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/* cairo - a vector graphics library with display and print output
*
* Copyright © 2009 Intel Corporation
*
* 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.
*
* Contributor(s):
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#ifndef CAIRO_BOXES_H
#define CAIRO_BOXES_H
#include "cairo-types-private.h"
#include "cairo-compiler-private.h"
#include <stdio.h>
#include <stdlib.h>
struct _cairo_boxes_t {
cairo_status_t status;
cairo_box_t limit;
const cairo_box_t *limits;
int num_limits;
int num_boxes;
unsigned int is_pixel_aligned;
struct _cairo_boxes_chunk {
struct _cairo_boxes_chunk *next;
cairo_box_t *base;
int count;
int size;
} chunks, *tail;
cairo_box_t boxes_embedded[32];
};
cairo_private void
_cairo_boxes_init (cairo_boxes_t *boxes);
cairo_private void
_cairo_boxes_init_with_clip (cairo_boxes_t *boxes,
cairo_clip_t *clip);
cairo_private void
_cairo_boxes_init_for_array (cairo_boxes_t *boxes,
cairo_box_t *array,
int num_boxes);
cairo_private void
_cairo_boxes_init_from_rectangle (cairo_boxes_t *boxes,
int x, int y, int w, int h);
cairo_private void
_cairo_boxes_limit (cairo_boxes_t *boxes,
const cairo_box_t *limits,
int num_limits);
cairo_private cairo_status_t
_cairo_boxes_add (cairo_boxes_t *boxes,
cairo_antialias_t antialias,
const cairo_box_t *box);
cairo_private void
_cairo_boxes_extents (const cairo_boxes_t *boxes,
cairo_box_t *box);
cairo_private cairo_box_t *
_cairo_boxes_to_array (const cairo_boxes_t *boxes,
int *num_boxes,
cairo_bool_t force_allocation);
static inline void
_cairo_boxes_free_array (const cairo_boxes_t *boxes,
cairo_box_t *box)
{
if (box != boxes->chunks.base)
free(box);
}
cairo_private cairo_status_t
_cairo_boxes_intersect (const cairo_boxes_t *a,
const cairo_boxes_t *b,
cairo_boxes_t *out);
cairo_private void
_cairo_boxes_clear (cairo_boxes_t *boxes);
cairo_private_no_warn cairo_bool_t
_cairo_boxes_for_each_box (cairo_boxes_t *boxes,
cairo_bool_t (*func) (cairo_box_t *box, void *data),
void *data);
cairo_private cairo_status_t
_cairo_rasterise_polygon_to_boxes (cairo_polygon_t *polygon,
cairo_fill_rule_t fill_rule,
cairo_boxes_t *boxes);
cairo_private void
_cairo_boxes_fini (cairo_boxes_t *boxes);
cairo_private void
_cairo_debug_print_boxes (FILE *stream,
const cairo_boxes_t *boxes);
#endif /* CAIRO_BOXES_H */
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