1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/graphite2/src/gr_features.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,138 @@
1.4 +/* GRAPHITE2 LICENSING
1.5 +
1.6 + Copyright 2010, SIL International
1.7 + All rights reserved.
1.8 +
1.9 + This library is free software; you can redistribute it and/or modify
1.10 + it under the terms of the GNU Lesser General Public License as published
1.11 + by the Free Software Foundation; either version 2.1 of License, or
1.12 + (at your option) any later version.
1.13 +
1.14 + This program is distributed in the hope that it will be useful,
1.15 + but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1.17 + Lesser General Public License for more details.
1.18 +
1.19 + You should also have received a copy of the GNU Lesser General Public
1.20 + License along with this library in the file named "LICENSE".
1.21 + If not, write to the Free Software Foundation, 51 Franklin Street,
1.22 + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
1.23 + internet at http://www.fsf.org/licenses/lgpl.html.
1.24 +
1.25 +Alternatively, the contents of this file may be used under the terms of the
1.26 +Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
1.27 +License, as published by the Free Software Foundation, either version 2
1.28 +of the License or (at your option) any later version.
1.29 +*/
1.30 +#include "graphite2/Font.h"
1.31 +#include "inc/Face.h"
1.32 +#include "inc/FeatureMap.h"
1.33 +#include "inc/FeatureVal.h"
1.34 +#include "inc/NameTable.h"
1.35 +
1.36 +using namespace graphite2;
1.37 +
1.38 +extern "C" {
1.39 +
1.40 +
1.41 +gr_uint16 gr_fref_feature_value(const gr_feature_ref* pfeatureref, const gr_feature_val* feats) //returns 0 if either pointer is NULL
1.42 +{
1.43 + if (!pfeatureref || !feats) return 0;
1.44 +
1.45 + return pfeatureref->getFeatureVal(*feats);
1.46 +}
1.47 +
1.48 +
1.49 +int gr_fref_set_feature_value(const gr_feature_ref* pfeatureref, gr_uint16 val, gr_feature_val* pDest)
1.50 +{
1.51 + if (!pfeatureref || !pDest) return 0;
1.52 +
1.53 + return pfeatureref->applyValToFeature(val, *pDest);
1.54 +}
1.55 +
1.56 +
1.57 +gr_uint32 gr_fref_id(const gr_feature_ref* pfeatureref) //returns 0 if pointer is NULL
1.58 +{
1.59 + if (!pfeatureref)
1.60 + return 0;
1.61 +
1.62 + return pfeatureref->getId();
1.63 +}
1.64 +
1.65 +
1.66 +gr_uint16 gr_fref_n_values(const gr_feature_ref* pfeatureref)
1.67 +{
1.68 + if(!pfeatureref)
1.69 + return 0;
1.70 + return pfeatureref->getNumSettings();
1.71 +}
1.72 +
1.73 +
1.74 +gr_int16 gr_fref_value(const gr_feature_ref* pfeatureref, gr_uint16 settingno)
1.75 +{
1.76 + if(!pfeatureref || (settingno >= pfeatureref->getNumSettings()))
1.77 + {
1.78 + return 0;
1.79 + }
1.80 + return pfeatureref->getSettingValue(settingno);
1.81 +}
1.82 +
1.83 +
1.84 +void* gr_fref_label(const gr_feature_ref* pfeatureref, gr_uint16 *langId, gr_encform utf, gr_uint32 *length)
1.85 +{
1.86 + if(!pfeatureref || !pfeatureref->getFace())
1.87 + {
1.88 + langId = 0;
1.89 + length = 0;
1.90 + return NULL;
1.91 + }
1.92 + uint16 label = pfeatureref->getNameId();
1.93 + NameTable * names = pfeatureref->getFace()->nameTable();
1.94 + if (!names)
1.95 + {
1.96 + langId = 0;
1.97 + length = 0;
1.98 + return NULL;
1.99 + }
1.100 + return names->getName(*langId, label, utf, *length);
1.101 +}
1.102 +
1.103 +
1.104 +void* gr_fref_value_label(const gr_feature_ref*pfeatureref, gr_uint16 setting,
1.105 + gr_uint16 *langId, gr_encform utf, gr_uint32 *length)
1.106 +{
1.107 + if(!pfeatureref || (setting >= pfeatureref->getNumSettings()) || !pfeatureref->getFace())
1.108 + {
1.109 + langId = 0;
1.110 + length = 0;
1.111 + return NULL;
1.112 + }
1.113 + uint16 label = pfeatureref->getSettingName(setting);
1.114 + NameTable * names = pfeatureref->getFace()->nameTable();
1.115 + if (!names)
1.116 + {
1.117 + langId = 0;
1.118 + length = 0;
1.119 + return NULL;
1.120 + }
1.121 + return names->getName(*langId, label, utf, *length);
1.122 +}
1.123 +
1.124 +
1.125 +void gr_label_destroy(void * label)
1.126 +{
1.127 + free(label);
1.128 +}
1.129 +
1.130 +gr_feature_val* gr_featureval_clone(const gr_feature_val* pfeatures/*may be NULL*/)
1.131 +{ //When finished with the Features, call features_destroy
1.132 + return static_cast<gr_feature_val*>(pfeatures ? new Features(*pfeatures) : new Features);
1.133 +}
1.134 +
1.135 +void gr_featureval_destroy(gr_feature_val *p)
1.136 +{
1.137 + delete p;
1.138 +}
1.139 +
1.140 +
1.141 +} // extern "C"
