diapathparser.cpp

/* This file is part of the KDE project
   Copyright (C) 2003, The Kivio Developers
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
 
#include "diapathparser.h"
 
DiaPointFinder::DiaPointFinder(TQValueList<float> *xlist,  TQValueList<float> *ylist) :
    SVGPathParser(), m_xlist(xlist), m_ylist(ylist)
{
    ;
}
 
void DiaPointFinder::svgMoveTo( double x1, double y1, bool )
{
    m_xlist->append(x1);
    m_ylist->append(y1);
}
void DiaPointFinder::svgLineTo( double x1, double y1, bool )
{
    m_xlist->append(x1);
    m_ylist->append(y1);
}
void DiaPointFinder::svgCurveToCubic( double x1, double y1, double x2, double y2, double x3, double y3, bool )
{
    m_xlist->append(x1);
    m_ylist->append(y1);
    m_xlist->append(x2);
    m_ylist->append(y2);
    m_xlist->append(x3);
    m_ylist->append(y3);
}
void DiaPointFinder::svgClosePath()
{
 
}
DiaPathParser::DiaPathParser(TQDomDocument *doc, TQDomElement *shape, float xscale, float yscale, float lowestx, float lowesty) :
    SVGPathParser(), m_doc(doc), m_shape(shape),
    m_xscale(xscale), m_yscale(yscale),
    m_lowestx(lowestx), m_lowesty(lowesty)
{
    lastX = 0.0;
    lastY = 0.0;
}
 
void DiaPathParser::svgMoveTo( double x1, double y1, bool )
{
    lastX = x1;
    lastY = y1;
}
void DiaPathParser::svgLineTo( double x1, double y1, bool )
{
    // Line
    float currentX = x1;
    float currentY = y1;
 
    // Create the line
    TQDomElement kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x", TQString::number(diaPointToKivio(lastX,true) * m_xscale));
    kivioPointElement.setAttribute("y", TQString::number(diaPointToKivio(lastY, false) * m_yscale));
    m_shape->appendChild(kivioPointElement);
 
    kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x", TQString::number(diaPointToKivio(currentX,true) * m_xscale));
    kivioPointElement.setAttribute("y", TQString::number(diaPointToKivio(currentY, false) * m_yscale));
    m_shape->appendChild(kivioPointElement);
    lastX = currentX;
    lastY = currentY;
}
 
void DiaPathParser::svgCurveToCubic( double x1, double y1, double x2, double y2, double x3, double y3, bool )
{
    // Spline
    float lastControlX = x1;
    float lastControlY = y1;
    float currentControlX = x2;
    float currentControlY = y2;
    float currentX = x3;
    float currentY = y3;
 
    // Create the bezier
    TQDomElement kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x",
        TQString::number(diaPointToKivio(lastX,true) * m_xscale));
    kivioPointElement.setAttribute("y",
        TQString::number(diaPointToKivio(lastY, false) * m_yscale));
    kivioPointElement.setAttribute("type", "bezier");
    m_shape->appendChild(kivioPointElement);
 
    kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x",
        TQString::number(diaPointToKivio(lastControlX,true) * m_xscale));
    kivioPointElement.setAttribute("y",
        TQString::number(diaPointToKivio(lastControlY, false) * m_yscale));
    kivioPointElement.setAttribute("type", "bezier");
    m_shape->appendChild(kivioPointElement);
 
    kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x",
            TQString::number(diaPointToKivio(currentControlX,true) * m_xscale));
    kivioPointElement.setAttribute("y",
        TQString::number(diaPointToKivio(currentControlY, false) * m_yscale));
    kivioPointElement.setAttribute("type", "bezier");
    m_shape->appendChild(kivioPointElement);
 
    kivioPointElement = m_doc->createElement("KivioPoint");
    kivioPointElement.setAttribute("x",
        TQString::number(diaPointToKivio(currentX,true) * m_xscale));
    kivioPointElement.setAttribute("y",
        TQString::number(diaPointToKivio(currentY, false) * m_yscale));
    kivioPointElement.setAttribute("type", "bezier");
    m_shape->appendChild(kivioPointElement);
    lastX = currentX;
    lastY = currentY;
}
void DiaPathParser::svgClosePath()
{
 
}
float DiaPathParser::diaPointToKivio(float point, bool xpoint)
{
    if(xpoint)
        return point - m_lowestx;
    else
        return point - m_lowesty;
}