def draw_on_image(self, img):
""" Draw the plate highlight to the image.
"""
image = Image(img)
# If the overlay has not expired, draw on the plate highlight and/or the status message
if not self.has_expired():
self._plate.draw_plate(image, Color.Blue())
self._plate.draw_pins(image, self._options)
def get_marked_image(self, options):
image = self.get_image()
geo = self.geometry
if options.image_puck.value():
geo.draw_plate(image, Color.Blue())
if options.image_pins.value():
self._draw_pins(image, geo, options)
if options.image_crop.value():
geo.crop_image(image)
return image
def CIRCLES_DEMO():
""" Draw a set of axes and a random set of circles. Perform a series of
random transformations on the circles.
"""
# Create a set of random circles
points = []
for i in range(10):
X = (random.random()) * 200
Y = (random.random()) * 200
points.append(Point(X, Y))
for i in range(10):
# Create random transformation
angle = random.random() * 2 * math.pi
scale = random.random() * 3
delX = (random.random() - 0.5) * 200
delY = (random.random() - 0.5) * 200
translate = Point(delX, delY)
trs = Transform(translate, angle, scale)
# Display on image
image = Image.blank(1000, 800)
image.draw_offset = IMG_CENTER
draw_axes(image, 300)
# Draw the circles and transformed circles on the image
radius = 10
for p in points:
circle = Circle(p, radius)
trans_circle = Circle(trs.transform(p), radius * trs.zoom)
image.draw_circle(circle, Color.Red())
image.draw_circle(trans_circle, Color.Blue())
# Write the transformation on the image
image.draw_text(trs.__str__(),
Point(-450, 350),
Color.White(),
centered=False,
scale=0.5,
thickness=1)
# Show the image
image.popup()
def test_Blue_is_0000ff(self):
self.assertEqual(Color.Blue().to_hex(), "#0000ff")
