1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "scrdevextension.h"

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

    18 #include <graphics/displaycontrolbase.h>

    19 #include "CLIENT.H"

    20 #include "w32comm.h"

    21 

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

    23 	{

    24 	iWsHandle=aWsHandle;

    25 	__ASSERT_DEBUG(aBuffer,Panic(EW32PanicBadClientInterface));

    26 	__ASSERT_DEBUG(aWsHandle,Panic(EW32PanicBadClientInterface));

    27 	}

    28 

    29 CWsScreenDevice::CScrDevExtension::~CScrDevExtension()

    30 	{

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

    32 	}

    33 /** Interface Extension capability

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

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

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

    37  *	@param  aInterfaceId	uniqueid or well known id of interface

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

    39  **/

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

    41 	{

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

    43 	__ASSERT_DEBUG(iBuffer,Panic(EW32PanicBadClientInterface));

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

    45 	

    46 	switch (aInterfaceId)

    47 		{

    48 		case MTestScreenCapture::ETypeId:

    49 			{

    50 				return static_cast<MTestScreenCapture*>(this);

    51 			}

    52 		default:

    53 			break;

    54 		}

    55 	return NULL;

    56 }

    57 //Accessor to typeface store instance

    58 CFbsTypefaceStore* CWsScreenDevice::CScrDevExtension::TypefaceStore()

    59 	{

    60 	return iTypefaceStore;

    61 	}

    62 //Accessor to typeface store instance

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

    64 	{

    65 	iTypefaceStore=aTypeFaceStore;

    66 	}

    67 

    68 

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

    70 	{

    71   	// Current screen mode scale

    72 	TPckgBuf<TSize> pntPkg;

    73 	TInt err = WriteReplyP(&pntPkg,EWsSdOpGetCurrentScreenModeScale);

    74 	TSize scale = pntPkg();	

    75 	

    76 	// Current screen mode offset

    77 	TPckgBuf<TPoint> soPkg;

    78 	err = WriteReplyP(&soPkg,EWsSdOpGetCurrentScreenModeScaledOrigin);

    79 	TPoint offset = soPkg();

    80 	

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

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

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

    84 	TPoint targetXY(startingPointWidth,startingPointHeight);

    85 	

    86 	// Calculate the extent size taking into account scale

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

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

    89 	TSize targetSize(targetWidth,targetHeight);

    90 	

    91 	aTarget.SetRect(targetXY,targetSize);

    92 	return err;

    93 	}

    94 

    95 

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

    97 

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

    99 

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

   101 @see CGraphicsDevice::SizeInPixels() */

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

   103 	{

   104 	TPckgBuf<TSize> sizePkg;

   105   	TInt err = WriteReplyP(&sizePkg,EWsSdOpPixelSize);

   106   	aSize = sizePkg();

   107 	return err;

   108 	}

   109 

   110 

   111 

   112 /** Saves the entire screen to a bitmap.

   113 

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

   115 

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

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

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

   119 	{

   120 	TInt bitmapHandle = aBitmap.Handle();

   121 	AddToBitmapArray(bitmapHandle);

   122 	TWsSdCmdCopyScreenToBitmap rectCompare(bitmapHandle);

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

   124 	}