graphicsapitest/graphicssvs/gdi/src/T_DataFont.cpp
author Faisal Memon <faisal.memon@nokia.com>
Fri, 25 Jun 2010 17:49:58 +0100
branchEGL_MERGE
changeset 105 158b2308cc08
parent 0 5d03bc08d59c
permissions -rw-r--r--
Fix def files so that the implementation agnostic interface definition has no non-standards defined entry points, and change the eglrefimpl specific implementation to place its private entry points high up in the ordinal order space in the implementation region, not the standards based entrypoints region.

/*
* Copyright (c) 2005-2009 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:
*
*/

/**
@test
@internalComponent

This contains CT_DataFont
*/

//	User includes
#include "T_DataFont.h"

//	Epoc includes
#include <gdi.h>

/*@{*/
///	Parameters
_LIT(KText,									"text");
_LIT(KWidthAvailable,						"width_available");
_LIT(KCalculateExcess,						"calculate_excess");
_LIT(KExpectedExcess,						"expected_excess");
_LIT(KExpectedResult,						"expected_result");
_LIT(KExpectedFont,							"expected_font");	
_LIT(KCharCode,								"char_code");
_LIT(KUid,									"uid");
_LIT(KMeasureTextOutput,					"measure_text_output");
_LIT(KMeasureTextInput,						"measure_text_input");

///	Commands
_LIT(KCmdFontCapitalAscent,					"FontCapitalAscent");
_LIT(KCmdFontMaxAscent,						"FontMaxAscent");
_LIT(KCmdFontStandardDescent,				"FontStandardDescent");
_LIT(KCmdFontMaxDescent,					"FontMaxDescent");
_LIT(KCmdFontLineGap,						"FontLineGap");
_LIT(KCmdFontMaxHeight,						"FontMaxHeight");
_LIT(KCmdTypeUid,							"TypeUid");
_LIT(KCmdHeightInPixels,					"HeightInPixels");
_LIT(KCmdAscentInPixels,					"AscentInPixels");
_LIT(KCmdDescentInPixels,					"DescentInPixels");
_LIT(KCmdCharWidthInPixels,					"CharWidthInPixels");
_LIT(KCmdTextCount,							"TextCount");
_LIT(KCmdMaxCharWidthInPixels,				"MaxCharWidthInPixels");
_LIT(KCmdMaxNormalCharWidthInPixels,		"MaxNormalCharWidthInPixels");
_LIT(KCmdFontSpecInTwips,					"FontSpecInTwips");
_LIT(KCmdWidthZeroInPixels,					"WidthZeroInPixels");
_LIT(KCmdBaselineOffsetInPixels,			"BaselineOffsetInPixels");
_LIT(KCmdGetCharacterData,					"GetCharacterData");
_LIT(KCmdMeasureText,						"MeasureText");
_LIT(KCmdExtendedFunction,					"ExtendedFunction");
_LIT(KCmdTextWidthInPixels,					"TextWidthInPixels");
/*@}*/

/**
* Constructor. First phase construction
*/
CT_DataFont::CT_DataFont()
:	CDataWrapperBase()
	{
	}

/**
* Process a command read from the ini file
*
* @param aDataWrapper	test step requiring command to be processed
* @param aCommand	the command to process
* @param aSection		the entry in the ini file requiring the command to be processed
*
* @return ETrue if the command is processed
*/
TBool CT_DataFont::DoCommandL(const TTEFFunction& aCommand, const TTEFSectionName& aSection, const TInt /*aAsyncErrorIndex*/)
	{
	TBool ret=ETrue;

