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(®ion->region, ®ion->region,
x, y, width, height);
}
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;
}
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;
}
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;
}
