"""
===========
Fill shapes
===========

This example shows how to fill several different shapes:

* line
* polygon
* circle
* ellipse

"""
import numpy as np
import matplotlib.pyplot as plt

from skimage.draw import line, polygon, circle, circle_perimeter, \
                         ellipse, ellipse_perimeter
import numpy as np
import math

img = np.zeros((500, 500, 3), dtype=np.uint8)

# draw line
rr, cc = line(120, 123, 20, 400)
img[rr,cc,0] = 255

# fill polygon
poly = np.array((
    (300, 300),
    (480, 320),
    (380, 430),
    (220, 590),
    (300, 300),
))
rr, cc = polygon(poly[:,0], poly[:,1], img.shape)
img[rr,cc,1] = 255

# fill circle
rr, cc = circle(200, 200, 100, img.shape)
img[rr,cc,:] = (255, 255, 0)

# fill ellipse
rr, cc = ellipse(300, 300, 100, 200, img.shape)
img[rr,cc,2] = 255

# circle
rr, cc = circle_perimeter(120, 400, 15)
img[rr, cc, :] = (255, 0, 0)

# ellipses
rr, cc = ellipse_perimeter(120, 400, 60, 20, orientation=math.pi / 4.)
img[rr, cc, :] = (255, 0, 255)
rr, cc = ellipse_perimeter(120, 400, 60, 20, orientation=-math.pi / 4.)
img[rr, cc, :] = (0, 0, 255)
rr, cc = ellipse_perimeter(120, 400, 60, 20, orientation=math.pi / 2.)
img[rr, cc, :] = (255, 255, 255)

plt.imshow(img)
plt.show()