--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EngSrc/IEImageDecoder.cpp	Fri Oct 15 10:18:29 2010 +0900
@@ -0,0 +1,214 @@
+/*
+* 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: Juha Kauppinen, Mika Hokkanen
+* 
+* Description: Photo Browser
+*
+*/
+
+// Include files
+#include "IEImageDecoder.h"
+
+
+// ========================== MEMBER FUNCTIONS ============================= //
+
+CIEImageDecoder* CIEImageDecoder::NewL(RFs& aFileServer, MDecodingObserver& aObserver)
+{
+	CIEImageDecoder* self = new (ELeave) CIEImageDecoder(aFileServer, aObserver);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop();
+	return self;
+}
+
+CIEImageDecoder::~CIEImageDecoder()
+{
+	if(iImageDecoder)
+	{
+		delete iImageDecoder;
+		iImageDecoder = NULL;
+	}
+	
+	if(iExtImageDecoder)
+	{
+		delete iExtImageDecoder;
+		iExtImageDecoder = NULL;
+	}
+	
+	if(iVisualFrame)
+	{
+		delete iVisualFrame;
+		iVisualFrame = NULL;
+	}
+}
+
+//EPriorityIdle, EPriorityLow, EPriorityStandard, EPriorityUserInput, EPriorityHigh
+CIEImageDecoder::CIEImageDecoder(RFs& aFileServer, MDecodingObserver& aObserver)
+: CActive(EPriorityStandard), iFileServer(aFileServer), iObserver(aObserver), iSrcPtr(NULL, 0, 0)
+{	
+}
+
+void CIEImageDecoder::ConstructL()
+{
+	CActiveScheduler::Add(this);
+	
+	iDecoderBusy = EFalse;
+	iDecode2Yuv = EFalse;
+	iDecode2Bitmap = EFalse;
+	
+	iNumOfBitmaps = 0;
+}
+
+void CIEImageDecoder::RunL()
+{
+	TPtr8 ptr = iVisualFrame->DataPtrL();
+	TInt dataSize = ptr.Size(); 
+	TUint8* bufU = (TUint8*) ptr.Ptr();
+
+	if(iDecode2Yuv)
+	{
+		iDecode2Yuv = EFalse;
+		//iObserver.YuvImageReadyL(iStatus.Int());
+	}
+		
+	if(iDecode2Bitmap)
+	{
+		iDecode2Bitmap = EFalse;
+		iObserver.BitmapReadyL(iStatus.Int());
+	}		
+	
+	iDecoderBusy = EFalse;	
+}
+
+void CIEImageDecoder::DoCancel()
+{
+	
+}
+
+void CIEImageDecoder::GetImageSizeL(const TFileName aFileName, TSize& aSize)
+{
+	if(iImageDecoder)
+	{
+		delete iImageDecoder;
+		iImageDecoder = NULL;
+	}
+	
+	iImageDecoder = CImageDecoder::FileNewL(iFileServer, aFileName);
+	TFrameInfo frameInfo = iImageDecoder->FrameInfo();
+	
+	aSize.iWidth = frameInfo.iOverallSizeInPixels.iWidth;
+	aSize.iHeight = frameInfo.iOverallSizeInPixels.iHeight;
+	
+	delete iImageDecoder;
+	iImageDecoder = NULL;	
+}
+
+void CIEImageDecoder::ConvertJpeg2YuvL(const TDesC& aSourceFile, 
+								HBufC8& aBuffer, 
+								const TImageForamt /*aImageFormat*/)
+{
+	TInt fileSize = 0;
+	TInt blocks = 0;
+	
+	iDecoderBusy = ETrue;
+	iDecode2Yuv = ETrue;
+	
+	if(iExtImageDecoder)
+	{
+		delete iExtImageDecoder;
+		iExtImageDecoder = NULL;
+	}
+	
+	iExtImageDecoder = CExtJpegDecoder::FileNewL(iFileServer, aSourceFile);
+	
+	TFrameInfo frameInfo = iExtImageDecoder->FrameInfo();
+	
+	TInt width = frameInfo.iOverallSizeInPixels.iWidth;
+	TInt height = frameInfo.iOverallSizeInPixels.iHeight;
+
+	/*if(width%2 != 0)
+	    width++;
+    if(height%2 != 0)
+        height++;*/
+	        
+	TPtr8 bufPtr = aBuffer.Des();
+	
+	iBufU = (TUint8*)bufPtr.Ptr();
+	
+	if(iVisualFrame)
+	{
+		delete iVisualFrame;
+		iVisualFrame = NULL;
+	}
+	
+	iVisualFrame = CVisualFrame::NewL(bufPtr, 
+											TSize(width, height), 
+											CVisualFrame::EFormatYUV420Planar);
+	
+	
+	iExtImageDecoder->ConvertL(&iStatus, iVisualFrame, blocks);
+	
+	if(!IsActive())
+		SetActive();
+}
+
+
+void CIEImageDecoder::ConvertJpeg2BitmapL(CFbsBitmap& aDestBitmap, TDesC8& aSourceData)
+{
+	TInt frameNumber = 0;
+	
+	iDecoderBusy = ETrue;
+	iDecode2Bitmap = ETrue;
+	
+	TInt dataSize = aSourceData.Size();
+	
+	iSrcPtr.Set((TUint8*)aSourceData.Ptr(), aSourceData.Size(), aSourceData.Size());
+	
+	if(iImageDecoder)
+	{
+		delete iImageDecoder;
+		iImageDecoder = NULL;
+	}
+	
+	iImageDecoder = CImageDecoder::DataNewL(iFileServer, iSrcPtr);
+	
+	iImageDecoder->Convert(&iStatus, aDestBitmap, frameNumber);
+	
+	iNumOfBitmaps++;
+	
+	if(!IsActive())
+		SetActive();
+}
+
+
+TPtr8 CIEImageDecoder::GetVisualFrame()
+{
+	return iVisualFrame->DataPtrL();	 
+}
+
+void CIEImageDecoder::CancelDecoding()
+{
+	if(iDecoderBusy)
+	{
+		if(iImageDecoder)
+			iImageDecoder->Cancel();
+	
+		if(iExtImageDecoder)
+			iExtImageDecoder->Cancel();
+	}
+		
+	if(IsActive())
+		Cancel();	
+}
+
+
+// EOF