def test_sanity():
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
assert_equal(v[0], '1.0.0 pil')
assert_equal(list(map(type, v)), [str, str, str, str])
# internal version number
assert_match(ImageCms.core.littlecms_version, "\d+\.\d+$")
i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert_equal(t.inputMode, "RGB")
assert_equal(t.outputMode, "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
im = lena().point(t)
def get_transform(from_name,
to_name,
to_intent='perceptual',
proof_name=None,
proof_intent=None,
use_black_pt=False):
global icc_transform
if not have_cms:
return ColorManagerError("Either pillow is not installed, or there is "
"no ICC support in this version of pillow")
flags = 0
if proof_name is not None:
if hasattr(ImageCms, 'FLAGS'):
# supporting multiple versions of lcms...sigh..
flags |= ImageCms.FLAGS['SOFTPROOFING']
else:
flags |= ImageCms.SOFTPROOFING
if use_black_pt:
if hasattr(ImageCms, 'FLAGS'):
flags |= ImageCms.FLAGS['BLACKPOINTCOMPENSATION']
else:
flags |= ImageCms.BLACKPOINTCOMPENSATION
key = get_transform_key(from_name, to_name, to_intent, proof_name,
proof_intent, flags)
try:
output_transform = icc_transform[key]
except KeyError:
# try to build transform on the fly
try:
if proof_name is not None:
output_transform = ImageCms.buildProofTransform(
profile[from_name].path,
profile[to_name].path,
profile[proof_name].path,
'RGB',
'RGB',
renderingIntent=intents[to_intent],
proofRenderingIntent=intents[proof_intent],
flags=flags)
else:
output_transform = ImageCms.buildTransform(
profile[from_name].path,
profile[to_name].path,
'RGB',
'RGB',
renderingIntent=intents[to_intent],
flags=flags)
icc_transform[key] = output_transform
except Exception as e:
raise ColorManagerError(
"Failed to build profile transform: {!r}".format(e))
return output_transform
def get_transform(from_name, to_name, to_intent='perceptual',
proof_name=None, proof_intent=None,
use_black_pt=False):
global icc_transform
flags = 0
if proof_name is not None:
if hasattr(ImageCms, 'FLAGS'):
# supporting multiple versions of lcms...sigh..
flags |= ImageCms.FLAGS['SOFTPROOFING']
else:
flags |= ImageCms.SOFTPROOFING
if use_black_pt:
if hasattr(ImageCms, 'FLAGS'):
flags |= ImageCms.FLAGS['BLACKPOINTCOMPENSATION']
else:
flags |= ImageCms.BLACKPOINTCOMPENSATION
key = get_transform_key(from_name, to_name, to_intent, proof_name,
proof_intent, flags)
try:
output_transform = icc_transform[key]
except KeyError:
# try to build transform on the fly
try:
if not (proof_name is None):
output_transform = ImageCms.buildProofTransform(
profile[from_name].path,
profile[to_name].path,
profile[proof_name].path,
'RGB', 'RGB',
renderingIntent=intents[to_intent],
proofRenderingIntent=intents[proof_intent],
flags=flags)
else:
output_transform = ImageCms.buildTransform(
profile[from_name].path,
profile[to_name].path,
'RGB', 'RGB',
renderingIntent=intents[to_intent],
flags=flags)
icc_transform[key] = output_transform
except Exception as e:
raise Exception("Failed to build profile transform: %s" % (str(e)))
return output_transform
def get_transform(from_name, to_name, to_intent='perceptual',
proof_name=None, proof_intent=None,
use_black_pt=False):
global icc_transform
flags = 0
if proof_name is not None:
if hasattr(ImageCms, 'FLAGS'):
