--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/directgdiadaptation/hwsrc/directgdiimagesourceimpl.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,100 @@
+// Copyright (c) 2007-2009 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 "directgdiadapter.h"
+#include "directgdiimagesourceimpl.h"
+#include "directgdidriverimpl.h"
+#include "directgdidriverprocessstate.h"
+#include <graphics/sgimage.h>
+
+/**
+Constructs a CDirectGdiImageSourceImpl.
+@param	aDriver		The driver implementation which created this target.
+*/
+CDirectGdiImageSourceImpl::CDirectGdiImageSourceImpl(CDirectGdiDriverImpl& aDriver) :
+	iDriver(aDriver),
+	iVgImage(VG_INVALID_HANDLE)
+	{
+	}
+
+/**
+Destructor. 
+
+@post The associated VgImage (if any) is destroyed by the process state.
+	  This image is removed from the associated driver's list of source images.
+*/
+CDirectGdiImageSourceImpl::~CDirectGdiImageSourceImpl()
+{	
+	GRAPHICS_LOG_DEBUG("Destroying CDirectGdiImageSourceImpl");
+	if (iVgImage != VG_INVALID_HANDLE)
+		{
+		iDriver.ProcessState().DestroyVgImage(iDriver.EglDisplay(), iVgImage);
+		}
+	iDriver.UnregisterSourceImage(*this);		
+}
+
+/**
+Two-phase construction of a CDirectGdiImageSourceImpl object.
+@param aImage On success, holds a pointer to the newly-created image.
+@param aDriver The driver to register this image with.
+@param aSgImage The RSgImage which this image will be based upon.
+@return KErrNone if successful, KErrNoMemory if not enough memory could be allocated, otherwise a return
+        value from Construct().
+*/
+TInt CDirectGdiImageSourceImpl::New(CDirectGdiImageSourceImpl*& aImage, CDirectGdiDriverImpl& aDriver, const RSgImage& aSgImage)
+	{
+	CDirectGdiImageSourceImpl* image = new CDirectGdiImageSourceImpl(aDriver);
+	if (!image)
+		return KErrNoMemory;
+	TInt err = image->Construct(aSgImage);
+	if (err == KErrNone)
+		aImage = image;
+	else
+		delete image;
+	return err;
+	}
+
+/**
+Gets the supplied image structure and sets the internal data.
+Registers itself with the driver.
+ 
+@param aSgImage The RSgImage to create the source image from.
+@return KErrNone if successful, otherwise an error from CDirectGdiImageRef::Construct().
+*/
+TInt CDirectGdiImageSourceImpl::Construct(const RSgImage& aSgImage)
+	{
+	TInt err = CDirectGdiImageRef::Construct(aSgImage);
+	
+	if (err == KErrNone)
+		{
+		// Let the process state create the VGImage as EGLImages and their associated VGImages
+		// are shared across all threads in this process. (Only one EGLImage can be created per RSgImage
+		// in a process).
+		err = iDriver.ProcessState().CreateVgImage(iDriver.EglDisplay(), iVgImage, iSgImage);
+		}
+	
+	if (err == KErrNone)
+		{
+		err = iDriver.RegisterSourceImage(*this);				
+		}
+	
+	if (err == KErrNone)
+		{
+		Open();
+		}	
+	
+	return err;
+	}
+