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1 /* | 1 /* |
2 * Copyright (C) 2007,2008,2009 Red Hat, Inc. | 2 * Copyright © 2007,2008,2009 Red Hat, Inc. |
3 * | 3 * |
4 * This is part of HarfBuzz, a text shaping library. | 4 * This is part of HarfBuzz, a text shaping library. |
5 * | 5 * |
6 * Permission is hereby granted, without written agreement and without | 6 * Permission is hereby granted, without written agreement and without |
7 * license or royalty fees, to use, copy, modify, and distribute this | 7 * license or royalty fees, to use, copy, modify, and distribute this |
8 * software and its documentation for any purpose, provided that the | 8 * software and its documentation for any purpose, provided that the |
9 * above copyright notice and the following two paragraphs appear in | 9 * above copyright notice and the following two paragraphs appear in |
10 * all copies of this software. | 10 * all copies of this software. |
11 * | 11 * |
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR | 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES | 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN | 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH | 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
16 * DAMAGE. | 16 * DAMAGE. |
17 * | 17 * |
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, | 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS | 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO | 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
23 * | 23 * |
24 * Red Hat Author(s): Behdad Esfahbod | 24 * Red Hat Author(s): Behdad Esfahbod |
25 */ | 25 */ |
26 | 26 |
27 #ifndef HB_OPEN_FILE_PRIVATE_HH | 27 #ifndef HB_OPEN_FILE_PRIVATE_HH |
28 #define HB_OPEN_FILE_PRIVATE_HH | 28 #define HB_OPEN_FILE_PRIVATE_HH |
29 | 29 |
30 #include "hb-open-type-private.hh" | 30 #include "hb-open-type-private.hh" |
31 | 31 |
32 HB_BEGIN_DECLS | |
33 | 32 |
34 | 33 |
35 /* | 34 /* |
36 * | 35 * |
37 * The OpenType Font File | 36 * The OpenType Font File |
38 * | 37 * |
39 */ | 38 */ |
40 | 39 |
41 | 40 |
42 /* | 41 /* |
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145 }; | 144 }; |
146 | 145 |
147 struct TTCHeader | 146 struct TTCHeader |
148 { | 147 { |
149 friend struct OpenTypeFontFile; | 148 friend struct OpenTypeFontFile; |
150 | 149 |
151 private: | 150 private: |
152 | 151 |
153 inline unsigned int get_face_count (void) const | 152 inline unsigned int get_face_count (void) const |
154 { | 153 { |
155 switch (u.header.version) { | 154 switch (u.header.version.major) { |
156 case 2: /* version 2 is compatible with version 1 */ | 155 case 2: /* version 2 is compatible with version 1 */ |
157 case 1: return u.version1.get_face_count (); | 156 case 1: return u.version1.get_face_count (); |
158 default:return 0; | 157 default:return 0; |
159 } | 158 } |
160 } | 159 } |
161 inline const OpenTypeFontFace& get_face (unsigned int i) const | 160 inline const OpenTypeFontFace& get_face (unsigned int i) const |
162 { | 161 { |
163 switch (u.header.version) { | 162 switch (u.header.version.major) { |
164 case 2: /* version 2 is compatible with version 1 */ | 163 case 2: /* version 2 is compatible with version 1 */ |
165 case 1: return u.version1.get_face (i); | 164 case 1: return u.version1.get_face (i); |
166 default:return Null(OpenTypeFontFace); | 165 default:return Null(OpenTypeFontFace); |
167 } | 166 } |
168 } | 167 } |
169 | 168 |
170 inline bool sanitize (hb_sanitize_context_t *c) { | 169 inline bool sanitize (hb_sanitize_context_t *c) { |
171 TRACE_SANITIZE (); | 170 TRACE_SANITIZE (); |
172 if (unlikely (!u.header.version.sanitize (c))) return false; | 171 if (unlikely (!u.header.version.sanitize (c))) return false; |
173 switch (u.header.version) { | 172 switch (u.header.version.major) { |
174 case 2: /* version 2 is compatible with version 1 */ | 173 case 2: /* version 2 is compatible with version 1 */ |
175 case 1: return u.version1.sanitize (c); | 174 case 1: return u.version1.sanitize (c); |
176 default:return true; | 175 default:return true; |
177 } | 176 } |
178 } | 177 } |
179 | 178 |
180 private: | 179 private: |
181 union { | 180 union { |
182 struct { | 181 struct { |
183 Tag ttcTag; /* TrueType Collection ID string: 'ttcf' */ | 182 Tag ttcTag; /* TrueType Collection ID string: 'ttcf' */ |
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246 union { | 245 union { |
247 Tag tag; /* 4-byte identifier. */ | 246 Tag tag; /* 4-byte identifier. */ |
248 OpenTypeFontFace fontFace; | 247 OpenTypeFontFace fontFace; |
249 TTCHeader ttcHeader; | 248 TTCHeader ttcHeader; |
250 } u; | 249 } u; |
251 public: | 250 public: |
252 DEFINE_SIZE_UNION (4, tag); | 251 DEFINE_SIZE_UNION (4, tag); |
253 }; | 252 }; |
254 | 253 |
255 | 254 |
256 HB_END_DECLS | |
257 | 255 |
258 #endif /* HB_OPEN_FILE_PRIVATE_HH */ | 256 #endif /* HB_OPEN_FILE_PRIVATE_HH */ |
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