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jmvergesandClaude Opus 5.5
0aeb8e8792
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>