#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);
 protected:
  void paintEvent(QPaintEvent *);
 private:
   int size;
};
#endif