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63 lines
861 B
63 lines
861 B
4 years ago
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#
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# Sample: Convert from sRGB to XYZ perceptual intent
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#
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from lcms import *
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print "Enter sRGB values, 0..255"
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#
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# Create placeholder for colorant
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#
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color = COLORB()
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color[0] = input("R?")
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color[1] = input("G?")
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color[2] = input("B?")
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#
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# Create placeholder for Lab
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#
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XYZ = cmsCIEXYZ()
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#
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# Open profiles (does use built-ins)
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#
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hsRGB = cmsCreate_sRGBProfile()
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hXYZ = cmsCreateXYZProfile()
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#
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# The transform
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#
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xform = cmsCreateTransform(hsRGB, TYPE_RGB_8, hXYZ, TYPE_XYZ_DBL, INTENT_PERCEPTUAL, cmsFLAGS_NOTPRECALC)
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cmsDoTransform(xform, color, XYZ, 1)
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#
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# Print results
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#
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print "sRGB = ", color[0], color[1], color[2]
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print XYZ
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xyY = cmsCIExyY(0, 0, 0)
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cmsXYZ2xyY(xyY, XYZ)
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print xyY
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#
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# Free all stuff
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#
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cmsDeleteTransform(xform)
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cmsCloseProfile(hXYZ)
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cmsCloseProfile(hsRGB)
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