Re: [Gimp-developer] Gegl gaussian blur gamma error

El 07/08/12 08:04, Øyvind Kolås escribió:

I'll try to explain the desired situation in the end differently:

Files coming into GIMP and going out of GIMP might have assigned ICC
profiles, this is for import and export. There is no such things as a
working space in GEGL buffers flowing between operations in the graph
have defined color spaces and each node/operation have their own logic
for preferred working space and the raster data is converted before
processing. ICC conversion should only happen on import, to a well
defined babl supported color space, and on export to whatever
preferred color space the user has. The babl color spaces used by GEGL
have unbounded gamuts, and the conversions in use are precise
conversions rather than conversions implemented using interpolated 3d
lookup tables. The consequence of this is that all blending,
resampling (scale/rotate), blurring etc. should happen with linear

There should be ways to change the colors in a buffer to correct for a
wrong profile. As well as deciding that you want to export images from
the composition with a different profile from the input.

/Øyvind K.
Sorry if this is an stupid question :-p
What about display filters/soft proofing/whatever you call display correction?
When/where it happens?
There is an interesting section about that here: (page 29 of the document) I'm not sure if this is too focused on motion-picture work, but the whole document looks very interesting anyway.

Is any of this appliable to GIMP?


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