pixman/pixman-region32.c

/*
 * Copyright © 2008 Red Hat, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Red Hat, Inc. not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. Red Hat, Inc. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: Soren Sandmann <sandmann@redhat.com>
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "pixman-private.h"

#include <stdlib.h>

typedef pixman_box32_t		box_type_t;
typedef pixman_region32_data_t	region_data_type_t;
typedef pixman_region32_t	region_type_t;

typedef struct {
    int x, y;
} point_type_t;

#define PREFIX(x) pixman_region32##x

pixman_bool_t
pixman_region32_copy_from_region16 (pixman_region32_t *dst,
				    pixman_region16_t *src)
{
    int n_boxes, i;
    pixman_box16_t *boxes16;
    pixman_box32_t *boxes32;
    pixman_bool_t retval;
    
    boxes16 = pixman_region_rectangles (src, &n_boxes);

    boxes32 = pixman_malloc_ab (n_boxes, sizeof (pixman_box32_t));

    if (!boxes32)
	return FALSE;
    
    for (i = 0; i < n_boxes; ++i)
    {
	boxes32[i].x1 = boxes16[i].x1;
	boxes32[i].y1 = boxes16[i].y1;
	boxes32[i].x2 = boxes16[i].x2;
	boxes32[i].y2 = boxes16[i].y2;
    }

    pixman_region32_fini (dst);
    retval = pixman_region32_init_rects (dst, boxes32, n_boxes);
    free (boxes32);
    return retval;
}

#include "pixman-region.c"