title: rotate image in around its center point in canvas
body: <p>rotate image on canvas around its center . i tried some example from net but i am failed </p>
  
  <p>if i am using <code>bitmap.creatbitmap</code> with matrix i am getting error </p>
  
  <p>Please suggest me which is better</p>
  
  <p>Thanks in advance</p>
  
  <p>Aswan</p>