1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/CLIENT/RBITMAP.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,140 @@
1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Shells for window server bitmap class
1.18 +// Note: Note: A pointer to CWsBitmap must have the same pointer value as a pointer
1.19 +// to the associated CFbsBitmap, otherwise code in BitGdi component will be
1.20 +// Broken.
1.21 +//
1.22 +//
1.23 +
1.24 +#include <e32std.h>
1.25 +#include "../SERVER/w32cmd.h"
1.26 +#include "CLIENT.H"
1.27 +
1.28 +
1.29 +EXPORT_C CWsBitmap::CWsBitmap()
1.30 +/** Default constructor. Developers should use the other constructor overload. */
1.31 + {
1.32 + }
1.33 +
1.34 +EXPORT_C CWsBitmap::CWsBitmap(RWsSession &aWs) : MWsClientClass(aWs.iBuffer)
1.35 +/** Constructor which takes a window server session as an argument.
1.36 +
1.37 +@param aWs Handle to window server session. */
1.38 + {
1.39 + }
1.40 +
1.41 +EXPORT_C CWsBitmap::~CWsBitmap()
1.42 +/** Destructor. */
1.43 + {
1.44 + Reset();
1.45 + }
1.46 +
1.47 +EXPORT_C void CWsBitmap::Reset()
1.48 +/** Releases the bitmap's handle from the font and bitmap server.
1.49 +
1.50 +The function also decrements the bitmap's access count in the font and bitmap
1.51 +server. The server-side bitmap is deleted only if the access count for the
1.52 +bitmap decrements to zero. */
1.53 + {
1.54 + if (iBuffer && iWsHandle)
1.55 + Write(EWsBitmapOpFree);
1.56 + iWsHandle=NULL;
1.57 + CFbsBitmap::Reset();
1.58 + }
1.59 +
1.60 +TInt CWsBitmap::createWsBitmap(TInt aErr)
1.61 + {
1.62 + if (aErr==KErrNone)
1.63 + {
1.64 + TWsClCmdCreateBitmap createBitmap;
1.65 + createBitmap.handle=Handle();
1.66 + TInt ret;
1.67 + if ((ret=iBuffer->WriteReplyWs(&createBitmap,sizeof(createBitmap),EWsClOpCreateBitmap))<0)
1.68 + {
1.69 + CFbsBitmap::Reset();
1.70 + aErr=ret;
1.71 + }
1.72 + else
1.73 + iWsHandle=ret;
1.74 + }
1.75 + return(aErr);
1.76 + }
1.77 +
1.78 +EXPORT_C TInt CWsBitmap::Create(const TSize& aSizeInPixels,TDisplayMode aDispMode)
1.79 +/** Creates a bitmap, specifying the size and display mode.
1.80 +
1.81 +This function, if successful, always causes a flush of the window server buffer.
1.82 +
1.83 +@param aSizeInPixels The size of the bitmap to be created.
1.84 +@param aDispMode The display-mode of the bitmap to be created.
1.85 +@return KErrNone if successful, KErrCouldNotConnect if no connection to the
1.86 +font and bitmap server could be made, KErrArgument if aSizeInPixels is illegal.
1.87 +@see CFbsBitmap::Create() */
1.88 + {
1.89 + Reset();
1.90 + return(createWsBitmap(CFbsBitmap::Create(aSizeInPixels,aDispMode)));
1.91 + }
1.92 +
1.93 +EXPORT_C TInt CWsBitmap::Duplicate(TInt aHandle)
1.94 +/** Makes this bitmap a duplicate of the specified bitmap.
1.95 +
1.96 +This function, if successful, always causes a flush of the window server buffer.
1.97 +
1.98 +@param aHandle The handle of the bitmap to be duplicated.
1.99 +@return KErrNone if successful, KErrCouldNotConnect if no connection to the
1.100 +font and bitmap server could be made, or KErrUnknown if no bitmap could be
1.101 +found whose handle is aHandle.
1.102 +@see CFbsBitmap::Duplicate() */
1.103 + {
1.104 + Reset();
1.105 + return(createWsBitmap(CFbsBitmap::Duplicate(aHandle)));
1.106 + }
1.107 +
1.108 +EXPORT_C TInt CWsBitmap::Load(const TDesC& aFileName,TInt32 aId,TBool aShareIfLoaded)
1.109 +/** Loads a bitmap from a file.
1.110 +
1.111 +If aShareIfLoaded is ETrue the bitmap will be allowed to be shared by a number
1.112 +of font and bitmap server clients.
1.113 +
1.114 +This function, if successful, always causes a flush of the window server buffer.
1.115 +
1.116 +@param aFileName The filename of the multibitmap (.mbm) file containing the
1.117 +bitmap to be loaded.
1.118 +@param aId The identifier of the bitmap in the .mbm file which should be loaded.
1.119 +@param aShareIfLoaded Specifies whether or not the loaded bitmap will be made
1.120 +available for sharing between font and bitmap server clients.
1.121 +@return KErrNone if successful, otherwise KErrCouldNotConnect, KErrEof, or
1.122 +an error specific to the font and bitmap server.
1.123 +@see CFbsBitmap::Load() */
1.124 + {
1.125 + Reset();
1.126 + return(createWsBitmap(CFbsBitmap::Load(aFileName,aId,aShareIfLoaded)));
1.127 + }
1.128 +
1.129 +EXPORT_C void CWsBitmap::InternalizeL(RReadStream& aStream)
1.130 +/** Internalises a CWsBitmap from the read stream.
1.131 +
1.132 +The presence of this function means that the standard templated operator>>()
1.133 +can be used to internalise objects of this class.
1.134 +
1.135 +This function always causes a flush of the window server buffer.
1.136 +
1.137 +@param aStream The stream from which to internalise the bitmap. */
1.138 + {
1.139 + Reset();
1.140 + CFbsBitmap::InternalizeL(aStream);
1.141 + User::LeaveIfError(createWsBitmap(KErrNone));
1.142 + }
1.143 +