smesh/src/SMESHGUI/SMESHGUI_FunctionPreview.h
2005-12-05 16:31:55 +00:00

74 lines
2.4 KiB
C++

// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/
//
#ifndef SMESHGUI_FUNCTION_PREVIEW_HEADER
#define SMESHGUI_FUNCTION_PREVIEW_HEADER
#include "qwt_plot.h"
#include <SALOMEconfig.h>
#include CORBA_SERVER_HEADER(SMESH_Mesh)
#include <ExprIntrp_GenExp.hxx>
#include <Expr_Array1OfNamedUnknown.hxx>
#include <TColStd_Array1OfReal.hxx>
class SMESHGUI_FunctionPreview : public QwtPlot
{
Q_OBJECT
public:
SMESHGUI_FunctionPreview( QWidget* );
virtual ~SMESHGUI_FunctionPreview();
QString function() const;
bool isTableFunc() const;
void tableFunc( SMESH::double_array& ) const;
void interval( double&, double& ) const;
int pointsCount() const;
bool isDone() const;
bool setParams( const QString&, const double = 0.0, const double = 1.0, const int = 50, const bool = true );
bool setParams( const SMESH::double_array&, const double = 0.0, const double = 1.0, const bool = true );
void setIsExp( const bool, const bool = true );
protected:
virtual bool init( const QString& );
virtual double funcValue( const double, bool& );
virtual bool createTable( SMESH::double_array& );
virtual void drawContents( QPainter* );
private:
double calc( bool& );
private:
QString myFunction;
double myXmin, myXmax;
int myPoints;
bool myIsTable;
bool myIsExp;
SMESH::double_array myTableFunc;
long myCurve;
Handle(ExprIntrp_GenExp) myExpr;
Expr_Array1OfNamedUnknown myVars;
TColStd_Array1OfReal myValues;
bool myIsDone;
};
#endif