def check(self, img, colors):
        glClear(GL_COLOR_BUFFER_BIT)
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
        img.blit(img.anchor_x, img.anchor_y)
        buffer = image.get_buffer_manager().get_color_buffer().get_image_data()
        bytes = buffer.get_data('RGBA', buffer.width * 4)
        def sample(x, y):
            i = y * buffer.pitch + x * len(buffer.format)
            r, g, b, _ = bytes[i:i+len(buffer.format)]
            if type(r) is str:
                r, g, b = map(ord, (r, g, b))
            return {
                (255, 0, 0): 'r',
                (0, 255, 0): 'g',
                (0, 0, 255): 'b',
                (255, 0, 255): 'm'}.get((r, g, b), 'x')

        samples = ''.join([
            sample(3, 3), sample(3, 0), sample(0, 0), sample(0, 3)])
        self.assertTrue(samples == colors, samples)
dataset/ETHPy150Open ardekantur/pyglet/tests/resource/RES_LOAD_IMAGE.py/TestCase.check/original