Hi,
A clean way to dump any kind of VCGT as 3 256-entry tables from 0 to 1
Vcgt = cmsReadTag(hProfile, cmsSigVcgtTag);
if (Vcgt != NULL)
for (i=0; i < 256; i++)
{
cmsFloat32Number r = cmsEvalToneCurveFloat(Vcgt[0], i / 255-0);
cmsFloat32Number g = cmsEvalToneCurveFloat(Vcgt[1], i / 255.0);
cmsFloat32Number b = cmsEvalToneCurveFloat(Vcgt[2], i / 255.0);
printf("%f %f %f\n", r,g,b);
}
Regards
Marti
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