def test_constructor_with_keyword(self):
"""
Test Look constructor with keywords and validate its values.
"""
# With keywords in their proper order.
exp_tr = OCIO.ExponentTransform()
inv_exp_tr = OCIO.ExponentTransform()
look = OCIO.Look(name='coollook',
processSpace='somespace',
transform=exp_tr,
inverseTransform=inv_exp_tr,
description='this is a test')
self.assertEqual(look.getName(), 'coollook')
self.assertEqual(look.getProcessSpace(), 'somespace')
self.assertIsInstance(look.getTransform(), type(exp_tr))
self.assertIsInstance(look.getInverseTransform(), type(inv_exp_tr))
self.assertEqual(look.getDescription(), 'this is a test')
# With keyword not in their proper order.
exp_tr2 = OCIO.ExponentTransform()
inv_exp_tr2 = OCIO.ExponentTransform()
look2 = OCIO.Look(inverseTransform=inv_exp_tr,
description='this is a test',
name='coollook',
processSpace='somespace',
transform=exp_tr)
self.assertEqual(look2.getName(), 'coollook')
self.assertEqual(look2.getProcessSpace(), 'somespace')
self.assertIsInstance(look2.getTransform(), type(exp_tr2))
self.assertIsInstance(look2.getInverseTransform(), type(inv_exp_tr2))
self.assertEqual(look2.getDescription(), 'this is a test')
def CreateOCIODisplayTransform(config, inputColorSpace, display, view, swizzle,
fstopOffset, viewGamma):
displayTransform = OCIO.DisplayTransform()
displayTransform.setInputColorSpaceName(inputColorSpace)
displayColorSpace = config.getDisplayColorSpaceName(display, view)
displayTransform.setDisplayColorSpaceName(displayColorSpace)
# Add the channel sizzle
lumacoef = config.getDefaultLumaCoefs()
mtx, offset = OCIO.MatrixTransform.View(swizzle, lumacoef)
transform = OCIO.MatrixTransform()
transform.setValue(mtx, offset)
displayTransform.setChannelView(transform)
# Add the linear fstop gain
gain = 2**fstopOffset
mtx, offset = OCIO.MatrixTransform.Scale((gain, gain, gain, gain))
transform = OCIO.MatrixTransform()
transform.setValue(mtx, offset)
displayTransform.setLinearCC(transform)
# Add the post-display CC
transform = OCIO.ExponentTransform()
transform.setValue([1.0 / max(1e-6, v) for v in \
(viewGamma, viewGamma, viewGamma, viewGamma)])
displayTransform.setDisplayCC(transform)
return displayTransform
def test_constructor_wrong_parameter_type(self):
"""
Test ExponentTransform constructor with a wrong parameter type.
"""
for invalid in (None, 1):
with self.assertRaises(TypeError):
exp_tr = OCIO.ExponentTransform(invalid)
def test_constructor_with_positional(self):
"""
Test Look constructor without keywords and validate its values.
"""
exp_tr = OCIO.ExponentTransform()
inv_exp_tr = OCIO.ExponentTransform()
look = OCIO.Look('coollook',
'somespace',
exp_tr,
inv_exp_tr,
'this is a test')
self.assertEqual(look.getName(), 'coollook')
self.assertEqual(look.getProcessSpace(), 'somespace')
self.assertIsInstance(look.getTransform(), type(exp_tr))
self.assertIsInstance(look.getInverseTransform(), type(inv_exp_tr))
self.assertEqual(look.getDescription(), 'this is a test')
def test_interface(self):
lk = OCIO.Look()
lk.setName("coollook")
self.assertEqual("coollook", lk.getName())
lk.setProcessSpace("somespace")
self.assertEqual("somespace", lk.getProcessSpace())
et = OCIO.ExponentTransform()
et.setValue([0.1, 0.2, 0.3, 0.4])
lk.setTransform(et)
oet = lk.getTransform()
vals = oet.getValue()
self.assertAlmostEqual(0.2, vals[1], delta=1e-8)
iet = OCIO.ExponentTransform()
iet.setValue([-0.1, -0.2, -0.3, -0.4])
lk.setInverseTransform(iet)
ioet = lk.getInverseTransform()
vals2 = ioet.getValue()
self.assertAlmostEqual(-0.2, vals2[1], delta=1e-8)
def test_constructor_with_positional(self):
"""
Test ExponentTransform constructor without keywords and validate its values.
"""
exp_tr = OCIO.ExponentTransform(self.TEST_VALUES,
self.TEST_NEGATIVE_STYLE,
self.TEST_DIRECTION)
self.assertEqual(exp_tr.getValue(), self.TEST_VALUES)
self.assertEqual(exp_tr.getNegativeStyle(), self.TEST_NEGATIVE_STYLE)
self.assertEqual(exp_tr.getDirection(), self.TEST_DIRECTION)
def test_constructor_with_keyword(self):
"""
Test ExponentTransform constructor with keywords and validate its values.
"""
# With keywords in their proper order.
exp_tr = OCIO.ExponentTransform(value=self.TEST_VALUES,
negativeStyle=self.TEST_NEGATIVE_STYLE,
direction=self.TEST_DIRECTION)
self.assertEqual(exp_tr.getValue(), self.TEST_VALUES)
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.ExponentTransform(
negativeStyle=self.TEST_NEGATIVE_STYLE,
direction=self.TEST_DIRECTION,
value=self.TEST_VALUES)
self.assertEqual(exp_tr2.getValue(), self.TEST_VALUES)
self.assertEqual(exp_tr2.getNegativeStyle(), self.TEST_NEGATIVE_STYLE)
self.assertEqual(exp_tr2.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 test_transform(self):
"""
Test the setTransform() and getTransform() methods.
"""
# Default initialized transform value is None
self.assertIsNone(self.look.getTransform())
exp_tr = OCIO.ExponentTransform()
exp_tr.setValue(self.TEST_EXP_VALUES)
self.look.setTransform(exp_tr)
out_exp_tr = self.look.getTransform()
self.assertListEqual(out_exp_tr.getValue(), self.TEST_EXP_VALUES)
# Wrong type tests.
for invalid in (OCIO.ALLOCATION_UNIFORM, 1):
with self.assertRaises(TypeError):
self.look.setTransform(invalid)
def test_inverse_transform(self):
"""
Test the setInverseTransform() and getInverseTransform() methods.
