1 files changed, 28 insertions, 13 deletions
diff --git a/WebCore/platform/graphics/skia/ImageBufferSkia.cpp b/WebCore/platform/graphics/skia/ImageBufferSkia.cpp
index eaa91ec..a63eec5 100644
--- a/WebCore/platform/graphics/skia/ImageBufferSkia.cpp
+++ b/WebCore/platform/graphics/skia/ImageBufferSkia.cpp
@@ -87,20 +87,35 @@ GraphicsContext* ImageBuffer::context() const
     return m_context.get();
 }
 
-Image* ImageBuffer::image() const
+bool ImageBuffer::drawsUsingCopy() const
 {
-    if (!m_image) {
-        // This creates a COPY of the image and will cache that copy. This means
-        // that if subsequent operations take place on the context, neither the
-        // currently-returned image, nor the results of future image() calls,
-        // will contain that operation.
-        //
-        // This seems silly, but is the way the CG port works: image() is
-        // intended to be used only when rendering is "complete."
-        m_image = BitmapImageSingleFrameSkia::create(
-            *m_data.m_platformContext.bitmap());
-    }
-    return m_image.get();
+    return true;
+}
+
+PassRefPtr<Image> ImageBuffer::copyImage() const
+{
+    return BitmapImageSingleFrameSkia::create(*m_data.m_platformContext.bitmap());
+}
+
+void ImageBuffer::clip(GraphicsContext* context, const FloatRect& rect) const
+{
+#if OS(LINUX) || OS(WINDOWS)
+    context->platformContext()->beginLayerClippedToImage(rect, this);
+#endif
+}
+
+void ImageBuffer::draw(GraphicsContext* context, ColorSpace styleColorSpace, const FloatRect& destRect, const FloatRect& srcRect,
+                       CompositeOperator op, bool useLowQualityScale)
+{
+    RefPtr<Image> imageCopy = copyImage();
+    context->drawImage(imageCopy.get(), styleColorSpace, destRect, srcRect, op, useLowQualityScale);
+}
+
+void ImageBuffer::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const AffineTransform& patternTransform,
+                              const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect)
+{
+    RefPtr<Image> imageCopy = copyImage();
+    imageCopy->drawPattern(context, srcRect, patternTransform, phase, styleColorSpace, op, destRect);
 }
 
 void ImageBuffer::platformTransformColorSpace(const Vector<int>& lookUpTable)