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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors: Juha Kauppinen, Mika Hokkanen
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*
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* Description: Photo Browser
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*
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*/
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#include <exifmodify.h>
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#include <BAUTILS.H>
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#include "IEEngineUtils.h"
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#include "ImagicConsts.h"
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#include "debug.h"
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#include <exifread.h>
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#include <ExifUtility.h>
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#include <ICLExif.h>
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//#include <iclextjpegapi.h> // For CExtJpegDecoder
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#define KJpegDecIVAUidValue 0x10272C10
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#define KJpegOptUidValue 0x101FF555
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EXPORT_C CIEEngineUtils::CIEEngineUtils(RFs& aFs)
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: iFs(aFs)
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{
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}
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EXPORT_C CIEEngineUtils::~CIEEngineUtils()
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{
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}
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/* Generating IETNFileName with complete path */
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EXPORT_C void CIEEngineUtils::GenerateThumbnailFileName(
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TThumbSize aTNResolution,
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const TDesC& aSavedFileName,
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TDes &aIETNFileName)
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{
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TFileName tmpName;
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TParse parser;
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switch(aTNResolution)
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{
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case ESize512x512:
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{
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parser.Set(aSavedFileName, NULL, NULL);
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tmpName = parser.DriveAndPath();//only path name
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tmpName.Append(K512x512TNFilePath);
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tmpName.Append(parser.NameAndExt());
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tmpName.Append(K512x512Ext);
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aIETNFileName.Copy(tmpName);
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break;
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}
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case ESize128x128:
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{
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parser.Set(aSavedFileName, NULL, NULL);
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tmpName = parser.DriveAndPath();//only path name
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tmpName.Append(K128x128TNFilePath);
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tmpName.Append(parser.NameAndExt());
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tmpName.Append(K128x128Ext);
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aIETNFileName.Copy(tmpName);
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break;
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}
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case ESize32x32:
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{
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parser.Set(aSavedFileName, NULL, NULL);
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tmpName = parser.DriveAndPath();//only path name
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tmpName.Append(K32x32TNFilePath);
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tmpName.Append(parser.NameAndExt());
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tmpName.Append(K32x32Ext);
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aIETNFileName.Copy(tmpName);
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break;
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}
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default:
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ASSERT(0);
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break;
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};
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}
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EXPORT_C void CIEEngineUtils::DeleteThumbnails(TDesC& aFileName, RFs& aFs)
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{
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TThumbSize res[] = { ESize512x512, ESize128x128, ESize32x32 };
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for (TInt i = 0;i < sizeof(res)/ sizeof(TThumbSize);i++)
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{
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TFileName thumbFileName;
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GenerateThumbnailFileName(res[i], aFileName, thumbFileName);
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BaflUtils::DeleteFile(aFs, thumbFileName);
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}
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}
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/*Creating TN Folder */
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EXPORT_C TInt CIEEngineUtils::CreateTNFolder(RFs aFs, const TDesC& aTNPath)
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{
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TInt error = KErrNone;
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if( !BaflUtils::PathExists( aFs, aTNPath ) )
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{
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error = aFs.MkDirAll( aTNPath );
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error = aFs.SetAtt( aTNPath, KEntryAttHidden, NULL );
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}
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return error;
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}
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// Writes face coordinates to Exif data if faces was found
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EXPORT_C TInt CIEEngineUtils::AddFaceCoordinate(const TFileName aFilename, RArray<TRect>& aCordArray)
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{
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DP0_IMAGIC(_L("CIEEngineUtils::AddFaceCoordinate++"));
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// Read first current maker note to new array from given file
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RArray<TRect> newCordArray;
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ReadFaceCoordinatesL(aFilename, newCordArray);
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// Append existing coords to new coords array
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for(TInt i=0; i<newCordArray.Count(); i++)
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{
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aCordArray.Append(newCordArray[i]);
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}
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// Write all coords to file exif data manufactorer note
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WriteFaceCoordinatesL(aFilename, aCordArray);
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newCordArray.Close();
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DP0_IMAGIC(_L("CIEEngineUtils::AddFaceCoordinate--"));
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return KErrNone;
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}
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EXPORT_C HBufC8* CIEEngineUtils::ReadExifMakerNoteL(const TDes &aFileName)
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{
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DP0_IMAGIC(_L("CIEEngineUtils::ReadExifMakerNoteL++"));
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HBufC8* exif = ReadExifHeaderL(iFs, aFileName);
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CleanupStack::PushL( exif );
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CExifRead* exifRead = CExifRead::NewL(exif->Des(), CExifRead::ENoJpeg);
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CleanupStack::PushL( exifRead );
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// Get required data from the Exif image...
