diff -r 000000000000 -r 40261b775718 mmplugins/imagingplugins/codecs/OTACodec/OTAConvert.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmplugins/imagingplugins/codecs/OTACodec/OTAConvert.cpp Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,179 @@ +// Copyright (c) 1999-2009 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: +// + +#include +#include +#include +#include +#include "ImageClientMain.h" +#include "icl/ICL_UIDS.hrh" +#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS +#include +#include +#include +#endif +#include <101F45D0_extra.rsg> +#include "OTACodec.h" + +_LIT(KOTAPanicCategory, "OTAConvertPlugin"); + + +// Global panic function +GLDEF_C void Panic(TIclPanic aError) + { + User::Panic(KOTAPanicCategory, aError); + } + + +// Ota decoder. +COtaDecoder* COtaDecoder::NewL() + { + return new(ELeave) COtaDecoder; + } + +COtaDecoder::COtaDecoder() + {} + +COtaDecoder::~COtaDecoder() + { + Cleanup(); + } + +void COtaDecoder::ImageType(TInt aFrameNumber, TUid& aImageType, TUid& aImageSubType) const + { + __ASSERT_ALWAYS(aFrameNumber == 0, Panic(EFrameNumberOutOfRange)); + aImageType = KImageTypeOTAUid; + aImageSubType = KNullUid; + } + +// Scan header. +// Validate that format is correct. +// Create codec. +// Fill in image info. (All frames) +void COtaDecoder::ScanDataL() + { + ReadFormatL(); + + ASSERT(ImageReadCodec() == NULL); + + COtaReadCodec* imageReadCodec = COtaReadCodec::NewL(iSize); + + SetImageReadCodec(imageReadCodec); + + ReadFrameHeadersL(); + } + +const TInt KOtaFileHeaderSize = 22; // InfoField + 16 extFields + width + height + depth. +const TInt KOtaUnsupportedFormats = 0x6F; +const TInt KOtaConcatenationFlag = 0x80; +const TInt KOtaSixteenBitSizeFlag = 0x10; +void COtaDecoder::ReadFormatL() + { + TPtrC8 bufferDes; + + ReadDataL(0, bufferDes, KOtaFileHeaderSize); + + // Validate the header. + if (bufferDes.Length() < KOtaFileHeaderSize) + User::Leave(KErrUnderflow); + + const TUint8* ptr = &bufferDes[0]; + const TUint8* startPtr = ptr; + + TUint8 infoField = *ptr++; + if (infoField & KOtaUnsupportedFormats) + User::Leave(KErrNotSupported); // Compression, palette and animations not supported + + TUint8 extField = infoField; + while ((extField & KOtaConcatenationFlag) && ((ptr-startPtr) < 17)) // Skip extField concatenations + extField = *ptr++; + + if (extField & KOtaConcatenationFlag) + User::Leave(KErrCorrupt); // There should be an infoField and no more than 16 extFields. + + if (infoField & KOtaSixteenBitSizeFlag) // Size values are 16 bit + { + iSize.iWidth = (ptr[1] << 8) | ptr[0]; + iSize.iHeight = (ptr[3] << 8) | ptr[2]; + ptr += 4; + } + else // Size values are 8 bit + { + iSize.iWidth = *ptr++; + iSize.iHeight = *ptr++; + } + + TUint8 depth = *ptr++; + if (depth != 1) + User::Leave(KErrNotSupported); + + TInt startPosition = ptr - startPtr; + SetStartPosition(startPosition); + SetDataLength(startPosition + (((iSize.iWidth * iSize.iHeight) + 7) / 8)); + + TFrameInfo imageInfo; + imageInfo = ImageInfo(); + imageInfo.iFrameCoordsInPixels.SetRect(TPoint(0, 0), iSize); + imageInfo.iOverallSizeInPixels = iSize; + imageInfo.iFrameSizeInTwips = TSize(0, 0); + imageInfo.iBitsPerPixel = 1; + imageInfo.iDelay = 0; + imageInfo.iFlags = 0; + imageInfo.iFrameDisplayMode = EGray2; + SetImageInfo(imageInfo); + } + +CFrameInfoStrings* COtaDecoder::FrameInfoStringsL(RFs& aFs, TInt aFrameNumber) + { + + const TUid KOtaCodecDllUid = {KOTACodecDllUidValue}; + + RResourceFile resourceFile; + OpenExtraResourceFileLC(aFs,KOtaCodecDllUid,resourceFile); + + HBufC8* resourceInfo = resourceFile.AllocReadLC(THEDECODERINFO); + TResourceReader resourceReader; + resourceReader.SetBuffer(resourceInfo); + + TBuf info; + TBuf templte; + + const TFrameInfo& frameInfo = FrameInfo(aFrameNumber); + CFrameInfoStrings* frameInfoStrings = CFrameInfoStrings::NewLC(); + + info = resourceReader.ReadTPtrC(); + frameInfoStrings->SetDecoderL(info); + + info = resourceReader.ReadTPtrC(); + frameInfoStrings->SetFormatL(info); + + TInt width = frameInfo.iOverallSizeInPixels.iWidth; + TInt height = frameInfo.iOverallSizeInPixels.iHeight; + + templte = resourceReader.ReadTPtrC(); + info.Format(templte, width, height); + frameInfoStrings->SetDimensionsL(info); + + info = resourceReader.ReadTPtrC(); // note depth is fixed + frameInfoStrings->SetDepthL(info); + + // leave details blank + + CleanupStack::Pop(frameInfoStrings); + CleanupStack::PopAndDestroy(2); // resourceInfo + resourceFile + return frameInfoStrings; + } + +