Comment 2 for bug 272584

Attached are the following files:

eog_screenshot.jpg - left image is correctly displayed (this is how it is displayed also in GIMP with colour management active), right image has wrong colours (too saturated red).

image_sRGB.jpg - test image with embedded ICC profile (sRGB).

image_no_icc_im.jpg - test image without embedded ICC profile. The profile was stripped by "convert image_sRGB.jpg +profile icc image_no_icc_im.jpg"

It appears to me that "image_no_icc_im.jpg" was not converted to the monitor profile and displayed "as-is" - i.e. on wide gamut monitor it appears over-saturated.

Few notes:

My monitor is Samsung XL20 capable of displaying gamut close to AdobeRGB. The monitor profile was created by ArgyllCMS; xcalib set the profile to update LUT (or rather X gamma curves) and the xicc atom, which is supposedly used by EoG, GIMP and few other applications.

The eog_screenshot.jpg was assigned the monitor profile (i.e. wide gamut) and converted to sRGB with perceptual rendering intent so that it displays correctly on standard monitors even in applications not supporting colour management.

NB that on a standard monitor, which has gamut close to sRGB, you probably won't see a significant difference between the two test images, since their gamut is sRGB, too.