update icons (last and final update) 2022-10-21 12:31:34 +02:00
toolbarButton-zoomIn.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
toolbarButton-zoomOut.svg Update some icons in the toolbar (bug 1739965) 2022-09-07 10:45:03 +02:00
treeitem-collapsed.svg Photon Design 2020-08-19 14:21:13 +04:00
treeitem-expanded.svg Photon Design 2020-08-19 14:21:13 +04:00