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#################################### IMPORTS ###################################
if __name__ == '__main__':
import sys
import os
pkg_dir = os.path.split(os.path.abspath(__file__))[0]
parent_dir, pkg_name = os.path.split(pkg_dir)
is_pygame_pkg = (pkg_name == 'tests' and
os.path.split(parent_dir)[1] == 'pygame')
if not is_pygame_pkg:
sys.path.insert(0, parent_dir)
else:
is_pygame_pkg = __name__.startswith('pygame.tests.')
import unittest
if is_pygame_pkg:
from pygame.tests import test_utils
else:
from test import test_utils
import pygame
from pygame import draw
################################################################################
class DrawModuleTest(unittest.TestCase):
def setUp(self):
(self.surf_w, self.surf_h) = self.surf_size = (320, 200)
self.surf = pygame.Surface(self.surf_size, pygame.SRCALPHA)
self.color = (1, 13, 24, 205)
def test_rect__fill(self):
# __doc__ (as of 2008-06-25) for pygame.draw.rect:
# pygame.draw.rect(Surface, color, Rect, width=0): return Rect
# draw a rectangle shape
rect = pygame.Rect(10, 10, 25, 20)
drawn = draw.rect(self.surf, self.color, rect, 0)
self.assert_(drawn == rect)
#Should be colored where it's supposed to be
for pt in test_utils.rect_area_pts(rect):
color_at_pt = self.surf.get_at(pt)
self.assert_(color_at_pt == self.color)
#And not where it shouldn't
for pt in test_utils.rect_outer_bounds(rect):
color_at_pt = self.surf.get_at(pt)
self.assert_(color_at_pt != self.color)
#Issue #310: Cannot draw rectangles that are 1 pixel high
bgcolor = pygame.Color('black')
self.surf.fill(bgcolor)
hrect = pygame.Rect(1, 1, self.surf_w - 2, 1)
vrect = pygame.Rect(1, 3, 1, self.surf_h - 4)
drawn = draw.rect(self.surf, self.color, hrect, 0)
self.assert_(drawn == hrect)
x, y = hrect.topleft
w, h = hrect.size
self.assertEqual(self.surf.get_at((x - 1, y)), bgcolor)
self.assertEqual(self.surf.get_at((x + w, y)), bgcolor)
for i in range(x, x + w):
self.assertEqual(self.surf.get_at((i, y)), self.color)
drawn = draw.rect(self.surf, self.color, vrect, 0)
self.assertEqual(drawn, vrect)
x, y = vrect.topleft
w, h = vrect.size
self.assertEqual(self.surf.get_at((x, y - 1)), bgcolor)
self.assertEqual(self.surf.get_at((x, y + h)), bgcolor)
for i in range(y, y + h):
self.assertEqual(self.surf.get_at((x, i)), self.color)
def test_rect__one_pixel_lines(self):
# __doc__ (as of 2008-06-25) for pygame.draw.rect:
# pygame.draw.rect(Surface, color, Rect, width=0): return Rect
# draw a rectangle shape
rect = pygame.Rect(10, 10, 56, 20)
drawn = draw.rect(self.surf, self.color, rect, 1)
self.assert_(drawn == rect)
#Should be colored where it's supposed to be
for pt in test_utils.rect_perimeter_pts(drawn):
color_at_pt = self.surf.get_at(pt)
self.assert_(color_at_pt == self.color)
#And not where it shouldn't
for pt in test_utils.rect_outer_bounds(drawn):
color_at_pt = self.surf.get_at(pt)
self.assert_(color_at_pt != self.color)
def test_line(self):
# __doc__ (as of 2008-06-25) for pygame.draw.line:
# pygame.draw.line(Surface, color, start_pos, end_pos, width=1): return Rect
# draw a straight line segment
drawn = draw.line(self.surf, self.color, (1, 0), (200, 0)) #(l, t), (l, t)
self.assert_(drawn.right == 201,
"end point arg should be (or at least was) inclusive"
)
#Should be colored where it's supposed to be
for pt in test_utils.rect_area_pts(drawn):
self.assert_(self.surf.get_at(pt) == self.color)
#And not where it shouldn't
for pt in test_utils.rect_outer_bounds(drawn):
self.assert_(self.surf.get_at(pt) != self.color)
#Line width greater that 1
line_width = 2
offset = 5
a = (offset, offset)
b = (self.surf_size[0] - offset, a[1])
c = (a[0], self.surf_size[1] - offset)
d = (b[0], c[1])
e = (a[0] + offset, c[1])
f = (b[0], c[0] + 5)
lines = [(a, d), (b, c), (c, b), (d, a),
(a, b), (b, a), (a, c), (c, a),
(a, e), (e, a), (a, f), (f, a),
(a, a),]
for p1, p2 in lines:
msg = "%s - %s" % (p1, p2)
if p1[0] <= p2[0]:
plow = p1
phigh = p2
else:
plow = p2
phigh = p1
self.surf.fill((0, 0, 0))
rec = draw.line(self.surf, (255, 255, 255), p1, p2, line_width)
xinc = yinc = 0
if abs(p1[0] - p2[0]) > abs(p1[1] - p2[1]):
yinc = 1
else:
xinc = 1
for i in range(line_width):
p = (p1[0] + xinc * i, p1[1] + yinc * i)
self.assert_(self.surf.get_at(p) == (255, 255, 255), msg)
p = (p2[0] + xinc * i, p2[1] + yinc * i)
