877 lines
32 KiB
Python
877 lines
32 KiB
Python
import unittest
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import pygame
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import pygame.gfxdraw
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from pygame.locals import *
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from pygame.tests.test_utils import SurfaceSubclass
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def intensity(c, i):
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"""Return color c changed by intensity i
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For 0 <= i <= 127 the color is a shade, with 0 being black, 127 being the
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unaltered color.
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For 128 <= i <= 255 the color is a tint, with 255 being white, 128 the
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unaltered color.
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"""
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r, g, b = c[0:3]
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if 0 <= i <= 127:
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# Darken
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return ((r * i) // 127, (g * i) // 127, (b * i) // 127)
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# Lighten
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return (
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r + ((255 - r) * (255 - i)) // 127,
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g + ((255 - g) * (255 - i)) // 127,
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b + ((255 - b) * (255 - i)) // 127,
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)
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class GfxdrawDefaultTest(unittest.TestCase):
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is_started = False
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foreground_color = (128, 64, 8)
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background_color = (255, 255, 255)
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def make_palette(base_color):
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"""Return color palette that is various intensities of base_color"""
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# Need this function for Python 3.x so the base_color
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# is within the scope of the list comprehension.
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return [intensity(base_color, i) for i in range(0, 256)]
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default_palette = make_palette(foreground_color)
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default_size = (100, 100)
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def check_at(self, surf, posn, color):
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sc = surf.get_at(posn)
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fail_msg = "%s != %s at %s, bitsize: %i, flags: %i, masks: %s" % (
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sc,
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color,
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posn,
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surf.get_bitsize(),
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surf.get_flags(),
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surf.get_masks(),
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)
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self.assertEqual(sc, color, fail_msg)
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def check_not_at(self, surf, posn, color):
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sc = surf.get_at(posn)
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fail_msg = "%s != %s at %s, bitsize: %i, flags: %i, masks: %s" % (
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sc,
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color,
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posn,
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surf.get_bitsize(),
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surf.get_flags(),
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surf.get_masks(),
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)
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self.assertNotEqual(sc, color, fail_msg)
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@classmethod
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def setUpClass(cls):
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# Necessary for Surface.set_palette.
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pygame.init()
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pygame.display.set_mode((1, 1))
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@classmethod
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def tearDownClass(cls):
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pygame.quit()
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def setUp(self):
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# This makes sure pygame is always initialized before each test (in
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# case a test calls pygame.quit()).
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if not pygame.get_init():
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pygame.init()
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Surface = pygame.Surface
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size = self.default_size
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palette = self.default_palette
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if not self.is_started:
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# Create test surfaces
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self.surfaces = [
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Surface(size, 0, 8),
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Surface(size, SRCALPHA, 16),
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Surface(size, SRCALPHA, 32),
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]
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self.surfaces[0].set_palette(palette)
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nonpalette_fmts = (
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# (8, (0xe0, 0x1c, 0x3, 0x0)),
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(12, (0xF00, 0xF0, 0xF, 0x0)),
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(15, (0x7C00, 0x3E0, 0x1F, 0x0)),
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(15, (0x1F, 0x3E0, 0x7C00, 0x0)),
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(16, (0xF00, 0xF0, 0xF, 0xF000)),
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(16, (0xF000, 0xF00, 0xF0, 0xF)),
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(16, (0xF, 0xF0, 0xF00, 0xF000)),
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(16, (0xF0, 0xF00, 0xF000, 0xF)),
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(16, (0x7C00, 0x3E0, 0x1F, 0x8000)),
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(16, (0xF800, 0x7C0, 0x3E, 0x1)),
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(16, (0x1F, 0x3E0, 0x7C00, 0x8000)),
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(16, (0x3E, 0x7C0, 0xF800, 0x1)),
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(16, (0xF800, 0x7E0, 0x1F, 0x0)),
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(16, (0x1F, 0x7E0, 0xF800, 0x0)),
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(24, (0xFF, 0xFF00, 0xFF0000, 0x0)),
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(24, (0xFF0000, 0xFF00, 0xFF, 0x0)),
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(32, (0xFF0000, 0xFF00, 0xFF, 0x0)),
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(32, (0xFF000000, 0xFF0000, 0xFF00, 0x0)),
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(32, (0xFF, 0xFF00, 0xFF0000, 0x0)),
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(32, (0xFF00, 0xFF0000, 0xFF000000, 0x0)),
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(32, (0xFF0000, 0xFF00, 0xFF, 0xFF000000)),
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(32, (0xFF000000, 0xFF0000, 0xFF00, 0xFF)),
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(32, (0xFF, 0xFF00, 0xFF0000, 0xFF000000)),
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(32, (0xFF00, 0xFF0000, 0xFF000000, 0xFF)),
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)
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for bitsize, masks in nonpalette_fmts:
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self.surfaces.append(Surface(size, 0, bitsize, masks))
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for surf in self.surfaces:
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surf.fill(self.background_color)
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def test_gfxdraw__subclassed_surface(self):
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"""Ensure pygame.gfxdraw works on subclassed surfaces."""