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/*TUint32 xRes;
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TUint32 yRes;
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exifRead->GetPixelXDimension(xRes);
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exifRead->GetPixelYDimension(yRes);*/
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HBufC8* makerNote = exifRead->GetMakerNoteL();
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CleanupStack::PushL( makerNote );
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CleanupStack::Pop( makerNote );
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CleanupStack::PopAndDestroy( exifRead );
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CleanupStack::PopAndDestroy( exif );
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DP0_IMAGIC(_L("CIEEngineUtils::ReadExifMakerNoteL--"));
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return makerNote;
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}
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EXPORT_C TInt CIEEngineUtils::RemoveFaceCoordinate(const TFileName a128x128TNFileName, RArray<TRect>& aCordArray)
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{
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DP0_IMAGIC(_L("CIEEngineUtils::RemoveFaceCoordinate++"));
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//Read first current make note
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HBufC8* makerNote = ReadExifMakerNoteL(a128x128TNFileName);
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// Allocate buffer for coords to be removed
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HBufC8* heapComment = HBufC8::NewL(100);
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TPtr8 ptrCoords = heapComment->Des();
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//Copy coords to be removed to descriptor
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for(TInt i=0; i < aCordArray.Count(); i++)
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{
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ptrCoords.AppendNum(aCordArray[i].iTl.iX);
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ptrCoords.Append(' ');
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ptrCoords.AppendNum(aCordArray[i].iTl.iY);
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ptrCoords.Append(' ');
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ptrCoords.AppendNum(aCordArray[i].iBr.iX );
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ptrCoords.Append(' ');
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ptrCoords.AppendNum(aCordArray[i].iBr.iY);
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ptrCoords.Trim();
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}
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//Find coordinates from maker note
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TPtr8 tmpPtr = makerNote->Des();
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TInt res = tmpPtr.Find(ptrCoords);
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if(res == KErrNotFound)
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return res;
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//Remove coordinates from maker note
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TInt l = ptrCoords.Length();
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tmpPtr.Delete(res, ptrCoords.Length()+1);
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//Find number of faces from maker note and update it
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_LIT8(KNumberOfFace, "#");
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res = tmpPtr.Find(KNumberOfFace);
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TLex8 lex(makerNote->Ptr());
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lex.SkipAndMark(res+1);
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TInt faceCount = 0;
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lex.Val(faceCount);
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//Check lenght of number of faces string
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TInt length = 0;
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//TInt aFaceNumber = 1;
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if(faceCount < 10)
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length = 1;
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else
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length = 2;
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HBufC8* numberOfFaces = HBufC8::NewL(length);
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TPtr8 FaceNroPtr = numberOfFaces->Des();
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FaceNroPtr.AppendNum(faceCount-1);
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tmpPtr.Replace(res+1, length, FaceNroPtr);
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//TPtr8 numberOfFaces;
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delete numberOfFaces;
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//numberOfFaces.Copy();
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// 1. Read JPEG image from the file to a buffer...
