def test_validate(self):
"""
Test the validate().
"""
ct = OCIO.ColorSpaceTransform()
ct.setSrc("src")
ct.setDst("dst")
ct.validate()
# Src has to be non-empty.
ct.setSrc("")
with self.assertRaises(OCIO.Exception):
ct.validate()
ct.setSrc("src")
# Dst has to be non-empty.
ct.setDst("")
with self.assertRaises(OCIO.Exception):
ct.validate()
ct.setDst("dst")
# Direction can't be unknown.
for direction in OCIO.TransformDirection.__members__.values():
ct.setDirection(direction)
if direction != OCIO.TRANSFORM_DIR_UNKNOWN:
self.assertIsNone(ct.validate())
else:
with self.assertRaises(OCIO.Exception):
ct.validate()
def load_input_transform(config, gt, base_path, input_elem):
""" Add an OCIO transform to the supplied group transform to implement an ACES Input Transform. """
#
# InputTransform ACES transformId case.
#
id_elem = input_elem.find('./aces:transformId', namespaces=NS)
if id_elem is not None:
aces_id = id_elem.text
cs_name = search_colorspaces(config, aces_id)
if cs_name is not None:
print('Adding Input Transform from', cs_name, 'to ACES2065-1')
gt.appendTransform( ocio.ColorSpaceTransform(cs_name, ACES, ocio.TRANSFORM_DIR_FORWARD) )
return
else:
raise ValueError("Could not find transform for transformId element: " + aces_id)
#
# InputTransform external LUT file case.
#
file_elem = input_elem.find('./aces:file', namespaces=NS)
if file_elem is not None:
lut_path = file_elem.text
if lut_path is not None:
lut_path = check_lut_path(base_path, lut_path)
print('Adding Input Transform LUT file:', lut_path)
gt.appendTransform( ocio.FileTransform(lut_path, '', ocio.INTERP_BEST, ocio.TRANSFORM_DIR_FORWARD) )
return
#
# InputTransform is an inverse OutputTransform case.
#
load_output_transform(config, gt, base_path, input_elem, is_inverse=True)
def test_dst(self):
"""
Test setDst() and getDst().
"""
ct = OCIO.ColorSpaceTransform()
for dst in self.TEST_COLORSPACE:
ct.setDst(dst)
self.assertEqual(dst, ct.getDst())
def test_src(self):
"""
Test setSrc() and getSrc().
"""
ct = OCIO.ColorSpaceTransform()
for src in self.TEST_COLORSPACE:
ct.setSrc(src)
self.assertEqual(src, ct.getSrc())
def test_constructor_wrong_parameter_type(self):
"""
Test ColorSpaceTransform constructor with a wrong parameter type.
"""
for invalid in (None, 1):
with self.assertRaises(TypeError):
cs_tr = OCIO.ColorSpaceTransform(invalid)
def test_data_bypass(self):
"""
Test setDataBypass() and getDataBypass().
"""
ct = OCIO.ColorSpaceTransform()
ct.setDataBypass(False)
self.assertEqual(False, ct.getDataBypass())
ct.setDataBypass(True)
self.assertEqual(True, ct.getDataBypass())
def load_cdl_working_space_transform(config, base_path, look_elem, is_to_direc):
""" Return an OCIO transform for a CDL to/from working space transform. """
if is_to_direc:
token = 'aces:toCdlWorkingSpace'
else:
token = 'aces:fromCdlWorkingSpace'
elem = look_elem.find(token, namespaces=NS)
if elem is not None:
#
# ACES transformId case.
#
id_elem = elem.find('./aces:transformId', namespaces=NS)
if id_elem is not None:
aces_id = id_elem.text
cs_name = search_colorspaces(config, aces_id)
if cs_name is not None:
if is_to_direc:
print(' Loading To-CDL-Working-Space Transform from ACES2065-1 to', cs_name)
transform = ocio.ColorSpaceTransform(ACES, cs_name, ocio.TRANSFORM_DIR_FORWARD)
else:
print(' Loading From-CDL-Working-Space Transform from', cs_name, 'to ACES2065-1')
transform = ocio.ColorSpaceTransform(cs_name, ACES, ocio.TRANSFORM_DIR_FORWARD)
return transform
else:
raise ValueError("Could not find transform for transformId element: " + aces_id)
