C++ (Cpp) pixman_region32_n_rects Examples

Example #1

File: cairo-region.c Project: Blueprintts/npm-pdf2svg

/**
 * cairo_region_num_rectangles:
 * @region: a #cairo_region_t
 *
 * Returns the number of rectangles contained in @region.
 *
 * Return value: The number of rectangles contained in @region.
 *
 * Since: 1.10
 **/
int
cairo_region_num_rectangles (const cairo_region_t *region)
{
    if (region->status)
	return 0;

    return pixman_region32_n_rects (CONST_CAST &region->rgn);
}

Example #2

File: pixman-compute-region.c Project: 499940913/moon

static inline pixman_bool_t
miClipPictureReg (pixman_region32_t *	pRegion,
		  pixman_region32_t *	pClip,
		  int		dx,
		  int		dy)
{
    if (pixman_region32_n_rects(pRegion) == 1 &&
	pixman_region32_n_rects(pClip) == 1)
    {
	pixman_box32_t *  pRbox = pixman_region32_rectangles(pRegion, NULL);
	pixman_box32_t *  pCbox = pixman_region32_rectangles(pClip, NULL);
	int	v;
	
	if (pRbox->x1 < (v = pCbox->x1 + dx))
	    pRbox->x1 = BOUND(v);
	if (pRbox->x2 > (v = pCbox->x2 + dx))
	    pRbox->x2 = BOUND(v);
	if (pRbox->y1 < (v = pCbox->y1 + dy))
	    pRbox->y1 = BOUND(v);
	if (pRbox->y2 > (v = pCbox->y2 + dy))
	    pRbox->y2 = BOUND(v);
	if (pRbox->x1 >= pRbox->x2 ||
	    pRbox->y1 >= pRbox->y2)
	{
	    pixman_region32_init (pRegion);
	}
    }
    else if (!pixman_region32_not_empty (pClip))
	return FALSE;
    else
    {
	if (dx || dy)
	    pixman_region32_translate (pRegion, -dx, -dy);
	if (!pixman_region32_intersect (pRegion, pRegion, pClip))
	    return FALSE;
	if (dx || dy)
	    pixman_region32_translate(pRegion, dx, dy);
    }
    return pixman_region32_not_empty(pRegion);
}

Example #3

File: cairo-region.c Project: Yasha/cairo-gral

int
_cairo_region_num_boxes (cairo_region_t *region)
{
    return pixman_region32_n_rects (&region->rgn);
}