# div
b = ImageBuf()
ImageBufAlgo.div (b, gray64, make_constimage (64, 64, 3, oiio.HALF, (2.0,1,0.5)))
write (b, "div.exr", oiio.HALF)
b = ImageBuf()
ImageBufAlgo.div (b, gray64, 2.0)
write (b, "divc1.exr", oiio.HALF)
b = ImageBuf()
ImageBufAlgo.div (b, gray64, (2.0,1,0.5))
write (b, "divc2.exr", oiio.HALF)
# invert
a = ImageBuf ("../oiiotool/tahoe-small.tif")
b = ImageBuf()
ImageBufAlgo.invert (b, a)
write (b, "invert.tif", oiio.UINT8)
# pow
b = ImageBuf()
ImageBufAlgo.pow (b, gray128, 2)
write (b, "cpow1.exr")
b = ImageBuf()
ImageBufAlgo.pow (b, gray128, (2,2,1))
write (b, "cpow2.exr")
# channel_sum
b = ImageBuf()
ImageBufAlgo.channel_sum (b, ImageBuf("../oiiotool/tahoe-small.tif"),
(.2126,.7152,.0722))
write (b, "chsum.tif", oiio.UINT8)
# div
b = ImageBuf()
ImageBufAlgo.div(b, gray64,
make_constimage(64, 64, 3, oiio.HALF, (2.0, 1, 0.5)))
write(b, "div.exr", oiio.HALF)
b = ImageBuf()
ImageBufAlgo.div(b, gray64, 2.0)
write(b, "divc1.exr", oiio.HALF)
b = ImageBuf()
ImageBufAlgo.div(b, gray64, (2.0, 1, 0.5))
write(b, "divc2.exr", oiio.HALF)
# invert
a = ImageBuf("../oiiotool/src/tahoe-small.tif")
b = ImageBuf()
ImageBufAlgo.invert(b, a)
write(b, "invert.tif", oiio.UINT8)
# pow
b = ImageBuf()
ImageBufAlgo.pow(b, gray128, 2)
write(b, "cpow1.exr")
b = ImageBuf()
ImageBufAlgo.pow(b, gray128, (2, 2, 1))
write(b, "cpow2.exr")
# channel_sum
b = ImageBuf()
ImageBufAlgo.channel_sum(b, ImageBuf("../oiiotool/src/tahoe-small.tif"),
(.2126, .7152, .0722))
write(b, "chsum.tif", oiio.UINT8)
make_constimage(64, 64, 3, oiio.HALF, (.5, .5, .5)), (1.5, 1, 0.5),
make_constimage(64, 64, 3, oiio.HALF, (0.1, 0.1, 0.1)))
write(b, "mad3.exr", oiio.HALF)
# div
b = ImageBufAlgo.div(gray64,
make_constimage(64, 64, 3, oiio.HALF, (2.0, 1, 0.5)))
write(b, "div.exr", oiio.HALF)
b = ImageBufAlgo.div(gray64, 2.0)
write(b, "divc1.exr", oiio.HALF)
b = ImageBufAlgo.div(gray64, (2.0, 1, 0.5))
write(b, "divc2.exr", oiio.HALF)
# invert
a = ImageBuf(OIIO_TESTSUITE_ROOT + "/oiiotool/src/tahoe-small.tif")
b = ImageBufAlgo.invert(a)
write(b, "invert.tif", oiio.UINT8)
# pow
b = ImageBufAlgo.pow(gray128, 2)
write(b, "cpow1.exr")
b = ImageBufAlgo.pow(gray128, (2, 2, 1))
write(b, "cpow2.exr")
# channel_sum
b = ImageBufAlgo.channel_sum(
ImageBuf(OIIO_TESTSUITE_ROOT + "/oiiotool/src/tahoe-small.tif"),
(.2126, .7152, .0722))
write(b, "chsum.tif", oiio.UINT8)
# color_map
b = ImageBufAlgo.mad (make_constimage(64,64,3,oiio.HALF,(.5,.5,.5)),
(1.5,1,0.5),
make_constimage(64,64,3,oiio.HALF,(0.1,0.1,0.1)))
write (b, "mad3.exr", oiio.HALF)
# div
b = ImageBufAlgo.div (gray64, make_constimage (64, 64, 3, oiio.HALF, (2.0,1,0.5)))
write (b, "div.exr", oiio.HALF)
b = ImageBufAlgo.div (gray64, 2.0)
write (b, "divc1.exr", oiio.HALF)
b = ImageBufAlgo.div (gray64, (2.0,1,0.5))
write (b, "divc2.exr", oiio.HALF)
# invert
a = ImageBuf ("../oiiotool/src/tahoe-small.tif")
b = ImageBufAlgo.invert (a)
write (b, "invert.tif", oiio.UINT8)
# pow
b = ImageBufAlgo.pow (gray128, 2)
write (b, "cpow1.exr")
b = ImageBufAlgo.pow (gray128, (2,2,1))
write (b, "cpow2.exr")
# channel_sum
b = ImageBufAlgo.channel_sum (ImageBuf("../oiiotool/src/tahoe-small.tif"),
(.2126,.7152,.0722))
write (b, "chsum.tif", oiio.UINT8)
# color_map
b = ImageBufAlgo.color_map (tahoetiny, -1, "inferno")