def test_drawline_inverted_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(5, 1, 5, 3)
canvas2 = Canvas()
canvas2.create(8, 4)
canvas2.draw_line(5, 3, 5, 1)
self.assertTrue((canvas.data == canvas2.data).all())
def test_drawline_vertical_cropped_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(5, -3, 5, 14)
expected = np.asarray([[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_drawline_horizontal_cropped_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(-2, 2, 10, 2)
expected = np.asarray([[32, 32, 32, 32, 32, 32, 32, 32],
[120, 120, 120, 120, 120, 120, 120, 120],
[32, 32, 32, 32, 32, 32, 32, 32],
[32, 32, 32, 32, 32, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_fill_ok(self):
canvas = Canvas()
canvas.create(10, 8)
# Fill all canvas area with 'o' (ord('o') == 111)
canvas.fill(5, 2, 'o')
expected = np.asarray(
[[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
# Attempt to place the base point outside of the canvas - no effect
canvas.fill(-1, 2, '+')
self.assertTrue((canvas.data == expected).all())
# Draw some shapes to complicate the picture
canvas.draw_line(2, 4, 9, 4)
canvas.draw_rect(3, 2, 8, 20)
expected = np.asarray(
[[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 120, 120, 120, 120, 120, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 120, 120, 120, 120, 120, 120, 120, 120, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
# Fill regions with various symbols: '+' a.k.a. 43, '*' a.k.a. 42, '.' a.k.a. 46
canvas.fill(5, 3, '+')
canvas.fill(6, 7, '*')
canvas.fill(10, 8, '.')
expected = np.asarray(
[[46, 46, 46, 46, 46, 46, 46, 46, 46, 46],
[46, 46, 120, 120, 120, 120, 120, 120, 46, 46],
[46, 46, 120, 43, 43, 43, 43, 120, 46, 46],
[46, 120, 120, 120, 120, 120, 120, 120, 120, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())