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Remove old, unused test
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hugovk
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# PyCMSTests.py
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# Examples of how to use pyCMS, as well as tests to verify it works properly
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# By Kevin Cazabon (kevin@cazabon.com)
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# Imports
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import os
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from PIL import Image
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from PIL import ImageCms
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# import PyCMSError separately so we can catch it
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PyCMSError = ImageCms.PyCMSError
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#######################################################################
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# Configuration:
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#######################################################################
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# set this to the image you want to test with
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IMAGE = "c:\\temp\\test.tif"
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# set this to where you want to save the output images
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OUTPUTDIR = "c:\\temp\\"
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# set these to two different ICC profiles, one for input, one for output
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# set the corresponding mode to the proper PIL mode for that profile
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INPUT_PROFILE = "c:\\temp\\profiles\\sRGB.icm"
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INMODE = "RGB"
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OUTPUT_PROFILE = "c:\\temp\\profiles\\genericRGB.icm"
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OUTMODE = "RGB"
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PROOF_PROFILE = "c:\\temp\\profiles\\monitor.icm"
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# set to True to show() images, False to save them into OUTPUT_DIRECTORY
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SHOW = False
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# Tests you can enable/disable
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TEST_error_catching = True
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TEST_profileToProfile = True
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TEST_profileToProfile_inPlace = True
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TEST_buildTransform = True
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TEST_buildTransformFromOpenProfiles = True
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TEST_buildProofTransform = True
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TEST_getProfileInfo = True
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TEST_misc = False
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#######################################################################
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# helper functions
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#######################################################################
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def outputImage(im, funcName = None):
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# save or display the image, depending on value of SHOW_IMAGES
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if SHOW:
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im.show()
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else:
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im.save(os.path.join(OUTPUTDIR, "%s.tif" %funcName))
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#######################################################################
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# The tests themselves
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#######################################################################
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if TEST_error_catching:
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im = Image.open(IMAGE)
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try:
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#neither of these proifles exists (unless you make them), so we should
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# get an error
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imOut = ImageCms.profileToProfile(im, "missingProfile.icm", "cmyk.icm")
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except PyCMSError as reason:
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print("We caught a PyCMSError: %s\n\n" %reason)
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print("error catching test completed successfully (if you see the message \
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above that we caught the error).")
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if TEST_profileToProfile:
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# open the image file using the standard PIL function Image.open()
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im = Image.open(IMAGE)
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# send the image, input/output profiles, and rendering intent to
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# ImageCms.profileToProfile()
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imOut = ImageCms.profileToProfile(im, INPUT_PROFILE, OUTPUT_PROFILE, \
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outputMode = OUTMODE)
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# now that the image is converted, save or display it
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outputImage(imOut, "profileToProfile")
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print("profileToProfile test completed successfully.")
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if TEST_profileToProfile_inPlace:
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# we'll do the same test as profileToProfile, but modify im in place
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# instead of getting a new image returned to us
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im = Image.open(IMAGE)
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# send the image to ImageCms.profileToProfile(), specifying inPlace = True
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result = ImageCms.profileToProfile(im, INPUT_PROFILE, OUTPUT_PROFILE, \
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outputMode = OUTMODE, inPlace = True)
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# now that the image is converted, save or display it
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if result is None:
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# this is the normal result when modifying in-place
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outputImage(im, "profileToProfile_inPlace")
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else:
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# something failed...
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print("profileToProfile in-place failed: %s" %result)
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print("profileToProfile in-place test completed successfully.")
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if TEST_buildTransform:
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# make a transform using the input and output profile path strings
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transform = ImageCms.buildTransform(INPUT_PROFILE, OUTPUT_PROFILE, INMODE, \
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OUTMODE)
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# now, use the trnsform to convert a couple images
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im = Image.open(IMAGE)
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# transform im normally
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im2 = ImageCms.applyTransform(im, transform)
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outputImage(im2, "buildTransform")
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# then transform it again using the same transform, this time in-place.
