HEIF color management issue
GIMP version: 2.10.18
Operating System: Windows 10 Pro 19041.153
Package: Installer from gimp.org
Description of the bug
GIMP has a strange color management strategy while saving HEIF file: it will treat the original image as a sRGB image, then convert it into its original colorspace.
Is the bug reproducible? Always
- Open a PNG file in ProPhoto RGB / P3..., and choose to keep the colorspace;
- Export it as HEIC with "save color profile" clicked.
Expected result: the exported image is identical to the original one.
Actual result: as described in bug description.
If you have a backtrace for a crash or a warning, paste it here.