	if (aCommand == KCmdFontCapitalAscent)
		{
		DoCmdFontCapitalAscent(aSection);
		}
	else if (aCommand == KCmdFontMaxAscent)
		{
		DoCmdFontMaxAscent(aSection);
		}
	else if (aCommand == KCmdFontStandardDescent)
		{
		DoCmdFontStandardDescent(aSection);
		}
	else if (aCommand == KCmdFontMaxDescent)
		{
		DoCmdFontMaxDescent(aSection);
		}
	else if (aCommand == KCmdFontLineGap)
		{
		DoCmdFontLineGap(aSection);
		}
	else if (aCommand == KCmdFontMaxHeight)
		{
		DoCmdFontMaxHeight(aSection);
		}
	else if (aCommand == KCmdTypeUid)
		{
		DoCmdTypeUid(aSection);
		}
	else if (aCommand == KCmdHeightInPixels)
		{
		DoCmdHeightInPixels(aSection);
		}
	else if (aCommand == KCmdAscentInPixels)
		{
		DoCmdAscentInPixels(aSection);
		}
	else if (aCommand == KCmdDescentInPixels)
		{
		DoCmdDescentInPixels(aSection);
		}
	else if (aCommand == KCmdCharWidthInPixels)
		{
		DoCmdCharWidthInPixels(aSection);
		}
	else if (aCommand == KCmdTextCount)
		{
		DoCmdTextCount(aSection);
		}
	else if (aCommand == KCmdMaxCharWidthInPixels)
		{
		DoCmdMaxCharWidthInPixels(aSection);
		}
	else if (aCommand == KCmdMaxNormalCharWidthInPixels)
		{
		DoCmdMaxNormalCharWidthInPixels(aSection);
		}
	else if (aCommand == KCmdFontSpecInTwips)
		{
		DoCmdFontSpecInTwips(aSection);
		}
	else if (aCommand == KCmdWidthZeroInPixels)
		{
		DoCmdWidthZeroInPixels(aSection);
		}
	else if (aCommand == KCmdBaselineOffsetInPixels)
		{
		DoCmdBaselineOffsetInPixels(aSection);
		}
	else if (aCommand == KCmdGetCharacterData)
		{
		DoCmdGetCharacterData(aSection);
		}
	else if (aCommand == KCmdMeasureText)
		{
		DoCmdMeasureTextL(aSection);
		}
	else if (aCommand == KCmdExtendedFunction)
		{
		DoCmdExtendedFunction(aSection);
		}
	else if (aCommand == KCmdTextWidthInPixels)
		{
		DoCmdTextWidthInPixels(aSection);
		}
	else
		{
		ret=EFalse;
		}

	return ret;
	}


////////////////// COMMANDS IMPLEMENTATION  ////////////////////////


/** Calls CFont::TextCount() */
void CT_DataFont::DoCmdTextCount(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::TextCount()"));
	// get text from parameters
	TPtrC	text;
	if ( !GetStringFromConfig(aSection, KText(), text) )
		{
		ERR_PRINTF2(_L("No %S"), &KText());
		SetBlockResult(EFail);
		}

	// get available width from parameters
	TInt	widthAvailable = 0;
	if(!GetIntFromConfig(aSection, KWidthAvailable(), widthAvailable))
		{
		ERR_PRINTF2(_L("No %S"), &KWidthAvailable());
		SetBlockResult(EFail);
		}

	// get if to use version of TextCount() that calculates excess from parameters
	TBool	calculateExcess = EFalse;
	GetBoolFromConfig(aSection, KCalculateExcess(), calculateExcess);

	// call TextCount()
	TInt	result = KErrNone;
	if ( calculateExcess )
		{
		TInt	excess = 0;
		result = GetFont()->TextCount(text, widthAvailable, excess);

		// get expected excess from parameters
		TInt	expectedExcess = 0;
		if ( GetIntFromConfig(aSection, KExpectedExcess(), expectedExcess) )
			{
			ERR_PRINTF1(_L("An expected excess should not be provided if calculate excess is set to false."));
			SetBlockResult(EFail);
			}
		}
	else
		{
		result = GetFont()->TextCount(text, widthAvailable);
		}

	// get expected result from parameters
	TInt	expectedResult = 0;
	if ( GetIntFromConfig(aSection, KExpectedResult(), expectedResult) )
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::TextWidthInPixels() */
void CT_DataFont::DoCmdTextWidthInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::TextWidthInPixels()"));
	// get text from parameters
	TPtrC	text;
	if (!GetStringFromConfig(aSection, KText(), text))
		{
		ERR_PRINTF2(_L("No %S"), &KText());
		SetBlockResult(EFail);
		}

	// call TextWidthInPixels()
	TInt	result = GetFont()->TextWidthInPixels(text);

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::CharWidthInPixels() */
void CT_DataFont::DoCmdCharWidthInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::CharWidthInPixels()"));
	// get character code from parameters
	TInt	charCode = 0;
	if(!GetIntFromConfig(aSection, KCharCode(), charCode))
		{
		ERR_PRINTF2(_L("No %S"), &KCharCode());
		SetBlockResult(EFail);
		}

	// call CharWidthInPixels()
	TInt	result = GetFont()->CharWidthInPixels(charCode);