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result = ImageCms.applyTransform(im, transform, inPlace = True)
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outputImage(im, "buildTransform_inPlace")
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print("buildTransform test completed successfully.")
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# and, to clean up a bit, delete the transform
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# this should call the C destructor for the transform structure.
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# Python should also do this automatically when it goes out of scope.
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del(transform)
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if TEST_buildTransformFromOpenProfiles:
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# we'll actually test a couple profile open/creation functions here too
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# first, get a handle to an input profile, in this case we'll create
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# an sRGB profile on the fly:
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inputProfile = ImageCms.createProfile("sRGB")
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# then, get a handle to the output profile
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outputProfile = ImageCms.getOpenProfile(OUTPUT_PROFILE)
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# make a transform from these
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transform = ImageCms.buildTransformFromOpenProfiles(inputProfile, \
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outputProfile, INMODE, OUTMODE)
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# now, use the trnsform to convert a couple images
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im = Image.open(IMAGE)
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# transform im normally
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im2 = ImageCms.applyTransform(im, transform)
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outputImage(im2, "buildTransformFromOpenProfiles")
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# then do it again using the same transform, this time in-place.
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result = ImageCms.applyTransform(im, transform, inPlace = True)
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outputImage(im, "buildTransformFromOpenProfiles_inPlace")
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print("buildTransformFromOpenProfiles test completed successfully.")
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# and, to clean up a bit, delete the transform
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# this should call the C destructor for the each item.
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# Python should also do this automatically when it goes out of scope.
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del(inputProfile)
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del(outputProfile)
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del(transform)
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if TEST_buildProofTransform:
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# make a transform using the input and output and proof profile path
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# strings
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# images converted with this transform will simulate the appearance
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# of the output device while actually being displayed/proofed on the
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# proof device. This usually means a monitor, but can also mean
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# other proof-printers like dye-sub, etc.
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transform = ImageCms.buildProofTransform(INPUT_PROFILE, OUTPUT_PROFILE, \
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PROOF_PROFILE, INMODE, OUTMODE)
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# now, use the trnsform to convert a couple images
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im = Image.open(IMAGE)
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# transform im normally
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im2 = ImageCms.applyTransform(im, transform)
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outputImage(im2, "buildProofTransform")
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# then transform it again using the same transform, this time in-place.
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result = ImageCms.applyTransform(im, transform, inPlace = True)
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outputImage(im, "buildProofTransform_inPlace")
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print("buildProofTransform test completed successfully.")
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# and, to clean up a bit, delete the transform
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# this should call the C destructor for the transform structure.
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# Python should also do this automatically when it goes out of scope.
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del(transform)
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if TEST_getProfileInfo:
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# get a profile handle
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profile = ImageCms.getOpenProfile(INPUT_PROFILE)
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# lets print some info about our input profile:
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print("Profile name (retrieved from profile string path name): %s" %ImageCms.getProfileName(INPUT_PROFILE))
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# or, you could do the same thing using a profile handle as the arg
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print("Profile name (retrieved from profile handle): %s" %ImageCms.getProfileName(profile))
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# now lets get the embedded "info" tag contents
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# once again, you can use a path to a profile, or a profile handle
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print("Profile info (retrieved from profile handle): %s" %ImageCms.getProfileInfo(profile))
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# and what's the default intent of this profile?
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print("The default intent is (this will be an integer): %d" %(ImageCms.getDefaultIntent(profile)))
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# Hmmmm... but does this profile support INTENT_ABSOLUTE_COLORIMETRIC?
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print("Does it support INTENT_ABSOLUTE_COLORIMETRIC?: (1 is yes, -1 is no): %s" \
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%ImageCms.isIntentSupported(profile, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, \
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ImageCms.DIRECTION_INPUT))
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print("getProfileInfo test completed successfully.")
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if TEST_misc:
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# test the versions, about, and copyright functions
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print("Versions: %s" %str(ImageCms.versions()))
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print("About:\n\n%s" %ImageCms.about())
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print("Copyright:\n\n%s" %ImageCms.copyright())
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print("misc test completed successfully.")
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