1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsdeviceinterface/directgdiadaptation/swsrc/swdirectgdiimagesourceimpl.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,90 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "swdirectgdiimagesourceimpl.h"
    1.20 +#include "swdirectgdidriverimpl.h"
    1.21 +#include <graphics/sgimage_sw.h>
    1.22 +
    1.23 +/**
    1.24 +Constructs a CSwDirectGdiImageTargetImpl
    1.25 +@param	aDriver		The driver implementation which created this target.
    1.26 +*/
    1.27 +CSwDirectGdiImageSourceImpl::CSwDirectGdiImageSourceImpl(CSwDirectGdiDriverImpl& aDriver) :
    1.28 +	iDriver(aDriver)
    1.29 +	{	
    1.30 +	}
    1.31 +
    1.32 +/**
    1.33 +Destroys a CSwDirectGdiImageSourceImpl.
    1.34 +
    1.35 +@post This image source is removed from the associated driver's list of source images.
    1.36 +*/
    1.37 +CSwDirectGdiImageSourceImpl::~CSwDirectGdiImageSourceImpl()
    1.38 +	{
    1.39 +	iDriver.UnregisterSourceImage(*this);
    1.40 +	}
    1.41 +
    1.42 +/**
    1.43 +Two-phase construction of a CDirectGdiImageSourceImpl object.
    1.44 +@param aImage On success, holds a pointer to the newly-created image.
    1.45 +@param aDriver The driver to register this image with.
    1.46 +@param aSgImage The RSgImage which this image will be based upon. 
    1.47 +@return KErrNone if successful, KErrNoMemory if not enough memory could be allocated, otherwise a return
    1.48 +        value from Construct().
    1.49 +*/
    1.50 +TInt CSwDirectGdiImageSourceImpl::New(CSwDirectGdiImageSourceImpl*& aImage, CSwDirectGdiDriverImpl& aDriver, const RSgImage& aSgImage)
    1.51 +	{
    1.52 +	CSwDirectGdiImageSourceImpl* image = new CSwDirectGdiImageSourceImpl(aDriver);
    1.53 +	if (!image)
    1.54 +		return KErrNoMemory;
    1.55 +	TInt err = image->Construct(aSgImage);
    1.56 +	if (err == KErrNone)
    1.57 +		aImage = image;
    1.58 +	else
    1.59 +		delete image;
    1.60 +	return err;
    1.61 +	}
    1.62 +
    1.63 +/**
    1.64 +Gets the supplied image structure and sets the internal data.
    1.65 +@param aSgImage The RSgImage to create the source image from.
    1.66 +@return KErrNone if successful, KErrNotSupported if the RSgImage doesn't have the required interface,
    1.67 +        otherwise an error from CDirectGdiImageRef::Construct().
    1.68 +*/ 
    1.69 +TInt CSwDirectGdiImageSourceImpl::Construct(const RSgImage& aSgImage)
    1.70 +	{	
    1.71 +	TInt err = CDirectGdiImageRef::Construct(aSgImage);
    1.72 +	
    1.73 +	MSgImage_Sw* pImage = NULL;
    1.74 +	if (err == KErrNone)
    1.75 +		{		
    1.76 +		RSgImage image = Image();
    1.77 +		err = image.GetInterface(pImage);
    1.78 +		}
    1.79 +	
    1.80 +	if (err == KErrNone)
    1.81 +		{
    1.82 +		err = iDriver.RegisterSourceImage(*this);
    1.83 +		}
    1.84 +	
    1.85 +	if (err == KErrNone)
    1.86 +		{
    1.87 +		iDataBuffer = pImage->DataAddress();
    1.88 +		iStride = pImage->DataStride();
    1.89 +		Open();
    1.90 +		}
    1.91 +	
    1.92 +	return err;	
    1.93 +	}