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92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
from tester import *
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from PIL import Image
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try:
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from PIL import ImageCms
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except ImportError:
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skip()
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SRGB = "Tests/icc/sRGB.icm"
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def test_sanity():
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# basic smoke test.
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# this mostly follows the cms_test outline.
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v = ImageCms.versions() # should return four strings
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assert_equal(v[0], '1.0.0 pil')
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assert_equal(list(map(type, v)), [str, str, str, str])
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# internal version number
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assert_match(ImageCms.core.littlecms_version, "\d+\.\d+$")
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i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
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assert_image(i, "RGB", (128, 128))
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t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
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i = ImageCms.applyTransform(lena(), t)
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assert_image(i, "RGB", (128, 128))
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p = ImageCms.createProfile("sRGB")
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o = ImageCms.getOpenProfile(SRGB)
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t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
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i = ImageCms.applyTransform(lena(), t)
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assert_image(i, "RGB", (128, 128))
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t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
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assert_equal(t.inputMode, "RGB")
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assert_equal(t.outputMode, "RGB")
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i = ImageCms.applyTransform(lena(), t)
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assert_image(i, "RGB", (128, 128))
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# test PointTransform convenience API
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im = lena().point(t)
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def test_name():
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# get profile information for file
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assert_equal(ImageCms.getProfileName(SRGB).strip(),
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'IEC 61966-2.1 Default RGB colour space - sRGB')
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def x_test_info():
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assert_equal(ImageCms.getProfileInfo(SRGB).splitlines(),
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['sRGB IEC61966-2.1', '',
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'Copyright (c) 1998 Hewlett-Packard Company', '',
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'WhitePoint : D65 (daylight)', '',
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'Tests/icc/sRGB.icm'])
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def test_intent():
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assert_equal(ImageCms.getDefaultIntent(SRGB), 0)
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assert_equal(ImageCms.isIntentSupported(
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SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
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ImageCms.DIRECTION_INPUT), 1)
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def test_profile_object():
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# same, using profile object
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p = ImageCms.createProfile("sRGB")
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# assert_equal(ImageCms.getProfileName(p).strip(),
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# 'sRGB built-in - (lcms internal)')
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# assert_equal(ImageCms.getProfileInfo(p).splitlines(),
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# ['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', ''])
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assert_equal(ImageCms.getDefaultIntent(p), 0)
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assert_equal(ImageCms.isIntentSupported(
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p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
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ImageCms.DIRECTION_INPUT), 1)
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def test_extensions():
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# extensions
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i = Image.open("Tests/images/rgb.jpg")
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p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"]))
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assert_equal(ImageCms.getProfileName(p).strip(),
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'IEC 61966-2.1 Default RGB colour space - sRGB')
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def test_exceptions():
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# the procedural pyCMS API uses PyCMSError for all sorts of errors
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assert_exception(ImageCms.PyCMSError, lambda: ImageCms.profileToProfile(lena(), "foo", "bar"))
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assert_exception(ImageCms.PyCMSError, lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB"))
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assert_exception(ImageCms.PyCMSError, lambda: ImageCms.getProfileName(None))
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assert_exception(ImageCms.PyCMSError, lambda: ImageCms.isIntentSupported(SRGB, None, None))
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def test_display_profile():
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# try fetching the profile for the current display device
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assert_no_exception(lambda: ImageCms.get_display_profile())
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