btobexprofiles/obexsendservices/obexservicesendutils/src/BTSUImageConverter.cpp
branchRCL_3
changeset 23 9386f31cc85b
parent 22 613943a21004
child 24 269724087bed
--- a/btobexprofiles/obexsendservices/obexservicesendutils/src/BTSUImageConverter.cpp	Tue Aug 31 15:25:10 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,349 +0,0 @@
-/*
-* Copyright (c) 2002 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:  Tools for image conversion.
-*
-*/
-
-
-// INCLUDE FILES
-#include "BTServiceUtils.h"
-#include "BTSUImageConverter.h"
-#include "BTSUDebug.h"
-
-#include <imageconversion.h>
-#include <bitmaptransforms.h>
-
-//CONSTANTS
-_LIT8( KBTSUImageTypeJpeg, "image/jpeg" );
-const TInt KBTSUJpegQualityFactor = 90;
-const TInt KBTSUImageThumbWidth   = 160;  
-const TInt KBTSUImageThumbHeight  = 120;
-
-
-// ============================ MEMBER FUNCTIONS ===============================
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::CBTSUImageConverter
-// Constructor.
-// -----------------------------------------------------------------------------
-//
-CBTSUImageConverter::CBTSUImageConverter(): CActive( EPriorityStandard )
-    {
-    CActiveScheduler::Add( this );
-    }
-
-// -----------------------------------------------------------------------------
-// Destructor
-// -----------------------------------------------------------------------------
-//
-CBTSUImageConverter::~CBTSUImageConverter()
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::~CBTSUImageConverter()"));
-
-    Cancel();
-    Reset();
-    iFileSession.Close();
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::~CBTSUImageConverter() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::NewL
-// Two-phased constructor.
-// -----------------------------------------------------------------------------
-//
-CBTSUImageConverter* CBTSUImageConverter::NewL()
-    {
-    CBTSUImageConverter* self = new (ELeave) CBTSUImageConverter;
-    CleanupStack::PushL( self );
-    self->ConstructL();
-    CleanupStack::Pop();
-    return self;
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::ConstructL
-// Symbian 2nd phase constructor.
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::ConstructL()
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::ConstructL()"));
- 
-    User::LeaveIfError( iFileSession.Connect() );
-    iFileSession.ShareProtected();
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::ConstructL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::GetImageSizeL
-// -----------------------------------------------------------------------------
-//
-TSize CBTSUImageConverter::GetImageSizeL( RFile& aImageFile )
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::GetImageSizeL()"));
-   
-    CImageDecoder* decoder = CImageDecoder::FileNewL(aImageFile,ContentAccess::EPeek );
-    TSize size = decoder->FrameInfo().iOverallSizeInPixels;
-    delete decoder;
-
-    FTRACE(FPrint(_L("[BTSU]\t CBTSUImageConverter::GetImageSizeL() completed w=%d h=%d"), size.iWidth, size.iHeight ));
-
-    return size;
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::CreateThumbnailL
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::CreateThumbnailL( RFile& aSourceFile, 
-                                            const TDesC& aDestFile )
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::CreateThumbnailL()"));
-    
-
-    Reset();
-    DecodeImageL( aSourceFile );
-    ScaleImageL();
-    EncodeImageL( aDestFile, ETrue );
-    Reset();
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::CreateThumbnailL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::GetDisplayNameL
-// -----------------------------------------------------------------------------
-//
-HBufC* CBTSUImageConverter::GetDisplayNameL( const TDesC8& aMimeType )
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::GetDisplayNameL()"));
-
-    if ( &aMimeType == NULL || 
-         aMimeType.Length() == 0 || 
-         aMimeType.Length() > KMaxFileName )
-        {
-        User::Leave( KErrArgument );
-        }
-
-    HBufC* name = NULL;
-
-    // Get file types from decoder
-    //
-    RFileExtensionMIMETypeArray fileTypes;
-    CleanupResetAndDestroyPushL( fileTypes );
-    CImageDecoder::GetFileTypesL( fileTypes );
-    
-    // Find the display name for the mime type
-    //
-    for( TInt index = 0; index < fileTypes.Count(); index++ )
-        {
-        if ( fileTypes[index]->MIMEType() == aMimeType )
-            {
-            name = fileTypes[index]->DisplayName().AllocL();
-            break;
-            }
-        }
-
-    CleanupStack::PopAndDestroy(); // fileTypes 
-
-    if ( name == NULL )
-        {
-        // No display name found, so the image type is not supported.
