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JPX Image with transparency shows inversed colors #16782

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pubpub-zz opened this issue Aug 2, 2023 · 4 comments · Fixed by #18204
Closed

JPX Image with transparency shows inversed colors #16782

pubpub-zz opened this issue Aug 2, 2023 · 4 comments · Fixed by #18204
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@pubpub-zz
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pubpub-zz commented Aug 2, 2023 •
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with the following PDF:
tt1.pdf

we are expecting this image:(available in AcrobatReader, Chrome, Sumatra,...)
image

but in pdf.js (windows 11 / firefox 115.02 + PDF.js: 3.7.96 [23958ffc5] the colors are inverted:
2023-08-02 23-00-07
@pubpub-zz pubpub-zz mentioned this issue Aug 2, 2023
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@radarhere radarhere mentioned this issue Aug 3, 2023
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@pubpub-zz
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@NextThread any update of your analysis?

@pubpub-zz
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Is anyone interested in having a look in my issue ?

@Snuffleupagus Snuffleupagus mentioned this issue Dec 12, 2023
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@pubpub-zz
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@Snuffleupagus
I don't think the issue is a duplicate of #17416 where the channels seems to be puzzled whereas in here the image is color reversed.
For me still active

@radarhere radarhere mentioned this issue May 22, 2024
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@Snuffleupagus Snuffleupagus mentioned this issue May 31, 2024
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@radarhere radarhere mentioned this issue Jun 2, 2024
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@Snuffleupagus Snuffleupagus linked a pull request Jun 3, 2024 that will close this issue
Fix decoding of JPX images having an alpha channel #18204
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Fix decoding of JPX images having an alpha channel calixteman/pdf.js
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@Snuffleupagus @pubpub-zz @NextThread