"""
# Default initialized inverse transform value is None
self.assertIsNone(self.look.getInverseTransform())
exp_tr = OCIO.ExponentTransform()
inv_exp_values = [1.0 / v for v in self.TEST_EXP_VALUES]
exp_tr.setValue(inv_exp_values)
self.look.setInverseTransform(exp_tr)
inv_oet = self.look.getInverseTransform()
self.assertListEqual(inv_oet.getValue(), inv_exp_values)
# Wrong type tests.
for invalid in (OCIO.ALLOCATION_UNIFORM, 1):
with self.assertRaises(TypeError):
self.look.setInverseTransform(invalid)
def OCIOCreateTransforms(config, transforms):
# for name, description, family, isdata, allocationvars, bitdepth, type, \
# variables, direction in transforms:
for transform_details in transforms:
colorspace = PyOpenColorIO.ColorSpace()
colorspace.setName(transform_details["name"])
colorspace.setDescription(transform_details["description"])
colorspace.setFamily(transform_details["family"])
colorspace.setIsData(transform_details["isdata"])
colorspace.setAllocationVars([
transform_details["allocationvars"]["from"],
transform_details["allocationvars"]["to"]
])
colorspace.setAllocation(transform_details["allocationvars"]["type"])
colorspace.setBitDepth(transform_details["bitdepth"])
if transform_details["type"] is "ExponentTransform":
transform = PyOpenColorIO.ExponentTransform([
transform_details["variables"]["exponentR"],
transform_details["variables"]["exponentG"],
transform_details["variables"]["exponentB"],
transform_details["variables"]["exponentA"]
])
colorspace.setTransform(transform, transform_details["direction"])
config.addColorSpace(colorspace)
def test_interface(self):
_cfg = OCIO.Config().CreateFromStream(self.SIMPLE_PROFILE)
_cfge = _cfg.createEditableCopy()
self.assertEqual("luts", _cfge.getSearchPath())
_cfge.setSearchPath("otherdir")
self.assertEqual("otherdir", _cfge.getSearchPath())
_cfge.sanityCheck()
_cfge.setDescription("testdesc")
self.assertEqual("testdesc", _cfge.getDescription())
self.assertEqual(self.SIMPLE_PROFILE, _cfg.serialize())
#self.assertEqual("$07d1fb1509eeae1837825fd4242f8a69:$885ad1683add38a11f7bbe34e8bf9ac0",
# _cfg.getCacheID())
con = _cfg.getCurrentContext()
self.assertNotEqual(0, con.getNumStringVars())
#self.assertEqual("", _cfg.getCacheID(con))
#self.assertEqual("", _cfge.getWorkingDir())
_cfge.setWorkingDir("/foobar")
self.assertEqual("/foobar", _cfge.getWorkingDir())
self.assertEqual(3, _cfge.getNumColorSpaces())
self.assertEqual("lnh", _cfge.getColorSpaceNameByIndex(1))
lnh = _cfge.getColorSpace("lnh")
self.assertEqual("ln", lnh.getFamily())
self.assertEqual(0, _cfge.getIndexForColorSpace("foobar"))
cs = OCIO.ColorSpace()
cs.setName("blah")
_cfge.addColorSpace(cs)
self.assertEqual(3, _cfge.getIndexForColorSpace("blah"))
#_cfge.clearColorSpaces()
#_cfge.parseColorSpaceFromString("foo")
self.assertEqual(False, _cfg.isStrictParsingEnabled())
_cfge.setStrictParsingEnabled(True)
self.assertEqual(True, _cfge.isStrictParsingEnabled())
self.assertEqual(2, _cfge.getNumRoles())
self.assertEqual(False, _cfg.hasRole("foo"))
_cfge.setRole("foo", "vd8")
self.assertEqual(3, _cfge.getNumRoles())
self.assertEqual(True, _cfge.hasRole("foo"))
self.assertEqual("foo", _cfge.getRoleName(1))
self.assertEqual("sRGB", _cfge.getDefaultDisplay())
self.assertEqual(1, _cfge.getNumDisplays())
self.assertEqual("sRGB", _cfge.getDisplay(0))
self.assertEqual("Film1D", _cfge.getDefaultView("sRGB"))
self.assertEqual(2, _cfge.getNumViews("sRGB"))
self.assertEqual("Raw", _cfge.getView("sRGB", 1))
self.assertEqual("vd8",
_cfge.getDisplayColorSpaceName("sRGB", "Film1D"))
self.assertEqual("", _cfg.getDisplayLooks("sRGB", "Film1D"))
_cfge.addDisplay("foo", "bar", "foo", "wee")
_cfge.clearDisplays()
_cfge.setActiveDisplays("sRGB")
self.assertEqual("sRGB", _cfge.getActiveDisplays())
_cfge.setActiveViews("Film1D")
self.assertEqual("Film1D", _cfge.getActiveViews())
luma = _cfge.getDefaultLumaCoefs()
self.assertAlmostEqual(0.2126, luma[0], delta=1e-8)
_cfge.setDefaultLumaCoefs([0.1, 0.2, 0.3])
tnewluma = _cfge.getDefaultLumaCoefs()
self.assertAlmostEqual(0.1, tnewluma[0], delta=1e-8)
self.assertEqual(0, _cfge.getNumLooks())
lk = OCIO.Look()
lk.setName("coollook")
lk.setProcessSpace("somespace")
et = OCIO.ExponentTransform()
et.setValue([0.1, 0.2, 0.3, 0.4])
lk.setTransform(et)
