source/libs/cairo/cairo-src/src/cairo-damage-private.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2012 Intel Corporation
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  * The Original Code is the cairo graphics library.
  29  *
  30  * The Initial Developer of the Original Code is Chris Wilson
  31  *
  32  * Contributor(s):
  33  *      Chris Wilson <chris@chris-wilson.co.uk>
  34  */
  35
  36 #ifndef CAIRO_DAMAGE_PRIVATE_H
  37 #define CAIRO_DAMAGE_PRIVATE_H
  38
  39 #include "cairo-types-private.h"
  40
  41 #include <pixman.h>
  42
  43 CAIRO_BEGIN_DECLS
  44
  45 struct _cairo_damage {
  46     cairo_status_t status;
  47     cairo_region_t *region;
  48
  49     int dirty, remain;
  50     struct _cairo_damage_chunk {
  51         struct _cairo_damage_chunk *next;
  52         cairo_box_t *base;
  53         int count;
  54         int size;
  55     } chunks, *tail;
  56     cairo_box_t boxes[32];
  57 };
  58
  59 cairo_private cairo_damage_t *
  60 _cairo_damage_create (void);
  61
  62 cairo_private cairo_damage_t *
  63 _cairo_damage_create_in_error (cairo_status_t status);
  64
  65 cairo_private cairo_damage_t *
  66 _cairo_damage_add_box (cairo_damage_t *damage,
  67                        const cairo_box_t *box);
  68
  69 cairo_private cairo_damage_t *
  70 _cairo_damage_add_rectangle (cairo_damage_t *damage,
  71                              const cairo_rectangle_int_t *rect);
  72
  73 cairo_private cairo_damage_t *
  74 _cairo_damage_add_region (cairo_damage_t *damage,
  75                           const cairo_region_t *region);
  76
  77 cairo_private cairo_damage_t *
  78 _cairo_damage_reduce (cairo_damage_t *damage);
  79
  80 cairo_private void
  81 _cairo_damage_destroy (cairo_damage_t *damage);
  82
  83 CAIRO_END_DECLS
  84
  85 #endif /* CAIRO_DAMAGE_PRIVATE_H */