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functiongraph.h
00001 /*************************************************************************** 00002 functiongraph.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 FUNCTIONGRAPH_H 00019 #define FUNCTIONGRAPH_H 00020 00021 #include "expressiongraph.h" 00022 00023 class FungParser; 00024 00029 class FunctionGraph : public ExpressionGraph 00030 { 00031 Q_OBJECT 00032 00033 public: 00034 FunctionGraph ( QWidget *parent=0, const char *name=0 ); 00035 ~FunctionGraph(); 00036 00038 int execMathFunction( const char * id ); 00039 00040 virtual void installMathFunctions(); 00041 00042 virtual inline int getGraphType() const{return FUNCTIONGRAPH;} 00043 00044 protected: 00045 virtual const char * independent_vars(){return "x";} 00046 virtual const char * dependent_var(int=0){return "y";} 00047 virtual void drawExpression(QPainter *painter, Expression &); 00048 virtual int setXYForTrace(const double, const double, double *, double *, Expression &); 00049 }; 00050 00051 #endif //FUNCTIONGRAPH_H