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/* cairo - a vector graphics library with display and print output
*
* Copyright © 2005 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Red Hat, Inc.
*
* Contributor(s):
* Owen Taylor <otaylor@redhat.com>
*/
#include <cairoint.h>
/**
* _cairo_region_create_from_rectangle:
* @rect: a #cairo_rectangle_t
*
* Creates a region with extents initialized from the given
* rectangle.
*
* Return value: a newly created #pixman_region16_t or %NULL if
* memory couldn't a allocated.
**/
pixman_region16_t *
_cairo_region_create_from_rectangle (cairo_rectangle_t *rect)
{
/* We can't use pixman_region_create_simple(), because it doesn't
* have an error return
*/
pixman_region16_t *region = pixman_region_create ();
if (pixman_region_union_rect (region, region,
rect->x, rect->y,
rect->width, rect->height) != PIXMAN_REGION_STATUS_SUCCESS) {
pixman_region_destroy (region);
return NULL;
}
return region;
}
/**
* _cairo_region_extents_rectangle:
* @region: a #pixman_region16_t
* @rect: rectangle into which to store the extents
*
* Gets the bounding box of a region as a cairo_rectangle_t
**/
void
_cairo_region_extents_rectangle (pixman_region16_t *region,
cairo_rectangle_t *rect)
{
pixman_box16_t *region_extents = pixman_region_extents (region);
rect->x = region_extents->x1;
rect->y = region_extents->y1;
rect->width = region_extents->x2 - region_extents->x1;
rect->height = region_extents->y2 - region_extents->y1;
}
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