idlehomescreen/xmluirendering/renderingplugins/xnbitmapfactory/inc/xnimagedecoder.h
branchRCL_3
changeset 26 1b758917cafc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/renderingplugins/xnbitmapfactory/inc/xnimagedecoder.h	Wed Jun 09 09:29:04 2010 +0300
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Image decoder
+*
+*/
+
+
+#ifndef _XNIMAGEDECODER_H
+#define _XNIMAGEDECODER_H
+
+// System includes
+#include <e32base.h>
+
+// User includes
+class CXnBitmapAdapter;
+class CFbsBitmap;
+class CImageDecoder;
+class RFs;
+
+// Forward declarations
+
+/**
+ * Image decoder
+ * 
+ * @ingroup group_xnbitmapfactory
+ * @lib xn3bitmapfactory.lib
+ * @since S60 5.2
+ */
+NONSHARABLE_CLASS( CXnImageDecoder ) : public CActive
+    {
+public:    
+    // Constructors and destructor
+    
+    /**
+     * Two-phased constructor.
+     */
+    static CXnImageDecoder* NewL( CXnBitmapAdapter& aAdapter, RFs& aFs );        
+
+    /**
+     * Two-phased constructor. Leaving on stack
+     */
+    static CXnImageDecoder* NewLC( CXnBitmapAdapter& aAdapter, RFs& aFs );         
+
+    /**
+     * Destructor
+     */
+    ~CXnImageDecoder();
+
+private:
+    // private constructors
+
+    /**
+     * Leaving constructor
+     */
+    void ConstructL();
+    
+    /**
+     * C++ default constructor
+     */
+    CXnImageDecoder( CXnBitmapAdapter& aAdapter, RFs& aFs );         
+        
+private:
+    // from CActive
+    
+    /**
+     * @see CActive
+     */
+    void RunL();
+
+    /**
+     * @see CActive
+     */    
+    TInt RunError( TInt aError );
+    
+    /**
+     * @see CActive
+     */    
+    void DoCancel();
+    
+public: 
+    // new functions
+    
+    /**
+     * Starts decode.
+     * 
+     * @param aFile Image file
+     */
+    void DecodeL( TFileName& aFilename );
+            
+private:
+    // new functions
+    
+    void Cleanup();
+    
+private:
+    // data
+
+    /** Bitmapadapter, not owned */
+    CXnBitmapAdapter& iAdapter; 
+    /** File server session, not owned */
+    RFs& iFs;
+    /** Image decoder, owned */
+    CImageDecoder* iDecoder;
+    /** Bitmap, owned during conversion */
+    CFbsBitmap* iBitmap;
+    /** Mask, owned during conversion */
+    CFbsBitmap* iMask;    
+    };
+
+#endif // _XNIMAGEDECODER_H
+
+// End of file