DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (27a812186ff4)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
/* 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 */