iet = OCIO.ExponentTransform()
iet.setValue([-0.1, -0.2, -0.3, -0.4])
lk.setInverseTransform(iet)
_cfge.addLook(lk)
self.assertEqual(1, _cfge.getNumLooks())
self.assertEqual("coollook", _cfge.getLookNameByIndex(0))
glk = _cfge.getLook("coollook")
self.assertEqual("somespace", glk.getProcessSpace())
_cfge.clearLooks()
self.assertEqual(0, _cfge.getNumLooks())
#getProcessor(context, srcColorSpace, dstColorSpace)
#getProcessor(context, srcName,dstName);
#getProcessor(transform);
#getProcessor(transform, direction);
#getProcessor(context, transform, direction);
_proc = _cfg.getProcessor("lnh", "vd8")
self.assertEqual(False, _proc.isNoOp())
self.assertEqual(True, _proc.hasChannelCrosstalk())
#float packedpix[] = new float[]{0.48f, 0.18f, 0.9f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f };
#FloatBuffer buf = ByteBuffer.allocateDirect(2 * 2 * 4 * Float.SIZE / 8).asFloatBuffer();
#buf.put(packedpix);
#PackedImageDesc foo = new PackedImageDesc(buf, 2, 2, 4);
#_proc.apply(foo);
#FloatBuffer wee = foo.getData();
#self.assertEqual(-2.4307251581696764E-35f, wee.get(2), 1e-8);
# TODO: these should work in-place
rgbfoo = _proc.applyRGB([0.48, 0.18, 0.18])
self.assertAlmostEqual(1.9351075, rgbfoo[0], delta=1e-7)
# TODO: these should work in-place
rgbafoo = _proc.applyRGBA([0.48, 0.18, 0.18, 1.0])
self.assertAlmostEqual(1.0, rgbafoo[3], delta=1e-8)
#self.assertEqual("$a92ef63abd9edf61ad5a7855da064648", _proc.getCpuCacheID())
desc = OCIO.GpuShaderDesc()
desc.setLanguage(OCIO.Constants.GPU_LANGUAGE_GLSL_1_3)
desc.setFunctionName("pytestocio")
desc.setLut3DEdgeLen(32)
glsl = _proc.getGpuShaderText(desc)
self.assertEqual(self.GLSLResult, glsl)
# old DEPRECIATED GpuShaderDesc dict support
desc2 = {
"language": OCIO.Constants.GPU_LANGUAGE_GLSL_1_3,
"functionName": "pytestocio",
"lut3DEdgeLen": 32
}
glsl = _proc.getGpuShaderText(desc2)
self.assertEqual(self.GLSLResult, glsl)
#self.assertEqual("$1dead2bf42974cd1769164e45a0c9e40", _proc.getGpuShaderTextCacheID(desc))
#self.assertEqual("$1dead2bf42974cd1769164e45a0c9e40", _proc.getGpuShaderTextCacheID(desc2))
len = desc.getLut3DEdgeLen()
size = 3 * len * len * len
self.assertEqual(0.0,
_proc.getGpuLut3D(desc2)[size - 1])
self.assertEqual("<NULL>", _proc.getGpuLut3DCacheID(desc))
self.assertEqual("<NULL>", _proc.getGpuLut3DCacheID(desc2))
del _cfge
del _cfg
def test_interface(self):
### AllocationTransform ###
at = OCIO.AllocationTransform()
self.assertEqual(OCIO.Constants.ALLOCATION_UNIFORM, at.getAllocation())
at.setAllocation(OCIO.Constants.ALLOCATION_LG2)
self.assertEqual(OCIO.Constants.ALLOCATION_LG2, at.getAllocation())
self.assertEqual(0, at.getNumVars())
at.setVars([0.1, 0.2, 0.3])
self.assertEqual(3, at.getNumVars())
newvars = at.getVars()
self.assertAlmostEqual(0.2, newvars[1], delta=1e-8)
at2 = OCIO.AllocationTransform(OCIO.Constants.ALLOCATION_LG2,
[0.1, 0.2, 0.3],
OCIO.Constants.TRANSFORM_DIR_INVERSE)
self.assertEqual(OCIO.Constants.ALLOCATION_LG2, at2.getAllocation())
self.assertEqual(3, at2.getNumVars())
newvars2 = at2.getVars()
for i in range(0, 3):
self.assertAlmostEqual(float(i + 1) / 10.0,
newvars2[i],
delta=1e-7)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
at2.getDirection())
at3 = OCIO.AllocationTransform(
allocation=OCIO.Constants.ALLOCATION_LG2,
vars=[0.1, 0.2, 0.3],
direction=OCIO.Constants.TRANSFORM_DIR_INVERSE)
self.assertEqual(OCIO.Constants.ALLOCATION_LG2, at3.getAllocation())
self.assertEqual(3, at3.getNumVars())
newvars3 = at3.getVars()
for i in range(0, 3):
self.assertAlmostEqual(float(i + 1) / 10.0,
newvars3[i],
delta=1e-7)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
at3.getDirection())
### Base Transform method tests ###
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_FORWARD,
at.getDirection())
at.setDirection(OCIO.Constants.TRANSFORM_DIR_UNKNOWN)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_UNKNOWN,
at.getDirection())
### CDLTransform ###
cdl = OCIO.CDLTransform()
CC = "<ColorCorrection id=\"foo\">"
CC += "<SOPNode>"
CC += "<Description>this is a descipt</Description>"
CC += "<Slope>1.1 1.2 1.3</Slope><Offset>2.1 2.2 2.3</Offset>"
CC += "<Power>3.1 3.2 3.3</Power>"
CC += "</SOPNode>"
CC += "<SatNode>"
CC += "<Saturation>0.7</Saturation>"
CC += "</SatNode>"
CC += "</ColorCorrection>"
