cairo/src/cairo-region-private.h

   1 /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
   2 /* Cairo - a vector graphics library with display and print output
   3  *
   4  * Copyright © 2007 Mozilla Corporation
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it either under the terms of the GNU Lesser General Public
   8  * License version 2.1 as published by the Free Software Foundation
   9  * (the "LGPL") or, at your option, under the terms of the Mozilla
  10  * Public License Version 1.1 (the "MPL"). If you do not alter this
  11  * notice, a recipient may use your version of this file under either
  12  * the MPL or the LGPL.
  13  *
  14  * You should have received a copy of the LGPL along with this library
  15  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17  * You should have received a copy of the MPL along with this library
  18  * in the file COPYING-MPL-1.1
  19  *
  20  * The contents of this file are subject to the Mozilla Public License
  21  * Version 1.1 (the "License"); you may not use this file except in
  22  * compliance with the License. You may obtain a copy of the License at
  23  * http://www.mozilla.org/MPL/
  24  *
  25  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  26  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  27  * the specific language governing rights and limitations.
  28  *
  29  * The Original Code is the cairo graphics library.
  30  *
  31  * The Initial Developer of the Original Code is Mozilla Corporation
  32  *
  33  * Contributor(s):
  34  *      Vladimir Vukicevic <vladimir@pobox.com>
  35  */
  36
  37 #ifndef CAIRO_REGION_PRIVATE_H
  38 #define CAIRO_REGION_PRIVATE_H
  39
  40 #include "cairo-compiler-private.h"
  41 #include "cairo-types-private.h"
  42
  43 #include <pixman.h>
  44
  45 CAIRO_BEGIN_DECLS
  46
  47 /* #cairo_region_t is defined in cairoint.h */
  48
  49 struct _cairo_region {
  50     pixman_region32_t rgn;
  51 };
  52
  53 cairo_private void
  54 _cairo_region_init (cairo_region_t *region);
  55
  56 cairo_private void
  57 _cairo_region_init_rect (cairo_region_t *region,
  58                          cairo_rectangle_int_t *rect);
  59
  60 cairo_private cairo_int_status_t
  61 _cairo_region_init_boxes (cairo_region_t *region,
  62                           cairo_box_int_t *boxes,
  63                           int count);
  64
  65 cairo_private void
  66 _cairo_region_fini (cairo_region_t *region);
  67
  68 cairo_private cairo_int_status_t
  69 _cairo_region_copy (cairo_region_t *dst,
  70                     cairo_region_t *src);
  71
  72 cairo_private int
  73 _cairo_region_num_boxes (cairo_region_t *region);
  74
  75 cairo_private cairo_int_status_t
  76 _cairo_region_get_boxes (cairo_region_t *region,
  77                          int *num_boxes,
  78                          cairo_box_int_t **boxes);
  79
  80 cairo_private void
  81 _cairo_region_boxes_fini (cairo_region_t *region,
  82                           cairo_box_int_t *boxes);
  83
  84 cairo_private void
  85 _cairo_region_get_extents (cairo_region_t *region,
  86                            cairo_rectangle_int_t *extents);
  87
  88 cairo_private cairo_int_status_t
  89 _cairo_region_subtract (cairo_region_t *dst,
  90                         cairo_region_t *a,
  91                         cairo_region_t *b);
  92
  93 cairo_private cairo_int_status_t
  94 _cairo_region_intersect (cairo_region_t *dst,
  95                          cairo_region_t *a,
  96                          cairo_region_t *b);
  97
  98 cairo_private cairo_int_status_t
  99 _cairo_region_union_rect (cairo_region_t *dst,
 100                           cairo_region_t *src,
 101                           cairo_rectangle_int_t *rect);
 102
 103 cairo_private cairo_bool_t
 104 _cairo_region_not_empty (cairo_region_t *region);
 105
 106 cairo_private void
 107 _cairo_region_translate (cairo_region_t *region,
 108                          int x, int y);
 109
 110 cairo_private pixman_region_overlap_t
 111 _cairo_region_contains_rectangle (cairo_region_t *region,
 112                                   const cairo_rectangle_int_t *box);
 113
 114
 115 CAIRO_END_DECLS
 116
 117 #endif /* CAIRO_REGION_PRIVATE_H */