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Merge pull request #552 from wiredfool/fix-getcolor-rgba

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Imagecolor
This commit is contained in:
Alex Clark ☺ 2014-03-17 16:33:41 -04:00
commit e81450ece1
2 changed files with 6 additions and 11 deletions
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13
PIL/ImageColor.py
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@ -20,15 +20,6 @@
from PIL import Image
import re
##
# Convert color string to RGB tuple.
#
# @param color A CSS3-style colour string.
# @return An RGB-tuple.
# @exception ValueError If the color string could not be interpreted
# as an RGB value.
def getrgb(color):
"""
Convert a color string to an RGB tuple. If the string cannot be parsed,
@ -37,7 +28,7 @@ def getrgb(color):
.. versionadded:: 1.1.4
:param color: A color string
:return: ``(red, green, blue)``
:return: ``(red, green, blue[, alpha])``
"""
try:
rgb = colormap[color]
@ -114,7 +105,7 @@ def getcolor(color, mode):
.. versionadded:: 1.1.4
:param color: A color string
:return: ``(red, green, blue)``
:return: ``(graylevel [, alpha]) or (red, green, blue[, alpha])``
"""
# same as getrgb, but converts the result to the given mode
color, alpha = getrgb(color), 255

4
Tests/test_imagecolor.py
View File

@ -41,7 +41,11 @@ Image.new("L", (1, 1), "white")
assert_equal(0, ImageColor.getcolor("black", "1"))
assert_equal(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
assert_equal(162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
# Correct behavior
# assert_equal(255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1"))
Image.new("1", (1, 1), "white")
assert_equal((0, 255), ImageColor.getcolor("black", "LA"))