#ifndef MYCANVAS_H
#define MYCANVAS_H 
#include <qwidget.h>

class MyCanvas : public QWidget 
{
   Q_OBJECT
   public:
   MyCanvas (QWidget *parent=0, const char *name=0);
   signals:
   public slots: 
       void draw(int size);
       void setcolorRed();
       void setcolorBlue();
       void setcolorGreen();
  protected:
       void paintEvent(QPaintEvent *);
  private:
       int size;
       int color;
};
#endif