Exemplo n.º 1
0
static void add(struct wl_client * client, struct wl_resource * resource,
                int32_t x, int32_t y, int32_t width, int32_t height)
{
    struct region * region = wl_resource_get_user_data(resource);

    pixman_region32_union_rect(&region->region, &region->region,
                               x, y, width, height);
}
Exemplo n.º 2
0
cairo_int_status_t
_cairo_region_union_rect (cairo_region_t *dst,
			  cairo_region_t *src,
			  cairo_rectangle_int_t *rect)
{
    if (!pixman_region32_union_rect (&dst->rgn, &src->rgn,
				   rect->x, rect->y,
				   rect->width, rect->height))
	return _cairo_error (CAIRO_STATUS_NO_MEMORY);

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 3
0
UwacReturnCode UwacWindowAddDamage(UwacWindow* window, uint32_t x, uint32_t y, uint32_t width,
                                   uint32_t height)
{
#ifdef HAVE_PIXMAN_REGION

	if (!pixman_region32_union_rect(&window->drawingBuffer->damage, &window->drawingBuffer->damage, x,
	                                y, width, height))
#else
	RECTANGLE_16 box;

	box.left = x;
	box.top = y;
	box.right = x + width;
	box.bottom = y + height;

	if (!region16_union_rect(&window->drawingBuffer->damage, &window->drawingBuffer->damage, &box))
#endif
		return UWAC_ERROR_INTERNAL;

	return UWAC_SUCCESS;
}
Exemplo n.º 4
0
int
main ()
{
    pixman_region32_t r1;
    pixman_region32_t r2;
    pixman_region32_t r3;
    pixman_box32_t boxes[] = {
	{ 10, 10, 20, 20 },
	{ 30, 30, 30, 40 },
	{ 50, 45, 60, 44 },
    };
    pixman_box32_t boxes2[] = {
	{ 2, 6, 7, 6 },
	{ 4, 1, 6, 7 },
    };
    pixman_box32_t boxes3[] = {
	{ 2, 6, 7, 6 },
	{ 4, 1, 6, 1 },
    };
    int i, j;
    pixman_box32_t *b;
    pixman_image_t *image, *fill;
    pixman_color_t white = {
	0xffff,
	0xffff,
	0xffff,
	0xffff
    };

    /* This used to go into an infinite loop before pixman-region.c
     * was fixed to not use explict "short" variables
     */
    pixman_region32_init_rect (&r1, 0, 0, 20, 64000);
    pixman_region32_init_rect (&r2, 0, 0, 20, 64000);
    pixman_region32_init_rect (&r3, 0, 0, 20, 64000);

    pixman_region32_subtract (&r1, &r2, &r3);


    /* This would produce a region containing an empty
     * rectangle in it. Such regions are considered malformed,
     * but using an empty rectangle for initialization should
     * work.
     */
    pixman_region32_init_rects (&r1, boxes, 3);

    b = pixman_region32_rectangles (&r1, &i);

    assert (i == 1);
    
    while (i--)
    {
	assert (b[i].x1 < b[i].x2);
	assert (b[i].y1 < b[i].y2);
    }

    /* This would produce a rectangle containing the bounding box
     * of the two rectangles. The correct result is to eliminate
     * the broken rectangle.
     */
    pixman_region32_init_rects (&r1, boxes2, 2);

    b = pixman_region32_rectangles (&r1, &i);

    assert (i == 1);

    assert (b[0].x1 == 4);
    assert (b[0].y1 == 1);
    assert (b[0].x2 == 6);
    assert (b[0].y2 == 7);

    /* This should produce an empty region */
    pixman_region32_init_rects (&r1, boxes3, 2);

    b = pixman_region32_rectangles (&r1, &i);

    assert (i == 0);

    fill = pixman_image_create_solid_fill (&white);
    for (i = 0; i < 100; i++)
    {
	int image_size = 128;

	pixman_region32_init (&r1);

	/* Add some random rectangles */
	for (j = 0; j < 64; j++)
	    pixman_region32_union_rect (&r1, &r1,
					lcg_rand_n (image_size),
					lcg_rand_n (image_size),
					lcg_rand_n (25),
					lcg_rand_n (25));

	/* Clip to image size */
	pixman_region32_init_rect (&r2, 0, 0, image_size, image_size);
	pixman_region32_intersect (&r1, &r1, &r2);
	pixman_region32_fini (&r2);

	/* render region to a1 mask */
	image = pixman_image_create_bits (PIXMAN_a1, image_size, image_size, NULL, 0);
	pixman_image_set_clip_region32 (image, &r1);
	pixman_image_composite32 (PIXMAN_OP_SRC,
				  fill, NULL, image,
				  0, 0, 0, 0, 0, 0,
				  image_size, image_size);
	pixman_region32_init_from_image (&r2, image);

	pixman_image_unref (image);

	assert (pixman_region32_equal (&r1, &r2));
	pixman_region32_fini (&r1);
	pixman_region32_fini (&r2);

    }
    pixman_image_unref (fill);

    return 0;
}