	// get expected result from parameters
	TInt 	expectedResult = 0;
	if ( GetIntFromConfig(aSection, KExpectedResult(), expectedResult) )
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontCapitalAscent() */
void CT_DataFont::DoCmdFontCapitalAscent(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontCapitalAscent()"));
	// call FontCapitalAscent()
	TInt	result = GetFont()->FontCapitalAscent();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if ( GetIntFromConfig(aSection, KExpectedResult(), expectedResult) )
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontMaxAscent() */
void CT_DataFont::DoCmdFontMaxAscent(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontMaxAscent()"));
	// call FontMaxAscent()
	TInt	result = GetFont()->FontMaxAscent();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if ( GetIntFromConfig(aSection, KExpectedResult(), expectedResult) )
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontStandardDescent() */
void CT_DataFont::DoCmdFontStandardDescent(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontStandardDescent()"));
	// call FontStandardDescent()
	TInt	result = GetFont()->FontStandardDescent();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontMaxDescent() */
void CT_DataFont::DoCmdFontMaxDescent(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontMaxDescent()"));
	// call FontMaxDescent()
	TInt	result = GetFont()->FontMaxDescent();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontLineGap() */
void CT_DataFont::DoCmdFontLineGap(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontLineGap()"));
	// call FontLineGap()
	TInt	result = GetFont()->FontLineGap();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontMaxHeight() */
void CT_DataFont::DoCmdFontMaxHeight(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontMaxHeight()"));
	// call FontMaxHeight()
	TInt	result = GetFont()->FontMaxHeight();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::TypeUid() */
void CT_DataFont::DoCmdTypeUid(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::TypeUid()"));
	// call TypeUid()
	TUid	result = GetFont()->TypeUid();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != TUid::Uid(expectedResult))
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result.iUid);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::HeightInPixels() */
void CT_DataFont::DoCmdHeightInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::HeightInPixels()"));
	// call HeightInPixels()
	TInt	result = GetFont()->HeightInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::AscentInPixels() */
void CT_DataFont::DoCmdAscentInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::AscentInPixels()"));
	// call AscentInPixels()
	TInt	result = GetFont()->AscentInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::DescentInPixels() */
void CT_DataFont::DoCmdDescentInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::DescentInPixels()"));
	// call DescentInPixels()
	TInt	result = GetFont()->DescentInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::MaxCharWidthInPixels() */
void CT_DataFont::DoCmdMaxCharWidthInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::MaxCharWidthInPixels()"));
	// call MaxCharWidthInPixels()
	TInt	result = GetFont()->MaxCharWidthInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::MaxNormalCharWidthInPixels() */
void CT_DataFont::DoCmdMaxNormalCharWidthInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::MaxNormalCharWidthInPixels()"));
	// call MaxNormalCharWidthInPixels()
	TInt	result = GetFont()->MaxNormalCharWidthInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::FontSpecInTwips() */
void CT_DataFont::DoCmdFontSpecInTwips(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::FontSpecInTwips()"));

	// call FontSpecInTwips()
	TFontSpec	fontSpec=GetFont()->FontSpecInTwips();
	INFO_PRINTF3(_L("iName	%S, iHeight    %d"), &fontSpec.iTypeface.iName,fontSpec.iHeight);
	
	TFontSpec expectedFontSpec;
	if(GetFontSpecFromConfig(aSection, KExpectedFont(), expectedFontSpec))
		{
		// just check font name
		if( fontSpec.iTypeface.iName!=expectedFontSpec.iTypeface.iName)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected font: %S, actual font: %S"),
					&expectedFontSpec.iTypeface.iName, &fontSpec.iTypeface.iName);
			SetError(-1);			
			}
		}
	}


/** Calls CFont::WidthZeroInPixels() */
void CT_DataFont::DoCmdWidthZeroInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::WidthZeroInPixels()"));
	// call WidthZeroInPixels()
	TInt	result = GetFont()->WidthZeroInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::BaselineOffsetInPixels() */
void CT_DataFont::DoCmdBaselineOffsetInPixels(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::BaselineOffsetInPixels()"));
	// call BaselineOffsetInPixels()
	TInt	result = GetFont()->BaselineOffsetInPixels();

	// get expected result from parameters
	TInt	expectedResult = 0;
	if(GetIntFromConfig(aSection, KExpectedResult(), expectedResult))
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFont::GetCharacterData() */
void CT_DataFont::DoCmdGetCharacterData(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::GetCharacterData()"));
	// get character code from parameters
	TInt	charCode = 0;
	if(!GetIntFromConfig(aSection, KCharCode(), charCode))
		{
		ERR_PRINTF2(_L("No %S"), &KCharCode());
		SetBlockResult(EFail);
		}

