def mosaic(fid, numberOfTiles):
image = Imager(fid)
x = image.xmax
y = image.ymax
tileScale = int(x/numberOfTiles)
new_x = tileScale*numberOfTiles
new_y = int(y/tileScale)*tileScale
scaled = image.resize(new_x, new_y)
def get_tile(startx, starty):
tile = []
for x in range(startx, startx+tileScale):
for y in range(starty, starty+tileScale):
tile.append(scaled.get_pixel(x, y))
return tile
def build_tile(startxb, startyb):
tile = tiles[random.randint(0, len(tiles)-1)]
for x2 in range(startxb, startxb+tileScale):
for y2 in range(startyb, startyb+tileScale):
scaled.set_pixel(x2, y2, tile[(x2-startxb)*(y2-startyb)])
tiles = []
for x2 in range(0, new_x, tileScale):
for y2 in range(0, new_y, tileScale):
tiles.append(get_tile(x2, y2))
for w in range(0, new_x, tileScale):
for z in range(0, new_y, tileScale):
build_tile(w, z)
scaled.display()
def selective_color(fid, color, tolerance):
image = Imager(fid)
def equal(pix1, pix2):
l1 = pix1[0] / pix1[1] if pix1[1] != 0 else 0
l2 = pix1[0] / pix1[2] if pix1[2] != 0 else 0
s1 = pix2[0] / pix2[1] if pix2[1] != 0 else 0
s2 = pix2[0] / pix2[2] if pix2[2] != 0 else 0
equal1 = l1 < s1 + tolerance and l1 > s1 - tolerance
equal2 = l2 < s2 + tolerance and l2 > s2 - tolerance
return not (equal1 and equal2)
def bw(pixel):
lum = int((pixel[1] + pixel[2] + pixel[0]) / 3)
return lum, lum, lum
for y in range(image.ymax):
for x in range(image.xmax):
pixel = image.get_pixel(x, y)
if equal(pixel, color):
image.set_pixel(x, y, bw(pixel))
image.display()
