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1892 | serge | 1 | /* cairo - a vector graphics library with display and print output |
2 | * |
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3 | * Copyright © 2009 Intel Corporation |
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4 | * |
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5 | * This library is free software; you can redistribute it and/or |
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6 | * modify it either under the terms of the GNU Lesser General Public |
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7 | * License version 2.1 as published by the Free Software Foundation |
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8 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
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9 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
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10 | * notice, a recipient may use your version of this file under either |
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11 | * the MPL or the LGPL. |
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12 | * |
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13 | * You should have received a copy of the LGPL along with this library |
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14 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
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15 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
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16 | * You should have received a copy of the MPL along with this library |
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17 | * in the file COPYING-MPL-1.1 |
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18 | * |
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19 | * The contents of this file are subject to the Mozilla Public License |
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20 | * Version 1.1 (the "License"); you may not use this file except in |
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21 | * compliance with the License. You may obtain a copy of the License at |
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22 | * http://www.mozilla.org/MPL/ |
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23 | * |
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24 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
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25 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
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26 | * the specific language governing rights and limitations. |
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27 | * |
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28 | * The Original Code is the cairo graphics library. |
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29 | * |
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30 | * Contributor(s): |
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31 | * Chris Wilson |
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32 | */ |
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33 | |||
34 | #ifndef CAIRO_BOXES_H |
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35 | #define CAIRO_BOXES_H |
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36 | |||
37 | #include "cairo-types-private.h" |
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38 | #include "cairo-compiler-private.h" |
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39 | |||
3959 | Serge | 40 | #include |
41 | #include |
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42 | |||
1892 | serge | 43 | struct _cairo_boxes_t { |
44 | cairo_status_t status; |
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3959 | Serge | 45 | |
1892 | serge | 46 | cairo_box_t limit; |
47 | const cairo_box_t *limits; |
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48 | int num_limits; |
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3959 | Serge | 49 | |
1892 | serge | 50 | int num_boxes; |
51 | |||
3959 | Serge | 52 | unsigned int is_pixel_aligned; |
53 | |||
1892 | serge | 54 | struct _cairo_boxes_chunk { |
55 | struct _cairo_boxes_chunk *next; |
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56 | cairo_box_t *base; |
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57 | int count; |
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58 | int size; |
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59 | } chunks, *tail; |
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60 | cairo_box_t boxes_embedded[32]; |
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61 | }; |
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62 | |||
63 | cairo_private void |
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64 | _cairo_boxes_init (cairo_boxes_t *boxes); |
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65 | |||
66 | cairo_private void |
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3959 | Serge | 67 | _cairo_boxes_init_with_clip (cairo_boxes_t *boxes, |
68 | cairo_clip_t *clip); |
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69 | |||
70 | cairo_private void |
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1892 | serge | 71 | _cairo_boxes_init_for_array (cairo_boxes_t *boxes, |
72 | cairo_box_t *array, |
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73 | int num_boxes); |
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74 | |||
75 | cairo_private void |
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3959 | Serge | 76 | _cairo_boxes_init_from_rectangle (cairo_boxes_t *boxes, |
77 | int x, int y, int w, int h); |
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78 | |||
79 | cairo_private void |
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1892 | serge | 80 | _cairo_boxes_limit (cairo_boxes_t *boxes, |
81 | const cairo_box_t *limits, |
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82 | int num_limits); |
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83 | |||
84 | cairo_private cairo_status_t |
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85 | _cairo_boxes_add (cairo_boxes_t *boxes, |
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3959 | Serge | 86 | cairo_antialias_t antialias, |
1892 | serge | 87 | const cairo_box_t *box); |
88 | |||
89 | cairo_private void |
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90 | _cairo_boxes_extents (const cairo_boxes_t *boxes, |
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3959 | Serge | 91 | cairo_box_t *box); |
1892 | serge | 92 | |
3959 | Serge | 93 | cairo_private cairo_box_t * |
94 | _cairo_boxes_to_array (const cairo_boxes_t *boxes, |
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95 | int *num_boxes, |
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96 | cairo_bool_t force_allocation); |
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97 | |||
98 | cairo_private cairo_status_t |
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99 | _cairo_boxes_intersect (const cairo_boxes_t *a, |
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100 | const cairo_boxes_t *b, |
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101 | cairo_boxes_t *out); |
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102 | |||
1892 | serge | 103 | cairo_private void |
104 | _cairo_boxes_clear (cairo_boxes_t *boxes); |
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105 | |||
3959 | Serge | 106 | cairo_private_no_warn cairo_bool_t |
107 | _cairo_boxes_for_each_box (cairo_boxes_t *boxes, |
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108 | cairo_bool_t (*func) (cairo_box_t *box, void *data), |
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109 | void *data); |
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110 | |||
111 | cairo_private cairo_status_t |
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112 | _cairo_rasterise_polygon_to_boxes (cairo_polygon_t *polygon, |
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113 | cairo_fill_rule_t fill_rule, |
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114 | cairo_boxes_t *boxes); |
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115 | |||
1892 | serge | 116 | cairo_private void |
117 | _cairo_boxes_fini (cairo_boxes_t *boxes); |
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118 | |||
3959 | Serge | 119 | cairo_private void |
120 | _cairo_debug_print_boxes (FILE *stream, |
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121 | const cairo_boxes_t *boxes); |
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122 | |||
1892 | serge | 123 | #endif /* CAIRO_BOXES_H */ |