def testOverwrite(self):
r = GafferImage.ImageReader()
r["fileName"].setValue(self.checkerFile)
inMetadata = r["out"]["metadata"].getValue()
a = GafferImage.ImageMetadata()
a["metadata"].addMember("compression",
IECore.StringData("extraFancyCompressor"))
m = GafferImage.CopyImageMetadata()
m["in"].setInput(r["out"])
m["copyFrom"].setInput(a["out"])
# check that the image is passed through
m["names"].setValue("")
metadata = m["out"]["metadata"].getValue()
self.assertEqual(metadata["compression"], IECore.StringData("zips"))
self.assertEqual(m["out"]["metadata"].getValue(), inMetadata)
self.assertEqual(m["out"].image(), r["out"].image())
# check that we can overwrite certain metadata
m["names"].setValue("compression")
metadata = m["out"]["metadata"].getValue()
self.assertTrue("compression" in metadata.keys())
self.assertEqual(metadata["compression"],
IECore.StringData("extraFancyCompressor"))
def testDirtyPropogation(self):
c = GafferImage.Constant()
r = GafferImage.ImageReader()
r["fileName"].setValue(self.checkerFile)
inMetadata = r["out"]["metadata"].getValue()
m = GafferImage.CopyImageMetadata()
m["in"].setInput(c["out"])
m["copyFrom"].setInput(r["out"])
cs = GafferTest.CapturingSlot(m.plugDirtiedSignal())
m["copyFrom"].setInput(c["out"])
self.assertTrue(m["out"]["metadata"] in set(e[0] for e in cs))
del cs[:]
m["names"].setValue("test")
self.assertTrue(m["out"]["metadata"] in set(e[0] for e in cs))
del cs[:]
m["invertNames"].setValue(True)
self.assertTrue(m["out"]["metadata"] in set(e[0] for e in cs))
def testPassThrough(self):
c = GafferImage.Constant()
i = GafferImage.ImageReader()
i["fileName"].setValue(self.checkerFile)
m = GafferImage.CopyImageMetadata()
m["in"].setInput(i["out"])
m["names"].setValue("*")
self.assertEqual(i["out"]["format"].hash(), m["out"]["format"].hash())
self.assertEqual(i["out"]["dataWindow"].hash(),
m["out"]["dataWindow"].hash())
self.assertEqual(i["out"]["channelNames"].hash(),
m["out"]["channelNames"].hash())
self.assertEqual(i["out"]["format"].getValue(),
m["out"]["format"].getValue())
self.assertEqual(i["out"]["dataWindow"].getValue(),
m["out"]["dataWindow"].getValue())
self.assertEqual(i["out"]["channelNames"].getValue(),
m["out"]["channelNames"].getValue())
context = Gaffer.Context()
context["image:tileOrigin"] = IECore.V2i(0)
with context:
for c in ["G", "B", "A"]:
context["image:channelName"] = c
self.assertEqual(i["out"]["channelData"].hash(),
m["out"]["channelData"].hash())
self.assertEqual(i["out"]["channelData"].getValue(),
m["out"]["channelData"].getValue())
def test(self):
r = GafferImage.ImageReader()
r["fileName"].setValue(self.checkerFile)
inMetadata = r["out"]["metadata"].getValue()
d = GafferImage.DeleteImageMetadata()
d["in"].setInput(r["out"])
d["names"].setValue("*")
m = GafferImage.CopyImageMetadata()
m["in"].setInput(d["out"])
m["copyFrom"].setInput(r["out"])
m["names"].setValue("")
# check that the image is passed through
metadata = m["out"]["metadata"].getValue()
self.assertEqual(m["out"]["metadata"].getValue(),
IECore.CompoundData())
self.assertEqual(m["out"].image(), d["out"].image())
# check that we can copy specific metadata
m["names"].setValue("screen* compression")
metadata = m["out"]["metadata"].getValue()
expected = set(
["screenWindowWidth", "screenWindowCenter", "compression"])
self.assertEqual(set(metadata.keys()), expected)
for key in metadata.keys():
self.assertEqual(metadata[key], inMetadata[key])
# check that we can invert the selection
m["invertNames"].setValue(True)
metadata = m["out"]["metadata"].getValue()
expected = set(inMetadata.keys()) - set(
["screenWindowWidth", "screenWindowCenter", "compression"])
self.assertEqual(set(metadata.keys()), expected)
for key in metadata.keys():
self.assertEqual(metadata[key], inMetadata[key])