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RFile file;
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User::LeaveIfError( file.Open( iFs, a128x128TNFileName, EFileWrite ) );
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CleanupClosePushL( file );
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TInt size = 0;
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file.Size(size);
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HBufC8* jpegImage = HBufC8::NewL( size );
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CleanupStack::PushL( jpegImage );
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TPtr8 bufferDes( jpegImage->Des() );
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User::LeaveIfError( file.Read( bufferDes ) );
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CleanupStack::Pop( jpegImage );
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CleanupStack::PopAndDestroy();
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CleanupStack::PushL( jpegImage );
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file.Close();
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// 2. Instantiate Exif modifier in ECreate mode...
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CExifModify* modify = CExifModify::NewL( jpegImage->Des(), CExifModify::EModify );
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CleanupStack::PushL( modify );
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//3. Insert (Set) at least the mandatory Exif data.
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//TInt descSize = 300;
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//HBufC8* heapComment = HBufC8::NewL(descSize);
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TPtr8 ptr = makerNote->Des();
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modify->SetMakerNoteL(ptr);
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//modify->SetMakerNoteL(makerNote->Des());
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// 4. Get the new Exif image...
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// If zero length descriptor is given instead of jpeg->Des(), then only the
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// Exif meta data is returned.
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//HBufC8* newExif = modify->WriteDataL( jpegImage->Des() );
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HBufC8* newExif;
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TRAPD(err, newExif = modify->WriteDataL( jpegImage->Des() ));
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if(err != KErrNone)
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{
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TInt i=0;
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}
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//TPtr8 tmp = newExif->Des();
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User::LeaveIfError( file.Replace( iFs, a128x128TNFileName, EFileWrite ) );
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//Write Exif and jpeg image back to jpeg file
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User::LeaveIfError(file.Write(*newExif));
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// Process the new Exif data
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delete newExif;
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newExif = NULL;
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// 5. Delete the modifier instance...
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CleanupStack::PopAndDestroy( modify );
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CleanupStack::PopAndDestroy( jpegImage );
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file.Close();
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DP0_IMAGIC(_L("CIEEngineUtils::RemoveFaceCoordinate--"));
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return KErrNone;
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}
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EXPORT_C void CIEEngineUtils::WriteFaceCoordinatesL(const TFileName a512x512TNFileName, RArray<TRect>& aCordArray)
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{
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DP1_IMAGIC(_L("CIEEngineUtils::WriteFaceCoordinatesL a512x512TNFileName = %S ++"), &a512x512TNFileName);
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TInt error = KErrNone;
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RFile tnFile;
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TInt size = 0;
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//Check that coords got from IDL makes sense. Eg. not out of image area etc.
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/*TSize tnSize;
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iImageDecoder->GetImageSizeL(iCurrentImageData->iMGTN_320x320_Filename, tnSize);
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TInt brx;
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TInt count = aCordArray.Count();
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TBool removed = EFalse;
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for(TInt i=0; i<count; i++)
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{
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brx = aCordArray[i].iBr.iX;
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brx = aCordArray[i].iBr.iY;
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brx = aCordArray[i].iTl.iX;
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brx = aCordArray[i].iTl.iY;
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if(aCordArray[i].iTl.iX >= aCordArray[i].iBr.iX || aCordArray[i].iTl.iY >= aCordArray[i].iBr.iY)
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{
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aCordArray.Remove(i);
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removed = ETrue;
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}
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if(removed)
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count = aCordArray.Count();
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}
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*/
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User::LeaveIfError(tnFile.Open(iFs, a512x512TNFileName, EFileRead));
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tnFile.Size(size);
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if(size <= 0) User::Leave(KErrUnderflow); // May be more meaningful error code shud be returned
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HBufC8* imageData = HBufC8::NewL(size);
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CleanupStack::PushL(imageData);
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TPtr8 imageDataPtr = imageData->Des();
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User::LeaveIfError(tnFile.Read(imageDataPtr));
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tnFile.Close();
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// Create the exifmodifier instance
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CExifModify* exifModifier = CExifModify::NewL(imageDataPtr, CExifModify::ECreate);
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CleanupStack::PushL(exifModifier);
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//3. Insert (Set) at least the mandatory Exif data...
