DVOffscreenGraphicsContext.h

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// Owner: jargast
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
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#ifndef __DVOffscreenGraphicsContext__
#define __DVOffscreenGraphicsContext__

#include "IGraphicsContext.h"
#include "PMMatrix.h"

class IControlView;
class IViewPort;
class ITransform;
class IGraphicsContext;

class DVOffscreenGraphicsContext : public IGraphicsContext
{
public:

 // ----- Initialization -----
 DVOffscreenGraphicsContext(IViewPort* viewPort, const PMMatrix& toWindowMatrix, IControlView* iView, SysRgn clipRgnInWinCoords = nil);
 virtual ~DVOffscreenGraphicsContext();

 // ----- Clipping -----
 
 virtual SysRgn GetClip() const;
 virtual SysRgn GetOriginAdjustedClip() const;

 // ----- Accessors -----
 
 virtual SysPort GetSysPort() const;
 
 virtual IViewPort* GetViewPort() const;
 virtual const PMMatrix& GetContentToViewTransform() const;
 virtual const PMMatrix& GetViewToContentTransform() const;
 virtual IControlView* GetView() const;

 bool16 IsCurrent() const;

 virtual dvaui::drawbot::Drawbot* GetDrawbot() const;

private:
 PMMatrix fToWindowMatrix;
 PMMatrix fFromWindowMatrix;
 PMMatrix fOldTransform;
 
 IViewPort* fViewPort;
 IControlView* fView;

 SysRgn fClipRgnInWinCoords;
};

#endif