# Don't want to deal with getting the correct path so this runs
#cdlfile = OCIO.CDLTransform().CreateFromFile("../OpenColorIO/src/jniglue/tests/org/OpenColorIO/test.cc", "foo")
#self.assertEqual(CC, cdlfile.getXML())
cdl.setXML(CC)
self.assertEqual(CC, cdl.getXML())
match = cdl.createEditableCopy()
match.setOffset([1.0, 1.0, 1.0])
self.assertEqual(False, cdl.equals(match))
cdl.setSlope([0.1, 0.2, 0.3])
cdl.setOffset([1.1, 1.2, 1.3])
cdl.setPower([2.1, 2.2, 2.3])
cdl.setSat(0.5)
CC2 = "<ColorCorrection id=\"foo\">"
CC2 += "<SOPNode>"
CC2 += "<Description>this is a descipt</Description>"
CC2 += "<Slope>0.1 0.2 0.3</Slope>"
CC2 += "<Offset>1.1 1.2 1.3</Offset>"
CC2 += "<Power>2.1 2.2 2.3</Power>"
CC2 += "</SOPNode>"
CC2 += "<SatNode>"
CC2 += "<Saturation>0.5</Saturation>"
CC2 += "</SatNode>" "</ColorCorrection>"
self.assertEqual(CC2, cdl.getXML())
cdl.setSOP([1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9])
newsop = cdl.getSOP()
self.assertAlmostEqual(1.5, newsop[4], delta=1e-8)
slope = cdl.getSlope()
self.assertAlmostEqual(1.2, slope[1], delta=1e-7)
offset = cdl.getOffset()
self.assertAlmostEqual(1.6, offset[2], delta=1e-7)
power = cdl.getPower()
self.assertAlmostEqual(1.7, power[0], delta=1e-7)
self.assertAlmostEqual(0.5, cdl.getSat(), delta=1e-8)
luma = cdl.getSatLumaCoefs()
self.assertAlmostEqual(0.2126, luma[0], delta=1e-8)
self.assertAlmostEqual(0.7152, luma[1], delta=1e-8)
self.assertAlmostEqual(0.0722, luma[2], delta=1e-8)
cdl.setID("foobar123")
self.assertEqual("foobar123", cdl.getID())
cdl.setDescription("bar")
self.assertEqual("bar", cdl.getDescription())
cdl2 = OCIO.CDLTransform([0.1, 0.2, 0.3], [1.1, 1.2, 1.3],
[2.1, 2.2, 2.3], 0.5,
OCIO.Constants.TRANSFORM_DIR_INVERSE,
'foobar123', 'bar')
slope2 = cdl2.getSlope()
offset2 = cdl2.getOffset()
power2 = cdl2.getPower()
luma2 = cdl2.getSatLumaCoefs()
for i in range(0, 3):
self.assertAlmostEqual(float(i + 1) / 10.0, slope2[i], delta=1e-7)
self.assertAlmostEqual(float(i + 1) / 10.0 + 1,
offset2[i],
delta=1e-7)
self.assertAlmostEqual(float(i + 1) / 10.0 + 2,
power2[i],
delta=1e-7)
self.assertAlmostEqual(0.5, cdl2.getSat(), delta=1e-8)
self.assertAlmostEqual(0.2126, luma2[0], delta=1e-8)
self.assertAlmostEqual(0.7152, luma2[1], delta=1e-8)
self.assertAlmostEqual(0.0722, luma2[2], delta=1e-8)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
cdl2.getDirection())
self.assertEqual('foobar123', cdl2.getID())
self.assertEqual('bar', cdl2.getDescription())
cdl3 = OCIO.CDLTransform(
slope=[0.1, 0.2, 0.3],
offset=[1.1, 1.2, 1.3],
power=[2.1, 2.2, 2.3],
sat=0.5,
direction=OCIO.Constants.TRANSFORM_DIR_INVERSE,
id='foobar123',
description='bar')
slope3 = cdl2.getSlope()
offset3 = cdl2.getOffset()
power3 = cdl2.getPower()
luma3 = cdl2.getSatLumaCoefs()
for i in range(0, 3):
self.assertAlmostEqual(float(i + 1) / 10.0, slope3[i], delta=1e-7)
self.assertAlmostEqual(float(i + 1) / 10.0 + 1,
offset3[i],
delta=1e-7)
self.assertAlmostEqual(float(i + 1) / 10.0 + 2,
power3[i],
delta=1e-7)
self.assertAlmostEqual(0.5, cdl3.getSat(), delta=1e-8)
self.assertAlmostEqual(0.2126, luma3[0], delta=1e-8)
self.assertAlmostEqual(0.7152, luma3[1], delta=1e-8)
self.assertAlmostEqual(0.0722, luma3[2], delta=1e-8)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
cdl3.getDirection())
self.assertEqual('foobar123', cdl3.getID())
self.assertEqual('bar', cdl3.getDescription())
### ColorSpaceTransform ###
ct = OCIO.ColorSpaceTransform()
ct.setSrc("foo")
self.assertEqual("foo", ct.getSrc())
ct.setDst("bar")
self.assertEqual("bar", ct.getDst())
### DisplayTransform ###
dt = OCIO.DisplayTransform()
dt.setInputColorSpaceName("lin18")
self.assertEqual("lin18", dt.getInputColorSpaceName())
dt.setLinearCC(ct)
foo = dt.getLinearCC()
dt.setColorTimingCC(cdl)
blah = dt.getColorTimingCC()
dt.setChannelView(at)
wee = dt.getChannelView()
dt.setDisplay("sRGB")
self.assertEqual("sRGB", dt.getDisplay())
dt.setView("foobar")
self.assertEqual("foobar", dt.getView())
cdl.setXML(CC)
dt.setDisplayCC(cdl)
cdldt = dt.getDisplayCC()
self.assertEqual(CC, cdldt.getXML())
dt.setLooksOverride("darkgrade")
self.assertEqual("darkgrade", dt.getLooksOverride())
dt.setLooksOverrideEnabled(True)
self.assertEqual(True, dt.getLooksOverrideEnabled())
dt2 = OCIO.DisplayTransform("lin18", "sRGB", "foobar",
