/*

* 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:  Series 60 layout font constructed from a font id.

*

*/

// INCLUDE FILES

#include <eikdef.h>

#include <eikenv.h>

#include <aknenv.h>

#include "AknFontIdLayoutFont.h"

#include <AknFontSpecification.h>

#include <CdlEngine.h>

#include <AknFontProvider.h>

#include <AknFontProviderSuppliedMetrics.h>

#include <AknFontId.h>

// CONSTANTS

// ============================ MEMBER FUNCTIONS ===============================

EXPORT_C CAknFontIdLayoutFont* CAknFontIdLayoutFont::NewL( 

    CWsScreenDevice& aScreenDevice, 

    TInt aFontId )

    {

	CAknFontIdLayoutFont* self = new (ELeave) CAknFontIdLayoutFont( aScreenDevice, aFontId);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(); //self

	return self;

    }

CAknFontIdLayoutFont::~CAknFontIdLayoutFont()

    {

    }

void CAknFontIdLayoutFont::ConstructL()

    {

    CAknLayoutFont::Update();

    }

/** 

* Implementation of the framework method for this class

*

*/

CFbsFont* CAknFontIdLayoutFont::SupplyFont ()

    {

    TAknFontProviderSuppliedMetrics info;

    CFbsFont* font(0);

    // Need to check if CDL is initialized if the font is not encoded

    TInt fontId;

    if ( TAknFontId::IsEncodedFont(iFontId) || CdlEngine::IsCdlEngineCreated() )

        {

        fontId = iFontId;

        }

    else

        {

        // Fall-back in case of no initialization whatsoever. Use the special fontid for this purpose

        fontId = TAknFontId::FontIdForStartupNormalFont();

        }

    TAknFontSpecification spec( fontId );

    // Use Font provisioning;

    font = AknFontProvider::CreateFontFromMetrics( BitmapDevice(), fontId, spec, info, iFontProviderId );

    SetTextPaneHeight( spec.TextPaneHeight() );

    SetExcessAscent( info.ExcessAscent() );

    SetExcessDescent( info.ExcessDescent() );

    SetBottomShortfall( info.MaxDescentToTextPaneBottom() );

    return font;

    }

TAknTextDecorationMetrics CAknFontIdLayoutFont::DoTextDecorationMetrics() const

    {

    return TAknTextDecorationMetrics( iFontId );

    }

TAknFontSpecification CAknFontIdLayoutFont::DoFontSpecification() const

    {

    return TAknFontSpecification( iFontId );

    }

EXPORT_C TInt CAknFontIdLayoutFont::FontId() const

    { return iFontId;}

EXPORT_C void CAknFontIdLayoutFont::UpdateId( TInt aFontId )

    {

    iFontId = aFontId;

    Update();

    };

TInt CAknFontIdLayoutFont::DoAscentForCharacter( TChar aCharacter ) const

    {

    TInt ascent = AscentInPixels();

    if ( AknFontProvider::HasBaselineCorrection( iFontProviderId ) )

        {

        TInt baselineLift;

        TInt denominatorIfFractional;

        TInt err = AknFontProvider::BaselineDeltaForCharacter( iFontProviderId, 

                                                     aCharacter, 

                                                     baselineLift, 

                                                     denominatorIfFractional );

        if ( err == KErrNone )

            {

            if ( denominatorIfFractional > 0)

                {

                ascent -= ( baselineLift * ascent ) / denominatorIfFractional;

                }

            else

                {

                ascent -= baselineLift;

                }

            }

        }

    return ascent;

    }

/**

* C++ Constructor.

*/

CAknFontIdLayoutFont::CAknFontIdLayoutFont( CWsScreenDevice& aScreenDevice, TInt aFontId ) : 

    CAknLayoutFont(aScreenDevice), iFontId(aFontId)

    {}

void CAknFontIdLayoutFont::Reserved_1()

    {}

//  End of File