epoc32/include/cdsb.h
branchSymbian3
changeset 4 837f303aceeb
parent 3 e1b950c65cb4
--- 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