# supporting multiple versions of lcms...sigh..
flags |= ImageCms.FLAGS['SOFTPROOFING']
else:
flags |= ImageCms.SOFTPROOFING
if use_black_pt:
if hasattr(ImageCms, 'FLAGS'):
flags |= ImageCms.FLAGS['BLACKPOINTCOMPENSATION']
else:
flags |= ImageCms.BLACKPOINTCOMPENSATION
key = get_transform_key(from_name, to_name, to_intent, proof_name,
proof_intent, flags)
try:
output_transform = icc_transform[key]
except KeyError:
# try to build transform on the fly
try:
if not (proof_name is None):
output_transform = ImageCms.buildProofTransform(
profile[from_name].path,
profile[to_name].path,
profile[proof_name].path,
'RGB', 'RGB',
renderingIntent=intents[to_intent],
proofRenderingIntent=intents[proof_intent],
flags=flags)
else:
output_transform = ImageCms.buildTransform(
profile[from_name].path,
profile[to_name].path,
'RGB', 'RGB',
renderingIntent=intents[to_intent],
flags=flags)
icc_transform[key] = output_transform
except Exception as e:
raise Exception("Failed to build profile transform: %s" % (str(e)))
return output_transform
def get_transform(from_name,
to_name,
to_intent='perceptual',
proof_name=None,
proof_intent=None,
use_black_pt=False):
global icc_transform
flags = 0
if not (proof_name is None):
flags |= ImageCms.SOFTPROOFING
if use_black_pt:
flags |= ImageCms.BLACKPOINTCOMPENSATION
key = get_transform_key(from_name, to_name, to_intent, proof_name,
proof_intent, flags)
try:
output_transform = icc_transform[key]
except KeyError:
# try to build transform on the fly
try:
if not (proof_name is None):
output_transform = ImageCms.buildProofTransform(
profile[from_name],
profile[to_name],
profile[proof_name],
'RGB',
'RGB',
renderingIntent=intents[to_intent],
proofRenderingIntent=intents[proof_intent],
flags=flags)
else:
output_transform = ImageCms.buildTransform(
profile[from_name],
profile[to_name],
'RGB',
'RGB',
renderingIntent=intents[to_intent],
flags=flags)
icc_transform[key] = output_transform
except Exception as e:
raise Exception("Failed to build profile transform: %s" % (str(e)))
return output_transform
def test_sanity(self):
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
self.assertEqual(v[0], '1.0.0 pil')
self.assertEqual(list(map(type, v)), [str, str, str, str])
# internal version number
self.assertRegexpMatches(ImageCms.core.littlecms_version, r"\d+\.\d+$")
self.skip_missing()
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
self.assert_image(i, "RGB", (128, 128))
i = hopper()
ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
i = hopper()
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(hopper(), t, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
self.assertEqual(t.inputMode, "RGB")
self.assertEqual(t.outputMode, "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
hopper().point(t)
def test_sanity(self):
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
self.assertEqual(v[0], '1.0.0 pil')
self.assertEqual(list(map(type, v)), [str, str, str, str])
# internal version number
self.assertRegexpMatches(ImageCms.core.littlecms_version, r"\d+\.\d+$")
self.skip_missing()
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
self.assert_image(i, "RGB", (128, 128))
i = hopper()
ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
i = hopper()
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(hopper(), t, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
self.assertEqual(t.inputMode, "RGB")
self.assertEqual(t.outputMode, "RGB")
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
hopper().point(t)
def get_transform(from_name, to_name, to_intent='perceptual',
proof_name=None, proof_intent=None,
use_black_pt=False):
global icc_transform
flags = 0
if not (proof_name is None):
flags |= ImageCms.SOFTPROOFING
if use_black_pt:
flags |= ImageCms.BLACKPOINTCOMPENSATION
key = get_transform_key(from_name, to_name, to_intent, proof_name,
proof_intent, flags)
try:
output_transform = icc_transform[key]
except KeyError:
# try to build transform on the fly
try:
if not (proof_name is None):
output_transform = ImageCms.buildProofTransform(
profile[from_name],
profile[to_name],
profile[proof_name],
'RGB', 'RGB',
renderingIntent=intents[to_intent],
proofRenderingIntent=intents[proof_intent],
flags=flags)
else:
output_transform = ImageCms.buildTransform(
profile[from_name],
profile[to_name],
'RGB', 'RGB',
renderingIntent=intents[to_intent],
flags=flags)
icc_transform[key] = output_transform
except Exception as e:
raise Exception("Failed to build profile transform: %s" % (str(e)))
return output_transform
def test_sanity():
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
assert v[0] == "1.0.0 pil"
assert list(map(type, v)) == [str, str, str, str]
# internal version number
assert re.search(r"\d+\.\d+(\.\d+)?$",
features.version_module("littlecms2"))
skip_missing()
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
assert_image(i, "RGB", (128, 128))
i = hopper()
ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
assert_image(i, "RGB", (128, 128))
with hopper() as i:
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(hopper(), t, inPlace=True)
assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert t.inputMode == "RGB"
assert t.outputMode == "RGB"
i = ImageCms.applyTransform(hopper(), t)
assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
hopper().point(t)
# and, to clean up a bit, delete the transform
# this should call the C destructor for the each item.
# Python should also do this automatically when it goes out of scope.
del(inputProfile)
del(outputProfile)
del(transform)
if TEST_buildProofTransform == True:
# make a transform using the input and output and proof profile path
# strings
# images converted with this transform will simulate the appearance
# of the output device while actually being displayed/proofed on the
# proof device. This usually means a monitor, but can also mean
# other proof-printers like dye-sub, etc.
transform = ImageCms.buildProofTransform(INPUT_PROFILE, OUTPUT_PROFILE, \
PROOF_PROFILE, INMODE, OUTMODE)
# now, use the trnsform to convert a couple images
im = Image.open(IMAGE)
# transform im normally
im2 = ImageCms.applyTransform(im, transform)
outputImage(im2, "buildProofTransform")
# then transform it again using the same transform, this time in-place.
result = ImageCms.applyTransform(im, transform, inPlace = True)
outputImage(im, "buildProofTransform_inPlace")
print("buildProofTransform test completed successfully.")
