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authorKarl Berry <karl@freefriends.org>2017-01-31 18:37:40 +0000
committerKarl Berry <karl@freefriends.org>2017-01-31 18:37:40 +0000
commit4c245316c293169ee655c8e2f922b4bee454f9bc (patch)
tree2d3b72165f3e7e1298df8dad8b52f119a42228dc /Build/source/texk/dvisvgm/dvisvgm-src/src/FontEngine.hpp
parent54a2f67f996dceca3c89276dea798f746b3cacaf (diff)
import original dvisvgm-2.1
git-svn-id: svn://tug.org/texlive/trunk@43102 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/FontEngine.hpp')
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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/FontEngine.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/FontEngine.hpp
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+/*************************************************************************
+** FontEngine.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2017 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_HPP
+#define FONTENGINE_HPP
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_CID_H
+#include <map>
+#include <string>
+#include <vector>
+#include "Character.hpp"
+#include "CharMapID.hpp"
+#include "Glyph.hpp"
+#include "RangeMap.hpp"
+
+class 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 ();
+ bool setFont (const Font &font);
+ bool isCIDFont() const;
+ bool traceOutline (const Character &c, Glyph &glyph, bool scale=true) const;
+ const char* getFamilyName () const;
+ const char* getStyleName () const;
+ int getUnitsPerEM () const;
+ int getAscender () const;
+ int getDescender () const;
+ int getAdvance (int c) const;
+ int getHAdvance () const;
+ int getHAdvance (const Character &c) const;
+ int getVAdvance (const Character &c) const;
+ int getFirstChar () const;
+ int getNextChar () const;
+ int getCharMapIDs (std::vector<CharMapID> &charmapIDs) const;
+ int getNumGlyphs () const;
+ CharMapID setUnicodeCharMap ();
+ CharMapID setCustomCharMap ();
+ std::vector<int> getPanose () const;
+ std::string getGlyphName (const Character &c) const;
+ int getCharByGlyphName (const char *name) const;
+ bool setCharMap (const CharMapID &charMapID);
+ void buildCharMap (RangeMap &charmap);
+ const RangeMap* createCustomToUnicodeMap ();
+
+ protected:
+ FontEngine ();
+ bool setFont (const std::string &fname, int fontindex, const CharMapID &charmapID);
+ int charIndex (const Character &c) const;
+
+ private:
+ mutable unsigned int _currentChar, _currentGlyphIndex;
+ FT_Face _currentFace;
+ FT_Library _library;
+ const Font *_currentFont;
+};
+
+#endif