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designcraft/docs
aiongg b20ddf87ec Images: CMYK and profiled photos show in their colours
Placed rasters are converted to display sRGB once, at decode time, in one
module (designcraft-images colour):
- embedded ICC profiles in JPEG, PNG, TIFF, WebP and PSD (RGB and grey) are
  applied; sRGB-like profiles leave the pixels exactly as decoded
- CMYK JPEGs (incl. YCCK, Adobe-inverted values), CMYK TIFFs and CMYK PSD
  composites go through their embedded CMYK profile, else the working CMYK
  space, with the colour settings' intent and black-point compensation
- oversized (> 16 MiB), unreadable or mismatched profiles are ignored with a
  log line

The render image cache is rebuilt when the colour settings change. PDF/A
exports of CMYK TIFFs get the same managed RGB as the screen.
2026-10-12 21:30:41 +00:00
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