#
# External LUT file case.
#
file_elem = elem.find('./aces:file', namespaces=NS)
if file_elem is not None:
lut_path = file_elem.text
if lut_path is not None:
lut_path = check_lut_path(base_path, lut_path)
if is_to_direc:
print(' Loading To-CDL-Working-Space Transform file:', lut_path)
else:
print(' Loading From-CDL-Working-Space Transform file:', lut_path)
transform = ocio.FileTransform(lut_path, '', ocio.INTERP_BEST, ocio.TRANSFORM_DIR_FORWARD)
return transform
return None
def test_direction(self):
"""
Test the setDirection() and getDirection() methods.
"""
ct = OCIO.ColorSpaceTransform()
for direction in OCIO.TransformDirection.__members__.values():
# Setting the unknown direction preserves the current direction.
if direction != OCIO.TRANSFORM_DIR_UNKNOWN:
ct.setDirection(direction)
self.assertEqual(direction, ct.getDirection())
def test_constructor_with_positional(self):
"""
Test ColorSpaceTransform constructor without keywords and validate its values.
"""
cs_tr = OCIO.ColorSpaceTransform(self.TEST_SRC, self.TEST_DST,
self.TEST_DIRECTION)
self.assertEqual(cs_tr.getDirection(), self.TEST_DIRECTION)
self.assertEqual(cs_tr.getSrc(), self.TEST_SRC)
self.assertEqual(cs_tr.getDst(), self.TEST_DST)
def test_constructor_with_keyword(self):
"""
Test ColorSpaceTransform constructor with keywords and validate its values.
"""
# With keywords in their proper order.
cs_tr = OCIO.ColorSpaceTransform(src=self.TEST_SRC,
dst=self.TEST_DST,
direction=self.TEST_DIRECTION)
self.assertEqual(cs_tr.getDirection(), self.TEST_DIRECTION)
self.assertEqual(cs_tr.getSrc(), self.TEST_SRC)
self.assertEqual(cs_tr.getDst(), self.TEST_DST)
# With keywords not in their proper order.
cs_tr2 = OCIO.ColorSpaceTransform(direction=self.TEST_DIRECTION,
src=self.TEST_SRC,
dst=self.TEST_DST)
self.assertEqual(cs_tr2.getDirection(), self.TEST_DIRECTION)
self.assertEqual(cs_tr2.getSrc(), self.TEST_SRC)
self.assertEqual(cs_tr2.getDst(), self.TEST_DST)
def convertImage(filename = '',fileOutName = '',format='tif'):
# open the file
inputFile = oiio.ImageInput.open(filename)
# check if the input file is valid
if not inputFile:
print 'Could not open: "' + filename + '"'
print '\tError: "', oiio.geterror()
return
# get the spec of the input file
spec = inputFile.spec()
nchans = spec.nchannels
# read the image and return the pixels as array type
pixels = inputFile.read_image(oiio.FLOAT)
# check that the pixels are ok
if not pixels:
print 'Could not read:', inputFile.geterror()
return
inputFile.close() #we're done with the file at this point
# open the OCIO config
config = OCIO.GetCurrentConfig()
#"""
transform = OCIO.ColorSpaceTransform()
transform.setSrc('srgb8')
transform.setDst('acescg')
#transform.setDirection(OCIO.Constants.TRANSFORM_DIR_INVERSE)
processor = config.getProcessor(transform)
#"""
"""
# get the processor to transform from srgb8 to acescg space
processor = config.getProcessor('srgb8','acescg')
#processor = config.getProcessor('linear','srgb8')
"""
# apply the transform
buf = processor.applyRGBA(pixels)
# convert the list to an array type
imgTrans = array('f',[0,0,0,0])
imgTrans.fromlist(buf)
# create an output image
output = oiio.ImageOutput.create(fileOutName)
# if tif format output as 16bit otherwise 8bit
# if format != 'tif':
# spec.set_format(oiio.UINT8)
# else:
# spec.set_format(oiio.UINT16)
spec.set_format(oiio.HALF)
# open and write the data transformed
output.open(fileOutName,spec,oiio.Create)
output.write_image(imgTrans)
output.close()
print 'done'
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 test_constructor(self):
"""
Test ColorSpaceTransform constructor without and with keywords.
