Ok, I got a response (offlist), the gist of which is that if the
source image has a profile, then a single -profile "target.icc" will
convert from the source image's profile to the specified target
profile. This is what I was hoping.
However, in (quick) further testing, it seems that this is the case
for TIFF and JPEG, but not for PSD files. Can anyone confirm that
Imagemagick is unable to read ICC profiles from PSDs?
A simple demonstration is to take an image and save it to both PSD
and TIFF (with the same ICC profile in both). These images should be
a perfect colorimetric match in an ICC aware image editor. Then run
them through the same convert command, such as:
convert source.psd -profile "target.icc" output-psd.jpg
convert source.tif -profile "target.icc" output-tif.jpg
If PSD and TIF were both supported (with respect to ICC conversions)
then both of the output JPEGs should be a perfect, or at least nearly
perfect, match. Alas, they are clearly not, at least on my end.
Is this a known limitation with the PSD support in Imagemagick?
Best,
Rh
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