#include "MyCanvas.h"
#include <qpainter.h>

 

 MyCanvas::MyCanvas(QWidget *parent, const char *name)
        : QWidget(parent,name)
 {
  size=1; 
  setPalette( QPalette( QColor( 250, 250, 200) ) );

 }
 void MyCanvas::draw(int s){
  size = s;
   repaint();
  }
 void MyCanvas::paintEvent( QPaintEvent * )
{
    QPainter p( this );
    p.drawRect( 100, 100, size,size );
}