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Start work on OutputIntent and better color support in PDFio:

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- Add CGATS001-compatible "micro" ICC profile as a standard CMYK color space
  (this is the default used by several Adobe applications)
- Add `PDFIO_CS_CGATS001` color space enum.
- Extend `pdfioArrayCreateColorFromStandard` to support CMYK.
- Extend `pdfioFileCreateImageObjFromFile` to support CMYK JPEG files.
- Update `pdfioFileCreatePage` to add default grayscale, RGB, and CMYK color
  space resources as needed.
This commit is contained in:
Michael R Sweet
2025-04-13 13:31:19 -04:00
parent 3d9c22aa49
commit acd68df592
9 changed files with 577 additions and 13 deletions
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@ -5,6 +5,12 @@ Changes in PDFio
v1.6.0 - YYYY-MM-DD
-------------------
- Added "standard" `PDFIO_CS_CGATS001` color space for non-device CMYK
(Issue #104)
- Added CMYK JPEG support with embedded ICC profiles or using the CGATS001
profile (Issue #104)
- Now add default grayscale, RGB, and CMYK profile resources to pages as needed
(Issue #104)
- Added `pdfioFileCreateFontObjFromData` function for embedding fonts in
memory (Issue #120)