[PATCH v2 0/2] MR10412: windowscodecs/tests: Add conversion tests for Gray2, Gray4 and Gray16 pixel formats.

[Jan Robert Gerigk (＠RgSg86)]

windowscodecs/tests: Add conversion tests for 2bppGray, 4bppGray and 16bppGray pixel formats.

--
  v2: windowscodecs: Implement IWICFormatConverter for Gray2, Gray4 and Gray16.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10412