1 /* cairo - a vector graphics library with display and print output 2 * 3 * Copyright © 2009 Intel Corporation 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it either under the terms of the GNU Lesser General Public 7 * License version 2.1 as published by the Free Software Foundation 8 * (the "LGPL") or, at your option, under the terms of the Mozilla 9 * Public License Version 1.1 (the "MPL"). If you do not alter this 10 * notice, a recipient may use your version of this file under either 11 * the MPL or the LGPL. 12 * 13 * You should have received a copy of the LGPL along with this library 14 * in the file COPYING-LGPL-2.1; if not, write to the Free Software 15 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA 16 * You should have received a copy of the MPL along with this library 17 * in the file COPYING-MPL-1.1 18 * 19 * The contents of this file are subject to the Mozilla Public License 20 * Version 1.1 (the "License"); you may not use this file except in 21 * compliance with the License. You may obtain a copy of the License at 22 * http://www.mozilla.org/MPL/ 23 * 24 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY 25 * OF ANY KIND, either express or implied. See the LGPL or the MPL for 26 * the specific language governing rights and limitations. 27 * 28 * The Original Code is the cairo graphics library. 29 * 30 * Contributor(s): 31 * Chris Wilson <chris@chris-wilson.co.uk> 32 */ 33 34 #ifndef CAIRO_BOXES_H 35 #define CAIRO_BOXES_H 36 37 #include "cairo-types-private.h" 38 #include "cairo-compiler-private.h" 39 40 struct _cairo_boxes_t { 41 cairo_status_t status; 42 cairo_box_t limit; 43 const cairo_box_t *limits; 44 int num_limits; 45 int num_boxes; 46 unsigned int is_pixel_aligned : 1; 47 48 struct _cairo_boxes_chunk { 49 struct _cairo_boxes_chunk *next; 50 cairo_box_t *base; 51 int count; 52 int size; 53 } chunks, *tail; 54 cairo_box_t boxes_embedded[32]; 55 }; 56 57 cairo_private void 58 _cairo_boxes_init (cairo_boxes_t *boxes); 59 60 cairo_private void 61 _cairo_boxes_init_for_array (cairo_boxes_t *boxes, 62 cairo_box_t *array, 63 int num_boxes); 64 65 cairo_private void 66 _cairo_boxes_limit (cairo_boxes_t *boxes, 67 const cairo_box_t *limits, 68 int num_limits); 69 70 cairo_private cairo_status_t 71 _cairo_boxes_add (cairo_boxes_t *boxes, 72 const cairo_box_t *box); 73 74 cairo_private void 75 _cairo_boxes_extents (const cairo_boxes_t *boxes, 76 cairo_rectangle_int_t *extents); 77 78 cairo_private void 79 _cairo_boxes_clear (cairo_boxes_t *boxes); 80 81 cairo_private void 82 _cairo_boxes_fini (cairo_boxes_t *boxes); 83 84 #endif /* CAIRO_BOXES_H */ 85