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=[ {