def test_creates_black_image():
# Test that creating an all black color map produces an all black
# image regardless of the color space
blackColorMap = createColorMap((0, 0, 0), (0, 0, 0), (0, 0, 0), 2)
blackYCrCbColorMap = createColorMap((0, 128, 128), (0, 128, 128), (0, 128, 128), 2)
assert (colormap2image(blackColorMap, 'RGB') == blackImage).all()
assert (colormap2image(blackColorMap, 'XYZ') == blackImage).all()
assert (colormap2image(blackColorMap, 'Lab') == blackImage).all()
assert (colormap2image(blackColorMap, 'Luv') == blackImage).all()
assert (colormap2image(blackYCrCbColorMap, 'YCrCb') == blackImage).all()
assert (colormap2image(blackColorMap, 'HLS') == blackImage).all()
assert (colormap2image(blackColorMap, 'HSV') == blackImage).all()
def test_creates_black_image_8_bits():
# Test that creating an all black color map produces an all black
# image regardless of the color space or bit
blackColorMap = createColorMap((0, 0, 0), (0, 0, 0), (0, 0, 0), 8)
blackYCrCbColorMap = createColorMap((0, 128, 128), (0, 128, 128),
(0, 128, 128), 8)
assert (colormap2image(blackColorMap, 'RGB') == blackImage).all()
assert (colormap2image(blackColorMap, 'XYZ') == blackImage).all()
assert (colormap2image(blackColorMap, 'Lab') == blackImage).all()
assert (colormap2image(blackColorMap, 'Luv') == blackImage).all()
assert (colormap2image(blackYCrCbColorMap, 'YCrCb') == blackImage).all()
assert (colormap2image(blackColorMap, 'HLS') == blackImage).all()
assert (colormap2image(blackColorMap, 'HSV') == blackImage).all()
def test_creates_solid_red():
# Test that creating an all red color map in any color space
# produces an a solid red image
redRGBColorMap = createColorMap((255, 0, 0), (255, 0, 0), (255, 0, 0), 2)
assert (colormap2image(redRGBColorMap, 'RGB') == redImage).all()
redXYZColorMap = createColorMap((41.2400, 21.2600, 1.9300), (41.2400, 21.2600, 1.9300), (41.2400, 21.2600, 1.9300), 2)
assert (colormap2image(redXYZColorMap, 'XYZ') == redImage).all()
redLabColorMap = createColorMap((53.2329, 80.1093, 67.2201), (53.2329, 80.1093, 67.2201), (53.2329, 80.1093, 67.2201), 2)
assert (colormap2image(redLabColorMap, 'Lab') == redImage).all()
redHLSColorMap = createColorMap((0.00, 0.50, 1.00), (0.00, 0.50, 1.00), (0.00, 0.50, 1.00), 2)
assert (colormap2image(blackColorMap, 'HLS') == blackImage).all()
redHSVColorMap = createColorMap((0, 100, 100), (0, 100, 100), (0, 100, 100), 2)
assert (colormap2image(blackColorMap, 'HSV') == blackImage).all()
def test_creates_solid_red():
# Test that creating an all red color map in any color space
# produces an a solid red image
redRGBColorMap = createColorMap((255, 0, 0), (255, 0, 0), (255, 0, 0), 2)
assert (colormap2image(redRGBColorMap, 'RGB') == redImage).all()
redXYZColorMap = createColorMap((41.2400, 21.2600, 1.9300),
(41.2400, 21.2600, 1.9300),
(41.2400, 21.2600, 1.9300), 2)
assert (colormap2image(redXYZColorMap, 'XYZ') == redImage).all()
redLabColorMap = createColorMap((53.2329, 80.1093, 67.2201),
(53.2329, 80.1093, 67.2201),
(53.2329, 80.1093, 67.2201), 2)
assert (colormap2image(redLabColorMap, 'Lab') == redImage).all()
redHLSColorMap = createColorMap((0.00, 0.50, 1.00), (0.00, 0.50, 1.00),
(0.00, 0.50, 1.00), 2)
assert (colormap2image(blackColorMap, 'HLS') == blackImage).all()
redHSVColorMap = createColorMap((0, 100, 100), (0, 100, 100),
(0, 100, 100), 2)
assert (colormap2image(blackColorMap, 'HSV') == blackImage).all()
def test_making_gradient():
# Tests that you can create a white to red to black gradient
# uses fixture WRB.txt for comparison
colorMap = createColorMap((255, 255, 255), (255, 0, 0), (0, 0, 0), 8)
file = open(os.path.realpath(os.path.join(os.path.dirname(__file__), 'data/WRB.txt')))
assert colorMap == eval(file.read())
def test_making_black():
# Test that passing just (0, 0, 0) three times at 2 bits
# creates a colormap of (0,0,0), (0,0,0), (0,0,0), (0,0,0)
colorMap = createColorMap((0, 0, 0), (0, 0, 0), (0, 0, 0), 2)
assert colorMap == [(0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0)]