OCIO.Constants.TRANSFORM_DIR_INVERSE)
self.assertEqual("lin18", dt2.getInputColorSpaceName())
self.assertEqual("sRGB", dt2.getDisplay())
self.assertEqual("foobar", dt2.getView())
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
dt2.getDirection())
dt3 = OCIO.DisplayTransform(
inputColorSpaceName="lin18",
display="sRGB",
view="foobar",
direction=OCIO.Constants.TRANSFORM_DIR_INVERSE)
self.assertEqual("lin18", dt3.getInputColorSpaceName())
self.assertEqual("sRGB", dt3.getDisplay())
self.assertEqual("foobar", dt3.getView())
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_INVERSE,
dt3.getDirection())
### ExponentTransform ###
et = OCIO.ExponentTransform()
et.setValue([0.1, 0.2, 0.3, 0.4])
evals = et.getValue()
self.assertAlmostEqual(0.3, evals[2], delta=1e-7)
### FileTransform ###
ft = OCIO.FileTransform()
ft.setSrc("foo")
self.assertEqual("foo", ft.getSrc())
ft.setCCCId("foobar")
self.assertEqual("foobar", ft.getCCCId())
ft.setInterpolation(OCIO.Constants.INTERP_NEAREST)
self.assertEqual(OCIO.Constants.INTERP_NEAREST, ft.getInterpolation())
self.assertEqual(17, ft.getNumFormats())
self.assertEqual("flame", ft.getFormatNameByIndex(0))
self.assertEqual("3dl", ft.getFormatExtensionByIndex(0))
### GroupTransform ###
gt = OCIO.GroupTransform()
gt.push_back(et)
gt.push_back(ft)
self.assertEqual(2, gt.size())
self.assertEqual(False, gt.empty())
foo = gt.getTransform(0)
self.assertEqual(OCIO.Constants.TRANSFORM_DIR_FORWARD,
foo.getDirection())
gt.clear()
self.assertEqual(0, gt.size())
### LogTransform ###
lt = OCIO.LogTransform()
lt.setBase(10.0)
self.assertEqual(10.0, lt.getBase())
### LookTransform ###
lkt = OCIO.LookTransform()
lkt.setSrc("foo")
self.assertEqual("foo", lkt.getSrc())
lkt.setDst("bar")
self.assertEqual("bar", lkt.getDst())
lkt.setLooks("bar;foo")
self.assertEqual("bar;foo", lkt.getLooks())
### MatrixTransform ###
mt = OCIO.MatrixTransform()
mmt = mt.createEditableCopy()
mt.setValue([
0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3,
1.4, 1.5, 1.6
], [0.1, 0.2, 0.3, 0.4])
self.assertEqual(False, mt.equals(mmt))
m44_1, offset_1 = mt.getValue()
self.assertAlmostEqual(0.3, m44_1[2], delta=1e-7)
self.assertAlmostEqual(0.2, offset_1[1], delta=1e-7)
mt.setMatrix([
1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3,
2.4, 2.5, 2.6
])
m44_2 = mt.getMatrix()
self.assertAlmostEqual(1.3, m44_2[2], delta=1e-7)
mt.setOffset([1.1, 1.2, 1.3, 1.4])
offset_2 = mt.getOffset()
self.assertAlmostEqual(1.4, offset_2[3])
mt.Fit([0.1, 0.1, 0.1, 0.1], [0.9, 0.9, 0.9, 0.9],
[0.0, 0.0, 0.0, 0.0], [1.1, 1.1, 1.1, 1.1])
m44_3 = mt.getMatrix()
self.assertAlmostEqual(1.3, m44_3[2], delta=1e-7)
m44_3, offset_2 = mt.Identity()
self.assertAlmostEqual(0.0, m44_3[1], delta=1e-7)
m44_2, offset_2 = mt.Sat(0.5, [0.2126, 0.7152, 0.0722])
self.assertAlmostEqual(0.3576, m44_2[1], delta=1e-7)
m44_2, offset_2 = mt.Scale([0.9, 0.8, 0.7, 1.])
self.assertAlmostEqual(0.9, m44_2[0], delta=1e-7)
m44_2, offset_2 = mt.View([1, 1, 1, 0], [0.2126, 0.7152, 0.0722])
self.assertAlmostEqual(0.0722, m44_2[2], delta=1e-7)
mt4 = OCIO.MatrixTransform([
0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3,
1.4, 1.5, 1.6
], [0.1, 0.2, 0.3, 0.4], OCIO.Constants.TRANSFORM_DIR_INVERSE)
m44_4, offset_4 = mt4.getValue()
for i in range(0, 16):
self.assertAlmostEqual(float(i + 1) / 10.0, m44_4[i], delta=1e-7)
for i in range(0, 4):
self.assertAlmostEqual(float(i + 1) / 10.0,
offset_4[i],
delta=1e-7)
self.assertEqual(mt4.getDirection(),
OCIO.Constants.TRANSFORM_DIR_INVERSE)
mt5 = OCIO.MatrixTransform(
matrix=[
0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2,
1.3, 1.4, 1.5, 1.6
],
offset=[0.1, 0.2, 0.3, 0.4],
direction=OCIO.Constants.TRANSFORM_DIR_INVERSE)
m44_5, offset_5 = mt5.getValue()
for i in range(0, 16):
self.assertAlmostEqual(float(i + 1) / 10.0, m44_5[i], delta=1e-7)
for i in range(0, 4):
self.assertAlmostEqual(float(i + 1) / 10.0,
offset_5[i],
delta=1e-7)
self.assertEqual(mt5.getDirection(),
OCIO.Constants.TRANSFORM_DIR_INVERSE)
### TruelightTransform ###
"""
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
def setUp(self):
self.exp_tr = OCIO.ExponentTransform()
def test_interface(self):
_cfg = OCIO.Config().CreateFromStream(self.SIMPLE_PROFILE)
_cfge = _cfg.createEditableCopy()
