Forward fill and stroke styles from 2d canvas to canvas filters

third_party/WebKit/Source/platform/graphics/filters/PaintFilterEffect.cpp

Index: third_party/WebKit/Source/platform/graphics/filters/PaintFilterEffect.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/filters/PaintFilterEffect.cpp b/third_party/WebKit/Source/platform/graphics/filters/PaintFilterEffect.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..90b5c87a571210bcccc041453085582b66fb31c2
--- /dev/null
+++ b/third_party/WebKit/Source/platform/graphics/filters/PaintFilterEffect.cpp
@@ -0,0 +1,55 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "platform/graphics/filters/PaintFilterEffect.h"
+
+#include "platform/graphics/filters/Filter.h"
+#include "platform/text/TextStream.h"
+#include "third_party/skia/include/core/SkShader.h"
+#include "third_party/skia/include/effects/SkRectShaderImageFilter.h"
+
+namespace blink {
+
+PaintFilterEffect::PaintFilterEffect(Filter* filter, PassRefPtr<SkShader> shader)
+    : FilterEffect(filter)
+    , m_shader(shader)
+{
+    setOperatingColorSpace(ColorSpaceDeviceRGB);
+}
+
+PaintFilterEffect::~PaintFilterEffect()
+{
+}
+
+PassRefPtrWillBeRawPtr<PaintFilterEffect> PaintFilterEffect::create(Filter* filter, PassRefPtr<SkShader> shader)
+{
+    return adoptRefWillBeNoop(new PaintFilterEffect(filter, shader));
+}
+
+const AtomicString& PaintFilterEffect::fillEffectName()
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("FillPaint", AtomicString::ConstructFromLiteral));
+    return s_effectName;
+}
+
+const AtomicString& PaintFilterEffect::strokeEffectName()
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("StrokePaint", AtomicString::ConstructFromLiteral));
+    return s_effectName;
+}
+
+PassRefPtr<SkImageFilter> PaintFilterEffect::createImageFilter(SkiaImageFilterBuilder&)
+{
+    bool dither = true;
+    return adoptRef(SkRectShaderImageFilter::Create(m_shader.get(), nullptr, dither));
+}
+
+TextStream& PaintFilterEffect::externalRepresentation(TextStream& ts, int indent) const
+{
+    writeIndent(ts, indent);
+    ts << "[PaintFilterEffect]\n";
+    return ts;
+}
+
+} // namespace blink