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#ifndef nsIDrawingSurfaceMac_h___
#define nsIDrawingSurfaceMac_h___

#include "nsIDrawingSurface.h"
#include "nsIWidget.h"
#include "nsIRenderingContext.h"
#include <QDOffscreen.h>

class GraphicsState;

// windows specific drawing surface method set

#define NS_IDRAWING_SURFACE_MAC_IID   \
{ 0xd49598bb, 0x04ff, 0x4aba, \
 { 0xab, 0x90, 0x5b, 0xd0, 0xdd, 0x82, 0xba, 0xef } }

class nsIDrawingSurfaceMac : public nsISupports
{
public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDRAWING_SURFACE_MAC_IID)

  /**
   * Initialize a drawing surface using a Macintosh GrafPtr.
   * aPort is not owned by this drawing surface, just used by it.
   * @param  aPort GrafPtr to initialize drawing surface with
   * @return error status
   **/
  NS_IMETHOD Init(nsIDrawingSurface* aDS) = 0;

  /**
   * Initialize a drawing surface using a Macintosh GrafPtr.
   * aPort is not owned by this drawing surface, just used by it.
   * @param  aPort GrafPtr to initialize drawing surface with
   * @return error status
   **/
  NS_IMETHOD Init(CGrafPtr aPort) = 0;

  /**
   * Initialize a drawing surface using a nsIWidget.
   * aTheWidget is not owned by this drawing surface, just used by it.
   * @param  aTheWidget a nsWidget that contains the GrafPtr and all the data needed
   * @return error status
   **/
	NS_IMETHOD Init(nsIWidget *aTheWidget) = 0;

  /**
   * Create and initialize an offscreen drawing surface 
	 * @param  aDepth depth of the offscreen drawing surface
   * @param  aWidth width of the offscreen drawing surface
   * @param  aHeight height of the offscren drawing surface
   * @param  aFlags flags used to control type of drawing surface created
   * @return error status
   **/
  NS_IMETHOD Init(PRUint32 aDepth, PRUint32 aWidth, PRUint32 aHeight,PRUint32 aFlags) = 0;

  /**
   * Get a Macintosh GrafPtr that represents the drawing surface.
   * @param  aPort out parameter for GrafPtr
   * @return error status
   **/
  NS_IMETHOD GetGrafPtr(CGrafPtr *aPort) = 0;

  /**
   * Quartz helper function.  Constructs a Quartz context from the drawing
   * surface's QuickDraw port.  Must be balanced with a call to
   * EndQuartzDrawing().
   * @return Quartz drawing context
   **/
  NS_IMETHOD_(CGContextRef) StartQuartzDrawing() = 0;

  /**
   * Quartz helper function.  Releases Quartz context and resets state of
   * drawing surface for QuickDraw calls.  Must be called when you are done
   * drawing to the Quartz context.
   * @param Quartz drawing context returned by StartQuartzDrawing()
   **/
  NS_IMETHOD_(void) EndQuartzDrawing(CGContextRef aContext) = 0;

};

#endif  // nsIDrawingSurfaceMac_h___