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comparison: gfx/graphite2/src/gr_features.cpp
gfx/graphite2/src/gr_features.cpp
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:c58796612712 |
|---|---|
| 1 /* GRAPHITE2 LICENSING | |
| 2 | |
| 3 Copyright 2010, SIL International | |
| 4 All rights reserved. | |
| 5 | |
| 6 This library is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU Lesser General Public License as published | |
| 8 by the Free Software Foundation; either version 2.1 of License, or | |
| 9 (at your option) any later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 Lesser General Public License for more details. | |
| 15 | |
| 16 You should also have received a copy of the GNU Lesser General Public | |
| 17 License along with this library in the file named "LICENSE". | |
| 18 If not, write to the Free Software Foundation, 51 Franklin Street, | |
| 19 Suite 500, Boston, MA 02110-1335, USA or visit their web page on the | |
| 20 internet at http://www.fsf.org/licenses/lgpl.html. | |
| 21 | |
| 22 Alternatively, the contents of this file may be used under the terms of the | |
| 23 Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public | |
| 24 License, as published by the Free Software Foundation, either version 2 | |
| 25 of the License or (at your option) any later version. | |
| 26 */ | |
| 27 #include "graphite2/Font.h" | |
| 28 #include "inc/Face.h" | |
| 29 #include "inc/FeatureMap.h" | |
| 30 #include "inc/FeatureVal.h" | |
| 31 #include "inc/NameTable.h" | |
| 32 | |
| 33 using namespace graphite2; | |
| 34 | |
| 35 extern "C" { | |
| 36 | |
| 37 | |
| 38 gr_uint16 gr_fref_feature_value(const gr_feature_ref* pfeatureref, const gr_feature_val* feats) //returns 0 if either pointer is NULL | |
| 39 { | |
| 40 if (!pfeatureref || !feats) return 0; | |
| 41 | |
| 42 return pfeatureref->getFeatureVal(*feats); | |
| 43 } | |
| 44 | |
| 45 | |
| 46 int gr_fref_set_feature_value(const gr_feature_ref* pfeatureref, gr_uint16 val, gr_feature_val* pDest) | |
| 47 { | |
| 48 if (!pfeatureref || !pDest) return 0; | |
| 49 | |
| 50 return pfeatureref->applyValToFeature(val, *pDest); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 gr_uint32 gr_fref_id(const gr_feature_ref* pfeatureref) //returns 0 if pointer is NULL | |
| 55 { | |
| 56 if (!pfeatureref) | |
| 57 return 0; | |
| 58 | |
| 59 return pfeatureref->getId(); | |
| 60 } | |
| 61 | |
| 62 | |
| 63 gr_uint16 gr_fref_n_values(const gr_feature_ref* pfeatureref) | |
| 64 { | |
| 65 if(!pfeatureref) | |
| 66 return 0; | |
| 67 return pfeatureref->getNumSettings(); | |
| 68 } | |
| 69 | |
| 70 | |
| 71 gr_int16 gr_fref_value(const gr_feature_ref* pfeatureref, gr_uint16 settingno) | |
| 72 { | |
| 73 if(!pfeatureref || (settingno >= pfeatureref->getNumSettings())) | |
| 74 { | |
| 75 return 0; | |
| 76 } | |
| 77 return pfeatureref->getSettingValue(settingno); | |
| 78 } | |
| 79 | |
| 80 | |
| 81 void* gr_fref_label(const gr_feature_ref* pfeatureref, gr_uint16 *langId, gr_encform utf, gr_uint32 *length) | |
| 82 { | |
| 83 if(!pfeatureref || !pfeatureref->getFace()) | |
| 84 { | |
| 85 langId = 0; | |
| 86 length = 0; | |
| 87 return NULL; | |
| 88 } | |
| 89 uint16 label = pfeatureref->getNameId(); | |
| 90 NameTable * names = pfeatureref->getFace()->nameTable(); | |
| 91 if (!names) | |
| 92 { | |
| 93 langId = 0; | |
| 94 length = 0; | |
| 95 return NULL; | |
| 96 } | |
| 97 return names->getName(*langId, label, utf, *length); | |
| 98 } | |
| 99 | |
| 100 | |
| 101 void* gr_fref_value_label(const gr_feature_ref*pfeatureref, gr_uint16 setting, | |
| 102 gr_uint16 *langId, gr_encform utf, gr_uint32 *length) | |
| 103 { | |
| 104 if(!pfeatureref || (setting >= pfeatureref->getNumSettings()) || !pfeatureref->getFace()) | |
| 105 { | |
| 106 langId = 0; | |
| 107 length = 0; | |
| 108 return NULL; | |
| 109 } | |
| 110 uint16 label = pfeatureref->getSettingName(setting); | |
| 111 NameTable * names = pfeatureref->getFace()->nameTable(); | |
| 112 if (!names) | |
| 113 { | |
| 114 langId = 0; | |
| 115 length = 0; | |
| 116 return NULL; | |
| 117 } | |
| 118 return names->getName(*langId, label, utf, *length); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void gr_label_destroy(void * label) | |
| 123 { | |
| 124 free(label); | |
| 125 } | |
| 126 | |
| 127 gr_feature_val* gr_featureval_clone(const gr_feature_val* pfeatures/*may be NULL*/) | |
| 128 { //When finished with the Features, call features_destroy | |
| 129 return static_cast<gr_feature_val*>(pfeatures ? new Features(*pfeatures) : new Features); | |
| 130 } | |
| 131 | |
| 132 void gr_featureval_destroy(gr_feature_val *p) | |
| 133 { | |
| 134 delete p; | |
| 135 } | |
| 136 | |
| 137 | |
| 138 } // extern "C" |
