svgtopt/SVG/SVGEngine/src/SvgBitmapFontProvider.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 16:53:18 +0300
branchRCL_3
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Revision: 201013 Kit: 201015
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  SVG Implementation header file
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 *
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*/
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#include "SvgBitmapFontProvider.h"
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// ---------------------------------------------------------------------------
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// Two phase constructor for this class
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// 
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// ---------------------------------------------------------------------------
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CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewL( const TFontSpec& aFontSpec )
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    {
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    CSvgBitmapFontProvider* self = NewLC( aFontSpec );
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    CleanupStack::Pop();
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    return self;
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    }
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// --------------------------------------------------------------------------
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// CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewLC()
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// ---------------------------------------------------------------------------
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CSvgBitmapFontProvider* CSvgBitmapFontProvider::NewLC( const TFontSpec& aFontSpec )
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    {
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    CSvgBitmapFontProvider* self  = new ( ELeave ) CSvgBitmapFontProvider( aFontSpec );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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//----------------------------------------------------------------------------
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// First Step of two phase construction for this class
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//----------------------------------------------------------------------------
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CSvgBitmapFontProvider::CSvgBitmapFontProvider( const TFontSpec& aFontSpec ):
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                                                          iTypeFaceStore(NULL),
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                                                          iFontSpec(aFontSpec)
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	{
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	}
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// --------------------------------------------------------------------------
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// CSvgBitmapFontProvider::ConstructL()
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// ---------------------------------------------------------------------------
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void CSvgBitmapFontProvider::ConstructL()
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    {
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    	iTypeFaceStore = CFbsTypefaceStore::NewL(NULL);
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    }
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// --------------------------------------------------------------------------
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// CSvgBitmapFontProvider::ConstructL()
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// ---------------------------------------------------------------------------
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CSvgBitmapFontProvider::~CSvgBitmapFontProvider()
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	{
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			delete iTypeFaceStore ;				
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	}
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// --------------------------------------------------------------------------
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// CSvgBitmapFontProvider::ReleaseFont(CFont* aFont)
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// ---------------------------------------------------------------------------
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void CSvgBitmapFontProvider::ReleaseFont(CFont* aFont)
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{
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	iTypeFaceStore->ReleaseFont(aFont);
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}
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// --------------------------------------------------------------------------
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// CSvgBitmapFontProvider::GetNearestFontToDesignHeightInTwips(CFont* aFont, TFontSpec aFontSpec)
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// ---------------------------------------------------------------------------
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TInt CSvgBitmapFontProvider::GetNearestFontToDesignHeightInTwips(CFont*& aFont, TFontSpec aFontSpec)
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{
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    TName fontTypefaceName(aFontSpec.iTypeface.iName);
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	TInt matchLength = fontTypefaceName.Length();                                
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    TInt typefaceCount = iTypeFaceStore->NumTypefaces();
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    TTypefaceSupport typefaceSupport;
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    TInt i;
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    for(i=0; i<typefaceCount; i++)
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        {
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        iTypeFaceStore->TypefaceSupport(typefaceSupport, i);
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        TInt findResult = typefaceSupport.iTypeface.iName.Find(fontTypefaceName.Ptr(), matchLength);
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        if(!findResult)
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            {
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            fontTypefaceName = typefaceSupport.iTypeface.iName;
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            break;
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            }
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        }
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    //If the element typeface couldn't find && didn't set the typeface name.
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    if(( i == typefaceCount) && (iFontSpec.iTypeface.iName.Length()))
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        {
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        fontTypefaceName = iFontSpec.iTypeface.iName;
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        }
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    aFontSpec.iTypeface.iName = fontTypefaceName;        
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	return iTypeFaceStore->GetNearestFontToDesignHeightInTwips(aFont, aFontSpec);
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}
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