Factor painting code for filters out of FilterEffectRenderer into FilterPainter.

Source/core/rendering/FilterEffectRenderer.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 21 matching lines @@
 #include "core/fetch/DocumentResourceReference.h"
 #include "core/frame/Settings.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/svg/ReferenceFilterBuilder.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
 #include "platform/FloatConversion.h"
 #include "platform/LengthFunctions.h"
 #include "platform/graphics/ColorSpace.h"
-#include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/ImageFilter.h"
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
 #include "platform/graphics/filters/FEColorMatrix.h"
 #include "platform/graphics/filters/FEComponentTransfer.h"
 #include "platform/graphics/filters/FEDropShadow.h"
 #include "platform/graphics/filters/FEGaussianBlur.h"
-#include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/graphics/filters/SourceGraphic.h"
 #include "wtf/MathExtras.h"
 #include <algorithm>
 
 namespace blink {
 
 static inline void endMatrixRow(Vector<float>& parameters)
 {
     parameters.append(0);
     parameters.append(0);
@@ skipping 187 matching lines @@
 
     return true;
 }
 
 void FilterEffectRenderer::clearIntermediateResults()
 {
     if (m_lastEffect.get())
         m_lastEffect->clearResultsRecursive();
 }
 
-bool FilterEffectRenderer::beginFilterEffect(GraphicsContext* context, const FloatRect& filterBoxRect)
-{
-    SkiaImageFilterBuilder builder(context);
-    m_lastEffect->determineFilterPrimitiveSubregion(MapRectForward);
-    RefPtr<ImageFilter> imageFilter = builder.build(m_lastEffect.get(), ColorSpaceDeviceRGB);
-    if (!imageFilter)
-        return false;
-    context->save();
-    FloatRect boundaries = mapImageFilterRect(imageFilter.get(), filterBoxRect);
-    context->translate(filterBoxRect.x(), filterBoxRect.y());
-    boundaries.move(-filterBoxRect.x(), -filterBoxRect.y());
-    context->beginLayer(1, CompositeSourceOver, &boundaries, ColorFilterNone, imageFilter.get());
-    context->translate(-filterBoxRect.x(), -filterBoxRect.y());
-    return true;
-}
-
-void FilterEffectRenderer::endFilterEffect(GraphicsContext* context)
-{
-    context->endLayer();
-    context->restore();
-}
 
 } // namespace blink