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Add support for PNG files with alpha channel #90

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michaelrsweet opened this issue Jan 18, 2025 · 1 comment
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Add support for PNG files with alpha channel #90

michaelrsweet opened this issue Jan 18, 2025 · 1 comment
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@michaelrsweet
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enhancement New feature or request priority-medium
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1.5

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@michaelrsweet
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Currently only PNG images without alpha are supported by pdfioFileCreateImageObjFromFile. Add support for images with transparency.
@michaelrsweet michaelrsweet self-assigned this Jan 18, 2025
@michaelrsweet michaelrsweet added enhancement New feature or request priority-medium labels Jan 18, 2025
@michaelrsweet michaelrsweet added this to the 1.5 milestone Jan 18, 2025
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Refactor pdfioFileCreateImageObjFromData to do the image writing in a…
6f4bfe1 
… separate

function (Issue #90)
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Add PngSuite from http://www.schaik.com/pngsuite/ for testing PNG image
4f1b373 
support (Issue #90)
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Do cleanup of PNG loading code, in preparation of adding full support…
1e5cc6f 
… (Issue #90)
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Save work on libpng PNG loader (Issue #90)
e686669
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Fix image dictionary for new libpng-based PNG image support (Issue #90)
7f5fc45
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Add masking, color space, and variable bit depth support (Issue #90)
990342f
michaelrsweet added a commit that referenced this issue Feb 12, 2025
@michaelrsweet
Add PngSuite to testpdfio (Issue #90)
1b35321
@michaelrsweet
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OK, now we seem to have complete support for all variations of PNG file.

@devnibo devnibo mentioned this issue Feb 12, 2025
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enhancement New feature or request priority-medium
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@michaelrsweet