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  1. /* cairo - a vector graphics library with display and print output
  2.  *
  3.  * Copyright © 2009 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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.  * Contributor(s):
  31.  *      Chris Wilson <chris@chris-wilson.co.uk>
  32.  */
  33.  
  34. #ifndef CAIRO_BOXES_H
  35. #define CAIRO_BOXES_H
  36.  
  37. #include "cairo-types-private.h"
  38. #include "cairo-compiler-private.h"
  39.  
  40. struct _cairo_boxes_t {
  41.     cairo_status_t status;
  42.     cairo_box_t limit;
  43.     const cairo_box_t *limits;
  44.     int num_limits;
  45.     int num_boxes;
  46.     unsigned int is_pixel_aligned : 1;
  47.  
  48.     struct _cairo_boxes_chunk {
  49.         struct _cairo_boxes_chunk *next;
  50.         cairo_box_t *base;
  51.         int count;
  52.         int size;
  53.     } chunks, *tail;
  54.     cairo_box_t boxes_embedded[32];
  55. };
  56.  
  57. cairo_private void
  58. _cairo_boxes_init (cairo_boxes_t *boxes);
  59.  
  60. cairo_private void
  61. _cairo_boxes_init_for_array (cairo_boxes_t *boxes,
  62.                              cairo_box_t *array,
  63.                              int num_boxes);
  64.  
  65. cairo_private void
  66. _cairo_boxes_limit (cairo_boxes_t       *boxes,
  67.                     const cairo_box_t   *limits,
  68.                     int                  num_limits);
  69.  
  70. cairo_private cairo_status_t
  71. _cairo_boxes_add (cairo_boxes_t *boxes,
  72.                   const cairo_box_t *box);
  73.  
  74. cairo_private void
  75. _cairo_boxes_extents (const cairo_boxes_t *boxes,
  76.                       cairo_rectangle_int_t *extents);
  77.  
  78. cairo_private void
  79. _cairo_boxes_clear (cairo_boxes_t *boxes);
  80.  
  81. cairo_private void
  82. _cairo_boxes_fini (cairo_boxes_t *boxes);
  83.  
  84. #endif /* CAIRO_BOXES_H */
  85.