_cfge.clearEnvironmentVars()
self.assertEqual(0, _cfge.getNumEnvironmentVars())
_cfge.addEnvironmentVar("FOO", "test1")
_cfge.addEnvironmentVar("FOO2", "test2${FOO}")
self.assertEqual(2, _cfge.getNumEnvironmentVars())
self.assertEqual("FOO", _cfge.getEnvironmentVarNameByIndex(0))
self.assertEqual("FOO2", _cfge.getEnvironmentVarNameByIndex(1))
self.assertEqual("test1", _cfge.getEnvironmentVarDefault("FOO"))
self.assertEqual("test2${FOO}", _cfge.getEnvironmentVarDefault("FOO2"))
self.assertEqual("test2test1",
_cfge.getCurrentContext().resolveStringVar("${FOO2}"))
self.assertEqual({
'FOO': 'test1',
'FOO2': 'test2${FOO}'
}, _cfge.getEnvironmentVarDefaults())
_cfge.clearEnvironmentVars()
self.assertEqual(0, _cfge.getNumEnvironmentVars())
self.assertEqual("luts", _cfge.getSearchPath())
_cfge.setSearchPath("otherdir")
self.assertEqual("otherdir", _cfge.getSearchPath())
_cfge.sanityCheck()
_cfge.setDescription("testdesc")
self.assertEqual("testdesc", _cfge.getDescription())
self.assertEqual(self.SIMPLE_PROFILE, _cfg.serialize())
#self.assertEqual("$07d1fb1509eeae1837825fd4242f8a69:$885ad1683add38a11f7bbe34e8bf9ac0",
# _cfg.getCacheID())
con = _cfg.getCurrentContext()
self.assertNotEqual(0, con.getNumStringVars())
#self.assertEqual("", _cfg.getCacheID(con))
#self.assertEqual("", _cfge.getWorkingDir())
_cfge.setWorkingDir("/foobar")
self.assertEqual("/foobar", _cfge.getWorkingDir())
self.assertEqual(3, _cfge.getNumColorSpaces())
self.assertEqual("lnh", _cfge.getColorSpaceNameByIndex(1))
lnh = _cfge.getColorSpace("lnh")
self.assertEqual("ln", lnh.getFamily())
self.assertEqual(0, _cfge.getIndexForColorSpace("foobar"))
cs = OCIO.ColorSpace()
cs.setName("blah")
_cfge.addColorSpace(cs)
self.assertEqual(3, _cfge.getIndexForColorSpace("blah"))
#_cfge.clearColorSpaces()
#_cfge.parseColorSpaceFromString("foo")
self.assertEqual(False, _cfg.isStrictParsingEnabled())
_cfge.setStrictParsingEnabled(True)
self.assertEqual(True, _cfge.isStrictParsingEnabled())
self.assertEqual(2, _cfge.getNumRoles())
self.assertEqual(False, _cfg.hasRole("foo"))
_cfge.setRole("foo", "vd8")
self.assertEqual(3, _cfge.getNumRoles())
self.assertEqual(True, _cfge.hasRole("foo"))
self.assertEqual("foo", _cfge.getRoleName(1))
self.assertEqual("sRGB", _cfge.getDefaultDisplay())
self.assertEqual(1, _cfge.getNumDisplays())
self.assertEqual("sRGB", _cfge.getDisplay(0))
self.assertEqual("Film1D", _cfge.getDefaultView("sRGB"))
self.assertEqual(2, _cfge.getNumViews("sRGB"))
self.assertEqual("Raw", _cfge.getView("sRGB", 1))
self.assertEqual("vd8",
_cfge.getDisplayColorSpaceName("sRGB", "Film1D"))
self.assertEqual("", _cfg.getDisplayLooks("sRGB", "Film1D"))
_cfge.addDisplay("foo", "bar", "foo", "wee")
_cfge.clearDisplays()
_cfge.setActiveDisplays("sRGB")
self.assertEqual("sRGB", _cfge.getActiveDisplays())
_cfge.setActiveViews("Film1D")
self.assertEqual("Film1D", _cfge.getActiveViews())
luma = _cfge.getDefaultLumaCoefs()
self.assertAlmostEqual(0.2126, luma[0], delta=1e-8)
_cfge.setDefaultLumaCoefs([0.1, 0.2, 0.3])
tnewluma = _cfge.getDefaultLumaCoefs()
self.assertAlmostEqual(0.1, tnewluma[0], delta=1e-8)
self.assertEqual(0, _cfge.getNumLooks())
lk = OCIO.Look()
lk.setName("coollook")
lk.setProcessSpace("somespace")
et = OCIO.ExponentTransform()
et.setValue([0.1, 0.2, 0.3, 0.4])
lk.setTransform(et)
iet = OCIO.ExponentTransform()
iet.setValue([-0.1, -0.2, -0.3, -0.4])
lk.setInverseTransform(iet)
_cfge.addLook(lk)
self.assertEqual(1, _cfge.getNumLooks())
self.assertEqual("coollook", _cfge.getLookNameByIndex(0))
glk = _cfge.getLook("coollook")
self.assertEqual("somespace", glk.getProcessSpace())
_cfge.clearLooks()
self.assertEqual(0, _cfge.getNumLooks())
#getProcessor(context, srcColorSpace, dstColorSpace)
#getProcessor(context, srcName,dstName);
#getProcessor(transform);
#getProcessor(transform, direction);
#getProcessor(context, transform, direction);
_proc = _cfg.getProcessor("lnh", "vd8")
self.assertEqual(False, _proc.isNoOp())
self.assertEqual(True, _proc.hasChannelCrosstalk())
#float packedpix[] = new float[]{0.48f, 0.18f, 0.9f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f,
# 0.48f, 0.18f, 0.18f, 1.0f };
#FloatBuffer buf = ByteBuffer.allocateDirect(2 * 2 * 4 * Float.SIZE / 8).asFloatBuffer();
#buf.put(packedpix);
