def test_constructor_with_keyword(self):
"""
Test ExponentWithLinearTransform constructor with keywords and validate its values.
"""
# With keywords in their proper order.
exp_tr = OCIO.ExponentWithLinearTransform(
gamma=self.TEST_GAMMA,
offset=self.TEST_OFFSET,
negativeStyle=self.TEST_NEGATIVE_STYLE,
direction=self.TEST_DIRECTION)
self.assertEqual(exp_tr.getGamma(), self.TEST_GAMMA)
self.assertEqual(exp_tr.getOffset(), self.TEST_OFFSET)
self.assertEqual(exp_tr.getNegativeStyle(), self.TEST_NEGATIVE_STYLE)
self.assertEqual(exp_tr.getDirection(), self.TEST_DIRECTION)
# With keywords not in their proper order.
exp_tr2 = OCIO.ExponentWithLinearTransform(
direction=self.TEST_DIRECTION,
negativeStyle=self.TEST_NEGATIVE_STYLE,
gamma=self.TEST_GAMMA,
offset=self.TEST_OFFSET)
self.assertEqual(exp_tr2.getGamma(), self.TEST_GAMMA)
self.assertEqual(exp_tr2.getOffset(), self.TEST_OFFSET)
self.assertEqual(exp_tr2.getNegativeStyle(), self.TEST_NEGATIVE_STYLE)
self.assertEqual(exp_tr2.getDirection(), self.TEST_DIRECTION)
def test_constructor_wrong_parameter_type(self):
"""
Test ExponentWithLinearTransform constructor with a wrong parameter type.
"""
for invalid in (None, 1, self.TEST_ID):
with self.assertRaises(TypeError):
exp_tr = OCIO.ExponentWithLinearTransform(invalid)
def test_constructor_with_positional(self):
"""
Test ExponentWithLinearTransform constructor without keywords and validate its values.
"""
exp_tr = OCIO.ExponentWithLinearTransform(self.TEST_GAMMA,
self.TEST_OFFSET,
self.TEST_NEGATIVE_STYLE,
self.TEST_DIRECTION)
self.assertEqual(exp_tr.getGamma(), self.TEST_GAMMA)
self.assertEqual(exp_tr.getOffset(), self.TEST_OFFSET)
self.assertEqual(exp_tr.getNegativeStyle(), self.TEST_NEGATIVE_STYLE)
self.assertEqual(exp_tr.getDirection(), self.TEST_DIRECTION)
def display_cctf(gamma=1.0, offset=None, direction=None, negative_style=None):
if offset:
cctf = ocio.ExponentWithLinearTransform()
cctf.setGamma(_rgba_tuple(gamma))
cctf.setOffset(_rgba_tuple(offset, alpha=0.0))
else:
cctf = ocio.ExponentTransform(_rgba_tuple(gamma))
if direction:
cctf.setDirection(direction)
if negative_style:
cctf.setNegativeStyle(negative_style)
return cctf
def setUp(self):
self.exp_tr = OCIO.ExponentWithLinearTransform()
},
{
'display': 'sRGB Monitor',
'view': 'Raw',
'colorspace': 'Utility - Raw'
},
],
active_displays=['sRGB Monitor'],
active_views=['sRGB - sRGB'],
)
generate_config(data, os.path.join(build_directory, 'config-v1.ocio'))
# "OpenColorIO 2" configuration.
data.profile_version = 2
transform = ocio.ExponentWithLinearTransform()
transform.setGamma([2.4, 2.4, 2.4, 1])
transform.setOffset([0.055, 0.055, 0.055, 0])
data.colorspaces[1].setTransform(transform,
ocio.COLORSPACE_DIR_TO_REFERENCE)
data.colorspaces[1].setDescription('')
# TODO: Use new display colorspace system.
data.views = [
{
'display': 'sRGB Monitor',
'view': 'sRGB - sRGB',
'colorspace': 'View - sRGB Monitor - sRGB'
},
{
'display': 'sRGB Monitor',
def baby_config():
linear = ocio.ColorSpace(
referenceSpace=ocio.REFERENCE_SPACE_SCENE,
name="linear",
description="scene-linear",
encoding="scene-linear",
bitDepth=ocio.BIT_DEPTH_F16,
# allocation=ocio.ALLOCATION_LG2,
# allocationVars=[-15, 6]
)
sRGB_inv_eotf = ocio.ColorSpace(
referenceSpace=ocio.REFERENCE_SPACE_SCENE,
name="sRGB (gamma ~2.2)",
description="sRGB inverse EOTF",
encoding="sdr-video",
bitDepth=ocio.BIT_DEPTH_UINT10,
fromReference=ocio.GroupTransform(
[
ocio.ExponentWithLinearTransform(
gamma=[2.4, 2.4, 2.4, 1.0],
offset=[0.055, 0.055, 0.055, 0.0],
direction=ocio.TRANSFORM_DIR_INVERSE,
),
ocio.RangeTransform(
minInValue=0, minOutValue=0, maxInValue=1, maxOutValue=1
),
]
),
)
sRGB = ocio.ColorSpace(
referenceSpace=ocio.REFERENCE_SPACE_SCENE,
name="sRGB",
description="sRGB inverse EOTF",
encoding="sdr-video",
bitDepth=ocio.BIT_DEPTH_UINT10,
fromReference=ocio.GroupTransform(
[
ocio.ExponentTransform(
value=[2.2, 2.2, 2.2, 1.0], direction=ocio.TRANSFORM_DIR_INVERSE
),
ocio.RangeTransform(
minInValue=0, minOutValue=0, maxInValue=1, maxOutValue=1
),
]
),
)
data = ocio.ColorSpace(
referenceSpace=ocio.REFERENCE_SPACE_SCENE,
name="non-color data",
encoding="data",
isData=True,
)
all_colorspaces = [data, linear, sRGB]
cfg = ocio.Config()
_ = [cfg.addColorSpace(cs) for cs in all_colorspaces]
cfg.addColorSpace(linear)
cfg.addColorSpace(sRGB)
# Consistently throws problems here likely in relation to the above
# 412-417 lines being called first and this tripping errors in this
# block. Commenting seems to quiet the issues.
# cfg.setRole('aces_interchange', aces.getName())
# cfg.setRole('cie_xyz_d65_interchange', xyzd65.getName())
cfg.setRole(ocio.ROLE_DATA, data.getName())
cfg.setRole(ocio.ROLE_DEFAULT, linear.getName())
cfg.setRole(ocio.ROLE_REFERENCE, linear.getName())
cfg.setRole(ocio.ROLE_SCENE_LINEAR, linear.getName())
cfg.setRole(ocio.ROLE_COLOR_PICKING, sRGB.getName())
# add default colorimetry view transform to config
# cfg.addViewTransform(
# ocio.ViewTransform(
# name='colorimetry',
# referenceSpace=ocio.REFERENCE_SPACE_SCENE,
# fromReference=ocio.BuiltinTransform('ACES-AP0_to_CIE-XYZ-D65_BFD'))
# )
# )
default_display_cs_name = "sRGB"
cfg.addDisplayView(
display="sRGB-like Commodity",
view="Inverse EOTF",
colorSpaceName=default_display_cs_name,
)
# cfg.addSharedView('Colorimetry', 'colorimetry', '<USE_DISPLAY_NAME>')
# cfg.addDisplaySharedView(default_display, 'Colorimetry')
return cfg
