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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/FontMap.hpp
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+/*************************************************************************
+** FontMap.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2019 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/>. **
+*************************************************************************/
+
+#ifndef FONTMAP_HPP
+#define FONTMAP_HPP
+
+#include <memory>
+#include <ostream>
+#include <string>
+#include <unordered_map>
+#include "FontStyle.hpp"
+
+struct FontEncoding;
+class MapLine;
+class Subfont;
+
+class FontMap {
+ public:
+ struct Entry {
+ explicit Entry (const MapLine &mapline, Subfont *subfont=nullptr);
+ Entry (const Entry &entry) =delete;
+ Entry (Entry &&entry) =default;
+ Entry& operator = (Entry &&entry) =default;
+ std::string fontname; ///< target font name
+ std::string encname; ///< name of font encoding
+ Subfont *subfont;
+ int fontindex; ///< index of font in multi-font file
+ bool locked;
+ FontStyle style;
+ };
+
+ public:
+ enum class Mode {APPEND, REMOVE, REPLACE};
+
+ static FontMap& instance ();
+ bool read (const std::string &fname, Mode mode);
+ bool read (const std::string &fname, char modechar);
+ bool read (const std::string &fname_seq);
+ void readdir (const std::string &dirname);
+ bool apply (const MapLine &mapline, Mode mode);
+ bool apply (const MapLine &mapline, char modechar);
+ bool append (const MapLine &mapline);
+ bool replace (const MapLine &mapline);
+ bool remove (const MapLine &mapline);
+ void lockFont (const std::string &fontname);
+ void clear (bool unlocked_only=false);
+ std::ostream& write (std::ostream &os) const;
+ const Entry* lookup (const std::string &fontname) const;
+
+ protected:
+ FontMap () =default;
+
+ private:
+ std::unordered_map<std::string,std::unique_ptr<Entry>> _entries;
+};
+
+#endif