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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 Intel Corporation
  31.  *
  32.  * Contributor(s):
  33.  *      Chris Wilson <chris@chris-wilson.co.uk>
  34.  */
  35.  
  36. #ifndef CAIRO_CONTOUR_INLINE_H
  37. #define CAIRO_CONTOUR_INLINE_H
  38.  
  39. #include "cairo-contour-private.h"
  40.  
  41. CAIRO_BEGIN_DECLS
  42.  
  43. static inline cairo_int_status_t
  44. _cairo_contour_add_point (cairo_contour_t *contour,
  45.                           const cairo_point_t *point)
  46. {
  47.     struct _cairo_contour_chain *tail = contour->tail;
  48.  
  49.     if (unlikely (tail->num_points == tail->size_points))
  50.         return __cairo_contour_add_point (contour, point);
  51.  
  52.     tail->points[tail->num_points++] = *point;
  53.     return CAIRO_INT_STATUS_SUCCESS;
  54. }
  55.  
  56. static inline cairo_point_t *
  57. _cairo_contour_first_point (cairo_contour_t *c)
  58. {
  59.     return &c->chain.points[0];
  60. }
  61.  
  62. static inline cairo_point_t *
  63. _cairo_contour_last_point (cairo_contour_t *c)
  64. {
  65.     return &c->tail->points[c->tail->num_points-1];
  66. }
  67.  
  68. static inline void
  69. _cairo_contour_remove_last_point (cairo_contour_t *contour)
  70. {
  71.     if (contour->chain.num_points == 0)
  72.         return;
  73.  
  74.     if (--contour->tail->num_points == 0)
  75.         __cairo_contour_remove_last_chain (contour);
  76. }
  77.  
  78. CAIRO_END_DECLS
  79.  
  80. #endif /* CAIRO_CONTOUR_INLINE_H */
  81.