source/libs/cairo/cairo-src/src/cairo-clip-inline.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2005 Red Hat, Inc.
   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 Red Hat, Inc.
  31  *
  32  * Contributor(s):
  33  *      Kristian Høgsberg <krh@redhat.com>
  34  *      Chris Wilson <chris@chris-wilson.co.uk>
  35  */
  36
  37 #ifndef CAIRO_CLIP_INLINE_H
  38 #define CAIRO_CLIP_INLINE_H
  39
  40 #include "cairo-clip-private.h"
  41
  42 static inline cairo_bool_t _cairo_clip_is_all_clipped(const cairo_clip_t *clip)
  43 {
  44     return clip == &__cairo_clip_all;
  45 }
  46
  47 static inline cairo_clip_t *
  48 _cairo_clip_set_all_clipped (cairo_clip_t *clip)
  49 {
  50     _cairo_clip_destroy (clip);
  51     return (cairo_clip_t *) &__cairo_clip_all;
  52 }
  53
  54 static inline cairo_clip_t *
  55 _cairo_clip_copy_intersect_rectangle (const cairo_clip_t       *clip,
  56                                       const cairo_rectangle_int_t *r)
  57 {
  58     return _cairo_clip_intersect_rectangle (_cairo_clip_copy (clip), r);
  59 }
  60
  61 static inline cairo_clip_t *
  62 _cairo_clip_copy_intersect_clip (const cairo_clip_t *clip,
  63                                  const cairo_clip_t *other)
  64 {
  65     return _cairo_clip_intersect_clip (_cairo_clip_copy (clip), other);
  66 }
  67
  68 static inline void
  69 _cairo_clip_steal_boxes (cairo_clip_t *clip, cairo_boxes_t *boxes)
  70 {
  71     _cairo_boxes_init_for_array (boxes, clip->boxes, clip->num_boxes);
  72     clip->boxes = NULL;
  73     clip->num_boxes = 0;
  74 }
  75
  76 static inline void
  77 _cairo_clip_unsteal_boxes (cairo_clip_t *clip, cairo_boxes_t *boxes)
  78 {
  79     clip->boxes = boxes->chunks.base;
  80     clip->num_boxes = boxes->num_boxes;
  81 }
  82
  83 #endif /* CAIRO_CLIP_INLINE_H */