gfxdraw_test.py 文件源码

def test_line(self):
        """line(surface, x1, y1, x2, y2, color): return None"""
        fg = self.foreground_color
        bg = self.background_color
        x1 = 10
        y1 = 15
        x2 = 92
        y2 = 77
        fg_test_points = [(x1, y1), (x2, y2)]
        bg_test_points = [(x1 - 1, y1), (x1, y1 - 1), (x1 - 1, y1 - 1),
                          (x2 + 1, y2), (x2, y2 + 1), (x2 + 1, y2 + 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.line(surf, x1, y1, x2, y2, 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)