pixie/tests/test_bmp.nim

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import chroma, pixie, pixie/fileformats/bmp
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# block:
# var image = newImage(4, 2)
# image[0, 0] = rgba(0, 0, 255, 255)
# image[1, 0] = rgba(0, 255, 0, 255)
# image[2, 0] = rgba(255, 0, 0, 255)
# image[3, 0] = rgba(255, 255, 255, 255)
# image[0, 1] = rgba(0, 0, 255, 127)
# image[1, 1] = rgba(0, 255, 0, 127)
# image[2, 1] = rgba(255, 0, 0, 127)
# image[3, 1] = rgba(255, 255, 255, 127)
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# writeFile("tests/fileformats/bmp/test4x2.bmp", encodeBmp(image))
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# var image2 = decodeBmp(encodeBmp(image))
# doAssert image2.width == image.width
# doAssert image2.height == image.height
# doAssert image2.data == image.data
# block:
# var image = newImage(16, 16)
# image.fill(rgba(255, 0, 0, 127))
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# writeFile("tests/fileformats/bmp/test16x16.bmp", encodeBmp(image))
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# var image2 = decodeBmp(encodeBmp(image))
# doAssert image2.width == image.width
# doAssert image2.height == image.height
# doAssert image2.data == image.data
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block:
for bits in [32, 24]:
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let image = decodeBmp(readFile(
"tests/fileformats/bmp/knight." & $bits & ".master.bmp"
))
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writeFile("tests/fileformats/bmp/knight." & $bits & ".bmp", encodeBmp(image))