def test_floodfill(self):
# Arrange
im = Image.new("RGB", (W, H))
draw = ImageDraw.Draw(im)
draw.rectangle(BBOX2, outline="yellow", fill="green")
centre_point = (int(W / 2), int(H / 2))
red = ImageColor.getrgb("red")
im_floodfill = Image.open("Tests/images/imagedraw_floodfill.png")
# Act
ImageDraw.floodfill(im, centre_point, red)
# Assert
self.assert_image_equal(im, im_floodfill)
# Test that using the same colour does not change the image
ImageDraw.floodfill(im, centre_point, red)
self.assert_image_equal(im, im_floodfill)
# Test that filling outside the image does not change the image
ImageDraw.floodfill(im, (W, H), red)
self.assert_image_equal(im, im_floodfill)
# Test filling at the edge of an image
im = Image.new("RGB", (1, 1))
ImageDraw.floodfill(im, (0, 0), red)
self.assert_image_equal(im, Image.new("RGB", (1, 1), red))
def test_floodfill_border(self):
# floodfill() is experimental
# Arrange
im = Image.new("RGB", (W, H))
draw = ImageDraw.Draw(im)
draw.rectangle(BBOX2, outline="yellow", fill="green")
centre_point = (int(W / 2), int(H / 2))
# Act
ImageDraw.floodfill(im,
centre_point,
ImageColor.getrgb("red"),
border=ImageColor.getrgb("black"))
# Assert
self.assert_image_equal(
im, Image.open("Tests/images/imagedraw_floodfill2.png"))
def test_hash(self):
# short 3 components
self.assertEqual((255, 0, 0), ImageColor.getrgb("#f00"))
self.assertEqual((0, 255, 0), ImageColor.getrgb("#0f0"))
self.assertEqual((0, 0, 255), ImageColor.getrgb("#00f"))
# short 4 components
self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("#f000"))
self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("#0f00"))
self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("#00f0"))
self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("#000f"))
# long 3 components
self.assertEqual((222, 0, 0), ImageColor.getrgb("#de0000"))
self.assertEqual((0, 222, 0), ImageColor.getrgb("#00de00"))
self.assertEqual((0, 0, 222), ImageColor.getrgb("#0000de"))
# long 4 components
self.assertEqual((222, 0, 0, 0), ImageColor.getrgb("#de000000"))
self.assertEqual((0, 222, 0, 0), ImageColor.getrgb("#00de0000"))
self.assertEqual((0, 0, 222, 0), ImageColor.getrgb("#0000de00"))
self.assertEqual((0, 0, 0, 222), ImageColor.getrgb("#000000de"))
# case insensitivity
self.assertEqual(ImageColor.getrgb("#DEF"), ImageColor.getrgb("#def"))
self.assertEqual(ImageColor.getrgb("#CDEF"),
ImageColor.getrgb("#cdef"))
self.assertEqual(ImageColor.getrgb("#DEFDEF"),
ImageColor.getrgb("#defdef"))
self.assertEqual(ImageColor.getrgb("#CDEFCDEF"),
ImageColor.getrgb("#cdefcdef"))
# not a number
self.assertRaises(ValueError, ImageColor.getrgb, "#fo0")
self.assertRaises(ValueError, ImageColor.getrgb, "#fo00")
self.assertRaises(ValueError, ImageColor.getrgb, "#fo0000")
self.assertRaises(ValueError, ImageColor.getrgb, "#fo000000")
# wrong number of components
self.assertRaises(ValueError, ImageColor.getrgb, "#f0000")
self.assertRaises(ValueError, ImageColor.getrgb, "#f000000")
self.assertRaises(ValueError, ImageColor.getrgb, "#f00000000")
self.assertRaises(ValueError, ImageColor.getrgb, "#f000000000")
self.assertRaises(ValueError, ImageColor.getrgb, "#f00000 ")
def test_functions(self):
# rgb numbers
self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)"))
self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0,255,0)"))
self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0,0,255)"))
# percents
self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)"))
self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0%,100%,0%)"))
self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0%,0%,100%)"))
# rgba numbers
self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)"))
self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("rgba(0,255,0,0)"))
self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("rgba(0,0,255,0)"))
self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("rgba(0,0,0,255)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(0,100%,50%)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(360,100%,50%)"))
self.assertEqual((0, 255, 255), ImageColor.getrgb("hsl(180,100%,50%)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("hsv(0,100%,100%)"))
