1 // Copyright (c) 1996-2009 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".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
14 // Shells for window server bitmap class
15 // Note: Note: A pointer to CWsBitmap must have the same pointer value as a pointer
16 // to the associated CFbsBitmap, otherwise code in BitGdi component will be
22 #include "../SERVER/w32cmd.h"
26 EXPORT_C CWsBitmap::CWsBitmap()
27 /** Default constructor. Developers should use the other constructor overload. */
31 EXPORT_C CWsBitmap::CWsBitmap(RWsSession &aWs) : MWsClientClass(aWs.iBuffer)
32 /** Constructor which takes a window server session as an argument.
34 @param aWs Handle to window server session. */
38 EXPORT_C CWsBitmap::~CWsBitmap()
44 EXPORT_C void CWsBitmap::Reset()
45 /** Releases the bitmap's handle from the font and bitmap server.
47 The function also decrements the bitmap's access count in the font and bitmap
48 server. The server-side bitmap is deleted only if the access count for the
49 bitmap decrements to zero. */
51 if (iBuffer && iWsHandle)
52 Write(EWsBitmapOpFree);
57 TInt CWsBitmap::createWsBitmap(TInt aErr)
61 TWsClCmdCreateBitmap createBitmap;
62 createBitmap.handle=Handle();
64 if ((ret=iBuffer->WriteReplyWs(&createBitmap,sizeof(createBitmap),EWsClOpCreateBitmap))<0)
75 EXPORT_C TInt CWsBitmap::Create(const TSize& aSizeInPixels,TDisplayMode aDispMode)
76 /** Creates a bitmap, specifying the size and display mode.
78 This function, if successful, always causes a flush of the window server buffer.
80 @param aSizeInPixels The size of the bitmap to be created.
81 @param aDispMode The display-mode of the bitmap to be created.
82 @return KErrNone if successful, KErrCouldNotConnect if no connection to the
83 font and bitmap server could be made, KErrArgument if aSizeInPixels is illegal.
84 @see CFbsBitmap::Create() */
87 return(createWsBitmap(CFbsBitmap::Create(aSizeInPixels,aDispMode)));
90 EXPORT_C TInt CWsBitmap::Duplicate(TInt aHandle)
91 /** Makes this bitmap a duplicate of the specified bitmap.
93 This function, if successful, always causes a flush of the window server buffer.
95 @param aHandle The handle of the bitmap to be duplicated.
96 @return KErrNone if successful, KErrCouldNotConnect if no connection to the
97 font and bitmap server could be made, or KErrUnknown if no bitmap could be
98 found whose handle is aHandle.
99 @see CFbsBitmap::Duplicate() */
102 return(createWsBitmap(CFbsBitmap::Duplicate(aHandle)));
105 EXPORT_C TInt CWsBitmap::Load(const TDesC& aFileName,TInt32 aId,TBool aShareIfLoaded)
106 /** Loads a bitmap from a file.
108 If aShareIfLoaded is ETrue the bitmap will be allowed to be shared by a number
109 of font and bitmap server clients.
111 This function, if successful, always causes a flush of the window server buffer.
113 @param aFileName The filename of the multibitmap (.mbm) file containing the
115 @param aId The identifier of the bitmap in the .mbm file which should be loaded.
116 @param aShareIfLoaded Specifies whether or not the loaded bitmap will be made
117 available for sharing between font and bitmap server clients.
118 @return KErrNone if successful, otherwise KErrCouldNotConnect, KErrEof, or
119 an error specific to the font and bitmap server.
120 @see CFbsBitmap::Load() */
123 return(createWsBitmap(CFbsBitmap::Load(aFileName,aId,aShareIfLoaded)));
126 EXPORT_C void CWsBitmap::InternalizeL(RReadStream& aStream)
127 /** Internalises a CWsBitmap from the read stream.
129 The presence of this function means that the standard templated operator>>()
130 can be used to internalise objects of this class.
132 This function always causes a flush of the window server buffer.
134 @param aStream The stream from which to internalise the bitmap. */
137 CFbsBitmap::InternalizeL(aStream);
138 User::LeaveIfError(createWsBitmap(KErrNone));