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/*************************************************************************
** GlyphTracerMessages.h **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2015 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 DVISVGM_GLYPHTRACERMESSAGES_H
#define DVISVGM_GLYPHTRACERMESSAGES_H
#include <sstream>
#include "GFGlyphTracer.h"
#include "Message.h"
#include "types.h"
class GlyphTracerMessages : public GFGlyphTracer::Callback
{
public:
GlyphTracerMessages (bool sfmsg=true, bool autonl=true) : _sfmsg(sfmsg), _autonl(autonl), _traced(false) {}
~GlyphTracerMessages () {
if (_autonl)
Message::mstream() << '\n';
}
void beginChar (UInt8 c) {
if (!_traced) {
if (!_fname.empty())
Message::mstream() << '\n';
Message::mstream(false, Message::MC_STATE)
<< "tracing glyphs of " << _fname.substr(0, _fname.length()-3) << '\n';
_traced = true;
}
}
void endChar (UInt8 c) {
std::ostringstream oss;
oss << '[';
if (isprint(c))
oss << c;
else
oss << '#' << unsigned(c);
oss << ']';
Message::mstream(false, Message::MC_TRACING) << oss.str();
}
void setFont (const std::string &fname) {
if (_sfmsg && fname != _fname) {
_fname = fname;
_traced = false;
}
}
private:
std::string _fname;
bool _sfmsg, _autonl;
bool _traced; ///< true if a glyph of the current font has already been traced?
};
#endif
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