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/*************************************************************************
** GFGlyphTracer.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2021 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/>. **
*************************************************************************/
#include "GFGlyphTracer.hpp"
using namespace std;
/** Constructs a new glyph tracer.
* @param[in] is GF input stream
* @param[in] upp target units per PS point */
GFGlyphTracer::GFGlyphTracer (const string &fname, double upp, Callback *cb)
: GFTracer(_ifs, upp), _callback(cb)
{
if (_callback)
_callback->setFont(fname);
_ifs.open(fname, ios::binary);
}
void GFGlyphTracer::reset (const string &fname, double upp) {
if (_callback)
_callback->setFont(fname);
if (_ifs.is_open())
_ifs.close();
unitsPerPoint(upp);
_ifs.open(fname, ios::binary);
}
bool GFGlyphTracer::executeChar (uint8_t c) {
if (!_glyph)
return false;
if (_callback)
_callback->beginChar(c);
bool ok = GFTracer::executeChar(c);
if (_callback) {
if (ok)
_callback->endChar(c);
else
_callback->emptyChar(c);
}
return ok;
}
void GFGlyphTracer::moveTo (double x, double y) {
_glyph->moveto(int(x), int(y));
}
void GFGlyphTracer::lineTo (double x, double y) {
_glyph->lineto(int(x), int(y));
}
void GFGlyphTracer::curveTo (double c1x, double c1y, double c2x, double c2y, double x, double y) {
_glyph->cubicto(int(c1x), int(c1y), int(c2x), int(c2y), int(x), int(y));
}
void GFGlyphTracer::closePath () {
_glyph->closepath();
}
void GFGlyphTracer::endChar (uint32_t c) {
_glyph->clear();
GFTracer::endChar(c);
}
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