diff options
Diffstat (limited to 'src/cairo-surface-private.h')
| -rw-r--r-- | src/cairo-surface-private.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/cairo-surface-private.h b/src/cairo-surface-private.h new file mode 100644 index 00000000..6193cf80 --- /dev/null +++ b/src/cairo-surface-private.h @@ -0,0 +1,96 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2002 University of Southern California + * Copyright © 2005 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is University of Southern + * California. + * + * Contributor(s): + * Carl D. Worth <cworth@cworth.org> + */ + +#ifndef CAIRO_SURFACE_PRIVATE_H +#define CAIRO_SURFACE_PRIVATE_H + +#include "cairo.h" + +#include "cairo-types-private.h" + +struct _cairo_surface { + const cairo_surface_backend_t *backend; + + /* We allow surfaces to override the backend->type by shoving something + * else into surface->type. This is for "wrapper" surfaces that want to + * hide their internal type from the user-level API. */ + cairo_surface_type_t type; + + cairo_content_t content; + + unsigned int ref_count; + cairo_status_t status; + cairo_bool_t finished; + cairo_user_data_array_t user_data; + + cairo_matrix_t device_transform; + cairo_matrix_t device_transform_inverse; + + double x_fallback_resolution; + double y_fallback_resolution; + + cairo_clip_t *clip; + + /* + * Each time a clip region is modified, it gets the next value in this + * sequence. This means that clip regions for this surface are uniquely + * identified and updates to the clip can be readily identified + */ + unsigned int next_clip_serial; + /* + * The serial number of the current clip. This is set when + * the surface clipping is set. The gstate can then cheaply + * check whether the surface clipping is already correct before + * performing a rendering operation. + * + * The special value '0' is reserved for the unclipped case. + */ + unsigned int current_clip_serial; + + /* A "snapshot" surface is immutable. See _cairo_surface_snapshot. */ + cairo_bool_t is_snapshot; + + /* + * Surface font options, falling back to backend's default options, + * and set using _cairo_surface_set_font_options(), and propagated by + * cairo_surface_create_similar(). + */ + cairo_bool_t has_font_options; + cairo_font_options_t font_options; +}; + +#endif /* CAIRO_SURFACE_PRIVATE_H */ |