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/* cairo - a vector graphics library with display and print output
*
* 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 Red Hat, Inc.
*
* Contributor(s):
* Kristian Høgsberg <krh@redhat.com>
*/
#ifndef CAIRO_CLIP_PRIVATE_H
#define CAIRO_CLIP_PRIVATE_H
#include "cairo-types-private.h"
#include "cairo-compiler-private.h"
#include "cairo-path-fixed-private.h"
#include "cairo-reference-count-private.h"
extern const cairo_private cairo_rectangle_list_t _cairo_rectangles_nil;
enum {
CAIRO_CLIP_PATH_HAS_REGION = 0x1,
CAIRO_CLIP_PATH_REGION_IS_UNSUPPORTED = 0x2,
CAIRO_CLIP_PATH_IS_BOX = 0x4
};
struct _cairo_clip_path {
cairo_reference_count_t ref_count;
cairo_path_fixed_t path;
cairo_fill_rule_t fill_rule;
double tolerance;
cairo_antialias_t antialias;
cairo_clip_path_t *prev;
cairo_rectangle_int_t extents;
/* partial caches */
unsigned int flags;
cairo_region_t *region;
cairo_surface_t *surface;
};
struct _cairo_clip {
/* can be used as a cairo_hash_entry_t for live clips */
cairo_clip_path_t *path;
cairo_bool_t all_clipped;
};
cairo_private void
_cairo_clip_init (cairo_clip_t *clip);
cairo_private_no_warn cairo_clip_t *
_cairo_clip_init_copy (cairo_clip_t *clip, cairo_clip_t *other);
cairo_private cairo_status_t
_cairo_clip_init_copy_transformed (cairo_clip_t *clip,
cairo_clip_t *other,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_clip_reset (cairo_clip_t *clip);
cairo_private cairo_bool_t
_cairo_clip_equal (const cairo_clip_t *clip_a,
const cairo_clip_t *clip_b);
#define _cairo_clip_fini(clip) _cairo_clip_reset (clip)
cairo_private cairo_status_t
_cairo_clip_rectangle (cairo_clip_t *clip,
const cairo_rectangle_int_t *rectangle);
cairo_private cairo_status_t
_cairo_clip_clip (cairo_clip_t *clip,
const cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias);
cairo_private cairo_status_t
_cairo_clip_apply_clip (cairo_clip_t *clip,
const cairo_clip_t *other);
cairo_private const cairo_rectangle_int_t *
_cairo_clip_get_extents (const cairo_clip_t *clip);
cairo_private cairo_surface_t *
_cairo_clip_get_surface (cairo_clip_t *clip, cairo_surface_t *dst, int *tx, int *ty);
cairo_private cairo_status_t
_cairo_clip_combine_with_surface (cairo_clip_t *clip,
cairo_surface_t *dst,
int dst_x, int dst_y);
cairo_private cairo_int_status_t
_cairo_clip_get_region (cairo_clip_t *clip,
cairo_region_t **region);
cairo_private cairo_int_status_t
_cairo_clip_get_boxes (cairo_clip_t *clip,
cairo_box_t **boxes,
int *count);
cairo_private cairo_status_t
_cairo_clip_to_boxes (cairo_clip_t **clip,
cairo_composite_rectangles_t *extents,
cairo_box_t **boxes,
int *num_boxes);
cairo_private cairo_bool_t
_cairo_clip_contains_rectangle (cairo_clip_t *clip,
const cairo_rectangle_int_t *rect);
cairo_private cairo_bool_t
_cairo_clip_contains_extents (cairo_clip_t *clip,
const cairo_composite_rectangles_t *extents);
cairo_private void
_cairo_clip_drop_cache (cairo_clip_t *clip);
cairo_private cairo_rectangle_list_t*
_cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate);
#endif /* CAIRO_CLIP_PRIVATE_H */
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