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Diffstat (limited to 'third_party/skcms/src/Transform.c')
| -rw-r--r-- | third_party/skcms/src/Transform.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/third_party/skcms/src/Transform.c b/third_party/skcms/src/Transform.c index 9d359d2623..f253c72721 100644 --- a/third_party/skcms/src/Transform.c +++ b/third_party/skcms/src/Transform.c @@ -442,6 +442,8 @@ bool skcms_Transform(const void* src, // Photoshop creates CMYK images as inverse CMYK. // These happen to be the only ones we've _ever_ seen. *ops++ = Op_invert; + // With CMYK, ignore the alpha type, to avoid changing K or conflating CMY with K. + srcAlpha = skcms_AlphaFormat_Unpremul; } if (srcAlpha == skcms_AlphaFormat_Opaque) { |