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75 lines
3.0 KiB
Python
75 lines
3.0 KiB
Python
from helper import unittest, PillowTestCase
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from PIL import Image
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from PIL import ImageColor
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class TestImageColor(PillowTestCase):
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def test_sanity(self):
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self.assertEqual((255, 0, 0), ImageColor.getrgb("#f00"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("#ff0000"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255, 0, 0)"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(0, 100%, 50%)"))
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self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)"))
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self.assertEqual(
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(255, 0, 0, 0), ImageColor.getrgb("rgba(255, 0, 0, 0)"))
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self.assertEqual((255, 0, 0), ImageColor.getrgb("red"))
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self.assertRaises(ValueError,
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lambda: ImageColor.getrgb("invalid color"))
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# look for rounding errors (based on code by Tim Hatch)
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def test_rounding_errors(self):
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for color in list(ImageColor.colormap.keys()):
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expected = Image.new(
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"RGB", (1, 1), color).convert("L").getpixel((0, 0))
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actual = Image.new("L", (1, 1), color).getpixel((0, 0))
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self.assertEqual(expected, actual)
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self.assertEqual((0, 0, 0), ImageColor.getcolor("black", "RGB"))
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self.assertEqual((255, 255, 255), ImageColor.getcolor("white", "RGB"))
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self.assertEqual(
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(0, 255, 115), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB"))
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Image.new("RGB", (1, 1), "white")
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self.assertEqual((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA"))
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self.assertEqual(
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(255, 255, 255, 255), ImageColor.getcolor("white", "RGBA"))
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self.assertEqual(
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(0, 255, 115, 33),
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ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA"))
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Image.new("RGBA", (1, 1), "white")
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self.assertEqual(0, ImageColor.getcolor("black", "L"))
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self.assertEqual(255, ImageColor.getcolor("white", "L"))
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self.assertEqual(162,
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ImageColor.getcolor("rgba(0, 255, 115, 33)", "L"))
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Image.new("L", (1, 1), "white")
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self.assertEqual(0, ImageColor.getcolor("black", "1"))
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self.assertEqual(255, ImageColor.getcolor("white", "1"))
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# The following test is wrong, but is current behavior
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# The correct result should be 255 due to the mode 1
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self.assertEqual(
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162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
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# Correct behavior
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# self.assertEqual(
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# 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
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Image.new("1", (1, 1), "white")
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self.assertEqual((0, 255), ImageColor.getcolor("black", "LA"))
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self.assertEqual((255, 255), ImageColor.getcolor("white", "LA"))
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self.assertEqual(
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(162, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA"))
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Image.new("LA", (1, 1), "white")
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if __name__ == '__main__':
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unittest.main()
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# End of file
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