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/* 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"
#include "cairo-reference-count-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;
cairo_reference_count_t 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;
/* The actual resolution of the device, in dots per inch. */
double x_resolution;
double y_resolution;
/* The resolution that should be used when generating image-based
* fallback; generally only used by the analysis/paginated
* surfaces
*/
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 */
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