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exifModifier->SetXResolutionL( 123, 1 );
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exifModifier->SetYResolutionL( 512, 1 );
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exifModifier->SetResolutionUnitL( 2 );
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exifModifier->SetYCbCrPositioningL( 1 );
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exifModifier->SetComponentsConfigurationL( 1, 2, 3, 0 );
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exifModifier->SetColorSpaceL( 1 );
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exifModifier->SetPixelXDimensionL( 512 );
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exifModifier->SetPixelYDimensionL( 512 );
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TInt descSize = aCordArray.Count()*4*4 + 32+10; // Be careful calculating like this!!!
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HBufC8* heapComment = HBufC8::NewL(descSize);
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CleanupStack::PushL(heapComment);
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TPtr8 ptr = heapComment->Des();
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ptr.Append(KFaceCoordsHeader);
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ptr.Append(KSpace);
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ptr.Append(KFaceCoordsImagicVersion);
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ptr.Append(KSpace);
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ptr.Append(KHash);
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//Set number of faces detected to Exif data
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if(aCordArray.Count() == 0)
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ptr.Append(KZero);
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else
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{
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ptr.AppendNum(aCordArray.Count());
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ptr.Append(KSpace);
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for(TInt i=0; i<aCordArray.Count(); i++)
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{
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//TInt size = ptr.Size();
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ptr.AppendNum(aCordArray[i].iTl.iX);
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ptr.Append(KSpace);
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ptr.AppendNum(aCordArray[i].iTl.iY);
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ptr.Append(KSpace);
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ptr.AppendNum(aCordArray[i].iBr.iX);
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ptr.Append(KSpace);
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ptr.AppendNum(aCordArray[i].iBr.iY);
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ptr.Append(KSpace);
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}
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}
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exifModifier->SetMakerNoteL(ptr);
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HBufC8* newImageData = exifModifier->WriteDataL(imageDataPtr); // newImageData contains the image data with the modified exif data
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CleanupStack::PushL(newImageData);
