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/*************************************************************************
** SVGFontTraceEmitter.h **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2009 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 SVGFONTTRACEREMITTER_H
#define SVGFONTTRACEREMITTER_H
#include <istream>
#include <set>
#include "CharmapTranslator.h"
#include "FontEmitter.h"
#include "XMLNode.h"
class FileFinder;
class Font;
class FontCache;
class FontManager;
class GFGlyphTracer;
class SVGTree;
class XMLElementNode;
class SVGFontTraceEmitter : public FontEmitter
{
public:
SVGFontTraceEmitter (const Font *font, const FontManager &fm, const CharmapTranslator &cmt, SVGTree &svg, bool uf);
~SVGFontTraceEmitter ();
int emitFont (const char *id);
int emitFont (const std::set<int> &usedChars, const char *id);
bool emitGlyph (int c);
public:
static const char *CACHE_PATH; ///< path to cache directory (0 if caching is disabled)
static bool TRACE_ALL; ///< if true, not only the actually used, but all font glyphs are traced
static double METAFONT_MAG; ///< magnification factor for Metafont calls
protected:
int emitFont (const std::set<int> *usedChars, const char *id);
bool prepareTracer ();
void traceAllGlyphs ();
private:
GFGlyphTracer *_gfTracer;
std::istream *_in;
const Font *_font;
const FontManager &_fontManager;
FontCache *_cache;
const CharmapTranslator &_charmapTranslator;
SVGTree &_svg;
XMLElementNode *_glyphNode;
bool _useFonts;
};
#endif
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