Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /* cairo - a vector graphics library with display and print output
  2.  *
  3.  * Copyright © 2002 University of Southern California
  4.  * Copyright © 2005 Red Hat, Inc.
  5.  *
  6.  * This library is free software; you can redistribute it and/or
  7.  * modify it either under the terms of the GNU Lesser General Public
  8.  * License version 2.1 as published by the Free Software Foundation
  9.  * (the "LGPL") or, at your option, under the terms of the Mozilla
  10.  * Public License Version 1.1 (the "MPL"). If you do not alter this
  11.  * notice, a recipient may use your version of this file under either
  12.  * the MPL or the LGPL.
  13.  *
  14.  * You should have received a copy of the LGPL along with this library
  15.  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  17.  * You should have received a copy of the MPL along with this library
  18.  * in the file COPYING-MPL-1.1
  19.  *
  20.  * The contents of this file are subject to the Mozilla Public License
  21.  * Version 1.1 (the "License"); you may not use this file except in
  22.  * compliance with the License. You may obtain a copy of the License at
  23.  * http://www.mozilla.org/MPL/
  24.  *
  25.  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  26.  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  27.  * the specific language governing rights and limitations.
  28.  *
  29.  * The Original Code is the cairo graphics library.
  30.  *
  31.  * The Initial Developer of the Original Code is University of Southern
  32.  * California.
  33.  *
  34.  * Contributor(s):
  35.  *      Carl D. Worth <cworth@cworth.org>
  36.  */
  37.  
  38. #ifndef CAIRO_SURFACE_PRIVATE_H
  39. #define CAIRO_SURFACE_PRIVATE_H
  40.  
  41. #include "cairo.h"
  42.  
  43. #include "cairo-types-private.h"
  44. #include "cairo-list-private.h"
  45. #include "cairo-reference-count-private.h"
  46. #include "cairo-clip-private.h"
  47. #include "cairo-surface-backend-private.h"
  48.  
  49. typedef void (*cairo_surface_func_t) (cairo_surface_t *);
  50.  
  51. struct _cairo_surface {
  52.     const cairo_surface_backend_t *backend;
  53.     cairo_device_t *device;
  54.  
  55.     /* We allow surfaces to override the backend->type by shoving something
  56.      * else into surface->type. This is for "wrapper" surfaces that want to
  57.      * hide their internal type from the user-level API. */
  58.     cairo_surface_type_t type;
  59.  
  60.     cairo_content_t content;
  61.  
  62.     cairo_reference_count_t ref_count;
  63.     cairo_status_t status;
  64.     unsigned int unique_id;
  65.     unsigned int serial;
  66.     cairo_damage_t *damage;
  67.  
  68.     unsigned _finishing : 1;
  69.     unsigned finished : 1;
  70.     unsigned is_clear : 1;
  71.     unsigned has_font_options : 1;
  72.     unsigned owns_device : 1;
  73.  
  74.     cairo_user_data_array_t user_data;
  75.     cairo_user_data_array_t mime_data;
  76.  
  77.     cairo_matrix_t device_transform;
  78.     cairo_matrix_t device_transform_inverse;
  79.     cairo_list_t device_transform_observers;
  80.  
  81.     /* The actual resolution of the device, in dots per inch. */
  82.     double x_resolution;
  83.     double y_resolution;
  84.  
  85.     /* The resolution that should be used when generating image-based
  86.      * fallback; generally only used by the analysis/paginated
  87.      * surfaces
  88.      */
  89.     double x_fallback_resolution;
  90.     double y_fallback_resolution;
  91.  
  92.     /* A "snapshot" surface is immutable. See _cairo_surface_snapshot. */
  93.     cairo_surface_t *snapshot_of;
  94.     cairo_surface_func_t snapshot_detach;
  95.     /* current snapshots of this surface*/
  96.     cairo_list_t snapshots;
  97.     /* place upon snapshot list */
  98.     cairo_list_t snapshot;
  99.  
  100.     /*
  101.      * Surface font options, falling back to backend's default options,
  102.      * and set using _cairo_surface_set_font_options(), and propagated by
  103.      * cairo_surface_create_similar().
  104.      */
  105.     cairo_font_options_t font_options;
  106. };
  107.  
  108. cairo_private cairo_surface_t *
  109. _cairo_surface_create_in_error (cairo_status_t status);
  110.  
  111. cairo_private cairo_surface_t *
  112. _cairo_int_surface_create_in_error (cairo_int_status_t status);
  113.  
  114. cairo_private cairo_surface_t *
  115. _cairo_surface_get_source (cairo_surface_t *surface,
  116.                            cairo_rectangle_int_t *extents);
  117.  
  118. cairo_private cairo_status_t
  119. _cairo_surface_flush (cairo_surface_t *surface, unsigned flags);
  120.  
  121. #endif /* CAIRO_SURFACE_PRIVATE_H */
  122.