// Copyright (c) 2000-2009 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 "scrdevextension.h"

 #include "../SERVER/w32cmd.h"

 #include <graphics/displaycontrolbase.h>

 #include "CLIENT.H"

 #include "w32comm.h"

 CWsScreenDevice::CScrDevExtension::CScrDevExtension(RWsBuffer *aBuffer,TInt32 aWsHandle):	MWsClientClass(aBuffer)

 	{

 	iWsHandle=aWsHandle;

 	__ASSERT_DEBUG(aBuffer,Panic(EW32PanicBadClientInterface));

 	__ASSERT_DEBUG(aWsHandle,Panic(EW32PanicBadClientInterface));

 	}

 CWsScreenDevice::CScrDevExtension::~CScrDevExtension()

 	{

 	//typeface store is not owned by this class, and is created/destroyed in CWsScreenDevice

 	}

 /** Interface Extension capability

  * 	Use of this interface going forward will allow the published client interface to be dynamically extended.

  * 	Note that the pointer returned is only good for the lifetime of the called CBase derived object.

  * 	@pre	caller has already checked that the implementation is initialised using RepeatableConstruct

  *	@param  aInterfaceId	uniqueid or well known id of interface

  * 	@return	pointer to interface object matching this ID or NULL if no match.

  **/

 void* CWsScreenDevice::CScrDevExtension::GetInterface(TUint aInterfaceId)

 	{

 	__ASSERT_DEBUG(this!=NULL,Panic(EW32PanicBadClientInterface));

 	__ASSERT_DEBUG(iBuffer,Panic(EW32PanicBadClientInterface));

 	__ASSERT_DEBUG(iWsHandle!=NULL,Panic(EW32PanicBadClientInterface));

 	switch (aInterfaceId)

 		{

 		case MTestScreenCapture::ETypeId:

 			{

 				return static_cast<MTestScreenCapture*>(this);

 			}

 		default:

 			break;

 		}

 	return NULL;

 }

 //Accessor to typeface store instance

 CFbsTypefaceStore* CWsScreenDevice::CScrDevExtension::TypefaceStore()

 	{

 	return iTypefaceStore;

 	}

 //Accessor to typeface store instance

 void  CWsScreenDevice::CScrDevExtension::SetTypefaceStore(CFbsTypefaceStore* aTypeFaceStore)

 	{

 	iTypefaceStore=aTypeFaceStore;

 	}

 TInt CWsScreenDevice::CScrDevExtension::TranslateExtent(const TRect& aInitial, TRect& aTarget) const

 	{

   	// Current screen mode scale

 	TPckgBuf<TSize> pntPkg;

 	TInt err = WriteReplyP(&pntPkg,EWsSdOpGetCurrentScreenModeScale);

 	TSize scale = pntPkg();	

 	// Current screen mode offset

 	TPckgBuf<TPoint> soPkg;

 	err = WriteReplyP(&soPkg,EWsSdOpGetCurrentScreenModeScaledOrigin);

 	TPoint offset = soPkg();

 	// Calculate the top left point taking into account scale and offset

 	TInt startingPointWidth = (scale.iWidth * aInitial.iTl.iX) + offset.iX;

 	TInt startingPointHeight = (scale.iHeight * aInitial.iTl.iY) + offset.iY;	

 	TPoint targetXY(startingPointWidth,startingPointHeight);

 	// Calculate the extent size taking into account scale

 	TInt targetWidth = (scale.iWidth * aInitial.Width());

 	TInt targetHeight = (scale.iHeight * aInitial.Height());

 	TSize targetSize(targetWidth,targetHeight);

 	aTarget.SetRect(targetXY,targetSize);

 	return err;

 	}

 /** Gets the size of the screen device area in pixels.

 This function always causes a flush of the window server buffer.

 @return The x and y dimensions of the screen device area, in pixels. 

 @see CGraphicsDevice::SizeInPixels() */

 TInt CWsScreenDevice::CScrDevExtension::GetCompositedSize(TSize& aSize) const

 	{

 	TPckgBuf<TSize> sizePkg;

   	TInt err = WriteReplyP(&sizePkg,EWsSdOpPixelSize);

   	aSize = sizePkg();

 	return err;

 	}

 /** Saves the entire screen to a bitmap.

 This function always causes a flush of the window server buffer.

 @param aBitmap Bitmap to be filled with the screen image. 

 @return KErrNone if successful, otherwise one of the system-wide error codes. */

 TInt CWsScreenDevice::CScrDevExtension::ComposeScreen(const CFbsBitmap& aBitmap) const

 	{

 	TInt bitmapHandle = aBitmap.Handle();

 	AddToBitmapArray(bitmapHandle);

 	TWsSdCmdCopyScreenToBitmap rectCompare(bitmapHandle);

 	return(WriteReply(&rectCompare,sizeof(rectCompare),EWsSdOpCopyScreenToBitmap));

 	}