imaging/imagingfws/src/JPEGExifPlugin.cpp
author hgs
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201037_01
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// Copyright (c) 2004-2009 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:
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//
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// Description:
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// ExtendedPlugin.cpp
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// 
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//
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#include "JPEGExifPlugin.h"
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//CJPEGExifDecoder
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/**
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Constructs a new exif decoder.
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A leave occurs if there is insufficient memory available.
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@return A pointer to the new exif jpeg decoder.
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*/
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EXPORT_C CJPEGExifDecoder* CJPEGExifDecoder::NewL()
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	{
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	CJPEGExifDecoder* self;
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	self = new (ELeave) CJPEGExifDecoder;
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self);
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	return self;
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	}
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/**
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Initialises an exif decoder.
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A leave occurs if the associated ICL plugin could not be instanciated
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*/
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EXPORT_C void CJPEGExifDecoder::ConstructL()
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	{
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	iBody = CJPEGExifDecoder::CBody::NewL(*this);
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	}
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/**
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@publishedPartner
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@released
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constructor
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*/
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EXPORT_C CJPEGExifDecoder::CJPEGExifDecoder()
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	{
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	}
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/**
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@publishedPartner
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@released
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destructor
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*/
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EXPORT_C CJPEGExifDecoder::~CJPEGExifDecoder()
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	{
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	delete iBody;
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	}
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/**
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gets the metadata associated to this instance of the decoder
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NULL is returned if no metadata was found
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@return A pointer to the metadata
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*/
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EXPORT_C MExifMetadata* CJPEGExifDecoder::ExifMetadata()
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	{
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	return iBody->ExifMetadata();		
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	}
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//CJPEGExifDecoder::iBody
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/**
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create a new body for a defined exif jpeg decoder
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A leave occurs if there is insufficient memory available.
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@param  aHandle
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	a reference on the exif decoder this body has to be associated to.
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@return A pointer to the body.
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*/
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EXPORT_C CJPEGExifDecoder::CBody* CJPEGExifDecoder::CBody::NewL(CJPEGExifDecoder& aHandle)
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	{
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	CJPEGExifDecoder::CBody* self;
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	self = new (ELeave) CJPEGExifDecoder::CBody(aHandle);
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	return self;
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	}
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/**
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constructor
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instanciates a new body for a defined exif jpeg decoder
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A leave occurs if there is insufficient memory available.
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@param  aHandle
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	a reference on the exif decoder this body has to be associated to.
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*/
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CJPEGExifDecoder::CBody::CBody(CJPEGExifDecoder& aHandle) : iHandle(aHandle)
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	{
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	}
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/**
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Gets the metadata associated with this instance of the decoder
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returns NULL if no metadata was found
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@return A pointer to the metadata.
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*/
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EXPORT_C MExifMetadata* CJPEGExifDecoder::CBody::ExifMetadata()
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	{
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	CJPEGExifDecoderPlugin* plugin;
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	plugin = static_cast<CJPEGExifDecoderPlugin*>(iHandle.Plugin());
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	return plugin->ExifMetadata();		
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	}
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//CJPEGExifEncoder
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/**
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Constructs a new exif encoder.
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A leave occurs if there is insufficient memory available.
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@return A pointer to the new jpeg exif encoder.
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*/
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EXPORT_C CJPEGExifEncoder* CJPEGExifEncoder::NewL()
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	{
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	CJPEGExifEncoder* self;
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	self = new (ELeave) CJPEGExifEncoder;
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self);
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	return self;
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	}
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/**
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Initialises an exif encoder.
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A leave occurs if the associated ICL plugin could not be instanciated
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*/
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EXPORT_C void CJPEGExifEncoder::ConstructL()
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	{
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	iBody = CJPEGExifEncoder::CBody::NewL(*this);
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	}
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/**
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@publishedPartner
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@released
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constructor
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*/
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EXPORT_C CJPEGExifEncoder::CJPEGExifEncoder()
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	{
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	}
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/**
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@publishedPartner
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@released
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destructor
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*/
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EXPORT_C CJPEGExifEncoder::~CJPEGExifEncoder()
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	{
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	delete iBody;
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	}
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/**
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gets the metadata associated to this instance of the encoder
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NULL is returned if no metadata was found
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@return A pointer to the metadata
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*/
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EXPORT_C MExifMetadata* CJPEGExifEncoder::ExifMetadata()
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	{
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	return iBody->ExifMetadata();		
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	}
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//CJPEGExifEncoder::iBody
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/**
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create a new body for a defined exif jpeg encoder
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A leave occurs if there is insufficient memory available.
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@param  aHandle
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	a reference on the exif encoder this body has to be associated to.
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@return A pointer to the body.
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*/
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EXPORT_C CJPEGExifEncoder::CBody* CJPEGExifEncoder::CBody::NewL(CJPEGExifEncoder& aHandle)
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	{
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	CJPEGExifEncoder::CBody* self;
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	self = new (ELeave) CJPEGExifEncoder::CBody(aHandle);
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	return self;
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	}
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/**
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constructor
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instanciates a new body for a defined exif jpeg encoder
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A leave occurs if there is insufficient memory available.
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@param  aHandle
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	a reference on the exif decoder this body has to be associated to.
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*/
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CJPEGExifEncoder::CBody::CBody(CJPEGExifEncoder& aHandle) : iHandle(aHandle)
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	{
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	}
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/**
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Gets the metadata associated with this instance of the decoder
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returns NULL if no metadata was found
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@return A pointer to the metadata.
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*/
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EXPORT_C MExifMetadata* CJPEGExifEncoder::CBody::ExifMetadata()
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	{
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	CJPEGExifEncoderPlugin* plugin;
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	plugin = static_cast<CJPEGExifEncoderPlugin*>(iHandle.Plugin());
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	return plugin->ExifMetadata();		
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	}
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/**
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Gets the metadata associated with this instance of the exif transform
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returns NULL if no metadata was found
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@return A pointer to the metadata.
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*/
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EXPORT_C MExifMetadata* CJPEGExifTransformExtension::ExifMetadata()
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	{
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	return NULL;
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	}
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