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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* Cairo - a vector graphics library with display and print output
*
* Copyright © 2007 Mozilla Corporation
*
* 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 Mozilla Corporation
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*/
#ifndef CAIRO_REGION_PRIVATE_H
#define CAIRO_REGION_PRIVATE_H
#include "cairo-compiler-private.h"
#include "cairo-types-private.h"
#include <pixman.h>
CAIRO_BEGIN_DECLS
/* #cairo_region_t is defined in cairoint.h */
struct _cairo_region {
cairo_status_t status;
pixman_region32_t rgn;
};
typedef enum _cairo_region_overlap {
CAIRO_REGION_OVERLAP_IN, /* completely inside region */
CAIRO_REGION_OVERLAP_OUT, /* completely outside region */
CAIRO_REGION_OVERLAP_PART, /* partly inside region */
} cairo_region_overlap_t;
cairo_private cairo_region_t *
cairo_region_create (void);
cairo_private cairo_region_t *
cairo_region_create_rect (cairo_rectangle_int_t *rect);
cairo_private cairo_status_t
cairo_region_status (cairo_region_t *region);
cairo_private void
cairo_region_clear (cairo_region_t *region);
cairo_private cairo_region_t *
cairo_region_create_rectangles (cairo_rectangle_int_t *rects,
int count);
cairo_private void
cairo_region_destroy (cairo_region_t *region);
cairo_private cairo_region_t *
cairo_region_copy (cairo_region_t *original);
cairo_private int
cairo_region_num_rectangles (cairo_region_t *region);
cairo_private void
cairo_region_get_rectangle (cairo_region_t *region,
int nth_rectangle,
cairo_rectangle_int_t *rectangle);
cairo_private void
cairo_region_get_extents (cairo_region_t *region,
cairo_rectangle_int_t *extents);
cairo_private cairo_status_t
cairo_region_subtract (cairo_region_t *dst,
cairo_region_t *other);
cairo_private cairo_status_t
cairo_region_intersect (cairo_region_t *dst,
cairo_region_t *other);
cairo_private cairo_status_t
cairo_region_union (cairo_region_t *dst,
cairo_region_t *other);
cairo_private cairo_status_t
cairo_region_union_rect (cairo_region_t *dst,
cairo_rectangle_int_t *rect);
cairo_private cairo_bool_t
cairo_region_empty (cairo_region_t *region);
cairo_private void
cairo_region_translate (cairo_region_t *region,
int dx, int dy);
cairo_private cairo_region_overlap_t
cairo_region_contains_rectangle (cairo_region_t *region,
const cairo_rectangle_int_t *rect);
cairo_private cairo_bool_t
cairo_region_contains_point (cairo_region_t *region,
int x, int y);
CAIRO_END_DECLS
#endif /* CAIRO_REGION_PRIVATE_H */
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