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  1. /* cairo - a vector graphics library with display and print output
  2.  *
  3.  * Copyright © 2011 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.  * The Initial Developer of the Original Code is University of Southern
  31.  * California.
  32.  *
  33.  * Contributor(s):
  34.  *      Chris Wilson <chris@chris-wilson.co.uk>
  35.  */
  36.  
  37. #ifndef CAIRO_TRISTRIP_PRIVATE_H
  38. #define CAIRO_TRISTRIP_PRIVATE_H
  39.  
  40. #include "cairo-compiler-private.h"
  41. #include "cairo-error-private.h"
  42. #include "cairo-types-private.h"
  43.  
  44. CAIRO_BEGIN_DECLS
  45.  
  46. struct _cairo_tristrip {
  47.     cairo_status_t status;
  48.  
  49.     /* XXX clipping */
  50.  
  51.     const cairo_box_t *limits;
  52.     int num_limits;
  53.  
  54.     int num_points;
  55.     int size_points;
  56.     cairo_point_t *points;
  57.     cairo_point_t  points_embedded[64];
  58. };
  59.  
  60. cairo_private void
  61. _cairo_tristrip_init (cairo_tristrip_t *strip);
  62.  
  63. cairo_private void
  64. _cairo_tristrip_limit (cairo_tristrip_t *strip,
  65.                        const cairo_box_t        *limits,
  66.                        int                       num_limits);
  67.  
  68. cairo_private void
  69. _cairo_tristrip_init_with_clip (cairo_tristrip_t *strip,
  70.                                 const cairo_clip_t *clip);
  71.  
  72. cairo_private void
  73. _cairo_tristrip_translate (cairo_tristrip_t *strip, int x, int y);
  74.  
  75. cairo_private void
  76. _cairo_tristrip_move_to (cairo_tristrip_t *strip,
  77.                          const cairo_point_t *point);
  78.  
  79. cairo_private void
  80. _cairo_tristrip_add_point (cairo_tristrip_t *strip,
  81.                            const cairo_point_t *point);
  82.  
  83. cairo_private void
  84. _cairo_tristrip_extents (const cairo_tristrip_t *strip,
  85.                          cairo_box_t         *extents);
  86.  
  87. cairo_private void
  88. _cairo_tristrip_fini (cairo_tristrip_t *strip);
  89.  
  90. #define _cairo_tristrip_status(T) ((T)->status)
  91.  
  92. CAIRO_END_DECLS
  93.  
  94. #endif /* CAIRO_TRISTRIP_PRIVATE_H */
  95.