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if(newImageData == NULL)
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User::Leave(KErrNotFound); // Better error code should be returned
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TPtr8 newImageDataPtr = newImageData->Des();
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// Create the new thumbnail image with modified exif data
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User::LeaveIfError(tnFile.Replace(iFs, a512x512TNFileName, EFileWrite));
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User::LeaveIfError(tnFile.Write(newImageDataPtr));
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tnFile.Flush();
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tnFile.Close();
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CleanupStack::PopAndDestroy(4);
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DP0_IMAGIC(_L("CIEEngineUtils::WriteFaceCoordinatesL --"));
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}
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401 |
EXPORT_C void CIEEngineUtils::ReadFaceCoordinatesL(const TFileName a512x512TNFileName, RArray<TRect>& aCordArray)
|
|
402 |
{
|
|
403 |
DP1_IMAGIC(_L("CIEEngineUtils::ReadFaceCoordinatesL, a512x512TNFileName = %S ++"), &a512x512TNFileName);
|
|
404 |
|
|
405 |
TInt count = aCordArray.Count();
|
|
406 |
for(TInt i=0; i<count; i++)
|
|
407 |
aCordArray.Remove(0);
|
|
408 |
|
|
409 |
HBufC8* imageData = ReadExifHeaderL(iFs, a512x512TNFileName);
|
|
410 |
CleanupStack::PushL(imageData);
|
|
411 |
|
|
412 |
CExifRead* exifReader;
|
|
413 |
exifReader = CExifRead::NewL(imageData->Des(), CExifRead::ENoJpeg);
|
|
414 |
CleanupStack::PushL(exifReader);
|
|
415 |
|
|
416 |
HBufC8* makerNoteData = exifReader->GetMakerNoteL();
|
|
417 |
TPtr8 makerNoteDataPtr = makerNoteData->Des();
|
|
418 |
|
|
419 |
// No valid face information
|
|
420 |
if (makerNoteDataPtr.Find(KFaceCoordsHeader) != 0)
|
|
421 |
User::Leave(KErrNotFound);
|
|
422 |
|
|
423 |
// 31 is the length of the string KFaceCoordsHeader+KSpace+KFaceCoordsImagicVersion+KSpace+KHash
|
|
424 |
makerNoteDataPtr.Delete(0, 31);
|
|
425 |
|
|
426 |
TRect rect(0,0,0,0);
|
|
427 |
TLex8 lex(makerNoteDataPtr.Ptr());
|
|
428 |
TInt faceCount = 0;
|
|
429 |
|
|
430 |
lex.Val(faceCount);
|
|
431 |
|
|
432 |
if(faceCount > 0)
|
|
433 |
{
|
|
434 |
for(TInt i=0; i<faceCount; i++)
|
|
435 |
{
|
|
436 |
lex.SkipSpaceAndMark();
|
|
437 |
lex.Val(rect.iTl.iX);
|
|
438 |
lex.SkipSpaceAndMark();
|
|
439 |
lex.Val(rect.iTl.iY);
|
|
440 |
|
|
441 |
lex.SkipSpaceAndMark();
|
|
442 |
lex.Val(rect.iBr.iX);
|
|
443 |
lex.SkipSpaceAndMark();
|
|
444 |
lex.Val(rect.iBr.iY);
|
|
445 |
|
|
446 |
aCordArray.Append(rect);
|
|
447 |
|
|
448 |
DP4_IMAGIC(_L("Rect(%d, %d, %d, %d)"), rect.iTl.iX, rect.iTl.iY, rect.iBr.iX, rect.iBr.iY);
|
|
449 |
|
|
450 |
rect = TRect(0,0,0,0);
|
|
451 |
}
|
|
452 |
aCordArray.SortSigned();
|
|
453 |
}
|
|
454 |
|
|
455 |
CleanupStack::PopAndDestroy(2);
|
|
456 |
|
|
457 |
DP0_IMAGIC(_L("CIEEngineUtils::ReadFaceCoordinatesL --"));
|
|
458 |
}
|
|
459 |
|
|
460 |
EXPORT_C void CIEEngineUtils::GetModifiedTimeL(const TDes &aFileName, TTime& aTime)
|
|
461 |
{
|
|
462 |
DP0_IMAGIC(_L("CIEEngineUtils::GetFileModifiedTimeL++"));
|
|
463 |
|
|
464 |
// Read file modified date
|
|
465 |
RFile file;
|
|
466 |
TInt error = file.Open(iFs, aFileName , EFileRead);
|
|
467 |
