def test_transform_type(self):
"""
Test the getTransformType() method.
"""
gpt = OCIO.GradingPrimaryTransform()
self.assertEqual(gpt.getTransformType(),
OCIO.TRANSFORM_TYPE_GRADING_PRIMARY)
def test_validation(self):
"""
Test validate().
"""
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
gpt.validate()
def test_apply_inverse(self):
"""
Test applying transform with inversion.
"""
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
val = OCIO.GradingPrimary(OCIO.GRADING_LOG)
val.gamma = OCIO.GradingRGBM(1.2, 1.4, 1.1, 0.7)
val.saturation = 1.5
gpt.setValue(val)
cfg = OCIO.Config().CreateRaw()
proc = cfg.getProcessor(gpt)
cpu = proc.getDefaultCPUProcessor()
# Apply the transform and keep the result.
pixel = [0.48, 0.18, 0.18]
rgb1 = cpu.applyRGB(pixel)
# The processing did something.
self.assertAlmostEqual(0.515640, rgb1[0], delta=1e-5)
self.assertAlmostEqual(0.150299, rgb1[1], delta=1e-5)
self.assertAlmostEqual(0.051360, rgb1[2], delta=1e-5)
# Invert.
gpt.setDirection(OCIO.TRANSFORM_DIR_INVERSE)
proc = cfg.getProcessor(gpt)
cpu = proc.getDefaultCPUProcessor()
pixel2 = cpu.applyRGB(rgb1)
# Invert back to original value.
self.assertAlmostEqual(pixel[0], pixel2[0], delta=1e-5)
self.assertAlmostEqual(pixel[1], pixel2[1], delta=1e-5)
self.assertAlmostEqual(pixel[2], pixel2[2], delta=1e-5)
def test_style(self):
"""
Test setStyle() and getStyle().
"""
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
for style in OCIO.GradingStyle.__members__.values():
gpt.setStyle(style)
self.assertEqual(gpt.getStyle(), style)
def test_dynamic(self):
"""
Test isDynamic() and makeDynamic().
"""
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
self.assertFalse(gpt.isDynamic())
gpt.makeDynamic()
self.assertTrue(gpt.isDynamic())
gpt.makeNonDynamic()
self.assertFalse(gpt.isDynamic())
def test_apply_dynamic(self):
"""
Test applying transform with dynamic properties.
"""
gpt1 = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
gpt1.makeDynamic()
gpt2 = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
val2 = OCIO.GradingPrimary(OCIO.GRADING_LOG)
val2.gamma = OCIO.GradingRGBM(1.2, 1.4, 1.1, 1.0)
val2.saturation = 1.5
gpt2.setValue(val2)
group = OCIO.GroupTransform()
group.appendTransform(gpt1)
group.appendTransform(gpt2)
cfg = OCIO.Config().CreateRaw()
proc = cfg.getProcessor(group)
cpu = proc.getDefaultCPUProcessor()
dp = cpu.getDynamicProperty(OCIO.DYNAMIC_PROPERTY_GRADING_PRIMARY)
self.assertEqual(dp.getType(), OCIO.DYNAMIC_PROPERTY_GRADING_PRIMARY)
# Apply the transform and keep the result.
pixel = [0.48, 0.18, 0.18]
rgb1 = cpu.applyRGB(pixel)
# Change the transform through the dynamic property.
val1 = OCIO.GradingPrimary(OCIO.GRADING_LOG)
val1.gamma = OCIO.GradingRGBM(1.1, 1.2, 1.3, 1.0)
dp.setGradingPrimary(val1)
# Apply the transform to the same pixel and verify result is different.
rgb2 = cpu.applyRGB(pixel)
self.assertNotEqual(rgb1[0], rgb2[0])
self.assertNotEqual(rgb1[1], rgb2[1])
self.assertNotEqual(rgb1[2], rgb2[2])
def test_values(self):
"""
Test setValue() and getValue().
"""
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LOG)
vals = OCIO.GradingPrimary(OCIO.GRADING_LOG)
vals.contrast = OCIO.GradingRGBM(1.1, 0.9, 1.2, 1)
vals.clampBlack = 0.1
gpt.setValue(vals)
assertEqualPrimary(self, gpt.getValue(), vals)
vals.offset = OCIO.GradingRGBM(0, 0.1, -0.1, 0)
with self.assertRaises(AssertionError):
assertEqualPrimary(self, gpt.getValue(), vals)
gpt.setValue(vals)
assertEqualPrimary(self, gpt.getValue(), vals)
def test_contructor(self):
"""
Test GradingPrimaryTransform constructor without and with keywords.
"""
gpt = OCIO.GradingPrimaryTransform()
self.assertEqual(gpt.getStyle(), OCIO.GRADING_LOG)
assertEqualPrimary(self, gpt.getValue(), self.valsDefaultLog)
self.assertEqual(gpt.isDynamic(), False)
self.assertEqual(gpt.getDirection(), OCIO.TRANSFORM_DIR_FORWARD)
gpt = OCIO.GradingPrimaryTransform(OCIO.GRADING_LIN)
self.assertEqual(gpt.getStyle(), OCIO.GRADING_LIN)
assertEqualPrimary(self, gpt.getValue(), self.valsDefault)
self.assertEqual(gpt.isDynamic(), False)
self.assertEqual(gpt.getDirection(), OCIO.TRANSFORM_DIR_FORWARD)
vals = OCIO.GradingPrimary(OCIO.GRADING_LOG)
vals.clampBlack = 0.1
gpt = OCIO.GradingPrimaryTransform(style=OCIO.GRADING_VIDEO,
values=vals,
dynamic=True,
dir=OCIO.TRANSFORM_DIR_INVERSE)
self.assertEqual(gpt.getStyle(), OCIO.GRADING_VIDEO)
self.assertEqual(gpt.isDynamic(), True)
self.assertEqual(gpt.getDirection(), OCIO.TRANSFORM_DIR_INVERSE)
assertEqualPrimary(self, gpt.getValue(), vals)
gpt = OCIO.GradingPrimaryTransform(style=OCIO.GRADING_LOG,
dynamic=False,
dir=OCIO.TRANSFORM_DIR_INVERSE)
self.assertEqual(gpt.getStyle(), OCIO.GRADING_LOG)
self.assertEqual(gpt.isDynamic(), False)
self.assertEqual(gpt.getDirection(), OCIO.TRANSFORM_DIR_INVERSE)
assertEqualPrimary(self, gpt.getValue(), self.valsDefaultLog)
# White has to be bigger than white.
vals.clampBlack = 0.9
vals.clampWhite = 0.1
with self.assertRaises(OCIO.Exception):
OCIO.GradingPrimaryTransform(values=vals)
# Gamma has to be above lower bound.
vals.clampBlack = 0.1
vals.clampWhite = 0.9
vals.gamma.blue = 0.001
with self.assertRaises(OCIO.Exception):
OCIO.GradingPrimaryTransform(values=vals)