gfxdraw_test.py 文件源码

def test_vline(self):
        """vline(surface, x, y1, y2, color): return None"""
        fg = self.foreground_color
        bg = self.background_color
        x = 50
        starty = 10
        stopy = 80
        fg_test_points = [(x, starty), (x, stopy), (x, (stopy - starty) // 2)]
        bg_test_points = [(x, starty - 1), (x, stopy + 1),
                          (x - 1, starty), (x + 1, starty),
                          (x - 1, stopy), (x + 1, stopy)]
        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.vline(surf, x, starty, stopy, 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)