gecko-dev/layout/svg/base/src/nsSVGPaintServerFrame.h

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#ifndef __NS_SVGPAINTSERVERFRAME_H__
#define __NS_SVGPAINTSERVERFRAME_H__

#include "nsSVGContainerFrame.h"
#include "nsSVGValue.h"
#include "cairo.h"

class nsISVGRendererCanvas;
class nsSVGGeometryFrame;

typedef nsSVGContainerFrame nsSVGPaintServerFrameBase;

class nsSVGPaintServerFrame : public nsSVGPaintServerFrameBase,
                              public nsSVGValue
{
public:
  nsSVGPaintServerFrame(nsStyleContext* aContext) :
      nsSVGPaintServerFrameBase(aContext) {}

  virtual nsresult SetupPaintServer(nsISVGRendererCanvas *aCanvas,
                                    cairo_t *aCtx,
                                    nsSVGGeometryFrame *aSource,
                                    float aOpacity,
                                    void **aClosure) = 0;
  virtual void CleanupPaintServer(cairo_t *aCtx, void *aClosure) = 0;

  // nsISupports interface:
  NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);

  // nsISVGValue interface:
  NS_IMETHOD SetValueString(const nsAString &aValue) { return NS_OK; }
  NS_IMETHOD GetValueString(nsAString& aValue) { return NS_ERROR_NOT_IMPLEMENTED; }
};

#endif // __NS_SVGPAINTSERVERFRAME_H__