def __init__(self, rgb_profile_name, cmyk_profile_name):
self._rgb_profile_name = rgb_profile_name
self._cmyk_profile_name = cmyk_profile_name
print self._rgb_profile_name, self._cmyk_profile_name
self.RGB_profile = lcms.cmsOpenProfileFromFile(self._rgb_profile_name, "r")
self.CMYK_profile = lcms.cmsOpenProfileFromFile(self._cmyk_profile_name, "r")
self.RGB2CMYK_transform = lcms.cmsCreateTransform(self.RGB_profile,
lcms.TYPE_RGB_8,
self.CMYK_profile,
lcms.TYPE_CMYK_8,
lcms.INTENT_PERCEPTUAL,
lcms.cmsFLAGS_NOTPRECALC)
def refresh_profiles(self): if app.config.preferences.user_rgb_profile and os.path.isfile(app.config.preferences.user_rgb_profile): rgb_file=app.config.user_rgb_profile else: rgb_file=os.path.join(app.config.sk_icc, app.config.preferences.default_rgb_profile) if app.config.preferences.user_cmyk_profile and os.path.isfile(app.config.preferences.user_cmyk_profile): cmyk_file=app.config.preferences.user_cmyk_profile else: cmyk_file=os.path.join(app.config.sk_icc, app.config.preferences.default_cmyk_profile) if app.config.preferences.user_monitor_profile and os.path.isfile(app.config.preferences.user_monitor_profile): monitor_file=app.config.preferences.user_monitor_profile else: monitor_file=os.path.join(app.config.sk_icc, app.config.preferences.default_monitor_profile) self.hRGB = cmsOpenProfileFromFile(rgb_file, "r") self.hCMYK = cmsOpenProfileFromFile(cmyk_file, "r") self.hMONITOR = cmsOpenProfileFromFile(cmyk_file, "r") self.cmyk_rgb = cmsCreateTransform(self.hCMYK, TYPE_CMYK_8, self.hRGB, TYPE_RGB_8, INTENT_RELATIVE_COLORIMETRIC, #INTENT_PERCEPTUAL, cmsFLAGS_NOTPRECALC) self.rgb_cmyk = cmsCreateTransform(self.hRGB, TYPE_RGB_8, self.hCMYK, TYPE_CMYK_8, INTENT_PERCEPTUAL, cmsFLAGS_NOTPRECALC) self.rgb_monitor = cmsCreateTransform(self.hRGB, TYPE_RGB_8, self.hRGB, TYPE_RGB_8, INTENT_PERCEPTUAL, 0) self.cmyk_monitor = cmsCreateTransform(self.hCMYK, TYPE_CMYK_8, self.hRGB, TYPE_RGB_8, INTENT_PERCEPTUAL, cmsFLAGS_NOTPRECALC)
lcms.cmsWhitePointFromTemp(6504, D65)
lab_profile = lcms.cmsCreateLabProfile(D65)
rgb_profile = lcms.cmsCreate_sRGBProfile()
lcms.cmsSetAlarmCodes(127, 127, 127)
xyz2rgb = lcms.cmsCreateTransform(xyz_profile, lcms.TYPE_XYZ_DBL,
rgb_profile, lcms.TYPE_RGB_8,
lcms.INTENT_PERCEPTUAL, 0)
rgb2xyz = lcms.cmsCreateTransform(rgb_profile, lcms.TYPE_RGB_8,
xyz_profile, lcms.TYPE_XYZ_DBL,
lcms.INTENT_PERCEPTUAL, 0)
if exists("proofing.icc"):
proofing_profile = lcms.cmsOpenProfileFromFile("proofing.icc", "r")
lab2rgb = lcms.cmsCreateProofingTransform(
lab_profile, lcms.TYPE_Lab_DBL, rgb_profile, lcms.TYPE_RGB_8,
proofing_profile, lcms.INTENT_PERCEPTUAL, lcms.INTENT_PERCEPTUAL,
lcms.cmsFLAGS_GAMUTCHECK | lcms.cmsFLAGS_SOFTPROOFING)
else:
lab2rgb = lcms.cmsCreateTransform(lab_profile, lcms.TYPE_Lab_DBL,
rgb_profile, lcms.TYPE_RGB_8,
lcms.INTENT_PERCEPTUAL, 0)
rgb2lab = lcms.cmsCreateTransform(rgb_profile, lcms.TYPE_RGB_8,
lab_profile, lcms.TYPE_Lab_DBL,
lcms.INTENT_PERCEPTUAL, 0)
def lab_to_rgb(l, a, b):
lab = lcms.cmsCIELab(l, a, b)