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Improvements to Apple CgBI PNG handling - #3137

Merged

JimBobSquarePants merged 15 commits into

SixLabors:mainfrom

Erik-White:png-cgbi-improvements

Jul 23, 2026

Commits on May 27, 2026
- Guard CgBI bit depth and color type
  Erik-White
  committed
  29ae5f8
- Separate Zlib header validation fom stream reading
  Erik-White
  committed
  fdc15d2
- Break out cgbi helper methods
  Erik-White
  committed
  a68921c
- Remove unnecessary instruction set check
  Erik-White
  committed
  9dfc0ca
- Use constant or static values where possible
  Erik-White
  committed
  e6f09d6
- Fix read stream byte read semantics
  Erik-White
  committed
  49dc195
- Remove redundant floor. Float to int conversion will already truncate toward zero
  Erik-White
  committed
  3b37d55
- Use single buffer for shuffle bytes
  Erik-White
  committed
  47678c7
Commits on Jun 11, 2026
- Merge branch 'main' into png-cgbi-improvements
  JimBobSquarePants
  authored
  4869c34
- Clean up/clarify test helper method
  Erik-White
  committed
  fb20719
Commits on Jun 12, 2026
- Use FeatureTestRunner for all instruction sets
  Erik-White
  committed
  5472d69
- Merge branch 'png-cgbi-improvements' of https://github.com/Erik-White/ImageSharp into png-cgbi-improvements
  Erik-White
  committed
  e136830
Commits on Jul 9, 2026
- Merge branch 'main' into png-cgbi-improvements
  JimBobSquarePants
  authored
  cef0402
Commits on Jul 23, 2026
- Merge branch 'main' into png-cgbi-improvements
  JimBobSquarePants
  authored
  0bccbfe
- Validate CgBI chunk order in PNG decoder
  JimBobSquarePants
  committed
  dfdc073