self.assert_(self.surf.get_at(p) == (255, 255, 255), msg)
p = (plow[0] - 1, plow[1])
self.assert_(self.surf.get_at(p) == (0, 0, 0), msg)
p = (plow[0] + xinc * line_width, plow[1] + yinc * line_width)
self.assert_(self.surf.get_at(p) == (0, 0, 0), msg)
p = (phigh[0] + xinc * line_width, phigh[1] + yinc * line_width)
self.assert_(self.surf.get_at(p) == (0, 0, 0), msg)
if p1[0] < p2[0]:
rx = p1[0]
else:
rx = p2[0]
if p1[1] < p2[1]:
ry = p1[1]
else:
ry = p2[1]
w = abs(p2[0] - p1[0]) + 1 + xinc * (line_width - 1)
h = abs(p2[1] - p1[1]) + 1 + yinc * (line_width - 1)
msg += ", %s" % (rec,)
self.assert_(rec == (rx, ry, w, h), msg)
def todo_test_aaline(self):
# __doc__ (as of 2008-08-02) for pygame.draw.aaline:
# pygame.draw.aaline(Surface, color, startpos, endpos, blend=1): return Rect
# draw fine antialiased lines
#
# Draws an anti-aliased line on a surface. This will respect the
# clipping rectangle. A bounding box of the affected area is returned
# returned as a rectangle. If blend is true, the shades will be be
# blended with existing pixel shades instead of overwriting them. This
# function accepts floating point values for the end points.
#
self.fail()
def todo_test_aalines(self):
# __doc__ (as of 2008-08-02) for pygame.draw.aalines:
# pygame.draw.aalines(Surface, color, closed, pointlist, blend=1): return Rect
#
# Draws a sequence on a surface. You must pass at least two points in
# the sequence of points. The closed argument is a simple boolean and
# if true, a line will be draw between the first and last points. The
# boolean blend argument set to true will blend the shades with
# existing shades instead of overwriting them. This function accepts
# floating point values for the end points.
#
self.fail()
def todo_test_arc(self):
# __doc__ (as of 2008-08-02) for pygame.draw.arc:
# pygame.draw.arc(Surface, color, Rect, start_angle, stop_angle,
# width=1): return Rect
#
# draw a partial section of an ellipse
#
# Draws an elliptical arc on the Surface. The rect argument is the
# area that the ellipse will fill. The two angle arguments are the
# initial and final angle in radians, with the zero on the right. The
# width argument is the thickness to draw the outer edge.
#
self.fail()
def todo_test_circle(self):
# __doc__ (as of 2008-08-02) for pygame.draw.circle:
# pygame.draw.circle(Surface, color, pos, radius, width=0): return Rect
# draw a circle around a point
#
# Draws a circular shape on the Surface. The pos argument is the
# center of the circle, and radius is the size. The width argument is
# the thickness to draw the outer edge. If width is zero then the
# circle will be filled.
#
self.fail()
def todo_test_ellipse(self):
# __doc__ (as of 2008-08-02) for pygame.draw.ellipse:
# pygame.draw.ellipse(Surface, color, Rect, width=0): return Rect
# draw a round shape inside a rectangle
#
# Draws an elliptical shape on the Surface. The given rectangle is the
# area that the circle will fill. The width argument is the thickness
# to draw the outer edge. If width is zero then the ellipse will be
# filled.
#
self.fail()
def todo_test_lines(self):
# __doc__ (as of 2008-08-02) for pygame.draw.lines:
# pygame.draw.lines(Surface, color, closed, pointlist, width=1): return Rect
# draw multiple contiguous line segments
#
# Draw a sequence of lines on a Surface. The pointlist argument is a
# series of points that are connected by a line. If the closed
# argument is true an additional line segment is drawn between the
# first and last points.
#
# This does not draw any endcaps or miter joints. Lines with sharp
# corners and wide line widths can have improper looking corners.
#
self.fail()
def todo_test_polygon(self):
# __doc__ (as of 2008-08-02) for pygame.draw.polygon:
# pygame.draw.polygon(Surface, color, pointlist, width=0): return Rect
# draw a shape with any number of sides
#
# Draws a polygonal shape on the Surface. The pointlist argument is
# the vertices of the polygon. The width argument is the thickness to
# draw the outer edge. If width is zero then the polygon will be
# filled.
#
# For aapolygon, use aalines with the 'closed' parameter.
self.fail()
################################################################################
if __name__ == '__main__':
unittest.main()
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