jmvergesandClaude Opus 5.5 0aeb8e8792 .ai import: images in a spot ink's Separation space keep their ink (#6350) ...

An image whose color space XC sets to one ink (n [c m y k /DeviceCMYK
(name) /Separation] XC) opened as a gray RGB image: its samples, the ink's
tints (255 at 100 %), were read as gray levels, so the tints drew inverted
and the ink was lost.

It now opens as a grayscale image of the tints, black at 100 %, colorized
by the ink at 100 %: its spot swatch, a process plate's CMYK color, or
Registration. Its alpha channel becomes its opacity mask, a reduced large
image's too (a colorized image reduced to fit the limits no longer keeps
its alpha in its pixels). 8-bit and 1-bit samples, binary or in hex
comment lines. A device space and the ink None change nothing.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-11-10 02:07:53 +00:00

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.ai import: images in a spot ink's Separation space keep their ink (#6350)

2026-11-10 02:07:53 +00:00

tests

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Cargo.toml

Merge main into fix/ai-os23-2831

2026-11-08 18:52:59 -08:00