DP1_IMAGIC(_L("CIEEngineUtils::GetFileModifiedTimeL - file open error = %d"), error);
|
|
468 |
User::LeaveIfError(error);
|
|
469 |
file.Modified(aTime);
|
|
470 |
file.Close();
|
|
471 |
DP0_IMAGIC(_L("CIEEngineUtils::GetFileModifiedTimeL--"));
|
|
472 |
}
|
|
473 |
|
|
474 |
EXPORT_C void CIEEngineUtils::GetImageSizeL(const TDes &aFileName, TSize& aSize)
|
|
475 |
{
|
|
476 |
DP0_IMAGIC(_L("CIEEngineUtils::GetImageSizeL++"));
|
|
477 |
|
|
478 |
CImageDecoder* imageDecoder = CImageDecoder::FileNewL(iFs, aFileName);
|
|
479 |
TFrameInfo frameInfo = imageDecoder->FrameInfo();
|
|
480 |
aSize = frameInfo.iFrameCoordsInPixels.Size();
|
|
481 |
|
|
482 |
delete imageDecoder;
|
|
483 |
imageDecoder = NULL;
|
|
484 |
|
|
485 |
DP2_IMAGIC(_L("CIEEngineUtils::GetImageSizeL-- [%d x %d]"), aSize.iWidth, aSize.iHeight);
|
|
486 |
}
|
|
487 |
|
|
488 |
EXPORT_C HBufC8* CIEEngineUtils::ReadExifHeaderL(RFs& aFs, const TDesC &aFileName)
|
|
489 |
{
|
|
490 |
DP0_IMAGIC(_L("CIEEngineUtils::ReadExifHeaderL++"));
|
|
491 |
RFile file;
|
|
492 |
User::LeaveIfError(file.Open(aFs, aFileName, EFileRead|EFileShareReadersOnly));
|
|
493 |
CleanupClosePushL(file);
|
|
494 |
|
|
495 |
TInt size;
|
|
496 |
file.Size(size);
|
|
497 |
size = Min(size, 64 * 1024); // TODO use exact exif size
|
|
498 |
|
|
499 |
HBufC8* exif = HBufC8::NewL(size);
|
|
500 |
CleanupStack::PushL(exif);
|
|
501 |
TPtr8 bufferPtr(exif->Des());
|
|
502 |
User::LeaveIfError(file.Read(bufferPtr));
|
|
503 |
|
|
504 |
CleanupStack::Pop(exif); // exif
|
|
505 |
CleanupStack::PopAndDestroy(); // file
|
|
506 |
|
|
507 |
DP0_IMAGIC(_L("CIEEngineUtils::ReadExifHeaderL--"));
|
|
508 |
return exif;
|
|
509 |
}
|
|
510 |
|
|
511 |
EXPORT_C HBufC8* CIEEngineUtils::ReadExifThumbnailL(RFs& aFs, const TDesC& aFileName)
|
|
512 |
{
|
|
513 |
DP1_IMAGIC(_L("CIEEngineUtils::ReadExifThumbnailL++ %S"), &aFileName);
|
|
514 |
|
|
515 |
HBufC8* exif = ReadExifHeaderL(aFs, aFileName);
|
|
516 |
CleanupStack::PushL(exif);
|
|
517 |
|
|
518 |
// Instantiate Exif reader
|
|
519 |
CExifRead* exifRead = CExifRead::NewL(*exif, CExifRead::ENoJpeg);
|
|
520 |
CleanupStack::PushL(exifRead);
|
|
521 |
|
|
522 |
// Get required data from the Exif image
|
|
523 |
HBufC8* exifThumb = exifRead->GetThumbnailL();
|
|
524 |
CleanupStack::PushL(exifThumb);
|
|
525 |
|
|
526 |
/*TUint32 w, w2, h, h2;
|
|
527 |
exifRead->GetThumbnailXResolution(w, w2);
|
|
528 |
exifRead->GetThumbnailYResolution(h, h2);*/
|
|
529 |
|
|
530 |
CleanupStack::Pop(exifThumb);
|
|
531 |
CleanupStack::PopAndDestroy(exifRead);
|
|
532 |
CleanupStack::PopAndDestroy(exif);
|
|
533 |
DP0_IMAGIC(_L("CIEEngineUtils::ReadExifThumbnailL--"));
|
|
534 |
return exifThumb;
|
|
535 |
}
|
|
536 |
|
|
537 |
//------------------------------------------------------------------------------
|
|
538 |
// Read the JPEG EXIF creation timestamp and orientation
|
|
539 |
//------------------------------------------------------------------------------
|
|
540 |
EXPORT_C void CIEEngineUtils::GetExifDateTimeAndOrientationL(
|
|
541 |
const TDesC& aFilename,
|
|
542 |
TTime& aExifDateTime,
|
|
543 |
TUint16& aOrientation)
|
|
544 |
{
|
|
545 |
HBufC8* exifDateTime = NULL;
|
|
546 |
|
|
547 |
//#define USE_EXIF_DECODER
|
|
548 |
#ifdef USE_EXIF_DECODER
|
|
549 |
// First create the decoder and attach it to the JPEG file. The
|
|
550 |
// decoder implementation UID has to be specified or calling
|
|
551 |
// ExifMetadata() will crash.