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surface = SurfaceSubclass((11, 13), SRCALPHA, 32)
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surface.fill(pygame.Color("blue"))
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expected_color = pygame.Color("red")
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x, y = 1, 2
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pygame.gfxdraw.pixel(surface, x, y, expected_color)
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self.assertEqual(surface.get_at((x, y)), expected_color)
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def test_pixel(self):
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"""pixel(surface, x, y, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.pixel(surf, 2, 2, fg)
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for x in range(1, 4):
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for y in range(1, 4):
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if x == 2 and y == 2:
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self.check_at(surf, (x, y), fg_adjusted)
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else:
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self.check_at(surf, (x, y), bg_adjusted)
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def test_hline(self):
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"""hline(surface, x1, x2, y, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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startx = 10
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stopx = 80
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y = 50
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fg_test_points = [(startx, y), (stopx, y), ((stopx - startx) // 2, y)]
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bg_test_points = [
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(startx - 1, y),
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(stopx + 1, y),
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(startx, y - 1),
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(startx, y + 1),
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(stopx, y - 1),
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(stopx, y + 1),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.hline(surf, startx, stopx, y, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_vline(self):
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"""vline(surface, x, y1, y2, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 50
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starty = 10
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stopy = 80
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fg_test_points = [(x, starty), (x, stopy), (x, (stopy - starty) // 2)]
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bg_test_points = [
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(x, starty - 1),
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(x, stopy + 1),
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(x - 1, starty),
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(x + 1, starty),
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(x - 1, stopy),
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(x + 1, stopy),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.vline(surf, x, starty, stopy, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_rectangle(self):
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"""rectangle(surface, rect, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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rect = pygame.Rect(10, 15, 55, 62)
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rect_tuple = tuple(rect)
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fg_test_points = [
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rect.topleft,
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(rect.right - 1, rect.top),
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(rect.left, rect.bottom - 1),
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(rect.right - 1, rect.bottom - 1),
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]
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bg_test_points = [
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(rect.left - 1, rect.top - 1),
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(rect.left + 1, rect.top + 1),
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(rect.right, rect.top - 1),
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(rect.right - 2, rect.top + 1),
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(rect.left - 1, rect.bottom),
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(rect.left + 1, rect.bottom - 2),
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(rect.right, rect.bottom),
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(rect.right - 2, rect.bottom - 2),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.rectangle(surf, rect, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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surf.fill(bg)
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pygame.gfxdraw.rectangle(surf, rect_tuple, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_box(self):
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"""box(surface, rect, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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rect = pygame.Rect(10, 15, 55, 62)
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rect_tuple = tuple(rect)
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fg_test_points = [
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rect.topleft,
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(rect.left + 1, rect.top + 1),
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(rect.right - 1, rect.top),
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(rect.right - 2, rect.top + 1),
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(rect.left, rect.bottom - 1),
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(rect.left + 1, rect.bottom - 2),
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(rect.right - 1, rect.bottom - 1),
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(rect.right - 2, rect.bottom - 2),
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]
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bg_test_points = [
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(rect.left - 1, rect.top - 1),
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(rect.right, rect.top - 1),
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(rect.left - 1, rect.bottom),
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(rect.right, rect.bottom),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.box(surf, rect, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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surf.fill(bg)
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pygame.gfxdraw.box(surf, rect_tuple, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_line(self):
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"""line(surface, x1, y1, x2, y2, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x1 = 10
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y1 = 15
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x2 = 92
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y2 = 77
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fg_test_points = [(x1, y1), (x2, y2)]
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bg_test_points = [
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(x1 - 1, y1),
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(x1, y1 - 1),
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(x1 - 1, y1 - 1),
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(x2 + 1, y2),
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(x2, y2 + 1),
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(x2 + 1, y2 + 1),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.line(surf, x1, y1, x2, y2, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_circle(self):
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"""circle(surface, x, y, r, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 45
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y = 40
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r = 30
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fg_test_points = [(x, y - r), (x, y + r), (x - r, y), (x + r, y)]
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bg_test_points = [
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(x, y),
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(x, y - r + 1),
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(x, y - r - 1),
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(x, y + r + 1),
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(x, y + r - 1),
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(x - r - 1, y),
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(x - r + 1, y),
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(x + r + 1, y),
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(x + r - 1, y),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.circle(surf, x, y, r, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_arc(self):
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"""arc(surface, x, y, r, start, end, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 45
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y = 40
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r = 30
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start = 0 # +x direction, but not (x + r, y) (?)