-        //
-        User::Leave( KErrNotSupported );
-        }
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::GetDisplayNameL() completed"));
-
-    return name;
-    }
-
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::DoCancel
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::DoCancel()
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::DoCancel()"));
-
-    if ( iDecoder )
-        {
-        iDecoder->Cancel();
-        }
-    if ( iScaler )
-        {
-        iScaler->Cancel();
-        }
-    if ( iEncoder )
-        {
-        iEncoder->Cancel();
-        }
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::DoCancel() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::RunL
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::RunL()
-    {
-    FTRACE(FPrint(_L("[BTSU]\t CBTSUImageConverter::RunL() %d"), iStatus.Int() ));
-
-    iWait.AsyncStop();
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::RunL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::DecodeImageL
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::DecodeImageL( RFile& aSourceFile )
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::DecodeImageL( )"));
-
-    __ASSERT_DEBUG( iDecoder == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-    __ASSERT_DEBUG( iFrameBitmap == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-
-    // Create decoder
-    //    
-    iDecoder = CImageDecoder::FileNewL(aSourceFile, ContentAccess::EPeek );
-
-    // Create a bitmap
-    //
-    iFrameBitmap = new ( ELeave ) CFbsBitmap;
-    User::LeaveIfError( iFrameBitmap->Create( 
-        iDecoder->FrameInfo().iOverallSizeInPixels,
-        iDecoder->FrameInfo().iFrameDisplayMode ) );
-    
-    // Start decoding
-    //
-    iDecoder->Convert( &iStatus, *iFrameBitmap );
-    SetActive();
-
-    iWait.Start(); // Wait here until decoding is completed
-    User::LeaveIfError( iStatus.Int() );
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::DecodeImageL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::EncodeImageL
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::EncodeImageL( const TDesC& aDestFile, 
-                                        const TBool& aThumbnail )
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::EncodeImageL()"));
-
-    __ASSERT_DEBUG( iDecoder != NULL, BTSUPanic( EBTSUPanicNullPointer ) );
-    __ASSERT_DEBUG( iEncoder == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-    __ASSERT_DEBUG( iFrameImageData == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-
-    // Create encoder
-    //
-    iEncoder = CImageEncoder::FileNewL( iFileSession, aDestFile, KBTSUImageTypeJpeg() );
-
-    // Create frame image data
-    //
-    iFrameImageData = CFrameImageData::NewL();
-    TJpegImageData* jpegFormat = new ( ELeave ) TJpegImageData;
-    CleanupStack::PushL( jpegFormat );
-
-    jpegFormat->iSampleScheme = TJpegImageData::EColor422;
-    jpegFormat->iQualityFactor = KBTSUJpegQualityFactor;
-    User::LeaveIfError( iFrameImageData->AppendImageData( jpegFormat ) );
-    CleanupStack::Pop( jpegFormat );
-
-    // Start encoding
-    //
-    if ( aThumbnail )
-        {
-        __ASSERT_DEBUG( iScaledBitmap != NULL, BTSUPanic( EBTSUPanicNullPointer ) );
-        iEncoder->Convert( &iStatus, *iScaledBitmap, iFrameImageData );
-        }
-    else
-        {
-        __ASSERT_DEBUG( iFrameBitmap != NULL, BTSUPanic( EBTSUPanicNullPointer ) );
-        iEncoder->Convert( &iStatus, *iFrameBitmap, iFrameImageData );
-        }
-    
-    SetActive();
-    iWait.Start(); // Wait here until encoding is completed
-    User::LeaveIfError( iStatus.Int() );
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::EncodeImageL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::ScaleImageL
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::ScaleImageL()
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::ScaleImageL( )"));
-
-    __ASSERT_DEBUG( iDecoder != NULL, BTSUPanic( EBTSUPanicNullPointer ) );
-    __ASSERT_DEBUG( iFrameBitmap != NULL, BTSUPanic( EBTSUPanicNullPointer ) );
-    __ASSERT_DEBUG( iScaler == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-    __ASSERT_DEBUG( iScaledBitmap == NULL, BTSUPanic( EBTSUPanicExistingObject ) );
-
-    // Create scaler
-    //
-    iScaler = CBitmapScaler::NewL();
-
-    // Create a bitmap
-    //
-    iScaledBitmap = new ( ELeave ) CFbsBitmap;
-    TSize size;
-    size.iWidth = KBTSUImageThumbWidth;
-    size.iHeight = KBTSUImageThumbHeight;
-    User::LeaveIfError( iScaledBitmap->Create( size,
-        iDecoder->FrameInfo().iFrameDisplayMode ) );
-    
-    // Start scaling
-    //
-    iScaler->Scale( &iStatus, *iFrameBitmap, *iScaledBitmap, EFalse );
-    SetActive();
-
-    iWait.Start(); // Wait here until scaling is completed
-    User::LeaveIfError( iStatus.Int() );
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::ScaleImageL() completed"));
-    }
-
-// -----------------------------------------------------------------------------
-// CBTSUImageConverter::Reset
-// -----------------------------------------------------------------------------
-//
-void CBTSUImageConverter::Reset()
-    {
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::Reset()"));
-
-    delete iDecoder; iDecoder = NULL;
-    delete iEncoder; iEncoder = NULL;
-    delete iScaler; iScaler = NULL;
-    
-    delete iFrameImageData; iFrameImageData = NULL;
-    delete iFrameBitmap; iFrameBitmap = NULL;
-    delete iScaledBitmap; iScaledBitmap = NULL;
-
-    FLOG(_L("[BTSU]\t CBTSUImageConverter::Reset() completed"));
-    }
-
-//  End of File