|
|
552 |
CImageDecoder* imageDecoder = NULL;
|
|
553 |
imageDecoder = CImageDecoder::FileNewL(
|
|
554 |
iFs,
|
|
555 |
aFilename,
|
|
556 |
CImageDecoder::EOptionNone,
|
|
557 |
KImageTypeJPGUid,
|
|
558 |
KNullUid,
|
|
559 |
TUid::Uid(KJPGDecoderImplementationUidValue));
|
|
560 |
|
|
561 |
// The specific implementation UID makes the downcasting safe.
|
|
562 |
// Besides, there is no other way to use the decoder.
|
|
563 |
CJPEGExifDecoder* jpegDecoder = static_cast<CJPEGExifDecoder*>(imageDecoder);
|
|
564 |
CleanupStack::PushL(jpegDecoder);
|
|
565 |
// Read the EXIF timestamp, format "YYYY:MM:DD HH:MM:SS".
|
|
566 |
MExifMetadata* exifData = jpegDecoder->ExifMetadata();
|
|
567 |
if(!exifData)
|
|
568 |
User::Leave(KErrNotSupported);
|
|
569 |
|
|
570 |
TExifReaderUtility reader(exifData);
|
|
571 |
exifDateTime = HBufC8::NewLC(KPMMExifDateTimeOriginalLength);
|
|
572 |
TInt error = reader.GetDateTimeOriginal(exifDateTime);
|
|
573 |
User::LeaveIfError(error);
|
|
574 |
#else
|
|
575 |
HBufC8* exifData = ReadExifHeaderL(iFs, aFilename);
|
|
576 |
CleanupStack::PushL(exifData);
|
|
577 |
CExifRead* exifReader = CExifRead::NewL(*exifData, CExifRead::ENoJpeg);
|
|
578 |
CleanupStack::PushL(exifReader);
|
|
579 |
|
|
580 |
exifDateTime = exifReader->GetDateTimeOriginalL();
|
|
581 |
#endif
|
|
582 |
// Convert the descriptor to a TDateTime as it cannot be converted
|
|
583 |
// directly to a TTime.
|
|
584 |
TLex8 lexer(*exifDateTime);
|
|
585 |
TInt timeValue;
|
|
586 |
TDateTime intermediateDateTime;
|
|
587 |
// Year
|
|
588 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
589 |
intermediateDateTime.SetYear(timeValue);
|
|
590 |
lexer.Inc(); // Skip the colon.
|
|
591 |
// Month
|
|
592 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
593 |
intermediateDateTime.SetMonth(TMonth(timeValue-1));
|
|
594 |
lexer.Inc();
|
|
595 |
// Day
|
|
596 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
597 |
intermediateDateTime.SetDay(timeValue-1);
|
|
598 |
lexer.Inc();
|
|
599 |
// Hours
|
|
600 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
601 |
intermediateDateTime.SetHour(timeValue);
|
|
602 |
lexer.Inc();
|
|
603 |
// Minutes
|
|
604 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
605 |
intermediateDateTime.SetMinute(timeValue);
|
|
606 |
lexer.Inc();
|
|
607 |
// Seconds
|
|
608 |
User::LeaveIfError(lexer.Val(timeValue));
|
|
609 |
intermediateDateTime.SetSecond(timeValue);
|
|
610 |
|
|
611 |
// Finally, convert the TDateTime to a TTime.
