1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Abstract base class from which all shapers drive.

    16 *

    17 */

    18 

    19 

    20 /**

    21  @file 

    22  @internalComponent

    23 */

    24 

    25 // Symbian includes

    26 #include <openfont.h>

    27 

    28 // ICU includes 

    29 #include "LETypes.h"

    30 #include "LayoutEngine.h"

    31 #include "SymbianFontInstance.h"

    32 #include "IcuLayoutEngine.h"

    33 #include <ecom/ecom.h>

    34 #include <ecom/implementationproxy.h>

    35 

    36 

    37 class CIcuShaperFactory: public CShaperFactory

    38 	{

    39 public:

    40 	static CIcuShaperFactory* NewL();

    41 	virtual ~CIcuShaperFactory();

    42 

    43    /**

    44 	Factory function to create an instance of shaper object

    45     @param aBitmapFont The font that requires shaping

    46     @param aScript Isic standard script code

    47     @param aLanguage Isic standard language code

    48     @param aHeap The heap to be used by the shaper

    49     @return KErrNone if successful else a system wide error code

    50     */

    51 	virtual CShaper* NewShaperL(CBitmapFont* aBitmapFont, TInt aScript, TInt aLanguage, RHeap* aHeap);

    52 

    53 private:

    54 	CIcuShaperFactory();

    55 

    56 	};

    57 

    58 

    59 CIcuShaperFactory* CIcuShaperFactory::NewL()

    60 	{

    61 	CIcuShaperFactory* r = new(ELeave) CIcuShaperFactory;

    62 	return r;

    63 	}

    64 

    65 CIcuShaperFactory::CIcuShaperFactory()

    66 	{

    67 	}

    68 

    69 CIcuShaperFactory::~CIcuShaperFactory()

    70 	{

    71 	

    72 	}

    73 

    74 

    75 CShaper* CIcuShaperFactory::NewShaperL(CBitmapFont* aBitmapFont, TInt aScript, TInt aLanguage, RHeap* aHeap)

    76 	{

    77 	return CIcuLayoutEngine::NewL(aBitmapFont, aScript, aLanguage, aHeap);

    78 	} 

    79 

    80 void* CShaperFactory::ExtendedInterface(TUid /*aInterfaceId*/)

    81 	{

    82 	return 0;

    83 	}

    84 

    85 // Exported proxy for instantiation method resolution

    86 // Define the interface UIDs

    87 const TImplementationProxy ImplementationTable[] = 

    88 	{

    89 		IMPLEMENTATION_PROXY_ENTRY(0x10279727,	CIcuShaperFactory::NewL)

    90 	};

    91 

    92 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    93 	{

    94 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    95 

    96 	return ImplementationTable;

    97 	}