Fung-Calc

00001 /***************************************************************************
00002                           densityplot.h  -  description
00003                              -------------------
00004     begin                : Sat May 25 2002
00005     copyright            : (C) 2002 by Fungmeista
00006     email                : mizunoami442@sourceforge.net
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 
00018 #ifndef DENSITYPLOT_H
00019 #define DENSITYPLOT_H
00020 
00021 #include "expressiongraph.h"
00022 
00023 class FungParser;
00024 
00029 class DensityPlot : public ExpressionGraph
00030 {
00031     Q_OBJECT
00032 
00033     public:
00034         DensityPlot ( QWidget *parent=0, const char *name=0 );
00035         ~DensityPlot();
00036 
00037         virtual inline int getGraphType() const{return DENSITYPLOT;}
00038 
00039     protected:
00040         virtual const char * independent_vars(){return "x,y";}
00041         virtual const char * dependent_var(int=0){return "z";}
00042         virtual void drawExpression(QPainter *painter, Expression &);
00043         virtual int setXYForTrace(const double, const double, double *, double *, Expression &);
00044                 virtual void updateCoords();
00045 };
00046 
00047 #endif //DensityPlot_H