ark-builders / ark-penandpdf Goto Github PK
View Code? Open in Web Editor NEWPDF reader app with capability to draw on pages, add notes on borders etc.
License: MIT License
PDF reader app with capability to draw on pages, add notes on borders etc.
License: MIT License
This older implementation should be reworked with better drawing capabilities and ARK support:
https://github.com/ARK-Builders/ARK-PenAndPDF-Legacy
A drawing library could be extracted from ARK Retouch and used for drawing on pages.
For the start, this should be implemented:
[edit]
button. When it's tapped, user gains capability to edit current page. All applicable operations from ARK Retouch should be supported by extracting common code into a library. Cropping or rotation are not needed for this app. Drawing with any color, thickness and transparency level should be accessible with aid of new buttons. All control buttons should be hided by tap though. Scrolling pages should be disabled in drawing mode. Tapping [edit]
button again must switch mode back to viewing. If there are any unsaved changes, another floating button [save]
must appear. For now, saving the document could be just overwriting the original file. Saving into separate document will be implemented later together with versions tracking.External pointing/drawing devices should be supported. When such connected, we could allow mixed viewing/drawing mode. User actions with finger should operate in viewing mode: scrolling, zooming. User actions with pen should result in drawing. No need to press [draw]
button in order to start drawing.
Saving as separate document in an ARK-enabled folder (i.e. a folder with .ark
subfolder) should utilize versions storage and link id of the original document with id of the document being saved. Some inspiration for future features can be taken from this feature.
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