I've been thinking about how different color-space aware workflows could work in our future GEGL powered GIMP. In particular about the on-going theme of how to deal with "slight HDR" images, that have a gamut including colors that are slightly outside the 0.0-1.0 range for linear sRGB. The primary goal will still be adapting channel displays; histograms etc. to encompass/translate to show the <0.0 and >1.0 values; in relation to a defined target/output profile. A hybrid linear-centric approach might also work well. If we on import linearise the data (using the RGB primaries of the source color space), and then scale values down based on the magnitude of the most intense primary, and pretend that the resulting data is "RGBA float"; there will neither be cross component contamination nor "out-of-ui-range" values. I have not done actual experiments - to see the impact doing this would have on the visual result, it gives up some aspect of color management - but deal correctly with the tone-response curves. I suspect the dominant side effect will be a slight loss in luminance. /pippin _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@xxxxxxxxx List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list List archives: https://mail.gnome.org/archives/gimp-developer-list
