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Merge pull request #923 from wiredfool/conditional-profile

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Conditional profile tests
This commit is contained in:
Hugo 2014-09-25 15:02:50 +03:00
commit 5606fa3597
6 changed files with 59 additions and 17 deletions
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Tests/icc/CMY.icm
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25
Tests/icc/LICENSE.txt Normal file
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@ -0,0 +1,25 @@
from http://www.color.org/srgbprofiles.xalter
Terms of use
To anyone who acknowledges that the file "sRGB_v4_ICC_preference.icc"
is provided "AS IS" WITH NO EXPRESS OR IMPLIED WARRANTY, permission
to use, copy and distribute this file for any purpose is hereby
granted without fee, provided that the file is not changed including
the ICC copyright notice tag, and that the name of ICC shall not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission. ICC makes no
representations about the suitability of this software for any
purpose.
To anyone who acknowledges that the file
"sRGB_IEC61966-2-1_blackscaled.icc" is provided "AS IS" WITH NO
EXPRESS OR IMPLIED WARRANTY, permission to use, copy and distribute
these file for any purpose is hereby granted without fee, provided
that the file is not changed including the ICC copyright notice tag,
and that the name of ICC shall not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission. ICC makes no representations about the suitability
of this software for any purpose.

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Tests/icc/YCC709.icm
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Tests/icc/sRGB.icm → Tests/icc/sRGB_IEC61966-2-1_black_scaled.icc
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Tests/icc/sRGB_v4_ICC_preference.icc Normal file
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51
Tests/test_imagecms.py
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@ -3,7 +3,8 @@ from helper import unittest, PillowTestCase, hopper, lena
from PIL import Image
from io import BytesIO
import os
try:
from PIL import ImageCms
from PIL.ImageCms import ImageCmsProfile
@ -13,8 +14,8 @@ except ImportError as v:
pass
SRGB = "Tests/icc/sRGB.icm"
SRGB = "Tests/icc/sRGB_IEC61966-2-1_black_scaled.icc"
HAVE_PROFILE = os.path.exists(SRGB)
class TestImageCms(PillowTestCase):
@ -26,8 +27,12 @@ class TestImageCms(PillowTestCase):
except ImportError as v:
self.skipTest(v)
def test_sanity(self):
def skip_missing(self):
if not HAVE_PROFILE:
self.skipTest("SRGB profile not available")
def test_sanity(self):
# basic smoke test.
# this mostly follows the cms_test outline.
@ -38,6 +43,7 @@ class TestImageCms(PillowTestCase):
# internal version number
self.assertRegexpMatches(ImageCms.core.littlecms_version, "\d+\.\d+$")
self.skip_missing()
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
self.assert_image(i, "RGB", (128, 128))
@ -70,38 +76,45 @@ class TestImageCms(PillowTestCase):
hopper().point(t)
def test_name(self):
self.skip_missing()
# get profile information for file
self.assertEqual(
ImageCms.getProfileName(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
'IEC 61966-2-1 Default RGB Colour Space - sRGB')
def test_info(self):
self.skip_missing()
self.assertEqual(
ImageCms.getProfileInfo(SRGB).splitlines(), [
'sRGB IEC61966-2.1', '',
'Copyright (c) 1998 Hewlett-Packard Company', ''])
'sRGB IEC61966-2-1 black scaled', '',
'Copyright International Color Consortium, 2009', ''])
def test_copyright(self):
self.skip_missing()
self.assertEqual(
ImageCms.getProfileCopyright(SRGB).strip(),
'Copyright (c) 1998 Hewlett-Packard Company')
'Copyright International Color Consortium, 2009')
def test_manufacturer(self):
self.skip_missing()
self.assertEqual(
ImageCms.getProfileManufacturer(SRGB).strip(),
'IEC http://www.iec.ch')
'')
def test_model(self):
self.skip_missing()
self.assertEqual(
ImageCms.getProfileModel(SRGB).strip(),
'IEC 61966-2.1 Default RGB colour space - sRGB')
'IEC 61966-2-1 Default RGB Colour Space - sRGB')
def test_description(self):
self.skip_missing()
self.assertEqual(
ImageCms.getProfileDescription(SRGB).strip(),
'sRGB IEC61966-2.1')
'sRGB IEC61966-2-1 black scaled')
def test_intent(self):
self.skip_missing()
self.assertEqual(ImageCms.getDefaultIntent(SRGB), 0)
self.assertEqual(ImageCms.isIntentSupported(
SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC,
@ -139,6 +152,7 @@ class TestImageCms(PillowTestCase):
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.getProfileName(None))
self.skip_missing()
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.isIntentSupported(SRGB, None, None))
@ -153,9 +167,9 @@ class TestImageCms(PillowTestCase):
def test_simple_lab(self):
i = Image.new('RGB', (10, 10), (128, 128, 128))
psRGB = ImageCms.createProfile("sRGB")
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(SRGB, pLab, "RGB", "LAB")
t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB")
i_lab = ImageCms.applyTransform(i, t)
@ -174,8 +188,9 @@ class TestImageCms(PillowTestCase):
self.assertEqual(list(b), [128] * 100)
def test_lab_color(self):
psRGB = ImageCms.createProfile("sRGB")
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(SRGB, pLab, "RGB", "LAB")
t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB")
# Need to add a type mapping for some PIL type to TYPE_Lab_8 in
# findLCMSType, and have that mapping work back to a PIL mode
# (likely RGB).
@ -189,8 +204,9 @@ class TestImageCms(PillowTestCase):
self.assert_image_similar(i, target, 30)
def test_lab_srgb(self):
psRGB = ImageCms.createProfile("sRGB")
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(pLab, SRGB, "LAB", "RGB")
t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB")
img = Image.open('Tests/images/lena.Lab.tif')
@ -206,10 +222,11 @@ class TestImageCms(PillowTestCase):
def test_lab_roundtrip(self):
# check to see if we're at least internally consistent.
psRGB = ImageCms.createProfile("sRGB")
pLab = ImageCms.createProfile("LAB")
t = ImageCms.buildTransform(SRGB, pLab, "RGB", "LAB")
t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB")
t2 = ImageCms.buildTransform(pLab, SRGB, "LAB", "RGB")
t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB")
i = ImageCms.applyTransform(hopper(), t)