layout/svg/base/src/nsSVGFilterPaintCallback.h

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  36
  37 #ifndef __NS_SVGFILTERPAINTCALLBACK_H__
  38 #define __NS_SVGFILTERPAINTCALLBACK_H__
  39
  40 #include "nsRect.h"
  41
  42 class nsIFrame;
  43 class nsIDOMSVGMatrix;
  44 class nsSVGRenderState;
  45
  46 class nsSVGFilterPaintCallback {
  47 public:
  48   /**
  49    * Paint the frame contents.
  50    * SVG frames will have had matrix propagation set to false already.
  51    * Non-SVG frames have to do their own thing.
  52    * The caller will do a Save()/Restore() as necessary so feel free
  53    * to mess with context state.
  54    * The context will be configured to use the "user space" coordinate
  55    * system.
  56    * @param aDirtyRect the dirty rect *in user space pixels*
  57    */
  58   virtual void Paint(nsSVGRenderState *aContext, nsIFrame *aTarget,
  59                      const nsIntRect *aDirtyRect) = 0;
  60 };
  61
  62 #endif