The nsIDOMHTMLCanvasElement interface is the interface to a HTML
 <canvas> element.

 For more information on this interface, please see
 http://www.whatwg.org/specs/web-apps/current-work/#graphics

 @status UNDER_DEVELOPMENT
[scriptable, uuid(d87394af-d31a-484e-8b7c-75381045384d)]
interface nsIDOMHTMLCanvasElement : nsIDOMHTMLElement

Attributes


          

  
    attribute
  
    long  
  height

        

              

          

          

  
    attribute
  
    boolean  
  mozOpaque

        

              

          

          

  
    attribute
  
    long  
  width

        

          

        
Methods

    

              

          

          

  
    
    nsISupports
  getContext(in DOMString contextId)

        

              

          

          

  
    
    DOMString
  toDataURL()

        

              

          

          

  
  [noscript]   
    DOMString
  toDataURLAs(in DOMString mimeType, in DOMString encoderOptions)