https://bugs.kde.org/show_bug.cgi?id=406781
Bug ID: 406781
Summary: Creating a new canvas from clipboard breaks
transparency, creates compression artefacts
Product: krita
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: krzysio.ku...@wp.pl
Target Milestone: ---
SUMMARY
After copying a transparent PNG from Firefox and trying to paste it from
clipboard into Krita, the image is distorted, transparency is gone and
compression artefacts are created.
Tested on an example PNG from Wikipedia:
https://upload.wikimedia.org/wikipedia/commons/4/47/PNG_transparency_demonstration_1.png
STEPS TO REPRODUCE
1. Copy the image
2. Paste into a new layer or create a new image from clipboard
OBSERVED RESULT
Transparency is gone, background is black and compression artefacts are
introduced
Screenshot of issue: https://i.imgur.com/UIKJekl.png
EXPECTED RESULT
Transparency is retained, and lossless quality is preserved.
Screenshot from GIMP: https://i.imgur.com/clsIeZ8.png
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:Linux 5.0.8-1-default, OpenSUSE Tumbleweed 20190420
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.57.0
Qt Version: 5.12.2
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