def test_paletted_merge(self):
if not hasattr(Image, 'FASTOCTREE'):
raise SkipTest()
# generate RGBA images with a transparent rectangle in the lower right
img1 = ImageSource(Image.new('RGBA', (50, 50), (0, 255, 0, 255))).as_image()
draw = ImageDraw.Draw(img1)
draw.rectangle((25, 25, 49, 49), fill=(0, 0, 0, 0))
paletted_img = quantize(img1, alpha=True)
assert img_has_transparency(paletted_img)
assert paletted_img.mode == 'P'
rgba_img = Image.new('RGBA', (50, 50), (255, 0, 0, 255))
draw = ImageDraw.Draw(rgba_img)
draw.rectangle((25, 25, 49, 49), fill=(0, 0, 0, 0))
img1 = ImageSource(paletted_img)
img2 = ImageSource(rgba_img)
# generate base image and merge the others above
img3 = ImageSource(Image.new('RGBA', (50, 50), (0, 0, 255, 255)))
result = merge_images([img3, img1, img2], ImageOptions(transparent=True))
img = result.as_image()
assert img.mode == 'RGBA'
eq_(img.getpixel((49, 49)), (0, 0, 255, 255))
eq_(img.getpixel((0, 0)), (255, 0, 0, 255))
def test_rgb(self):
if hasattr(Image, 'FASTOCTREE'):
img = Image.new('RGB', (10, 10))
assert not img_has_transparency(img)
img = quantize(img, alpha=False)
assert not img_has_transparency(img)
def test_rbga(self):
img = Image.new("RGBA", (10, 10), (100, 200, 50, 255))
img.paste((255, 50, 50, 0), (3, 3, 7, 7))
assert img_has_transparency(img)
img = quantize(img, alpha=True)
assert img_has_transparency(img)
def test_paletted_merge(self):
if not hasattr(Image, 'FASTOCTREE'):
raise SkipTest()
# generate RGBA images with a transparent rectangle in the lower right
img1 = ImageSource(Image.new('RGBA', (50, 50),
(0, 255, 0, 255))).as_image()
draw = ImageDraw.Draw(img1)
draw.rectangle((25, 25, 49, 49), fill=(0, 0, 0, 0))
paletted_img = quantize(img1, alpha=True)
assert img_has_transparency(paletted_img)
assert paletted_img.mode == 'P'
rgba_img = Image.new('RGBA', (50, 50), (255, 0, 0, 255))
draw = ImageDraw.Draw(rgba_img)
draw.rectangle((25, 25, 49, 49), fill=(0, 0, 0, 0))
img1 = ImageSource(paletted_img)
img2 = ImageSource(rgba_img)
# generate base image and merge the others above
img3 = ImageSource(Image.new('RGBA', (50, 50), (0, 0, 255, 255)))
result = merge_images([img3, img1, img2],
ImageOptions(transparent=True))
img = result.as_image()
assert img.mode == 'RGBA'
eq_(img.getpixel((49, 49)), (0, 0, 255, 255))
eq_(img.getpixel((0, 0)), (255, 0, 0, 255))
def test_rgb(self):
if hasattr(Image, 'FASTOCTREE'):
img = Image.new('RGB', (10, 10))
assert not img_has_transparency(img)
img = quantize(img, alpha=False)
assert not img_has_transparency(img)
def test_rbga(self):
if hasattr(Image, 'FASTOCTREE'):
img = Image.new('RGBA', (10, 10), (100, 200, 50, 255))
img.paste((255, 50, 50, 0), (3, 3, 7, 7))
assert img_has_transparency(img)
img = quantize(img, alpha=True)
assert img_has_transparency(img)
def test_rbga(self):
if hasattr(Image, 'FASTOCTREE'):
img = Image.new('RGBA', (10, 10), (100, 200, 50, 255))
img.paste((255, 50, 50, 0), (3, 3, 7, 7))
assert img_has_transparency(img)
img = quantize(img, alpha=True)
assert img_has_transparency(img)
def test_rgb(self):
img = Image.new("RGB", (10, 10))
assert not img_has_transparency(img)
img = quantize(img, alpha=False)
assert not img_has_transparency(img)