def test_getdata(self):
# test getheader/getdata against legacy values
# Create a 'P' image with holes in the palette
im = Image._wedge().resize((16, 16))
im.putpalette(ImagePalette.ImagePalette('RGB'))
im.info = {'background': 0}
passed_palette = bytes(bytearray([255 - i // 3 for i in range(768)]))
GifImagePlugin._FORCE_OPTIMIZE = True
try:
h = GifImagePlugin.getheader(im, passed_palette)
d = GifImagePlugin.getdata(im)
import pickle
# Enable to get target values on pre-refactor version
# with open('Tests/images/gif_header_data.pkl', 'wb') as f:
# pickle.dump((h, d), f, 1)
with open('Tests/images/gif_header_data.pkl', 'rb') as f:
(h_target, d_target) = pickle.load(f)
self.assertEqual(h, h_target)
self.assertEqual(d, d_target)
finally:
GifImagePlugin._FORCE_OPTIMIZE = False
def wedge(self):
w = Image._wedge()
w90 = w.rotate(90)
(px, h) = w.size
r = Image.new('L', (px * 3, h))
g = r.copy()
b = r.copy()
r.paste(w, (0, 0))
r.paste(w90, (px, 0))
g.paste(w90, (0, 0))
g.paste(w, (2 * px, 0))
b.paste(w, (px, 0))
b.paste(w90, (2 * px, 0))
img = Image.merge('RGB', (r, g, b))
# print(("%d, %d -> "% (int(1.75*px),int(.25*px))) + \
# "(%s, %s, %s)"%img.getpixel((1.75*px, .25*px)))
# print(("%d, %d -> "% (int(.75*px),int(.25*px))) + \
# "(%s, %s, %s)"%img.getpixel((.75*px, .25*px)))
return img
def test_getdata():
# Test getheader/getdata against legacy values.
# Create a 'P' image with holes in the palette.
im = Image._wedge().resize((16, 16), Image.NEAREST)
im.putpalette(ImagePalette.ImagePalette("RGB"))
im.info = {"background": 0}
passed_palette = bytes([255 - i // 3 for i in range(768)])
GifImagePlugin._FORCE_OPTIMIZE = True
try:
h = GifImagePlugin.getheader(im, passed_palette)
d = GifImagePlugin.getdata(im)
import pickle
# Enable to get target values on pre-refactor version
# with open('Tests/images/gif_header_data.pkl', 'wb') as f:
# pickle.dump((h, d), f, 1)
with open("Tests/images/gif_header_data.pkl", "rb") as f:
(h_target, d_target) = pickle.load(f)
assert h == h_target
assert d == d_target
finally:
GifImagePlugin._FORCE_OPTIMIZE = False
def wedge(self):
w = Image._wedge()
w90 = w.rotate(90)
(px, h) = w.size
r = Image.new('L', (px*3, h))
g = r.copy()
b = r.copy()
r.paste(w, (0, 0))
r.paste(w90, (px, 0))
g.paste(w90, (0, 0))
g.paste(w, (2*px, 0))
b.paste(w, (px, 0))
b.paste(w90, (2*px, 0))
img = Image.merge('RGB', (r, g, b))
# print (("%d, %d -> "% (int(1.75*px),int(.25*px))) + \
# "(%s, %s, %s)"%img.getpixel((1.75*px, .25*px)))
# print (("%d, %d -> "% (int(.75*px),int(.25*px))) + \
# "(%s, %s, %s)"%img.getpixel((.75*px, .25*px)))
return img
def test_getdata(self):
# test getheader/getdata against legacy values
# Create a 'P' image with holes in the palette
im = Image._wedge().resize((16, 16))
im.putpalette(ImagePalette.ImagePalette('RGB'))
im.info = {'background': 0}
passed_palette = bytes(bytearray([255-i//3 for i in range(768)]))
GifImagePlugin._FORCE_OPTIMIZE = True
try:
h = GifImagePlugin.getheader(im, passed_palette)
d = GifImagePlugin.getdata(im)
import pickle
# Enable to get target values on pre-refactor version
# with open('Tests/images/gif_header_data.pkl', 'wb') as f:
# pickle.dump((h, d), f, 1)
with open('Tests/images/gif_header_data.pkl', 'rb') as f:
(h_target, d_target) = pickle.load(f)
self.assertEqual(h, h_target)
self.assertEqual(d, d_target)
finally:
GifImagePlugin._FORCE_OPTIMIZE = False
def wedge(self):
w = Image._wedge()
w90 = w.rotate(90)
(px, h) = w.size
r = Image.new("L", (px * 3, h))
g = r.copy()
b = r.copy()
r.paste(w, (0, 0))
r.paste(w90, (px, 0))
g.paste(w90, (0, 0))
g.paste(w, (2 * px, 0))
b.paste(w, (px, 0))
b.paste(w90, (2 * px, 0))
img = Image.merge("RGB", (r, g, b))
return img
def wedge(self):
w = Image._wedge()
w90 = w.rotate(90)
(px, h) = w.size
r = Image.new('L', (px*3, h))
g = r.copy()
b = r.copy()
r.paste(w, (0, 0))
r.paste(w90, (px, 0))
g.paste(w90, (0, 0))
g.paste(w, (2*px, 0))
b.paste(w, (px, 0))
b.paste(w90, (2*px, 0))
img = Image.merge('RGB', (r, g, b))
return img