curvdemo2.h

QWT5.01用于Qt开发的二维图形库程序

#include <qframe.h>
#include <qwt_plot_curve.h>
#include <qwt_scale_map.h>

class MainWin : public QFrame 
{
public:
    enum { curveCount = 4 };

    QwtScaleMap xMap[curveCount];
    QwtScaleMap yMap[curveCount];
    QwtPlotCurve curve[curveCount];

public:
    MainWin();
    
protected:
    virtual void timerEvent(QTimerEvent *t);
#if QT_VERSION >= 0x040000
    virtual void paintEvent(QPaintEvent *);
#endif
    virtual void drawContents(QPainter *);

private:
    void newValues();
};