Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/filters/Filter.h

Index: Source/core/platform/graphics/filters/Filter.h
diff --git a/Source/core/platform/graphics/filters/Filter.h b/Source/core/platform/graphics/filters/Filter.h
deleted file mode 100644
index 53787df68f730b8c904bb44dbe8d4c3081d1622a..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/filters/Filter.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef Filter_h
-#define Filter_h
-
-#include "core/platform/graphics/ImageBuffer.h"
-#include "platform/geometry/FloatRect.h"
-#include "platform/geometry/FloatSize.h"
-#include "wtf/RefCounted.h"
-
-namespace WebCore {
-
-class FilterEffect;
-
-class Filter : public RefCounted<Filter> {
-public:
-    Filter(const AffineTransform& absoluteTransform) : m_renderingMode(Unaccelerated), m_absoluteTransform(absoluteTransform) { }
-    virtual ~Filter() { }
-
-    void setSourceImage(PassOwnPtr<ImageBuffer> sourceImage) { m_sourceImage = sourceImage; }
-    ImageBuffer* sourceImage() { return m_sourceImage.get(); }
-
-    FloatSize filterResolution() const { return m_filterResolution; }
-    void setFilterResolution(const FloatSize& filterResolution) { m_filterResolution = filterResolution; }
-
-    const AffineTransform& absoluteTransform() const { return m_absoluteTransform; }
-    void setAbsoluteTransform(const AffineTransform& absoluteTransform) { m_absoluteTransform = absoluteTransform; }
-    FloatPoint mapAbsolutePointToLocalPoint(const FloatPoint& point) const { return m_absoluteTransform.inverse().mapPoint(point); }
-
-    RenderingMode renderingMode() const { return m_renderingMode; }
-    void setRenderingMode(RenderingMode renderingMode) { m_renderingMode = renderingMode; }
-
-    virtual float applyHorizontalScale(float value) const
-    {
-        float filterRegionScale = absoluteFilterRegion().isEmpty() || filterRegion().isEmpty() ?
-            1.0f : absoluteFilterRegion().width() / filterRegion().width();
-        return value * m_filterResolution.width() * filterRegionScale;
-    }
-    virtual float applyVerticalScale(float value) const
-    {
-        float filterRegionScale = absoluteFilterRegion().isEmpty() || filterRegion().isEmpty() ?
-            1.0f : absoluteFilterRegion().height() / filterRegion().height();
-        return value * m_filterResolution.height() * filterRegionScale;
-    }
-
-    virtual FloatRect sourceImageRect() const = 0;
-
-    FloatRect absoluteFilterRegion() const { return m_absoluteFilterRegion; }
-    void setAbsoluteFilterRegion(const FloatRect& rect) { m_absoluteFilterRegion = rect; }
-
-    FloatRect filterRegion() const { return m_filterRegion; }
-    void setFilterRegion(const FloatRect& rect) { m_filterRegion = rect; }
-
-private:
-    OwnPtr<ImageBuffer> m_sourceImage;
-    FloatSize m_filterResolution;
-    RenderingMode m_renderingMode;
-    AffineTransform m_absoluteTransform;
-    FloatRect m_absoluteFilterRegion;
-    FloatRect m_filterRegion;
-};
-
-} // namespace WebCore
-
-#endif // Filter_h