self.assertEqual((255, 0, 0), ImageColor.getrgb("hsv(360,100%,100%)"))
self.assertEqual((0, 255, 255),
ImageColor.getrgb("hsv(180,100%,100%)"))
# alternate format
self.assertEqual(ImageColor.getrgb("hsb(0,100%,50%)"),
ImageColor.getrgb("hsv(0,100%,50%)"))
# floats
self.assertEqual((254, 3, 3),
ImageColor.getrgb("hsl(0.1,99.2%,50.3%)"))
self.assertEqual((255, 0, 0),
ImageColor.getrgb("hsl(360.,100.0%,50%)"))
self.assertEqual((253, 2, 2),
ImageColor.getrgb("hsv(0.1,99.2%,99.3%)"))
self.assertEqual((255, 0, 0),
ImageColor.getrgb("hsv(360.,100.0%,100%)"))
# case insensitivity
self.assertEqual(ImageColor.getrgb("RGB(255,0,0)"),
ImageColor.getrgb("rgb(255,0,0)"))
self.assertEqual(ImageColor.getrgb("RGB(100%,0%,0%)"),
ImageColor.getrgb("rgb(100%,0%,0%)"))
self.assertEqual(ImageColor.getrgb("RGBA(255,0,0,0)"),
ImageColor.getrgb("rgba(255,0,0,0)"))
self.assertEqual(ImageColor.getrgb("HSL(0,100%,50%)"),
ImageColor.getrgb("hsl(0,100%,50%)"))
self.assertEqual(ImageColor.getrgb("HSV(0,100%,50%)"),
ImageColor.getrgb("hsv(0,100%,50%)"))
self.assertEqual(ImageColor.getrgb("HSB(0,100%,50%)"),
ImageColor.getrgb("hsb(0,100%,50%)"))
# space agnosticism
self.assertEqual((255, 0, 0),
ImageColor.getrgb("rgb( 255 , 0 , 0 )"))
self.assertEqual((255, 0, 0),
ImageColor.getrgb("rgb( 100% , 0% , 0% )"))
self.assertEqual((255, 0, 0, 0),
ImageColor.getrgb("rgba( 255 , 0 , 0 , 0 )"))
self.assertEqual((255, 0, 0),
ImageColor.getrgb("hsl( 0 , 100% , 50% )"))
self.assertEqual((255, 0, 0),
ImageColor.getrgb("hsv( 0 , 100% , 100% )"))
# wrong number of components
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0,0,0)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0 %)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0%,0%)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0)")
self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0,0,0)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,0%,0%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0%,100%,50%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100,50%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,50)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsv(0,100%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsv(0,100%,0%,0%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsv(0%,100%,50%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsv(0,100,50%)")
self.assertRaises(ValueError, ImageColor.getrgb, "hsv(0,100%,50)")
def test_colormap(self):
self.assertEqual((0, 0, 0), ImageColor.getrgb("black"))
self.assertEqual((255, 255, 255), ImageColor.getrgb("white"))
self.assertEqual((255, 255, 255), ImageColor.getrgb("WHITE"))
self.assertRaises(ValueError, ImageColor.getrgb, "black ")
def test_rounding_errors(self):
for color in ImageColor.colormap:
expected = Image.new("RGB", (1, 1), color).convert("L").getpixel(
(0, 0))
actual = ImageColor.getcolor(color, 'L')
self.assertEqual(expected, actual)
self.assertEqual((0, 255, 115),
ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB"))
Image.new("RGB", (1, 1), "white")
self.assertEqual((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA"))
self.assertEqual((255, 255, 255, 255),
ImageColor.getcolor("white", "RGBA"))
self.assertEqual((0, 255, 115, 33),
ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA"))
Image.new("RGBA", (1, 1), "white")
self.assertEqual(0, ImageColor.getcolor("black", "L"))
self.assertEqual(255, ImageColor.getcolor("white", "L"))
self.assertEqual(162, ImageColor.getcolor("rgba(0, 255, 115, 33)",
"L"))
Image.new("L", (1, 1), "white")
self.assertEqual(0, ImageColor.getcolor("black", "1"))
self.assertEqual(255, ImageColor.getcolor("white", "1"))
# The following test is wrong, but is current behavior
# The correct result should be 255 due to the mode 1
self.assertEqual(162, ImageColor.getcolor("rgba(0, 255, 115, 33)",
"1"))
# Correct behavior
# self.assertEqual(
# 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
Image.new("1", (1, 1), "white")
self.assertEqual((0, 255), ImageColor.getcolor("black", "LA"))
self.assertEqual((255, 255), ImageColor.getcolor("white", "LA"))
self.assertEqual((162, 33),
ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA"))
Image.new("LA", (1, 1), "white")