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#
# Sample: Convert from sRGB to Lab (D50), perceptual intent
#
from lcms import *
print "Enter sRGB values, 0..255"
#
# Create placeholder for colorant
#
color = COLORB()
color[0] = input("R?")
color[1] = input("G?")
color[2] = input("B?")
#
# Create placeholder for Lab
#
Lab = cmsCIELab()
#
# Open profiles (does use built-ins)
#
hsRGB = cmsCreate_sRGBProfile()
hLab = cmsCreateLabProfile(None)
#
# The transform
#
xform = cmsCreateTransform(hsRGB, TYPE_RGB_8, hLab, TYPE_Lab_DBL, INTENT_PERCEPTUAL, cmsFLAGS_NOTPRECALC)
cmsDoTransform(xform, color, Lab, 1)
#
# Print results
#
print "sRGB = ", color[0], color[1], color[2]
print Lab
#
# Free all stuff
#
cmsDeleteTransform(xform)
cmsCloseProfile(hLab)
cmsCloseProfile(hsRGB)
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