#PackedImageDesc foo = new PackedImageDesc(buf, 2, 2, 4);
#_proc.apply(foo);
#FloatBuffer wee = foo.getData();
#self.assertEqual(-2.4307251581696764E-35f, wee.get(2), 1e-8);
# TODO: these should work in-place
rgbfoo = _proc.applyRGB([0.48, 0.18, 0.18])
self.assertAlmostEqual(1.9351075, rgbfoo[0], delta=1e-7)
# TODO: these should work in-place
rgbafoo = _proc.applyRGBA([0.48, 0.18, 0.18, 1.0])
self.assertAlmostEqual(1.0, rgbafoo[3], delta=1e-8)
#self.assertEqual("$a92ef63abd9edf61ad5a7855da064648", _proc.getCpuCacheID())
del _cfge
del _cfg
config=config,
family="Log Encodings",
name="AgX Log (Kraken)",
description="AgX Log, (Kraken)",
aliases=["Log", "AgX Log", "Kraken", "AgX Kraken Log"],
transforms=transform_list
)
####
# Utilities
####
# Define a generic 2.2 Electro Optical Transfer Function
transform_list = [
PyOpenColorIO.ExponentTransform(
value=[2.2, 2.2, 2.2, 1.0],
direction=PyOpenColorIO.TransformDirection.TRANSFORM_DIR_INVERSE
)
]
config, colourspace = AgX.add_colourspace(
config=config,
family="Utilities/Curves",
name="2.2 EOTF Encoding",
description="2.2 Exponent EOTF Encoding",
aliases=["2.2 EOTF Encoding", "sRGB EOTF Encoding"],
transforms=transform_list
)
# Define a generic 2.4 Electro Optical Transfer Function
transform_list = [
PyOpenColorIO.ExponentTransform(
# colorspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_LG2)
transform_bt709_to_xyz = PyOpenColorIO.MatrixTransform(ocio_bt709_to_xyz)
transform_bt2020_to_xyz = PyOpenColorIO.MatrixTransform(ocio_bt2020_to_xyz)
transform_bt2020_to_xyz.setDirection(
PyOpenColorIO.Constants.TRANSFORM_DIR_INVERSE)
transform = PyOpenColorIO.GroupTransform()
transform.setTransforms([transform_bt709_to_xyz, transform_bt2020_to_xyz])
colorspace.setTransform(
transform, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(colorspace)
# Full colorimetric sRGB 2.2 transform
colorspace = PyOpenColorIO.ColorSpace(family="Colorimetry",
name="BT.709 E2.2 Nonlinear")
colorspace.setDescription("Colorimetric BT.709 2.2 Transfer")
transform_transfer = PyOpenColorIO.ExponentTransform()
transform_transfer.setValue([2.2, 2.2, 2.2, 1.])
# This should likely be a *nonlinear* transfer function
# to scale the range down to 80 nits but hold middle grey
# at 18-20 nit range.
transform_scale = PyOpenColorIO.AllocationTransform()
transform_scale.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_scale.setVars([0.0, 1.25])
transform_colorimetry = PyOpenColorIO.ColorSpaceTransform()
transform_colorimetry.setSrc("BT.709 SR Linear")
transform_colorimetry.setDst("BT.2020 SR Linear")
transform = PyOpenColorIO.GroupTransform()
transform.setTransforms(
[transform_transfer, transform_scale, transform_colorimetry])
colorspace.setTransform(
if not os.path.exists(build_directory):
os.makedirs(build_directory)
logging.basicConfig()
logging.getLogger().setLevel(logging.INFO)
# "OpenColorIO 1" configuration.
colorspace_1 = colorspace_factory('Gamut - sRGB', 'Gamut')
colorspace_2 = colorspace_factory(
'CCTF - sRGB',
'CCTF',
description=('WARNING: The sRGB "EOTF" is purposely incorrect and '
'only a placeholder!'),
to_reference_transform=ocio.ExponentTransform([2.2, 2.2, 2.2, 1]))
colorspace_3 = colorspace_factory(
'Colorspace - sRGB',
'Colorspace',
to_reference_transform=ocio.ColorSpaceTransform(
'CCTF - sRGB', 'Gamut - sRGB'))
colorspace_4 = colorspace_factory('View - sRGB Monitor - sRGB',
'View',
base_colorspace=colorspace_3)
colorspace_5 = colorspace_factory('Utility - Raw', 'Utility', is_data=True)
data = ConfigData(
roles={'Gamut - sRGB': ocio.ROLE_SCENE_LINEAR},
t = OCIO.FileTransform('cineon.spi1d', interpolation=OCIO.Constants.INTERP_LINEAR)
cs.setTransform(t, OCIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(cs)
###############################################################################
cs = OCIO.ColorSpace(name='Gamma1.8')
cs.setDescription("Emulates a idealized Gamma 1.8 display device.")
cs.setBitDepth(OCIO.Constants.BIT_DEPTH_F32)
cs.setAllocation(OCIO.Constants.ALLOCATION_UNIFORM)
cs.setAllocationVars([0.0, 1.0])
t = OCIO.ExponentTransform(value=(1.8,1.8,1.8,1.0))
cs.setTransform(t, OCIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(cs)
cs = OCIO.ColorSpace(name='Gamma2.2')
cs.setDescription("Emulates a idealized Gamma 2.2 display device.")
