vtengines/videoteleng/Inc/Media/CVtEngDrawDSA.h
changeset 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Inc/Media/CVtEngDrawDSA.h	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,189 @@
+/*
+* Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Remote video handling class.
+*
+*/
+
+
+
+#ifndef CVTENGDRAWDSA_H
+#define CVTENGDRAWDSA_H
+
+//  INCLUDES
+
+#include "CVtEngRemoteVideo.h"
+#include "TVtEngRenderConfigDSA.h"
+
+// FORWARDS
+
+class TDisplaySinkParamsDSA;
+
+/**
+*  Direct Screen Access drawer
+*
+*  @lib videoteleng.lib
+*  @since Series 60 3.2
+*/
+NONSHARABLE_CLASS( CVtEngDrawDSA ) : public CVtEngRemoteVideo::CVtEngDraw,
+    public MVtEngScalerObserver
+    {
+    public: // constructor and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aObserver call back interface to Display Sink
+        * @return instance of CVtEngDrawDSA
+        */
+        static CVtEngDrawDSA* NewL( MDisplaySinkObserver* aObserver );
+
+        // Destructor
+        ~CVtEngDrawDSA();
+
+    private: // construction
+
+        /**
+        * C++ constructor as private.
+        * @param aObserver callback interface for Display Sink
+        */
+        CVtEngDrawDSA( MDisplaySinkObserver* aObserver );
+
+    private: // from CVtEngDraw
+
+        /**
+        * @see CVtEngDraw::BaseConstructL
+        */
+        void BaseConstructL();
+
+        /**
+        * @see CVtEngDraw::CreateSinkL
+        */
+        MDisplaySink* CreateSinkL();
+
+        /**
+        * @see CVtEngDraw::BaseRefreshL
+        */
+        void BaseRefreshL();
+
+        /**
+        * @see CVtEngDraw::BaseRefreshBitmapsL
+        */
+        void BaseRefreshBitmapsL();
+
+        /**
+        * @see CVtEngDraw::BaseDoCancel
+        */
+        void BaseDoCancel();
+
+        /**
+        * @see CVtEngDraw::BaseVerifyConfigL
+        */
+        void BaseVerifyConfigL();
+
+        /**
+        * @see CVtEngDraw::BaseRestartL
+        */
+        void BaseRestartL();
+
+        /**
+        * @see CVtEngDraw::BaseAbortNow
+        */
+        void BaseAbortNow();
+
+        /**
+        * @see CVtEngDraw::BaseStartDrawL
+        */
+        void BaseStartDrawL();
+
+        /**
+        * @see CVtEngDraw::BaseStopDraw
+        */
+        void BaseStopDraw();
+
+        /**
+        * @see CVtEngDraw::BaseSetConfigL
+        */
+        void BaseSetConfigL( const TVtEngRenderConfig& aConfig );
+
+        /**
+        * @see CVtEngDraw::BaseSetUIForegroundL
+        */
+        void BaseSetUIForegroundL( TBool aForeground );
+
+        /**
+        * @see CVtEngDraw::BaseVideoFrameSizeChangedL
+        */
+        void BaseVideoFrameSizeChangedL( const TSize& );
+
+        /**
+        * @see CVtEngDraw::BaseRequestLastFrame
+        */        
+        void BaseRequestLastFrame();
+        
+        /**
+        * @see CVtEngDraw::Config
+        */
+        TVtEngRenderConfig& Config();
+
+    private: // from CActive
+
+        /**
+        * Handles prepared bitmap from display sink.
+        * @see CActive::RunL
+        */
+        void RunL();
+
+     public: // from MVtEngScalerObserver
+
+        /**
+        * From MVtEngScalerObserver, this method is called when
+        * scaling is finished.
+        * @see MVtEngScalerObserver::ScalingCompleted
+        */
+        virtual void ScalingCompleted(
+            CFbsBitmap* aBitmap, TInt aError );
+
+    private: // New functions
+
+        /**
+        * Does the drawing.
+        * @param aBitmap a bitmap to draw
+        */
+        void DrawBitmap( CFbsBitmap& aBitmap );
+
+        /**
+        * Fills TDisplaySinkParamsDSA struct
+        */
+        void GetSinkParams( TDisplaySinkParamsDSA& aSinkParams );
+
+    private: // data
+
+        // Bitmapts for remote video (double buffering).
+        CFbsBitmap*          iBitmap1;
+        CFbsBitmap*          iBitmap2;
+
+        // Bitmap indexes indicating which.
+        // bitmap was provided.
+        MDisplaySink::TBitmapNo iBitmapNo;
+
+        // If a bitmap has been set available.
+        TBool                iBitmapSetAvail;
+
+        // VT image scaler
+        MVtEngImageScaler*   iImageScaler;
+
+        // DSA configuration
+        TVtEngRenderConfigDSA iConfig;
+    };
+
+#endif // CVTENGDRAWDSA_H
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