Move painting code from RenderBoxModelObject into BoxPainter.

Source/core/paint/BackgroundImageGeometry.h

+// Copyright 2014 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.
+
+#ifndef BackgroundImageGeometry_h
+#define BackgroundImageGeometry_h
+
+#include "platform/geometry/IntPoint.h"
+#include "platform/geometry/IntRect.h"
+#include "platform/geometry/IntSize.h"
+
+namespace blink {
+
+class BackgroundImageGeometry {
+public:
+    BackgroundImageGeometry()
+        : m_hasNonLocalGeometry(false)
+    { }
+
+    IntPoint destOrigin() const { return m_destOrigin; }
+    void setDestOrigin(const IntPoint& destOrigin)
+    {
+        m_destOrigin = destOrigin;
+    }
+
+    IntRect destRect() const { return m_destRect; }
+    void setDestRect(const IntRect& destRect)
+    {
+        m_destRect = destRect;
+    }
+
+    // Returns the phase relative to the destination rectangle.
+    IntPoint relativePhase() const;
+
+    IntPoint phase() const { return m_phase; }
+    void setPhase(const IntPoint& phase)
+    {
+        m_phase = phase;
+    }
+
+    IntSize tileSize() const { return m_tileSize; }
+    void setTileSize(const IntSize& tileSize)
+    {
+        m_tileSize = tileSize;
+    }
+
+    // Space-size represents extra width and height that may be added to
+    // the image if used as a pattern with repeat: space
+    IntSize spaceSize() const { return m_repeatSpacing; }
+    void setSpaceSize(const IntSize& repeatSpacing)
+    {
+        m_repeatSpacing = repeatSpacing;
+    }
+
+    void setPhaseX(int x) { m_phase.setX(x); }
+    void setPhaseY(int y) { m_phase.setY(y); }
+
+    void setNoRepeatX(int xOffset);
+    void setNoRepeatY(int yOffset);
+
+    void useFixedAttachment(const IntPoint& attachmentPoint);
+
+    void clip(const IntRect&);
+
+    void setHasNonLocalGeometry(bool hasNonLocalGeometry = true) { m_hasNonLocalGeometry = hasNonLocalGeometry; }
+    bool hasNonLocalGeometry() const { return m_hasNonLocalGeometry; }
+
+private:
+    IntRect m_destRect;
+    IntPoint m_destOrigin;
+    IntPoint m_phase;
+    IntSize m_tileSize;
+    IntSize m_repeatSpacing;
+    bool m_hasNonLocalGeometry; // Has background-attachment: fixed. Implies that we can't always cheaply compute destRect.
+};
+
+#endif // BackgroundImageGeometry_h
+
+} // namespace blink