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Optionally clean 'dirty' transparency for RGBA images. #4

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5 tasks
ace-dent opened this issue Apr 17, 2024 · 0 comments
Open
5 tasks

Optionally clean 'dirty' transparency for RGBA images. #4

ace-dent opened this issue Apr 17, 2024 · 0 comments
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enhancement New feature or request
Milestone
v1.3

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@ace-dent
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Alter the RGB values for full transparent pixels (A=0), for improved compression. This is a lossy process and not

  • Add option for cleaning transparency. (Default is off).
  • Test using simply colours (black, etc.) to enable colour mode reductions (indexed, RGB+trns, G+trns).
  • Use tools for more advanced RGB values (optimal for RGBA with filtering).
  • Evaluate if this impacts packaging of the resulting png (e.g. worse compression in zip archives).
  • Update documentation.
@ace-dent ace-dent added the enhancement New feature or request label Apr 17, 2024
@ace-dent ace-dent added this to the v1.3 milestone Apr 17, 2024
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enhancement New feature or request
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