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
_cairo_clip_is_all_clipped(const cairo_clip_t * clip)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 *
_cairo_clip_set_all_clipped(cairo_clip_t * clip)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 *
_cairo_clip_copy_intersect_rectangle(const cairo_clip_t * clip,const cairo_rectangle_int_t * r)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 *
_cairo_clip_copy_intersect_clip(const cairo_clip_t * clip,const cairo_clip_t * other)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
_cairo_clip_steal_boxes(cairo_clip_t * clip,cairo_boxes_t * boxes)69 _cairo_clip_steal_boxes (cairo_clip_t *clip, cairo_boxes_t *boxes)
70 {
71 cairo_box_t *array = clip->boxes;
72
73 if (array == &clip->embedded_box) {
74 assert (clip->num_boxes == 1);
75 boxes->boxes_embedded[0] = clip->embedded_box;
76 array = &boxes->boxes_embedded[0];
77 }
78 _cairo_boxes_init_for_array (boxes, array, clip->num_boxes);
79 clip->boxes = NULL;
80 clip->num_boxes = 0;
81 }
82
83 static inline void
_cairo_clip_unsteal_boxes(cairo_clip_t * clip,cairo_boxes_t * boxes)84 _cairo_clip_unsteal_boxes (cairo_clip_t *clip, cairo_boxes_t *boxes)
85 {
86 if (boxes->chunks.base == &boxes->boxes_embedded[0]) {
87 assert(boxes->num_boxes == 1);
88 clip->embedded_box = *boxes->chunks.base;
89 clip->boxes = &clip->embedded_box;
90 } else {
91 clip->boxes = boxes->chunks.base;
92 }
93 clip->num_boxes = boxes->num_boxes;
94 }
95
96 #endif /* CAIRO_CLIP_INLINE_H */
97