def color_separator(im):
if im.getpalette():
im = im.convert('RGB')
colors = im.getcolors()
width, height = im.size
colors_dict = dict((val[1],Image.new('RGB', (width, height), (0,0,0)))
for val in colors)
pix = im.load()
for i in xrange(width):
for j in xrange(height):
colors_dict[pix[i,j]].putpixel((i,j), pix[i,j])
return colors_dict
def showVerticalProjection(graph):
# Display the vertical projection
w = len(graph)
h = max(graph)
img = Image.new('1', (w, h))
for x in range(w):
for y in range(h):
if y <= graph[x]:
img.putpixel((x, y), 255)
else:
break
img = img.transpose(Image.FLIP_TOP_BOTTOM)
img.show()
