Re: [PATCH v2 0/2] MR10835: gdiplus: Add support for CMYK to ARGB pixel format conversion.

[Bartosz Kosiorek (＠gang65)]

On Fri May 15 06:16:54 2026 +0000, Yongjie Yao wrote:
> Ok, I will fix it. Maybe converting CMYK to ARGB is not support in
> gdiplus, it should only be in WIC.  There is no PixelFormat32bppCMYK in Gdipluspixelformats.h.
> https://learn.microsoft.com/en-us/windows/win32/gdiplus/-gdiplus-constant-im...
> Yes, exactly. It seems GdipBitmapLockBits is rejecting CMYK format conversion. I think CMYK to RGB conversion, should be made during image decoding (WIC decode path).

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10835#note_140064