source/libs/cairo/cairo-src/src/cairo-surface-observer-inline.h

   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_SURFACE_OBSERVER_INLINE_H
  37 #define CAIRO_SURFACE_OBSERVER_INLINE_H
  38
  39 #include "cairo-surface-observer-private.h"
  40
  41 static inline cairo_surface_t *
  42 _cairo_surface_observer_get_target (cairo_surface_t *surface)
  43 {
  44     return ((cairo_surface_observer_t *) surface)->target;
  45 }
  46
  47 static inline cairo_bool_t
  48 _cairo_surface_is_observer (cairo_surface_t *surface)
  49 {
  50     return surface->backend->type == (cairo_surface_type_t)CAIRO_INTERNAL_SURFACE_TYPE_OBSERVER;
  51 }
  52
  53 static inline cairo_bool_t
  54 _cairo_device_is_observer (cairo_device_t *device)
  55 {
  56     return device->backend->type == (cairo_device_type_t)CAIRO_INTERNAL_DEVICE_TYPE_OBSERVER;
  57 }
  58
  59 #endif /* CAIRO_SURFACE_OBSERVER_INLINE_H */