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end = 90 # -y direction, including (x, y + r)
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fg_test_points = [(x, y + r), (x + r, y + 1)]
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bg_test_points = [
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(x, y),
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(x, y - r),
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(x - r, y),
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(x, y + r + 1),
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(x, y + r - 1),
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(x - 1, y + r),
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(x + r + 1, y),
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(x + r - 1, y),
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(x + r, y),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.arc(surf, x, y, r, start, end, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_aacircle(self):
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"""aacircle(surface, x, y, r, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 45
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y = 40
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r = 30
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fg_test_points = [(x, y - r), (x, y + r), (x - r, y), (x + r, y)]
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bg_test_points = [
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(x, y),
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(x, y - r + 1),
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(x, y - r - 1),
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(x, y + r + 1),
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(x, y + r - 1),
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(x - r - 1, y),
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(x - r + 1, y),
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(x + r + 1, y),
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(x + r - 1, y),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.aacircle(surf, x, y, r, fg)
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for posn in fg_test_points:
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self.check_not_at(surf, posn, bg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_filled_circle(self):
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"""filled_circle(surface, x, y, r, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 45
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y = 40
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r = 30
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fg_test_points = [
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(x, y - r),
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(x, y - r + 1),
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(x, y + r),
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(x, y + r - 1),
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(x - r, y),
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(x - r + 1, y),
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(x + r, y),
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(x + r - 1, y),
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(x, y),
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]
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bg_test_points = [
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(x, y - r - 1),
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(x, y + r + 1),
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(x - r - 1, y),
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(x + r + 1, y),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.filled_circle(surf, x, y, r, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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def test_ellipse(self):
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"""ellipse(surface, x, y, rx, ry, color): return None"""
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fg = self.foreground_color
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bg = self.background_color
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x = 45
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y = 40
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rx = 30
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ry = 35
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fg_test_points = [(x, y - ry), (x, y + ry), (x - rx, y), (x + rx, y)]
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bg_test_points = [
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(x, y),
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(x, y - ry + 1),
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(x, y - ry - 1),
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(x, y + ry + 1),
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(x, y + ry - 1),
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(x - rx - 1, y),
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(x - rx + 1, y),
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(x + rx + 1, y),
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(x + rx - 1, y),
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]
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for surf in self.surfaces:
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fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
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bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
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pygame.gfxdraw.ellipse(surf, x, y, rx, ry, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_aaellipse(self):
|
|
"""aaellipse(surface, x, y, rx, ry, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x = 45
|
|
y = 40
|
|
rx = 30
|
|
ry = 35
|
|
fg_test_points = [(x, y - ry), (x, y + ry), (x - rx, y), (x + rx, y)]
|
|
bg_test_points = [
|
|
(x, y),
|
|
(x, y - ry + 1),
|
|
(x, y - ry - 1),
|
|
(x, y + ry + 1),
|
|
(x, y + ry - 1),
|
|
(x - rx - 1, y),
|
|
(x - rx + 1, y),
|
|
(x + rx + 1, y),
|
|
(x + rx - 1, y),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.aaellipse(surf, x, y, rx, ry, fg)
|
|
for posn in fg_test_points:
|
|
self.check_not_at(surf, posn, bg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_filled_ellipse(self):
|
|
"""filled_ellipse(surface, x, y, rx, ry, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x = 45
|
|
y = 40
|
|
rx = 30
|
|
ry = 35
|
|
fg_test_points = [
|
|
(x, y - ry),
|
|
(x, y - ry + 1),
|
|
(x, y + ry),
|
|
(x, y + ry - 1),
|
|
(x - rx, y),
|
|
(x - rx + 1, y),
|
|
(x + rx, y),
|
|
(x + rx - 1, y),
|
|
(x, y),
|
|
]
|
|
bg_test_points = [
|
|
(x, y - ry - 1),
|
|
(x, y + ry + 1),
|
|
(x - rx - 1, y),
|
|
(x + rx + 1, y),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.filled_ellipse(surf, x, y, rx, ry, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_pie(self):
|
|
"""pie(surface, x, y, r, start, end, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x = 45
|
|
y = 40
|
|
r = 30
|
|
start = 0 # +x direction, including (x + r, y)
|
|
end = 90 # -y direction, but not (x, y + r) (?)
