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WebP transparency support #1923

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JokaJukka opened this issue Aug 17, 2023 · 1 comment
Open

WebP transparency support #1923

JokaJukka opened this issue Aug 17, 2023 · 1 comment
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feature/enhancement help wanted Images support

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@JokaJukka
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Please describe the new functionality as best as you can.

Hey there!
As webp is becoming a new standard for images on the web, I would like to ask you if you are comsidering supporting transparency for webp images?
Nowadays when I include a webp image in the pdf, it will render it with black background, and the non-transparent parts look quite choppy.

Thanks for any information!
@finwe
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finwe commented Aug 18, 2023

PDF itself has no internal support for wepb images, AFAIK. At least not in versions officially supported by mPDF.

Currently, WEBPs are internally converted to JPG, which has no transparency capabilities, but are smaller than 24bit PNGs would.

It will always be more precise to convert WEBPs to appropriate format on user side based on desired outcome.

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feature/enhancement help wanted Images support
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@finwe @JokaJukka