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/*
* Copyright (C) 2011 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LayerRendererSurface_h
#define LayerRendererSurface_h
#if USE(ACCELERATED_COMPOSITING)
#include "FloatRect.h"
#include "IntRect.h"
#include "IntSize.h"
#include "LayerTexture.h"
#include "TransformationMatrix.h"
namespace WebCore {
class LayerCompositingThread;
class LayerRenderer;
class LayerRendererSurface {
WTF_MAKE_NONCOPYABLE(LayerRendererSurface);
public:
LayerRendererSurface(LayerRenderer*, LayerCompositingThread* owner);
~LayerRendererSurface();
IntSize size() const { return m_size; }
FloatRect contentRect() const { return m_contentRect; }
void setContentRect(const IntRect&);
FloatRect clipRect() const { return m_clipRect; }
void setClipRect(const FloatRect& rect) { m_clipRect = rect; }
FloatPoint origin() const { return FloatPoint(m_size.width() / 2.0f, m_size.height() / 2.0f); }
void setDrawTransform(const TransformationMatrix& matrix, const TransformationMatrix& projectionMatrix) { m_drawTransform = projectionMatrix * matrix; }
const TransformationMatrix& drawTransform() const { return m_drawTransform; }
void setReplicaDrawTransform(const TransformationMatrix& matrix, const TransformationMatrix& projectionMatrix) { m_replicaDrawTransform = projectionMatrix * matrix; }
const TransformationMatrix& replicaDrawTransform() const { return m_replicaDrawTransform; }
// These use normalized device coordinates
FloatRect boundingBox() const;
Vector<FloatPoint, 4> transformedBounds() const;
bool ensureTexture();
void releaseTexture();
LayerTexture* texture() const { return m_texture.get(); }
float drawOpacity() { return m_opacity; }
void setDrawOpacity(float opacity) { m_opacity = opacity; }
private:
RefPtr<LayerTexture> m_texture;
FloatRect m_contentRect;
FloatRect m_clipRect;
TransformationMatrix m_surfaceMatrix;
TransformationMatrix m_drawTransform;
TransformationMatrix m_replicaDrawTransform;
LayerCompositingThread* m_ownerLayer;
LayerRenderer* m_layerRenderer;
float m_opacity;
IntSize m_size;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif // LayerRendererSurface_h
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