--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/src/AknLayoutFont.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,180 @@
+/*
+* Copyright (c) 2004 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:  A scaleable font with layout API
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <w32std.h>
+#include "AknLayoutFont.h"
+#include <AknFontSpecification.h>
+#include <aknenv.h>
+#include "AknFontRegistry.h"
+
+// CONSTANTS
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+/**
+* C++ Constructor.
+*/
+CAknLayoutFont::CAknLayoutFont( CBitmapDevice& aScreenDevice ) : 
+    CFbsFont(), iScreenDevice(aScreenDevice)
+    {
+    Register();
+    }
+
+CAknLayoutFont::~CAknLayoutFont()
+    {
+    Deregister();
+    iScreenDevice.ReleaseFont(iNonDynamicFont);
+    }  
+
+
+EXPORT_C void CAknLayoutFont::Update()
+    {
+    CFbsFont* newNonDynamicFont = NULL;
+
+    // Ask concrete type for a font
+    TRAPD(err, newNonDynamicFont = SupplyFont());
+
+    if (err == KErrNone)
+        {
+        // Release the old 'real' font ...
+        iScreenDevice.ReleaseFont(iNonDynamicFont);
+
+        // Copy this new font into the current object 
+        iNonDynamicFont = newNonDynamicFont;
+        (void) Duplicate( iNonDynamicFont->Handle() );
+        }
+    }
+
+EXPORT_C TInt CAknLayoutFont::MaxAscent() const
+    {
+    return iExcessAscent + AscentInPixels();
+    }
+
+EXPORT_C TInt CAknLayoutFont::MaxDescent() const
+    {
+    return iExcessDescent + DescentInPixels();
+    }
+
+EXPORT_C TInt CAknLayoutFont::TextPaneTopToBaseline() const
+    {
+    return iTextPaneHeight - BaselineToTextPaneBottom();
+    }
+
+EXPORT_C TInt CAknLayoutFont::BaselineToTextPaneBottom() const
+    {
+    return ( iBottomShortfall + MaxDescent() );
+    }
+
+EXPORT_C TInt CAknLayoutFont::TextPaneHeight() const
+    {
+    return iTextPaneHeight;
+    }
+
+void CAknLayoutFont::SetExcessAscent( TInt aExcessAscent )
+    {
+    iExcessAscent = aExcessAscent;
+    }
+
+void CAknLayoutFont::SetExcessDescent( TInt aExcessDescent )
+    {
+    iExcessDescent = aExcessDescent;
+    }
+
+void CAknLayoutFont::SetBottomShortfall( TInt aBottomShortfall )
+    {
+    iBottomShortfall = aBottomShortfall;
+    }
+
+void CAknLayoutFont::SetTextPaneHeight( TInt aTextPaneHeight )
+    {
+    iTextPaneHeight = aTextPaneHeight;
+    }
+
+TInt CAknLayoutFont::AscentForCharacter( TChar aCharacter ) const
+    {
+    return DoAscentForCharacter( aCharacter );
+    }
+
+TInt CAknLayoutFont::DoAscentForCharacter( TChar /*aCharacter*/ ) const
+    {
+    // Default implementation. 
+    return AscentInPixels();
+    }
+
+EXPORT_C const CAknLayoutFont* CAknLayoutFont::AsCAknLayoutFontOrNull( const CFont* aFont )
+    {
+    const CAknLayoutFont* layoutFontOrNull = NULL;
+    if ( AVKONENV->FontRegistry().IsRegistered( aFont ) )
+        {
+        layoutFontOrNull = static_cast<const CAknLayoutFont*>( aFont );
+        }
+    return layoutFontOrNull;
+    }
+
+EXPORT_C TAknTextDecorationMetrics CAknLayoutFont::TextDecorationMetrics() const
+    {
+    return DoTextDecorationMetrics();
+    }
+
+EXPORT_C TAknFontSpecification CAknLayoutFont::FontSpecification() const
+    {
+    return DoFontSpecification();
+    }
+
+void CAknLayoutFont::Register()
+    {
+    AVKONENV->FontRegistry().RegisterFont( this );
+    }
+
+void CAknLayoutFont::Deregister()
+    {
+    AVKONENV->FontRegistry().DeRegisterFont( this );
+    }
+
+void CAknLayoutFont::CAknLayoutFont_Reserved_1()
+    {}
+
+EXPORT_C TAknFontCategory CAknLayoutFont::FontCategory() const
+    {
+    TAknFontSpecification spec = FontSpecification();
+    return spec.FontCategory();
+    }
+    
+TFontSpec CAknLayoutFont::DoFontSpecInTwips() const
+    {
+    // Implementation should be (prior to the iHeight patching at the end):
+    //    TFontSpec fontSpec = CFbsFont::DoFontSpecInTwips(); currently private
+    // So for now, have copied implementation from CFbsFont:
+    TFontSpec fontSpec;
+    if (!iHandle)
+        return fontSpec;
+    fontSpec = Address()->FontSpecInTwips();    
+    // Patch up the iHeight for the correct device's twips/pixel ratio
+    fontSpec.iHeight = iScreenDevice.VerticalPixelsToTwips( HeightInPixels() );   
+    return fontSpec;
+    }
+
+CBitmapDevice& CAknLayoutFont::BitmapDevice() const
+    {
+    return iScreenDevice;
+    }
+
+//  End of File
+