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+/*************************************************************************
+** FontEngine.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2012 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 FONTENGINE_H
+#define FONTENGINE_H
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include <map>
+#include <string>
+#include <vector>
+#include "types.h"
+#include "Glyph.h"
+
+struct Font;
+
+/** This class provides methods to handle font files and font data.
+ * It's a wrapper for the Freetype font library. */
+class FontEngine
+{
+ public:
+ ~FontEngine ();
+ static FontEngine& instance ();
+ static std::string version ();
+ void setDeviceResolution (int x, int y);
+ bool setFont (const Font &font);
+ bool setCharSize (int ptSize);
+ bool traceOutline (unsigned char chr, Glyph &glyph, bool scale=true) const;
+ bool traceOutline (const char *name, Glyph &glyph, bool scale) const;
+ const char* getFamilyName () const;
+ const char* getStyleName () const;
+ int getUnitsPerEM () const;
+ int getAscender () const;
+ int getDescender () const;
+ int getHAdvance () const;
+ int getHAdvance (unsigned int c) const;
+ int getHAdvance (const char *name) const;
+ int getFirstChar () const;
+ int getNextChar () const;
+ int getCharSize () const {return _ptSize;}
+ std::vector<int> getPanose () const;
+ std::string getGlyphName (unsigned int c) const;
+ int getCharByGlyphName (const char *name) const;
+ void buildTranslationMap (std::map<UInt32,UInt32> &translationMap) const;
+
+ protected:
+ FontEngine ();
+ bool setFont (const std::string &fname, int ptSize=0);
+
+ private:
+ int _horDeviceRes, _vertDeviceRes;
+ mutable unsigned int _currentChar, _currentGlyphIndex;
+ FT_Face _currentFace;
+ FT_Library _library;
+ int _ptSize;
+ std::string fname;
+};
+
+#endif