CCSharedQuadState.h   [plain text]

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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#ifndef CCSharedQuadState_h
#define CCSharedQuadState_h

#include "FloatQuad.h"
#include "IntRect.h"
#include "TransformationMatrix.h"
#include <wtf/PassOwnPtr.h>

namespace WebCore {

class CCSharedQuadState {
    WTF_MAKE_NONCOPYABLE(CCSharedQuadState);
public:
    static PassOwnPtr<CCSharedQuadState> create(const TransformationMatrix& quadTransform, const TransformationMatrix& layerTransform, const IntRect& layerRect, const IntRect& clipRect, float opacity, bool opaque);

    // The transform that quads in a CCDrawQuad should be transformed with.
    const TransformationMatrix& quadTransform() const { return m_quadTransform; }
    // The transform that layerRect() should be transformed with.
    const TransformationMatrix& layerTransform() const { return m_layerTransform; }
    const IntRect& layerRect() const { return m_layerRect; }
    // Usage: if clipRect is empty, this clipRect should not be used.
    const IntRect& clipRect() const { return m_clipRect; }

    float opacity() const { return m_opacity; }
    bool isOpaque() const { return m_opaque; }
    bool isLayerAxisAlignedIntRect() const;

private:
    CCSharedQuadState(const TransformationMatrix& quadTransform, const TransformationMatrix& layerTransform, const IntRect& layerRect, const IntRect& clipRect, float opacity, bool opaque);

    TransformationMatrix m_quadTransform;
    TransformationMatrix m_layerTransform;
    IntRect m_layerRect;
    IntRect m_clipRect;
    float m_opacity;
    bool m_opaque;
};

}

#endif