1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors: Juha Kauppinen, Mika Hokkanen

    13 * 

    14 * Description: Photo Browser

    15 *

    16 */

    17 

    18 #ifndef __IEBITMAPLOADER_H__

    19 #define __IEBITMAPLOADER_H__

    20 

    21 // Include files

    22 #include <f32file.h>

    23 #include <FBS.H>

    24 #include <ImageConversion.h>

    25 

    26 #include <IEEngine.h>

    27 #include "IEFileLoader.h"

    28 //#include "IEEngineImp.h"

    29 #include <iclexifimageframe.h>

    30 //#include <oommonitorsession.h>

    31 

    32 #define DECODE_FROM_BUFFER

    33 

    34 // Forward class declaration

    35 class CIEFileLoader;

    36 class CIEEngineUtils;

    37 

    38 class MBitmapLoaderObserver

    39 {

    40 public:

    41 	virtual void BitmapsLoadedL(TInt aError) = 0;

    42 	virtual CIEFileLoader* GetFileLoader() = 0;

    43 	virtual TInt GetGleMaxRes() = 0;

    44 };

    45 

    46 // Class declaration

    47 class CIEBitmapLoader : public CActive

    48 {

    49 public:

    50 	static CIEBitmapLoader* NewL(RFs& aFileServer, MBitmapLoaderObserver& aBitmapLoaderObserver, RCriticalSection* aCritical);

    51 	~CIEBitmapLoader();

    52 private:

    53 	void ConstructL();

    54 	CIEBitmapLoader(RFs& aFileServer, MBitmapLoaderObserver& aBitmapLoaderObserver, RCriticalSection* aCritical);

    55 	

    56 public: // From CActive

    57 	void RunL();

    58 	void DoCancel();

    59 	TInt RunError(TInt aError);

    60 	

    61 public:

    62 	void CIEBitmapLoader::LoadBitmapsL(TInt aIndex, TThumbSize aThumbRes);

    63 	void GetOneBitmapL(CImageData* aImageData, CFbsBitmap* aBitmap, TThumbSize aThumbRes);

    64 	void CancelFullSizeLoading();

    65 	void SetImageDataMode(TImageArrayMode aMode);

    66 		

    67 private:

    68 	void TargetDecodingSize(TSize aTgtSize, TSize& aSrcSize);

    69 	//TPtr8 LoadImageIntoMemoryLC(const TDesC& aFileName);

    70 	void CropImageL(CFbsBitmap* aOutput, CFbsBitmap* aInput) const;

    71 

    72 	

    73 private: //Data

    74 	RFs&                   iFileServer;

    75 	MBitmapLoaderObserver& iBitmapLoaderObserver;

    76 	CImageDecoder*         iImageDecoder;

    77 	CJPEGExifDecoder*      iExifDecoder;

    78 	RCriticalSection*      iCritical;

    79 	TImageArrayMode        iImageArrayMode;

    80 	CImageData*            iImageData;

    81 	TBool                  iUseExifTn;

    82 	HBufC8*                iExifTn;

    83     CFbsBitmap*            iExifBitmap;

    84     CFbsBitmap*            iOutputBitmap;

    85     TUid                   decoderUid;

    86     TThumbSize             iThumbRes;

    87 #ifdef DECODE_FROM_BUFFER

    88     HBufC8*                iSourceData;

    89 #endif

    90 };

    91 

    92 

    93 #endif // __IEBITMAPLOADER_H__