examples/sfexamples/GfxWorkbench/inc/CGfxDirectScreenBitmap.h

/*
Copyright (c) 2002-2011 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

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modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of Nokia Corporation nor the names of its contributors
  may be used to endorse or promote products derived from this software
  without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Description:  
*/ 
#ifndef CGfxDirectScreenBitmap_H_
#define CGfxDirectScreenBitmap_H_

#include <e32base.h>
#include <w32std.h>

class CDirectScreenBitmap;


class CGfxDirectScreenBitmap :  public CActive, public MDirectScreenAccess
        {
public:
        CGfxDirectScreenBitmap(RWsSession& aClient, 
                RWindow& aWindow);
        
        virtual ~CGfxDirectScreenBitmap();
        
           // Implement MDirectScreenAccess
    void Restart(RDirectScreenAccess::TTerminationReasons aReason);
    void AbortNow(RDirectScreenAccess::TTerminationReasons aReason);

public:
    void StartL(TRect& aRect);
    void StopL();
    void ConstructL();
    TAcceleratedBitmapInfo BeginDraw();
    void EndDraw();
    void ProcessFrame(); 
    
private:
    // Implement CTimer
    void RunL();
    void DoCancel();

    
private:
        // Window server handling
        RWsSession& iClient;
        RWindow& iWindow;
        
        // DSA objects
        CDirectScreenAccess* iDirectScreenAccess;
        CFbsBitGc* iGc;
        RRegion* iRegion;
        CDirectScreenBitmap* iDSBitmap;
        TInt iFrameCounter;
        TRect iControlScreenRect;

        };

#endif /*CGfxDirectScreenBitmap_H_*/

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