--- a/activityfw/tsutils/inc/tsgraphicfilescalinghandler.h Wed Aug 18 10:39:24 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2009 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 :
- *
- */
-#ifndef TSGRAPHICFILESCALINGHANDLER_H
-#define TSGRAPHICFILESCALINGHANDLER_H
-
-#ifndef __E32SVR_H__
-#define __E32SVR_H__
-#endif
-
-
-#ifndef SYMBIAN_ENABLE_PUBLIC_PLATFORM_HEADER_SPLIT
-#define SYMBIAN_ENABLE_PUBLIC_PLATFORM_HEADER_SPLIT
-#endif
-
-#include <bitmaptransforms.h>
-
-class CImageDecoder;
-class CFbsBitmap;
-
-/**
- * Interface to observer contain
- * ImageReadyCallBack function return error code and scaled/resized bitmap.
- */
-class MImageReadyCallBack
-{
-public:
- virtual void ImageReadyCallBack(TInt error, const CFbsBitmap *bitmap) = 0;
-};
-
-/**
- * Class to scaling graphic file/s.
- */
-class CTsGraphicFileScalingHandler : public CActive
-{
-public:
- /**
- * Kind of graphic file scaling.
- * EIgnoreAspectRatio - the file is scaled to size, aspect ratio isn't preserving.
- * EKeepAspectRatio - the file is scaled to a rectangle as large as possible inside size
- * preserving the aspect ratio.
- * EKeepAspectRatioByExpanding - the file is scaled to a rectangle as small as possible outside size
- * preserving the aspect ratio.
- */
- enum TKindOfScaling
- {
- EIgnoreAspectRatio = 0,
- EKeepAspectRatio = 1,
- EKeepAspectRatioByExpanding = 2,
- };
-
-private:
- /**
- * Active object current operation.
- */
- enum TCurrentOperation{
- ENone = 0,
- EConvertBitmapFromFile = 1,
- EScale = 2
- };
-
-public:
- /**
- * Destructor.
- */
- IMPORT_C ~CTsGraphicFileScalingHandler();
-
- /**
- * All constructors initialise active object asynchronous operation
- * by calling ConstructL function.
- * 1st group - decoding and scaling.
- * 2nd group - scaling.
- */
-
- /**
- * 1st group.
- * Exported from dll constructors for activation graphic file scaling.
- * aNotify - reference to observer implementation.
- * aFs - reference to file server session.
- * aFileName - path to graphic file.
- * aMimeType - mime type of graphic file.
- * aNewSize - new size of output graphic file.
- * aKindOfScaling - kind of graphic file scaling described above.
- */
- IMPORT_C static CTsGraphicFileScalingHandler* NewL(MImageReadyCallBack &aNotify,
- RFs &aFs,
- const TDesC &aFileName,
- const TDesC8& aMimeType,
- const TSize &aNewSize,
- TKindOfScaling aKindOfScaling = CTsGraphicFileScalingHandler::EIgnoreAspectRatio);
- IMPORT_C static CTsGraphicFileScalingHandler* NewLC(MImageReadyCallBack &aNotify,
- RFs &aFs,
- const TDesC &aFileName,
- const TDesC8& aMimeType,
- const TSize &aNewSize,
- TKindOfScaling aKindOfScaling = CTsGraphicFileScalingHandler::EIgnoreAspectRatio);
-
- /**
- * 2nd group.
- * Exported from dll constructors for activation graphic file scaling.
- * aNotify - reference to observer implementation.
- * aImputFbsBitmap - reference to pattern CFbsBitmap.
- * aNewSize - new size of output graphic file.
- * aKindOfScaling - kind of graphic file scaling described above.
- */
- IMPORT_C static CTsGraphicFileScalingHandler* NewL(MImageReadyCallBack &aNotify,
- const CFbsBitmap &aImputFbsBitmap,
- const TSize &aNewSize,
- TKindOfScaling aKindOfScaling = CTsGraphicFileScalingHandler::EIgnoreAspectRatio);
- IMPORT_C static CTsGraphicFileScalingHandler* NewLC(MImageReadyCallBack &aNotify,
- const CFbsBitmap &aImputFbsBitmap,
- const TSize &aNewSize,
- TKindOfScaling aKindOfScaling = CTsGraphicFileScalingHandler::EIgnoreAspectRatio);
-
-protected:
- /**
- * Cancels the wait for completion of an outstanding request.
- */
- void DoCancel();
- /**
- * Handles an active object’s request completion event.
- */
- void RunL();
- /**
- * Handles a leave occurring in the request completion event handler RunL().
- */
- TInt RunError(TInt);
-
-private:
- /**
- * Functions construct active objest instance and made asynchronous operation/s.
- * Parameters - the same meaning as in appropriate NewL/NewLC functions.
- */
- void ConstructL(RFs &aFs, const TDesC &aFileName, const TDesC8& aMimeType);
- void ConstructL(const CFbsBitmap &aImputFbsBitmap);
- /**
- * Private constructor.
- * Parameters - the same meaning as in appropriate NewL/NewLC functions.
- */
- CTsGraphicFileScalingHandler(MImageReadyCallBack &aNotify,
- const TSize &aNewSize,
- TKindOfScaling aKindOfScaling = CTsGraphicFileScalingHandler::EIgnoreAspectRatio);
- /**
- * Action to made before decoding graphic file operation.
- * Parameters - the same meaning as in appropriate NewL/NewLC functions.
- */
- void DecodingOperationL(RFs &aFs, const TDesC &aFileName, const TDesC8& aMimeType);
- /**
- * Action to made before scaling graphic file operation.
- */
- void ScalingOperationL();
- /**
- * Algorithm to determine output bitmap (returned in ImageReadyCallBack) size
- * after scaling operation.
- */
- TSize NewSizeToScalingOperation();
- /**
- * Fix for TDisplayMode == EColor16MAP not supported by scaling operation!
- * ! ! ! ADD OTHER NOT SUPPORTED DISPLAY MODES ! ! !
- */
- void FixForDisplayModeNotSupportedByScalingOperation();
-
-private:
- /**
- * Reference to observer implementation - return error code and output bitmap.
- */
- MImageReadyCallBack &mNotify;
- /**
- * Pointer to decoder used by decoding graphic file algorithm.
- */
- CImageDecoder *mImageDecoder;
- /**
- * Pointer to input bitmap - before decoding/scaling operation/s.
- */
- CFbsBitmap *mInputBitmap;
- /**
- * Pointer to output bitmap - returned in mNotify object.
- */
- CFbsBitmap *mOutputBitmap;
- /**
- * Pointer to CBitmapScaler calss used by scaling graphic file algorithm.
- */
- CBitmapScaler *mBitmapScaler;
- /**
- * New size of output graphic file.
- */
- TSize mNewSize;
- /**
- * Kind of graphic file scaling described above.
- */
- TBool mKindOfScaling;
- /**
- * Active object current operation.
- */
- TCurrentOperation mCurrentOperation;
-};
-
-#endif // TSGRAPHICFILESCALINGHANDLER_H