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Diffstat (limited to 'gfx/graphite2/src/gr_features.cpp')
-rw-r--r-- | gfx/graphite2/src/gr_features.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/gfx/graphite2/src/gr_features.cpp b/gfx/graphite2/src/gr_features.cpp new file mode 100644 index 000000000..38cebb7b5 --- /dev/null +++ b/gfx/graphite2/src/gr_features.cpp @@ -0,0 +1,138 @@ +/* GRAPHITE2 LICENSING + + Copyright 2010, SIL International + All rights reserved. + + This library is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should also have received a copy of the GNU Lesser General Public + License along with this library in the file named "LICENSE". + If not, write to the Free Software Foundation, 51 Franklin Street, + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the + internet at http://www.fsf.org/licenses/lgpl.html. + +Alternatively, the contents of this file may be used under the terms of the +Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public +License, as published by the Free Software Foundation, either version 2 +of the License or (at your option) any later version. +*/ +#include "graphite2/Font.h" +#include "inc/Face.h" +#include "inc/FeatureMap.h" +#include "inc/FeatureVal.h" +#include "inc/NameTable.h" + +using namespace graphite2; + +extern "C" { + + +gr_uint16 gr_fref_feature_value(const gr_feature_ref* pfeatureref, const gr_feature_val* feats) //returns 0 if either pointer is NULL +{ + if (!pfeatureref || !feats) return 0; + + return pfeatureref->getFeatureVal(*feats); +} + + +int gr_fref_set_feature_value(const gr_feature_ref* pfeatureref, gr_uint16 val, gr_feature_val* pDest) +{ + if (!pfeatureref || !pDest) return 0; + + return pfeatureref->applyValToFeature(val, *pDest); +} + + +gr_uint32 gr_fref_id(const gr_feature_ref* pfeatureref) //returns 0 if pointer is NULL +{ + if (!pfeatureref) + return 0; + + return pfeatureref->getId(); +} + + +gr_uint16 gr_fref_n_values(const gr_feature_ref* pfeatureref) +{ + if(!pfeatureref) + return 0; + return pfeatureref->getNumSettings(); +} + + +gr_int16 gr_fref_value(const gr_feature_ref* pfeatureref, gr_uint16 settingno) +{ + if(!pfeatureref || (settingno >= pfeatureref->getNumSettings())) + { + return 0; + } + return pfeatureref->getSettingValue(settingno); +} + + +void* gr_fref_label(const gr_feature_ref* pfeatureref, gr_uint16 *langId, gr_encform utf, gr_uint32 *length) +{ + if(!pfeatureref || !pfeatureref->getFace()) + { + langId = 0; + length = 0; + return NULL; + } + uint16 label = pfeatureref->getNameId(); + NameTable * names = pfeatureref->getFace()->nameTable(); + if (!names) + { + langId = 0; + length = 0; + return NULL; + } + return names->getName(*langId, label, utf, *length); +} + + +void* gr_fref_value_label(const gr_feature_ref*pfeatureref, gr_uint16 setting, + gr_uint16 *langId, gr_encform utf, gr_uint32 *length) +{ + if(!pfeatureref || (setting >= pfeatureref->getNumSettings()) || !pfeatureref->getFace()) + { + langId = 0; + length = 0; + return NULL; + } + uint16 label = pfeatureref->getSettingName(setting); + NameTable * names = pfeatureref->getFace()->nameTable(); + if (!names) + { + langId = 0; + length = 0; + return NULL; + } + return names->getName(*langId, label, utf, *length); +} + + +void gr_label_destroy(void * label) +{ + free(label); +} + +gr_feature_val* gr_featureval_clone(const gr_feature_val* pfeatures/*may be NULL*/) +{ //When finished with the Features, call features_destroy + return static_cast<gr_feature_val*>(pfeatures ? new Features(*pfeatures) : new Features); +} + +void gr_featureval_destroy(gr_feature_val *p) +{ + delete p; +} + + +} // extern "C" |