--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnpresentationmodel/inc/hnattrimgprovfileimage.h Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,121 @@
+/*
+* Copyright (c) 2007-2008 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 provider for image file
+*
+*/
+
+
+#ifndef HNATTRIMGPROVFILEIMAGE_H_
+#define HNATTRIMGPROVFILEIMAGE_H_
+
+#include "hnattrimgprovider.h"
+
+class CImageDecoder;
+
+/**
+ * Image provider class for empty image.
+ * Image provider specialization that loads image
+ * from an image file path.
+ *
+ * @lib hnpresentationmodel
+ * @since S60 5.0
+ * @ingroup group_hnpresentationmodel
+ */
+NONSHARABLE_CLASS( CHnAttrImgProvFileImage ) : public CHnAttrImgProvider
+ {
+public:
+
+ /**
+ * Two-phase constructor.
+ *
+ * @since S60 5.0
+ * @param aFileName Image file name.
+ * @return Fully constructed object.
+ */
+ IMPORT_C static CHnAttrImgProvFileImage* NewL( const TDesC& aFileName );
+
+ /**
+ * Two-phase constructor.
+ *
+ * @since S60 5.0
+ * @param aFileName Image file name.
+ * @return Fully constructed object.
+ */
+ IMPORT_C static CHnAttrImgProvFileImage* NewLC( const TDesC& aFileName );
+
+ /**
+ * Virtual destructor.
+ *
+ * @since S60 5.0
+ */
+ virtual ~CHnAttrImgProvFileImage();
+
+// from base class CHnAttrImgProvider
+public:
+
+ /**
+ * Returns value.
+ *
+ * @return Value.
+ * @since S60 5.0
+ */
+ const TDesC8& Value();
+
+private:
+
+ /**
+ * Defualt constructor.
+ *
+ * @since S60 5.0
+ */
+ CHnAttrImgProvFileImage();
+
+ /**
+ * Standard symbian 2nd phase constructor.
+ *
+ * @since S60 5.0
+ * @param aFileName Image file name.
+ */
+ void ConstructL( const TDesC& aFileName );
+
+ /**
+ * Determines optimal size for a bitmap to store an image from file.
+ *
+ * The bitmap whose size is determindd by this method is supposed to
+ * be passed to CImageDecoder::Convert method.
+ * The size will be chosen so that the following two requirements are
+ * satisfied:
+ * 1. Bitmap size does not exceed the initial bitmap size passed in
+ * aBitmapSize.
+ * 2. CImageDecoder::Convert fills the whole bitmap with image data
+ * (there will be no empty space in the bitmap).
+ * Please note that the information about the size of the image in the
+ * file is accessible through the aImageDec object.
+ * @param aImageDec reference to a CImageDecoder object
+ * @param aBitmapSize maximal bitmap size, optimal bitmap size after
+ * execution
+ */
+ void CorrectBitmapSize( CImageDecoder& aImageDec, TSize& aBitmapSize );
+
+private: // data
+
+ /**
+ * Value
+ */
+ RBuf8 iValue;
+
+ };
+
+#endif // HNATTRIMGPROVFILEIMAGE_H_
+