void DrawRect(Draw& w,Rect rectClient,Color fromColor,Color toColor,int level)
{
  Rect rectFill;          // Rectangle for filling band
  float fStep;            // How large is each band?
	
  int iOnBand;  // Loop index
// Determine how large each band should be in order to cover the
// client with 256 bands (one for every color intensity level)
	
  fStep = (float)rectClient.bottom / level*1.0f;
	
// Start filling bands
  for (iOnBand = 0; iOnBand < level; iOnBand++) 
  {
	// Set the location of the current band	
	rectFill.Set(rectClient.left,rectClient.top+(int)(iOnBand * fStep), 
rectClient.right,rectClient.top+(int)((iOnBand+1) * fStep));
	w.DrawRect(rectFill, GradientColor(fromColor,toColor,iOnBand,level));	
  }
}

  DrawRect(w,Rect(10,10,70,80),Yellow(),Black(),256);

void DrawGradient(Draw &w, Rect r, Color c1, Color c2)
{
int i;

   for (i = r.top; i <= r.bottom; i++)
      w.DrawLine(i, r.left, i, r.right, GradientColor(c1, c2, i - r.Top, r.Height());
}

	virtual void Paint(Draw& draw)
	{
		draw.DrawRect(GetSize(), SColorFace());

		ImageDraw img(200, 100);	
		img.Alpha().DrawRect(0, 0, 200, 100, Color(128, 0, 0));
		img.Alpha().DrawText(0, 0, "This is the alpha channel", StdFont(), Color(0, 0, 0));
		img.DrawRect(0, 0, 200, 100, Red());

		draw.DrawImage(1, 1, img);
	}