|
|
fg_test_points = [(x, y), (x + 1, y), (x, y + 1), (x + r, y)]
|
|
bg_test_points = [
|
|
(x - 1, y),
|
|
(x, y - 1),
|
|
(x - 1, y - 1),
|
|
(x + 1, y + 1),
|
|
(x + r + 1, y),
|
|
(x + r, y - 1),
|
|
(x, y + r + 1),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.pie(surf, x, y, r, start, end, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_trigon(self):
|
|
"""trigon(surface, x1, y1, x2, y2, x3, y3, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x1 = 10
|
|
y1 = 15
|
|
x2 = 92
|
|
y2 = 77
|
|
x3 = 20
|
|
y3 = 60
|
|
fg_test_points = [(x1, y1), (x2, y2), (x3, y3)]
|
|
bg_test_points = [
|
|
(x1 - 1, y1 - 1),
|
|
(x2 + 1, y2 + 1),
|
|
(x3 - 1, y3 + 1),
|
|
(x1 + 10, y1 + 30),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.trigon(surf, x1, y1, x2, y2, x3, y3, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_aatrigon(self):
|
|
"""aatrigon(surface, x1, y1, x2, y2, x3, y3, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x1 = 10
|
|
y1 = 15
|
|
x2 = 92
|
|
y2 = 77
|
|
x3 = 20
|
|
y3 = 60
|
|
fg_test_points = [(x1, y1), (x2, y2), (x3, y3)]
|
|
bg_test_points = [
|
|
(x1 - 1, y1 - 1),
|
|
(x2 + 1, y2 + 1),
|
|
(x3 - 1, y3 + 1),
|
|
(x1 + 10, y1 + 30),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.aatrigon(surf, x1, y1, x2, y2, x3, y3, fg)
|
|
for posn in fg_test_points:
|
|
self.check_not_at(surf, posn, bg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_aatrigon__with_horizontal_edge(self):
|
|
"""Ensure aatrigon draws horizontal edges correctly.
|
|
|
|
This test creates 2 surfaces and draws an aatrigon on each. The pixels
|
|
on each surface are compared to ensure they are the same. The only
|
|
difference between the 2 aatrigons is the order the points are drawn.
|
|
The order of the points should have no impact on the final drawing.
|
|
|
|
Related to issue #622.
|
|
"""
|
|
bg_color = pygame.Color("white")
|
|
line_color = pygame.Color("black")
|
|
width, height = 11, 10
|
|
expected_surface = pygame.Surface((width, height), 0, 32)
|
|
expected_surface.fill(bg_color)
|
|
surface = pygame.Surface((width, height), 0, 32)
|
|
surface.fill(bg_color)
|
|
|
|
x1, y1 = width - 1, 0
|
|
x2, y2 = (width - 1) // 2, height - 1
|
|
x3, y3 = 0, 0
|
|
|
|
# The points in this order draw as expected.
|
|
pygame.gfxdraw.aatrigon(expected_surface, x1, y1, x2, y2, x3, y3, line_color)
|
|
|
|
# The points in reverse order fail to draw the horizontal edge along
|
|
# the top.
|
|
pygame.gfxdraw.aatrigon(surface, x3, y3, x2, y2, x1, y1, line_color)
