--- a/epoc32/include/cdsb.h Wed Mar 31 12:27:01 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
-// All rights reserved.
-// This component and the accompanying materials are made available
-// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
-// which accompanies this distribution, and is available
-// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
-//
-// Initial Contributors:
-// Nokia Corporation - initial contribution.
-//
-// Contributors:
-//
-// Description:
-//
-
-#ifndef __CDSB_H__
-#define __CDSB_H__
-
-#include <e32base.h>
-#include <bitdev.h>
-
-/**
-Direct Screen Bitmap.
-API to allow provide synchronisation of the display of images with the
-displays refresh to prevent tearing.
-
-This is an abstract base class, so must be derived from on a per-variant basis.
-
-@internalComponent
-*/
-class CDirectScreenBitmap : public CBase
- {
-public:
- enum TSettingsFlags
- {
- ENone = 0,
- EDoubleBuffer = 1,
- EIncrementalUpdate = 2
- };
-
-public:
- /**
- Constructs a CDirectScreenBitmap derived object.
- The default screen (with number 0) will be used.
- @return A pointer to the created CDirectScreenBitmap object
- @leave KErrNoMemory There was insufficient memory to allocate the CDirectScreenBitmap derived object
- */
- IMPORT_C static CDirectScreenBitmap* NewL();
-
- /**
- Constructs a CDirectScreenBitmap derived object.
- @param aScreenNo Screen number, used by the CDirectScreenBitmap object.
- @return A pointer to the created CDirectScreenBitmap object
- @leave KErrNoMemory There was insufficient memory to allocate the CDirectScreenBitmap derived object
- */
- IMPORT_C static CDirectScreenBitmap* NewL(TInt aScreenNo);
-
- /**
- Creates a CDirectScreenBitmap object which can be used for drawing to
- a region of the screen indicated by aScreenRect. This region must have
- previously been 'claimed' via the Window Servers Direct Screen Access API.
-
- @param aScreenRect The region to be displayed
- @param aSettingsFlags The mode of operation. The upper 3 bits are used
- for the screen number value: 0..7. By default the screen
- with number 0 will be used.
- @return KErrNone if successful
- KErrNoMemory if there was insufficient memory
- KErrNotSupported if the creation failed for other reasons
- */
- virtual TInt Create(const TRect& aScreenRect, TSettingsFlags aSettingsFlags) =0;
-
- /**
- Returns a TAcceleratedBitmapInfo referring to a bitmap which the
- applicationcan render to.
-
- @param aBitmapInfo The Bitmap
- @return KErrNone if successful, another error code otherwise
- */
- virtual TInt BeginUpdate(TAcceleratedBitmapInfo& aBitmapInfo) =0;
-
- /**
- Indicates to the Video Driver that the bitmap corresponding to the
- update has been fully rendered. The video driver will perform
- the actions required to copy this to the frame buffer.
-
- The request status aComplete will be signalled when the copying has completed.
-
- @param aComplete Asynchronous completion status
- */
- virtual void EndUpdate(TRequestStatus& aComplete) =0;
-
- /**
- Indicates to the Video Driver that the area indicated in aScreenRect has
- been fully rendered. The video driver will perform the actions required
- to copy this to the frame buffer.
-
- The request status aComplete will be signalled when the copying has completed.
-
- Note: aScreenRects coordinates are relative to the screen, not the update region specified
- in Create(). aScreenRect must fit entirely within the bounds of the original region passed
- to Create().
-
- @param aScreenRect The region to update
- @param aComplete Asynchronous completion status
- */
- virtual void EndUpdate(const TRect& aScreenRect, TRequestStatus& aComplete) =0;
-
- /**
- Deletes all resources associated with the CDirectScreenBitmap object.
- */
- virtual void Close() =0;
- };
-
-#endif