|
|
612 |
aExifDateTime = intermediateDateTime;
|
|
613 |
|
|
614 |
// Read orientation
|
|
615 |
TUint16 exifOrientation;
|
|
616 |
#ifdef USE_EXIF_DECODER
|
|
617 |
if (reader.GetOrientation(exifOrientation) == KErrNone)
|
|
618 |
#else
|
|
619 |
if (exifReader->GetOrientation(exifOrientation) == KErrNone)
|
|
620 |
#endif
|
|
621 |
{
|
|
622 |
switch (exifOrientation)
|
|
623 |
{
|
|
624 |
case 1: case 2:
|
|
625 |
aOrientation = 0;
|
|
626 |
break;
|
|
627 |
|
|
628 |
case 3: case 4:
|
|
629 |
aOrientation = 180;
|
|
630 |
break;
|
|
631 |
|
|
632 |
case 5: case 8:
|
|
633 |
aOrientation = 90;
|
|
634 |
break;
|
|
635 |
|
|
636 |
case 6: case 7:
|
|
637 |
aOrientation = 270;
|
|
638 |
break;
|
|
639 |
|
|
640 |
default:
|
|
641 |
DP0_IMAGIC(_L("CIEEngineUtils::GetExifDateTimeAndOrientationL: invalid orientation"));
|
|
642 |
}
|
|
643 |
|
|
644 |
DP1_IMAGIC(_L("CIEEngineUtils::GetExifDateTimeAndOrientationL: %d"), aOrientation);
|
|
645 |
}
|
|
646 |
|
|
647 |
#ifdef USE_EXIF_DECODER
|
|
648 |
CleanupStack::PopAndDestroy(exifDateTime);
|
|
649 |
CleanupStack::PopAndDestroy(jpegDecoder);
|
|
650 |
#else
|
|
651 |
CleanupStack::PopAndDestroy(exifReader);
|
|
652 |
CleanupStack::PopAndDestroy(exifData);
|
|
653 |
#endif
|
|
654 |
}
|
|
655 |
|
|
656 |
EXPORT_C TUid CIEEngineUtils::GetImageDecoderUid()
|
|
657 |
{
|
|
658 |
CImplementationInformationType* type;
|
|
659 |
TInt error;
|
|
660 |
|
|
661 |
TUid uid = TUid::Uid(KJpegDecIVAUidValue);
|
|
662 |
TRAP(error, type = CImageDecoder::GetImplementationInformationL(uid));
|
|
663 |
if (error == KErrNone)
|
|
664 |
{
|
|
665 |
DP0_IMAGIC(_L("CIEEngineUtils::GetImageDecoderUid: IVA decoder found"));
|
|
666 |
return uid;
|
|
667 |
}
|
|
668 |
|
|
669 |
uid = TUid::Uid(KJpegOptUidValue);
|
|
670 |
TRAP(error, type = CImageDecoder::GetImplementationInformationL(uid));
|
|
671 |
if (error == KErrNone)
|
|
672 |
{
|
|
673 |
DP0_IMAGIC(_L("CIEEngineUtils::GetImageDecoderUid: Emuzed decoder found"));
|
|
674 |
return uid;
|
|
675 |
}
|
|
676 |
|
|
677 |
/*CExtJpegDecoder* extDecoder;
|
|
678 |
TRAP(error, extDecoder = CImageDecoder::DataNewL(CExtJpegDecoder::EHwImplementation));
|
|
679 |
if (error == KErrNone)
|
|
680 |
return extDecoder->ImplementationUid();*/
|
|
681 |
|
|
682 |
/*TRAP(error, type = CImageDecoder::GetImplementationInformationL(CExtJpegDecoder::ESwImplementation));
|
|
683 |
if (error == KErrNone)
|
|
684 |
return type->ImplementationUid();*/
|
|
685 |
|
|
686 |
DP0_IMAGIC(_L("CIEEngineUtils::GetImageDecoderUid: no specified decoder found"));
|
|
687 |
return KNullUid;
|
|
688 |
}
|