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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _TextEngine_H_
#define _TextEngine_H_
#include <pango/pango.h>
#include <pango/pangoft2.h>
#include <fontconfig/fontconfig.h>
#include <vector>
#include <string>
#include <set>
#include <map>
namespace avg {
class TextEngine {
public:
static TextEngine& get(bool bHint);
virtual ~TextEngine();
PangoContext * getPangoContext();
const std::vector<std::string>& getFontFamilies();
const std::vector<std::string>& getFontVariants(const std::string& sFontName);
void addFontDir(const std::string& sDir);
PangoFontDescription * getFontDescription(const std::string& sFamily,
const std::string& sVariant);
void FT2SubstituteFunc(FcPattern *pattern, gpointer data);
private:
TextEngine(bool bHint);
void init();
void deinit();
void initFonts();
PangoFontFamily * getFontFamily(const std::string& sFamily);
void checkFontError(int Ok, const std::string& sMsg);
bool m_bHint;
PangoContext * m_pPangoContext;
PangoFT2FontMap * m_pFontMap;
std::set<std::string> m_sFontsNotFound;
std::set<std::pair<std::string, std::string> > m_VariantsNotFound;
int m_NumFontFamilies;
std::vector<std::string> m_sFonts;
typedef std::map<std::pair<std::string, std::string>, PangoFontDescription* >
FontDescriptionCache;
FontDescriptionCache m_FontDescriptionCache;
PangoFontFamily** m_ppFontFamilies;
std::vector<std::string> m_sFontDirs;
};
}
#endif
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