"""
ct = OCIO.ColorSpaceTransform()
self.assertEqual("", ct.getSrc())
self.assertEqual("", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_FORWARD, ct.getDirection())
self.assertEqual(True, ct.getDataBypass())
ct = OCIO.ColorSpaceTransform("src", "dst")
self.assertEqual("src", ct.getSrc())
self.assertEqual("dst", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_FORWARD, ct.getDirection())
self.assertEqual(True, ct.getDataBypass())
ct = OCIO.ColorSpaceTransform("src", "dst", OCIO.TRANSFORM_DIR_INVERSE)
self.assertEqual("src", ct.getSrc())
self.assertEqual("dst", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_INVERSE, ct.getDirection())
self.assertEqual(True, ct.getDataBypass())
ct = OCIO.ColorSpaceTransform("src", "dst", OCIO.TRANSFORM_DIR_INVERSE,
False)
self.assertEqual("src", ct.getSrc())
self.assertEqual("dst", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_INVERSE, ct.getDirection())
self.assertEqual(False, ct.getDataBypass())
ct = OCIO.ColorSpaceTransform(src="src", dst="dst", dataBypass=False)
self.assertEqual("src", ct.getSrc())
self.assertEqual("dst", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_FORWARD, ct.getDirection())
self.assertEqual(False, ct.getDataBypass())
ct = OCIO.ColorSpaceTransform(src="src",
dst="dst",
dir=OCIO.TRANSFORM_DIR_INVERSE,
dataBypass=False)
self.assertEqual("src", ct.getSrc())
self.assertEqual("dst", ct.getDst())
self.assertEqual(OCIO.TRANSFORM_DIR_INVERSE, ct.getDirection())
self.assertEqual(False, ct.getDataBypass())
# Src & dst can't be omitted and can't be empty.
with self.assertRaises(OCIO.Exception):
ct = OCIO.ColorSpaceTransform(dst="dst")
with self.assertRaises(OCIO.Exception):
ct = OCIO.ColorSpaceTransform(src="src")
with self.assertRaises(OCIO.Exception):
ct = OCIO.ColorSpaceTransform(src="", dst="dst")
with self.assertRaises(OCIO.Exception):
ct = OCIO.ColorSpaceTransform(src="src", dst="")
with self.assertRaises(OCIO.Exception):
ct = OCIO.ColorSpaceTransform("src", "")
def _perform(self):
"""
Perform the task.
