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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/FontEncoding.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/FontEncoding.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/FontEncoding.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/FontEncoding.cpp new file mode 100644 index 00000000000..d2dbfd8da50 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/FontEncoding.cpp @@ -0,0 +1,98 @@ +/************************************************************************* +** FontEncoding.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2015 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** This program is free software; you can redistribute it and/or ** +** modify it under the terms of the GNU General Public License as ** +** published by the Free Software Foundation; either version 3 of ** +** the 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 General Public License for more details. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#include <config.h> +#include "CMap.h" +#include "CMapManager.h" +#include "EncFile.h" +#include "FileFinder.h" +#include "FontEncoding.h" + +using namespace std; + + +struct EncodingMap : public map<string, EncFile*> +{ + ~EncodingMap () { + for (EncodingMap::iterator it=begin(); it != end(); ++it) + delete it->second; + } +}; + + +/** Returns the encoding object for a given encoding name. + * @param[in] encname name of the encoding to lookup + * @return pointer to encoding object, or 0 if there is no encoding defined */ +FontEncoding* FontEncoding::encoding (const string &encname) { + if (encname.empty()) + return 0; + // initially, try to find an .enc file with the given name + static EncodingMap encmap; + EncodingMap::const_iterator it = encmap.find(encname); + if (it != encmap.end()) + return it->second; + if (FileFinder::lookup(encname + ".enc", false)) { + EncFile *enc = new EncFile(encname); + encmap[encname] = enc; + return enc; + } + // no .enc file found => try to find a CMap + if (CMap *cmap = CMapManager::instance().lookup(encname)) + return cmap; + return 0; +} + +///////////////////////////////////////////////////////////////////////// + +Character FontEncodingPair::decode (UInt32 c) const { + if (_enc1) { + Character chr = _enc1->decode(c); + if (_enc2 && chr.type() != Character::NAME) + chr = _enc2->decode(chr.number()); + return chr; + } + return Character(Character::INDEX, 0); +} + + +bool FontEncodingPair::mapsToCharIndex () const { + if (_enc2) + return _enc2->mapsToCharIndex(); + if (_enc1) + return _enc1->mapsToCharIndex(); + return false; +} + + +const FontEncoding* FontEncodingPair::findCompatibleBaseFontMap (const PhysicalFont *font, CharMapID &charmapID) const { + if (_enc2) + return _enc2->findCompatibleBaseFontMap(font, charmapID); + if (_enc1) + return _enc1->findCompatibleBaseFontMap(font, charmapID); + return 0; +} + + +void FontEncodingPair::assign (const FontEncoding *enc) { + if (!_enc1) + _enc1 = enc; + else + _enc2 = enc; +} |