vtprotocolplugins/DisplaySink/inc/cvtimagerotator.h
changeset 18 d9b6a8729acd
parent 4 6dc066157ed4
child 23 c378a0498b84
child 27 dcbddbbaf8fd
--- a/vtprotocolplugins/DisplaySink/inc/cvtimagerotator.h	Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,245 +0,0 @@
-/*
-* Copyright (c) 2004 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:    Image Transforms subsystem.
-*
-*/
-
-
-
-
-
-#ifndef CVTIMAGEROTATOR_H
-#define CVTIMAGEROTATOR_H
-
-// INCLUDE FILES
-
-#include <e32base.h>
-
-// FORWARD DECLARATIONS
-
-class CVtImage;
-class CFbsBitmap;
-class CVtImageRotatorImpl;
-
-// CLASS DECLARATIONS
-
-/**
-*  Image rotator observer interface.
-*
-*  @lib videosource.lib
-*/
-class MVtImageRotatorObserver
-    {
-    public:
-        /**
-        * Callback method that is called by CVtImageRotator when rotation
-        * process has been finished.
-        * @param "aError" KErrNone if the rotation was done successfully, one
-        * of the system wide error codes otherwise.
-        * @return Pointer to newly created instance.
-        */
-        virtual void RotationFinished( TInt aError ) = 0;
-    };
-
-/**
-*  Image rotator.
-*
-*  @lib videosource.lib
-*/
-class CVtImageRotator : public CActive
-    {
-    public:
-        /**
-        * An enumeration within the CVtImageRotator namespace.
-        * It provides a set of panic codes that may happen during
-        * rotation process.
-        */
-        enum TPanics
-            {
-            /**
-            * RotateL() is called while previous rotation process
-            * has not yet been finished.
-            */
-            EBusy = 1
-            };
-
-        /**
-        * An enumeration within the CVtImageRotator namespace.
-        * It provides a set of supported rotation and mirror angles.
-        */
-        enum TRotationAngle
-            {
-            /**
-            * Uninitialized place holder. Giving this rotation angle
-            * to RotateL() will make RotateL() leave with error code
-            * KErrNotSupported.
-            */
-            ERotationNone = -1,
-
-            /**
-            * Rotates image 90 degrees in a clockwise direction.
-            */
-            E90DegreesClockwise,
-
-            /**
-            * Rotates image 180 degrees in a clockwise direction.
-            * (flip & mirror)
-            */
-            E180DegreesClockwise,
-
-            /**
-            * Rotates image 270 degrees in a clockwise direction.
-            */
-            E270DegreesClockwise,
-
-            /**
-            * Mirrors the bitmap around the horizontal axis.
-            */
-            EMirrorHorizontalAxis,
-
-            /**
-            * Flips the image around the vertical axis.
-            */
-            EFlipVerticalAxis,
-            };
-
-    public:
-
-        /**
-        * Creates new instance of CVtImageRotator.
-        * @param "aObserver" Reference to instance observer.
-        * @param "aPriority" Active object priority.
-        * @exception In error situation leaves with one of the system wide
-        * error codes.
-        * @return Pointer to newly created instance.
-        */
-        IMPORT_C static CVtImageRotator* NewL(
-            MVtImageRotatorObserver& aObserver,
-            TPriority aPriority = EPriorityLow );
-
-        /**
-        * C++ destructor.
-        */
-        IMPORT_C ~CVtImageRotator();
-
-        /**
-        * Rotates image to given angle.
-        * @param "aSource" Source image that will be rotated.
-        * @param "aTarget" Target image that will hold the rotated image.
-        * @param "aAngle" Rotation angle.
-        * @exception In error situation leaves with one of the system wide
-        * error codes.
-        */
-        IMPORT_C void RotateL( const CVtImage& aSource, CVtImage& aTarget,
-            const TRotationAngle& aAngle );
-
-        /**
-        * Rotates image to given angle. Possible error during initialization is
-        * returned via MVtImageRotatorObserver.
-        * @param "aSource" Source image that will be rotated.
-        * @param "aTarget" Target image that will hold the rotated image.
-        * @param "aAngle" Rotation angle.
-        */
-        IMPORT_C void Rotate( const CVtImage& aSource, CVtImage& aTarget,
-            const TRotationAngle& aAngle );
-
-    private: // internal
-
-        /**
-        * C++ default constructor.
-        */
-        CVtImageRotator();
-
-        /**
-        * C++ constructor.
-        * @param "aObserver" Reference to observer.
-        * @param "aPriority" Active object priority.
-        * @exception In error situation leaves with one of the system wide
-        * error codes.
-        */
-        CVtImageRotator( MVtImageRotatorObserver& aObserver, TPriority aPriority );
-
-        /**
-        * Second phase constructor.
-        * @exception In error situation leaves with one of the system wide
-        * error codes.
-        */
-        void ConstructL();
-
-        /**
-        * Creates new instance of rotator implementation if needed.
-        * @param "aAngle" Used rotation angle.
-        * @exception In error situation leaves with one of the system wide
-        * error codes.
-        */
-        void CreateRotatorL( const TRotationAngle& aAngle );
-
-        /**
-        * Sets iStatus to KRequestPending and calls CActive::SetActive().
-        */
-        void Activate();
-
-        /**
-        * Signals this instance AO with given error code.
-        * @param "aError" Signalling error code.
-        */
-        void Signal( TInt aError );
-
-    private: // from CActive
-
-        /**
-        * This is defined in CActive. Check CActive for description.
-        */
-        void RunL();
-
-        /**
-        * This is defined in CActive. Check CActive for description.
-        */
-        void DoCancel();
-
-        /**
-        * Rotate method called by the CAsyncCallBack.
-        */
-        static TInt StaticRotate( TAny* aPtr );
-
-        /**
-        * Rotate method called by the StaticScale.
-        */
-        void DoRotate();
-
-    private:
-
-        // Scaling observer
-        MVtImageRotatorObserver& iObserver;
-
-        // Bitmap that will be used for locking global bitmap heap
-        CFbsBitmap* iHeapLock; // owned
-
-        // Rotator implementation
-        CVtImageRotatorImpl* iRotatorImpl; // owned
-
-        // Asynccallback instance
-        CAsyncCallBack* iAsyncCallBack; // owned
-
-        // This is set to ETrue in DoCancel() method, and when CAsyncCallBack
-        // gets executed, iCancelled is checked whether scaling should be done
-        // or not.
-        TBool iCancelled;
-    };
-
-#endif // CVTIMAGEROTATOR_H
-
-// End of File
-
-