cs.setBitDepth(OCIO.Constants.BIT_DEPTH_F32)
cs.setAllocation(OCIO.Constants.ALLOCATION_UNIFORM)
cs.setAllocationVars([0.0, 1.0])
t = OCIO.ExponentTransform(value=(2.2,2.2,2.2,1.0))
cs.setTransform(t, OCIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(cs)
###############################################################################
def make_transforms(transform_path, config):
sRGB_domain = numpy.array([0.0, 1.0])
sRGB_tf_to_linear_LUT = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_decoding(
colour.LUT1D.linear_table(1024, sRGB_domain)),
name="sRGB to Linear",
domain=sRGB_domain,
comments=["sRGB CCTF to Display Linear"])
sRGB_linear_to_tf_LUT = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_encoding(
colour.LUT1D.linear_table(8192, sRGB_domain)),
name="Linear to sRGB",
domain=sRGB_domain,
comments=["sRGB Display Linear to CCTF"])
path = os.path.join(transform_path, "sRGB_CCTF_to_Linear.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_tf_to_linear_LUT, path=path, decimals=10)
path = os.path.join(transform_path, "sRGB_Linear_to_CCTF.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_linear_to_tf_LUT, path=path, decimals=10)
# Off-domain 1D variant
sRGB_domain_variant = numpy.array([-0.125, 4.875])
sRGB_tf_to_linear_LUT_variant = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_decoding(
colour.LUT1D.linear_table(1024, sRGB_domain_variant)),
name="sRGB to Linear Variant",
domain=sRGB_domain_variant,
comments=["sRGB CCTF to Display Linear"])
sRGB_linear_to_tf_LUT_variant = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_encoding(
colour.LUT1D.linear_table(8192, sRGB_domain_variant)),
name="Linear to sRGB Variant",
domain=sRGB_domain_variant,
comments=["sRGB Display Linear to CCTF"])
path = os.path.join(transform_path, "sRGB_CCTF_to_Linear_variant.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_tf_to_linear_LUT_variant, path=path, decimals=10)
path = os.path.join(transform_path, "sRGB_Linear_to_CCTF_variant.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_linear_to_tf_LUT_variant, path=path, decimals=10)
# Define the sRGB specification
colourspace = PyOpenColorIO.ColorSpace(family="Colourspace",
name="sRGB Colourspace")
colourspace.setDescription("sRGB IEC 61966-2-1 Colourspace")
colourspace.setBitDepth(PyOpenColorIO.Constants.BIT_DEPTH_F32)
colourspace.setAllocationVars([0.0, 1.0])
colourspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_to = PyOpenColorIO.FileTransform(
"sRGB_CCTF_to_Linear.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
transform_from = PyOpenColorIO.FileTransform(
"sRGB_Linear_to_CCTF.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
colourspace.setTransform(
transform_to, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
colourspace.setTransform(
transform_from, PyOpenColorIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(colourspace)
# Define the sRGB specification for the variation
colourspace = PyOpenColorIO.ColorSpace(family="Colourspace",
name="sRGB Colourspace Variant")
colourspace.setDescription("sRGB IEC 61966-2-1 Colourspace variant")
colourspace.setBitDepth(PyOpenColorIO.Constants.BIT_DEPTH_F32)
colourspace.setAllocationVars([-0.125, 1.125])
colourspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_to = PyOpenColorIO.FileTransform(
"sRGB_CCTF_to_Linear_variant.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
transform_from = PyOpenColorIO.FileTransform(
"sRGB_Linear_to_CCTF_variant.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
colourspace.setTransform(
transform_to, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
colourspace.setTransform(
transform_from, PyOpenColorIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(colourspace)
# Define the commodity sRGB transform
colourspace = PyOpenColorIO.ColorSpace(family="Colourspace",
name="BT.709 2.2 CCTF Colourspace")
colourspace.setDescription("Commodity Display BT.709 2.2 CCTF Colourspace")
colourspace.setBitDepth(PyOpenColorIO.Constants.BIT_DEPTH_F32)
colourspace.setAllocationVars([0.0, 1.0])
colourspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_to = PyOpenColorIO.ExponentTransform([2.2, 2.2, 2.2, 1.0])
transform_from = PyOpenColorIO.ExponentTransform([2.2, 2.2, 2.2, 1.0])
transform_from.setDirection(PyOpenColorIO.Constants.TRANSFORM_DIR_INVERSE)
colourspace.setTransform(
transform_to, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
colourspace.setTransform(
transform_from, PyOpenColorIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(colourspace)
def make_transforms(transform_path, config):
# The canonized sRGB transform
# Due to the nature of the GPU issues in OpenColorIO v1.1.1, this
# 1D LUT oversamples the sRGB transfer function range to have
# correct results via the GPU.
#
# It also adds a faster inverse transform instead of a lookup for
# output processing speed. It must be larger as a result, due to
# quantisation issues in the linear domain.
sRGB_domain = numpy.array([-0.125, 3.0])
sRGB_tf_to_linear_LUT = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_decoding(
colour.LUT1D.linear_table(1024, sRGB_domain)),
name="sRGB to Linear",
domain=sRGB_domain,
comments=["sRGB CCTF to Display Linear"])
sRGB_linear_to_tf_LUT_variant = colour.LUT1D(
table=models.sRGB_COLOURSPACE.cctf_encoding(
colour.LUT1D.linear_table(8192, sRGB_domain)),
name="Linear to sRGB",
domain=sRGB_domain,
comments=["sRGB Display Linear to CCTF"])
path = os.path.join(transform_path, "sRGB_CCTF_to_Linear.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_tf_to_linear_LUT, path=path, decimals=10)
path = os.path.join(transform_path, "sRGB_Linear_to_CCTF.spi1d")
create_directory(path)
io.write_LUT(LUT=sRGB_linear_to_tf_LUT_variant, path=path, decimals=10)
# Define the sRGB specification
colourspace = PyOpenColorIO.ColorSpace(family="Colourspace",
name="sRGB Colourspace")
colourspace.setDescription("sRGB IEC 61966-2-1 Colourspace")
colourspace.setBitDepth(PyOpenColorIO.Constants.BIT_DEPTH_F32)
colourspace.setAllocationVars([0.0, 1.0])
colourspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_to = PyOpenColorIO.FileTransform(
"sRGB_CCTF_to_Linear.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
transform_from = PyOpenColorIO.FileTransform(
"sRGB_Linear_to_CCTF.spi1d",
interpolation=PyOpenColorIO.Constants.INTERP_NEAREST)
colourspace.setTransform(
transform_to, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
colourspace.setTransform(
transform_from, PyOpenColorIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(colourspace)
# Define the commodity sRGB transform
colourspace = PyOpenColorIO.ColorSpace(family="Colourspace",
name="BT.709 2.2 CCTF Colourspace")
colourspace.setDescription("Commodity Display BT.709 2.2 CCTF Colourspace")
colourspace.setBitDepth(PyOpenColorIO.Constants.BIT_DEPTH_F32)
colourspace.setAllocationVars([0.0, 1.0])
colourspace.setAllocation(PyOpenColorIO.Constants.ALLOCATION_UNIFORM)
transform_to = PyOpenColorIO.ExponentTransform([2.2, 2.2, 2.2, 1.0])
transform_from = PyOpenColorIO.ExponentTransform([2.2, 2.2, 2.2, 1.0])
transform_from.setDirection(PyOpenColorIO.Constants.TRANSFORM_DIR_INVERSE)
colourspace.setTransform(
transform_to, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
colourspace.setTransform(
transform_from, PyOpenColorIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(colourspace)