/* 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; }