	// call GetCharacterData()
	TUint								code = charCode;
	TOpenFontCharMetrics				metrics;
	const TUint8*						bitmapPointer;
	TSize								bitmapSize;
	CFont::TCharacterDataAvailability	ret=GetFont()->GetCharacterData(code, metrics, bitmapPointer, bitmapSize);
	INFO_PRINTF2(_L("CharacterDataAvailability %d"), ret);
	INFO_PRINTF2(_L("Height                    %d"), bitmapSize.iHeight);
	INFO_PRINTF2(_L("Width                     %d"), bitmapSize.iWidth);
	}


/** Calls CFont::ExtendedFunction() */
void CT_DataFont::DoCmdExtendedFunction(const TDesC& aSection)
	{
	INFO_PRINTF1(_L("Calls CFont::ExtendedFunction()"));
	// get function UID from parameters
	TInt	uidInt = 0;
	if(!GetHexFromConfig(aSection, KUid(), uidInt))
		{
		ERR_PRINTF2(_L("No %S"), &KUid());
		SetBlockResult(EFail);
		}

	// call ExtendedFunction()
	TInt	result=GetFont()->ExtendedFunction(TUid::Uid(uidInt), NULL);

	// get expected result from parameters
	TInt	expectedResult = 0;
	if ( GetIntFromConfig(aSection, KExpectedResult(), expectedResult) )
		{
		if (result != expectedResult)
			{
			ERR_PRINTF3(_L("The result is not as expected! expected: %d, actual: %d"), expectedResult, result);
			SetBlockResult(EFail);
			}
		}
	}


/** Calls CFbsFont::MeasureText() */
void CT_DataFont::DoCmdMeasureTextL(const TDesC& aSection)
	{
	CFont::TMeasureTextInput*	measureTextInputPointer = NULL;
	GetMeasureTextInputL(*this, KMeasureTextInput(), aSection, measureTextInputPointer);
	if ( measureTextInputPointer==NULL )
		{
		INFO_PRINTF1(_L("measureTextInputPointer NULL"));
		}

	CFont::TMeasureTextOutput*	measureTextOutputPointer = NULL;
	GetMeasureTextOutputL(*this, KMeasureTextOutput(), aSection, measureTextOutputPointer);
	if ( measureTextOutputPointer==NULL )
		{
		INFO_PRINTF1(_L("measureTextOutputPointer NULL"));
		}

	// get text from parameters
	TPtrC	text;
	if (!GetStringFromConfig(aSection, KText(), text))
		{
		ERR_PRINTF2(_L("No %S"), &KText());
		SetBlockResult(EFail);
		}
	else
		{
		TInt	width=GetFont()->MeasureText(text, measureTextInputPointer, measureTextOutputPointer);
		INFO_PRINTF2(_L("MeasureText %d"), width);
		}
	}


////////////////// UTIL METHODS ////////////////////////


/**
* Utility method that fetches TMeasureTextInput pointer by command parameter name from INI-file.
*/
TBool CT_DataFont::GetMeasureTextInputL(CDataWrapper& aDataWrapper, const TDesC& aParameterName, const TDesC& aSection, CFont::TMeasureTextInput*& aMeasureTextInput)
	{
	// get MeasureTextInputData object from parameters
	TPtrC	measureTextInputDataObjectName;
	TBool	ret=aDataWrapper.GetStringFromConfig(aSection, aParameterName, measureTextInputDataObjectName);
	if ( ret )
		{
		// check that the data object was found
		aMeasureTextInput=static_cast<CFont::TMeasureTextInput*>(aDataWrapper.GetDataObjectL(measureTextInputDataObjectName));
		}

	return ret;
	}


/**
* Utility method that fetches TMeasureTextOutput pointer by command parameter name from INI-file.
*/
TBool CT_DataFont::GetMeasureTextOutputL(CDataWrapper& aDataWrapper, const TDesC& aParameterName, const TDesC& aSection, CFont::TMeasureTextOutput*& aMeasureTextOutput)
	{
	// get MeasureTextOutputData object from parameters
	TPtrC	measureTextOutputDataObjectName;
	TBool	ret=aDataWrapper.GetStringFromConfig(aSection, aParameterName, measureTextOutputDataObjectName);
	if ( ret )
		{
		// check that the data object was found
		aMeasureTextOutput=static_cast<CFont::TMeasureTextOutput*>(aDataWrapper.GetDataObjectL(measureTextOutputDataObjectName));
		}

	return ret;
	}