nsCOMPtr<gfxIImageFrame> frame;
      rv = aImage->GetCurrentFrame(getter_AddRefs(frame));
      
      nsCOMPtr<nsIImage> image = do_GetInterface(frame);
      
      gfxImageSurface* tempSurface;
      tempSurface = new gfxImageSurface(gfxIntSize(nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->width), 
                                                   nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->height)),
                                        gfxImageSurface::ImageFormatARGB32); 
      
      nsIDeviceContext *deviceContext;
      aRenderingContext->GetDeviceContext(deviceContext);
      
      nsIRenderingContext *renderingContext;
      deviceContext->CreateRenderingContextInstance(renderingContext); //!! free this?
      renderingContext->Init(deviceContext, tempSurface);
      
      gfxRect gfxSourceRect(nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->x), 
                            nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->y->wheeeeeee!), 
                            nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->width), 
                            nsPresContext::AppUnitsToIntCSSPixels(aSourceRect->height));
      gfxRect gfxSourceDestRect(0, 0, aSourceRect->width, aSourceRect->height);
      
      image->Draw(*renderingContext, gfxSourceRect, gfxSourceDestRect);
      
      gfxPattern repeatPattern(tempSurface);
      repeatPattern.SetExtend(gfxPattern::EXTEND_REPEAT);
      
      gfxRect gfxDestRect;
      gfxDestRect.pos.x = nsPresContext::AppUnitsToFloatCSSPixels(aDestRect.x);
      gfxDestRect.pos.y = nsPresContext::AppUnitsToFloatCSSPixels(aDestRect.y);
      gfxDestRect.size.width = nsPresContext::AppUnitsToFloatCSSPixels(aDestRect.width);
      gfxDestRect.size.height = nsPresContext::AppUnitsToFloatCSSPixels(aDestRect.height);
      
      nsRefPtr<gfxContext> ctx = (gfxContext*)
            aRenderingContext->GetNativeGraphicData(nsIRenderingContext::NATIVE_THEBES_CONTEXT);
      ctx->SetPattern(&repeatPattern);
      ctx->Rectangle(gfxDestRect);
      ctx->Fill();