|
|
|
|
# The surfaces are locked for a possible speed up of pixel access.
|
|
expected_surface.lock()
|
|
surface.lock()
|
|
for x in range(width):
|
|
for y in range(height):
|
|
self.assertEqual(
|
|
expected_surface.get_at((x, y)),
|
|
surface.get_at((x, y)),
|
|
f"pos=({x}, {y})",
|
|
)
|
|
|
|
surface.unlock()
|
|
expected_surface.unlock()
|
|
|
|
def test_filled_trigon(self):
|
|
"""filled_trigon(surface, x1, y1, x2, y2, x3, y3, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
x1 = 10
|
|
y1 = 15
|
|
x2 = 92
|
|
y2 = 77
|
|
x3 = 20
|
|
y3 = 60
|
|
fg_test_points = [(x1, y1), (x2, y2), (x3, y3), (x1 + 10, y1 + 30)]
|
|
bg_test_points = [(x1 - 1, y1 - 1), (x2 + 1, y2 + 1), (x3 - 1, y3 + 1)]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.filled_trigon(surf, x1, y1, x2, y2, x3, y3, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_polygon(self):
|
|
"""polygon(surface, points, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
points = [(10, 80), (10, 15), (92, 25), (92, 80)]
|
|
fg_test_points = points + [
|
|
(points[0][0], points[0][1] - 1),
|
|
(points[0][0] + 1, points[0][1]),
|
|
(points[3][0] - 1, points[3][1]),
|
|
(points[3][0], points[3][1] - 1),
|
|
(points[2][0], points[2][1] + 1),
|
|
]
|
|
bg_test_points = [
|
|
(points[0][0] - 1, points[0][1]),
|
|
(points[0][0], points[0][1] + 1),
|
|
(points[0][0] - 1, points[0][1] + 1),
|
|
(points[0][0] + 1, points[0][1] - 1),
|
|
(points[3][0] + 1, points[3][1]),
|
|
(points[3][0], points[3][1] + 1),
|
|
(points[3][0] + 1, points[3][1] + 1),
|
|
(points[3][0] - 1, points[3][1] - 1),
|
|
(points[2][0] + 1, points[2][1]),
|
|
(points[2][0] - 1, points[2][1] + 1),
|
|
(points[1][0] - 1, points[1][1]),
|
|
(points[1][0], points[1][1] - 1),
|
|
(points[1][0] - 1, points[1][1] - 1),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.polygon(surf, points, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_aapolygon(self):
|
|
"""aapolygon(surface, points, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
points = [(10, 80), (10, 15), (92, 25), (92, 80)]
|
|
fg_test_points = points
|
|
bg_test_points = [
|
|
(points[0][0] - 1, points[0][1]),
|
|
(points[0][0], points[0][1] + 1),
|
|
(points[0][0] - 1, points[0][1] + 1),
|
|
(points[0][0] + 1, points[0][1] - 1),
|
|
(points[3][0] + 1, points[3][1]),
|
|
(points[3][0], points[3][1] + 1),
|
|
(points[3][0] + 1, points[3][1] + 1),
|
|
(points[3][0] - 1, points[3][1] - 1),
|
|
(points[2][0] + 1, points[2][1]),
|
|
(points[2][0] - 1, points[2][1] + 1),
|
|
(points[1][0] - 1, points[1][1]),
|
|
(points[1][0], points[1][1] - 1),
|
|
(points[1][0] - 1, points[1][1] - 1),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.aapolygon(surf, points, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_not_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_aapolygon__with_horizontal_edge(self):
|
|
"""Ensure aapolygon draws horizontal edges correctly.
|
|
|
|
This test creates 2 surfaces and draws a polygon on each. The pixels
|
|
on each surface are compared to ensure they are the same. The only
|
|
difference between the 2 polygons is that one is drawn using
|
|
aapolygon() and the other using multiple line() calls. They should
|
|
produce the same final drawing.
|
|
|
|
Related to issue #622.
|
|
"""
|
|
bg_color = pygame.Color("white")
|
|
line_color = pygame.Color("black")
|
|
width, height = 11, 10
|
|
expected_surface = pygame.Surface((width, height), 0, 32)
|
|
expected_surface.fill(bg_color)
|
|
surface = pygame.Surface((width, height), 0, 32)
|
|
surface.fill(bg_color)
|
|
|
|
points = ((0, 0), (0, height - 1), (width - 1, height - 1), (width - 1, 0))
|
|
|
|
# The points are used to draw the expected aapolygon using the line()
|
|
# function.
|
|
for (x1, y1), (x2, y2) in zip(points, points[1:] + points[:1]):
|
|
pygame.gfxdraw.line(expected_surface, x1, y1, x2, y2, line_color)
|
|
|
|
# The points in this order fail to draw the horizontal edge along
|
|
# the top.
|
|
pygame.gfxdraw.aapolygon(surface, points, line_color)