# and, to clean up a bit, delete the transform
def test_sanity():
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
assert_equal(v[0], '0.1.0 pil')
assert_equal(map(type, v), [str, str, str, str])
# internal version number
assert_match(ImageCms.core.littlecms_version, "\d+\.\d+$")
i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert_equal(t.inputMode, "RGB")
assert_equal(t.outputMode, "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
# get profile information for file
assert_equal(
ImageCms.getProfileName(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
assert_equal(
ImageCms.getProfileInfo(SRGB).splitlines(), [
'sRGB IEC61966-2.1', '',
'Copyright (c) 1998 Hewlett-Packard Company', '',
'WhitePoint : D65 (daylight)', '', 'Tests/icc/sRGB.icm'
])
assert_equal(ImageCms.getDefaultIntent(SRGB), 0)
assert_equal(
ImageCms.isIntentSupported(SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
# same, using profile object
p = ImageCms.createProfile("sRGB")
assert_equal(
ImageCms.getProfileName(p).strip(), 'sRGB built-in - (lcms internal)')
assert_equal(
ImageCms.getProfileInfo(p).splitlines(),
['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', ''])
assert_equal(ImageCms.getDefaultIntent(p), 0)
assert_equal(
ImageCms.isIntentSupported(p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
# extensions
i = Image.open("Tests/images/rgb.jpg")
p = ImageCms.getOpenProfile(StringIO(i.info["icc_profile"]))
assert_equal(
ImageCms.getProfileName(p).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
# the procedural pyCMS API uses PyCMSError for all sorts of errors
assert_exception(ImageCms.PyCMSError,
lambda: ImageCms.profileToProfile(lena(), "foo", "bar"))
assert_exception(
ImageCms.PyCMSError,
lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB"))
assert_exception(ImageCms.PyCMSError,
lambda: ImageCms.getProfileName(None))
assert_exception(ImageCms.PyCMSError,
lambda: ImageCms.isIntentSupported(SRGB, None, None))
# test PointTransform convenience API
im = lena().point(t)
# try fetching the profile for the current display device
assert_no_exception(lambda: ImageCms.get_display_profile())
def test_sanity():
# basic smoke test.
# this mostly follows the cms_test outline.
v = ImageCms.versions() # should return four strings
assert_equal(v[0], '0.1.0 pil')
assert_equal(list(map(type, v)), [str, str, str, str])
# internal version number
assert_match(ImageCms.core.littlecms_version, "\d+\.\d+$")
i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert_equal(t.inputMode, "RGB")
assert_equal(t.outputMode, "RGB")
i = ImageCms.applyTransform(lena(), t)
assert_image(i, "RGB", (128, 128))
# get profile information for file
assert_equal(ImageCms.getProfileName(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
assert_equal(ImageCms.getProfileInfo(SRGB).splitlines(),
['sRGB IEC61966-2.1', '',
'Copyright (c) 1998 Hewlett-Packard Company', '',
'WhitePoint : D65 (daylight)', '',
'Tests/icc/sRGB.icm'])
assert_equal(ImageCms.getDefaultIntent(SRGB), 0)
assert_equal(ImageCms.isIntentSupported(
SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
# same, using profile object
p = ImageCms.createProfile("sRGB")
assert_equal(ImageCms.getProfileName(p).strip(),
'sRGB built-in - (lcms internal)')
assert_equal(ImageCms.getProfileInfo(p).splitlines(),
['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', ''])
assert_equal(ImageCms.getDefaultIntent(p), 0)
assert_equal(ImageCms.isIntentSupported(
p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
ImageCms.DIRECTION_INPUT), 1)
# extensions
i = Image.open("Tests/images/rgb.jpg")
p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"]))
assert_equal(ImageCms.getProfileName(p).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
# the procedural pyCMS API uses PyCMSError for all sorts of errors
assert_exception(ImageCms.PyCMSError, lambda: ImageCms.profileToProfile(lena(), "foo", "bar"))
assert_exception(ImageCms.PyCMSError, lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB"))
assert_exception(ImageCms.PyCMSError, lambda: ImageCms.getProfileName(None))
assert_exception(ImageCms.PyCMSError, lambda: ImageCms.isIntentSupported(SRGB, None, None))
# test PointTransform convenience API
im = lena().point(t)
# try fetching the profile for the current display device
assert_no_exception(lambda: ImageCms.get_display_profile())
# and, to clean up a bit, delete the transform
# this should call the C destructor for the each item.
# Python should also do this automatically when it goes out of scope.
del (inputProfile)
del (outputProfile)
del (transform)
if TEST_buildProofTransform == True:
# make a transform using the input and output and proof profile path
# strings
# images converted with this transform will simulate the appearance
# of the output device while actually being displayed/proofed on the
# proof device. This usually means a monitor, but can also mean
# other proof-printers like dye-sub, etc.
transform = ImageCms.buildProofTransform(INPUT_PROFILE, OUTPUT_PROFILE, \
PROOF_PROFILE, INMODE, OUTMODE)
# now, use the trnsform to convert a couple images
im = Image.open(IMAGE)
# transform im normally
im2 = ImageCms.applyTransform(im, transform)
outputImage(im2, "buildProofTransform")
# then transform it again using the same transform, this time in-place.
result = ImageCms.applyTransform(im, transform, inPlace=True)
outputImage(im, "buildProofTransform_inPlace")
print "buildProofTransform test completed successfully."
# and, to clean up a bit, delete the transform