"""
import OpenImageIO as oiio
import PyOpenColorIO as ocio
sourceColorSpace = self.option('sourceColorSpace')
targetColorSpace = self.option('targetColorSpace')
metadata = {
'sourceColorSpace': sourceColorSpace,
'targetColorSpace': targetColorSpace
}
# open color io configuration
config = self.ocioConfig()
for crawler in self.crawlers():
# resolving the lut path
lut = self.templateOption('lut', crawler=crawler)
# adding color space transform
groupTransform = ocio.GroupTransform()
groupTransform.push_back(
ocio.ColorSpaceTransform(src=sourceColorSpace,
dst=targetColorSpace))
# adding lut transform
groupTransform.push_back(
ocio.FileTransform(lut,
interpolation=ocio.Constants.INTERP_LINEAR))
# source image
sourceImage = oiio.ImageInput.open(crawler.var('filePath'))
spec = sourceImage.spec()
spec.set_format(oiio.FLOAT)
metadata['lutFile'] = lut
pixels = sourceImage.read_image()
sourceImage.close()
transformedPixels = config.getProcessor(groupTransform).applyRGB(
pixels)
targetFilePath = self.target(crawler)
# trying to create the directory automatically in case it does not exist
try:
os.makedirs(os.path.dirname(targetFilePath))
except OSError:
pass
targetImage = oiio.ImageOutput.create(targetFilePath)
# centipede metadata information
UpdateImageMetadata.updateDefaultMetadata(spec, crawler, metadata)
success = targetImage.open(targetFilePath, spec, oiio.Create)
# saving target image
if success:
writePixels = array('d')
writePixels.fromlist(transformedPixels)
targetImage.write_image(writePixels)
else:
raise Exception(oiio.geterror())
# default result based on the target filePath
return super(FileColorTransformation, self)._perform()
config=config,
family="Utilities/Curves",
name="2.4 EOTF Encoding",
description="2.4 Exponent EOTF Encoding",
aliases=["2.4 EOTF Encoding", "BT.1886 EOTF Encoding"],
transforms=transform_list
)
####
# Displays
####
# Define the specification sRGB Display colourspace
transform_list = [
PyOpenColorIO.ColorSpaceTransform(
src="Linear BT.709",
dst="2.2 EOTF Encoding"
)
]
config, colourspace = AgX.add_colourspace(
config=config,
family="Displays/SDR",
name="sRGB",
description="sRGB IEC 61966-2-1 2.2 Exponent Reference EOTF Display",
transforms=transform_list,
referencespace=PyOpenColorIO.ReferenceSpaceType.REFERENCE_SPACE_SCENE
)
# TODO: Move this to a different section.
AgX.add_view(
displays, "sRGB", "Display Native", "sRGB"
def setUp(self):
self.tr = OCIO.ColorSpaceTransform()
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(
transform, PyOpenColorIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(colorspace)
# Full colorimetric BT.2020 ST.2084 transform
colorspace = PyOpenColorIO.ColorSpace(family="Colorimetry",
name="BT.2020 ST.2084 Nonlinear")
colorspace.setDescription("Colorimetric BT.2020 ST.2084 Transfer")
transform_scale = PyOpenColorIO.MatrixTransform(ocio_st2084_scale)
cs.setAllocationVars([-8.0, 5.0, 0.00390625])
cs.setAllocation(OCIO.Constants.ALLOCATION_LG2)
gt = OCIO.GroupTransform()
gt.push_back(
OCIO.FileTransform("ProPhotoRGB_to_AP0.spimtx",
direction=OCIO.Constants.TRANSFORM_DIR_FORWARD))
cs.setTransform(gt, OCIO.Constants.COLORSPACE_DIR_TO_REFERENCE)
config.addColorSpace(cs)
# Output transforms
cs = OCIO.ColorSpace(name="Output - Rec.709", family="Output")
cs.setDescription("ACES Rec.709 output transform")
cs.setBitDepth(OCIO.Constants.BIT_DEPTH_F32)
gt = OCIO.GroupTransform()
gt.push_back(
OCIO.ColorSpaceTransform(src="ACES - ACES2065-1",
dst="Utility - Log2 48 nits Shaper"))
gt.push_back(
OCIO.FileTransform("Log2_48_nits_Shaper.RRT.a1.0.1.Rec.709.spi3d",
interpolation=OCIO.Constants.INTERP_TETRAHEDRAL,
direction=OCIO.Constants.TRANSFORM_DIR_FORWARD))
cs.setTransform(gt, OCIO.Constants.COLORSPACE_DIR_FROM_REFERENCE)
config.addColorSpace(cs)
# Utility transforms
cs = OCIO.ColorSpace(name="Utility - Raw", family="Utility")
cs.setDescription("Raw data")
cs.setBitDepth(OCIO.Constants.BIT_DEPTH_F32)
cs.setIsData(True)
config.addColorSpace(cs)
cs = OCIO.ColorSpace(name="Utility - Log2 48 nits Shaper", family="Utility")
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},
colorspaces=[
colorspace_1, colorspace_2, colorspace_3, colorspace_4,
colorspace_5
],
views=[
{