|
|
|
|
# The surfaces are locked for a possible speed up of pixel access.
|
|
expected_surface.lock()
|
|
surface.lock()
|
|
for x in range(width):
|
|
for y in range(height):
|
|
self.assertEqual(
|
|
expected_surface.get_at((x, y)),
|
|
surface.get_at((x, y)),
|
|
f"pos=({x}, {y})",
|
|
)
|
|
|
|
surface.unlock()
|
|
expected_surface.unlock()
|
|
|
|
def test_filled_polygon(self):
|
|
"""filled_polygon(surface, points, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
points = [(10, 80), (10, 15), (92, 25), (92, 80)]
|
|
fg_test_points = points + [
|
|
(points[0][0], points[0][1] - 1),
|
|
(points[0][0] + 1, points[0][1]),
|
|
(points[0][0] + 1, points[0][1] - 1),
|
|
(points[3][0] - 1, points[3][1]),
|
|
(points[3][0], points[3][1] - 1),
|
|
(points[3][0] - 1, points[3][1] - 1),
|
|
(points[2][0], points[2][1] + 1),
|
|
(points[2][0] - 1, points[2][1] + 1),
|
|
]
|
|
bg_test_points = [
|
|
(points[0][0] - 1, points[0][1]),
|
|
(points[0][0], points[0][1] + 1),
|
|
(points[0][0] - 1, points[0][1] + 1),
|
|
(points[3][0] + 1, points[3][1]),
|
|
(points[3][0], points[3][1] + 1),
|
|
(points[3][0] + 1, points[3][1] + 1),
|
|
(points[2][0] + 1, points[2][1]),
|
|
(points[1][0] - 1, points[1][1]),
|
|
(points[1][0], points[1][1] - 1),
|
|
(points[1][0] - 1, points[1][1] - 1),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.filled_polygon(surf, points, fg)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
def test_textured_polygon(self):
|
|
"""textured_polygon(surface, points, texture, tx, ty): return None"""
|
|
w, h = self.default_size
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
tx = 0
|
|
ty = 0
|
|
texture = pygame.Surface((w + tx, h + ty), 0, 24)
|
|
texture.fill(fg, (0, 0, w, h))
|
|
points = [(10, 80), (10, 15), (92, 25), (92, 80)]
|
|
# Don't know how to really check this as boarder points may
|
|
# or may not be included in the textured polygon.
|
|
fg_test_points = [(points[1][0] + 30, points[1][1] + 40)]
|
|
bg_test_points = [
|
|
(points[0][0] - 1, points[0][1]),
|
|
(points[0][0], points[0][1] + 1),
|
|
(points[0][0] - 1, points[0][1] + 1),
|
|
(points[3][0] + 1, points[3][1]),
|
|
(points[3][0], points[3][1] + 1),
|
|
(points[3][0] + 1, points[3][1] + 1),
|
|
(points[2][0] + 1, points[2][1]),
|
|
(points[1][0] - 1, points[1][1]),
|
|
(points[1][0], points[1][1] - 1),
|
|
(points[1][0] - 1, points[1][1] - 1),
|
|
]
|
|
for surf in self.surfaces[1:]:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.textured_polygon(surf, points, texture, -tx, -ty)
|
|
for posn in fg_test_points:
|
|
self.check_at(surf, posn, fg_adjusted)
|
|
for posn in bg_test_points:
|
|
self.check_at(surf, posn, bg_adjusted)
|
|
|
|
# Alpha blit to 8 bits-per-pixel surface forbidden.
|
|
texture = pygame.Surface(self.default_size, SRCALPHA, 32)
|
|
self.assertRaises(
|
|
ValueError,
|
|
pygame.gfxdraw.textured_polygon,
|
|
self.surfaces[0],
|
|
points,
|
|
texture,
|
|
0,
|
|
0,
|
|
)
|
|
|
|
def test_bezier(self):
|
|
"""bezier(surface, points, steps, color): return None"""
|
|
fg = self.foreground_color
|
|
bg = self.background_color
|
|
points = [(10, 50), (25, 15), (60, 80), (92, 30)]
|
|
fg_test_points = [points[0], points[3]]
|
|
bg_test_points = [
|
|
(points[0][0] - 1, points[0][1]),
|
|
(points[3][0] + 1, points[3][1]),
|
|
(points[1][0], points[1][1] + 3),
|
|
(points[2][0], points[2][1] - 3),
|
|
]
|
|
for surf in self.surfaces:
|
|
fg_adjusted = surf.unmap_rgb(surf.map_rgb(fg))
|
|
bg_adjusted = surf.unmap_rgb(surf.map_rgb(bg))
|
|
pygame.gfxdraw.bezier(surf, points, 30, fg)
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for posn in fg_test_points:
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self.check_at(surf, posn, fg_adjusted)
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for posn in bg_test_points:
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self.check_at(surf, posn, bg_adjusted)
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if __name__ == "__main__":
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unittest.main()
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