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/*************************************************************************
** GFGlyphTracer.cpp **
** **
** 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/>. **
*************************************************************************/
#include "GFGlyphTracer.h"
#include "Pair.h"
using namespace std;
GFGlyphTracer::GFGlyphTracer (istream &is, double upp) : GFTracer(is, upp)
{
_glyph = new Glyph;
_transfered = false;
}
GFGlyphTracer::~GFGlyphTracer () {
if (!_transfered)
delete _glyph;
}
void GFGlyphTracer::moveTo (double x, double y) {
LPair p(x, y);
_glyph->addCommand(new GlyphMoveTo(p));
}
void GFGlyphTracer::lineTo (double x, double y) {
LPair p(x, y);
_glyph->addCommand(new GlyphLineTo(p));
}
void GFGlyphTracer::curveTo (double c1x, double c1y, double c2x, double c2y, double x, double y) {
LPair p1(c1x, c1y);
LPair p2(c2x, c2y);
LPair p3(x, y);
_glyph->addCommand(new GlyphCubicTo(p1, p2, p3));
}
void GFGlyphTracer::closePath () {
_glyph->addCommand(new GlyphClosePath());
}
void GFGlyphTracer::endChar (UInt32 c) {
if (_transfered) {
_glyph = new Glyph;
_transfered = false;
}
else
_glyph->clear();
GFTracer::endChar(c);
_glyph->optimizeCommands();
}
/** Returns a pointer to the current glyph object and transfers its ownership. That means
* the caller is responsible for deleting the object after its usage. GFGlyphTracer doesn't
* care for it any longer. To just retrieve the glyph without transferring ownership, use
* getGlyph(). */
Glyph* GFGlyphTracer::transferGlyph () {
_transfered = true;
return _glyph;
}
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