diff options
author | scuri <scuri> | 2010-06-21 22:55:10 +0000 |
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committer | scuri <scuri> | 2010-06-21 22:55:10 +0000 |
commit | 37a92b86d13e89d0dcec92be6d23ceced29dbc36 (patch) | |
tree | faff61ef668379212b4ed948934533c3f2fe308b /src/ftgl/FTCharmap.cpp | |
parent | a124216ee05a5d63ea8fcdafcd050ad1fadf0b09 (diff) |
*** empty log message ***
Diffstat (limited to 'src/ftgl/FTCharmap.cpp')
-rw-r--r-- | src/ftgl/FTCharmap.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/ftgl/FTCharmap.cpp b/src/ftgl/FTCharmap.cpp new file mode 100644 index 0000000..64a2180 --- /dev/null +++ b/src/ftgl/FTCharmap.cpp @@ -0,0 +1,106 @@ +/* + * FTGL - OpenGL font library + * + * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz> + * Copyright (c) 2008 Sam Hocevar <sam@zoy.org> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "config.h" + +#include "FTFace.h" +#include "FTCharmap.h" + + +FTCharmap::FTCharmap(FTFace* face) +: ftFace(*(face->Face())), + err(0) +{ + if(!ftFace->charmap) + { + if(!ftFace->num_charmaps) + { + // This face doesn't even have one charmap! + err = 0x96; // Invalid_CharMap_Format + return; + } + + err = FT_Set_Charmap(ftFace, ftFace->charmaps[0]); + } + + ftEncoding = ftFace->charmap->encoding; + + for(unsigned int i = 0; i < FTCharmap::MAX_PRECOMPUTED; i++) + { + charIndexCache[i] = FT_Get_Char_Index(ftFace, i); + } +} + + +FTCharmap::~FTCharmap() +{ + charMap.clear(); +} + + +bool FTCharmap::CharMap(FT_Encoding encoding) +{ + if(ftEncoding == encoding) + { + err = 0; + return true; + } + + err = FT_Select_Charmap(ftFace, encoding); + + if(!err) + { + ftEncoding = encoding; + charMap.clear(); + } + + return !err; +} + + +unsigned int FTCharmap::GlyphListIndex(const unsigned int characterCode) +{ + return charMap.find(characterCode); +} + + +unsigned int FTCharmap::FontIndex(const unsigned int characterCode) +{ + if(characterCode < FTCharmap::MAX_PRECOMPUTED) + { + return charIndexCache[characterCode]; + } + + return FT_Get_Char_Index(ftFace, characterCode); +} + + +void FTCharmap::InsertIndex(const unsigned int characterCode, + const size_t containerIndex) +{ + charMap.insert(characterCode, static_cast<FTCharToGlyphIndexMap::GlyphIndex>(containerIndex)); +} + |