AOO410/main/xmloff/source/style/weighhdl.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include <weighhdl.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmluconv.hxx>
#include <tools/fontenum.hxx>
#include <tools/solar.h>

#ifndef _INC_LIMITS
#include <limits.h>
#endif
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>

#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/awt/FontWeight.hpp>

using ::rtl::OUString;
using ::rtl::OUStringBuffer;

using namespace ::com::sun::star::uno;
using namespace ::xmloff::token;

struct FontWeightMapper
{
	float fWeight;
	sal_uInt16 nValue;
};

FontWeightMapper const aFontWeightMap[] =	
{
	{ ::com::sun::star::awt::FontWeight::DONTKNOW,				0 },
	{ ::com::sun::star::awt::FontWeight::THIN,					100 },
	{ ::com::sun::star::awt::FontWeight::ULTRALIGHT,			150 },
	{ ::com::sun::star::awt::FontWeight::LIGHT,					250 },
	{ ::com::sun::star::awt::FontWeight::SEMILIGHT,				350 },
	{ ::com::sun::star::awt::FontWeight::NORMAL,				400 },
	{ ::com::sun::star::awt::FontWeight::NORMAL,				450 },
	{ ::com::sun::star::awt::FontWeight::SEMIBOLD,				600 },
	{ ::com::sun::star::awt::FontWeight::BOLD,					700 },
	{ ::com::sun::star::awt::FontWeight::ULTRABOLD,				800 },
	{ ::com::sun::star::awt::FontWeight::BLACK,					900 },
	{ ::com::sun::star::awt::FontWeight::DONTKNOW,			   1000 }
};

///////////////////////////////////////////////////////////////////////////////
//
// class XMLFmtBreakBeforePropHdl
//

XMLFontWeightPropHdl::~XMLFontWeightPropHdl()
{
	// Nothing to do
}

sal_Bool XMLFontWeightPropHdl::importXML( const OUString& rStrImpValue, Any& rValue, const SvXMLUnitConverter& ) const
{ 
	sal_Bool bRet = sal_False;
	sal_uInt16 nWeight = 0;

	if( IsXMLToken( rStrImpValue, XML_WEIGHT_NORMAL ) )
	{
		nWeight = 400;
		bRet = sal_True;
	}
	else if( IsXMLToken( rStrImpValue, XML_WEIGHT_BOLD ) )
	{
		nWeight = 700;
		bRet = sal_True;
	}
	else
	{
		sal_Int32 nTemp;
        bRet = SvXMLUnitConverter::convertNumber( nTemp, rStrImpValue, 100, 900 );
		if( bRet )
			nWeight = sal::static_int_cast< sal_uInt16 >(nTemp);
	}

	if( bRet )
	{
		bRet = sal_False;
		static int nCount = sizeof(aFontWeightMap)/sizeof(FontWeightMapper);
        for (int i = 0; i < (nCount-1); ++i)
		{
			if( (nWeight >= aFontWeightMap[i].nValue) && (nWeight <= aFontWeightMap[i+1].nValue) )
			{
				sal_uInt16 nDiff1 = nWeight - aFontWeightMap[i].nValue;
				sal_uInt16 nDiff2 = aFontWeightMap[i+1].nValue - nWeight;

				if( nDiff1 < nDiff2 )
					rValue <<= aFontWeightMap[i].fWeight;
				else
					rValue <<= aFontWeightMap[i+1].fWeight;

				bRet = sal_True;
				break;
			}
		}
	}

	return bRet; 
}

sal_Bool XMLFontWeightPropHdl::exportXML( OUString& rStrExpValue, const Any& rValue, const SvXMLUnitConverter& ) const
{ 
	sal_Bool bRet = sal_False;

	float fValue = float();
	if( !( rValue >>= fValue ) )
	{
		sal_Int32 nValue = 0;
		if( rValue >>= nValue )
		{
			fValue = (float)nValue;
			bRet = sal_True;
		}
	}
	else
		bRet = sal_True;

	if( bRet )
	{
		sal_uInt16 nWeight = 0;
		static int nCount = sizeof(aFontWeightMap)/sizeof(FontWeightMapper);
		for( int i=0; i<nCount; i++ )
		{
			if( fValue <= aFontWeightMap[i].fWeight )
			{
				 nWeight = aFontWeightMap[i].nValue;
				 break;
			}
		}

		OUStringBuffer aOut;

		if( 400 == nWeight )
			aOut.append( GetXMLToken(XML_WEIGHT_NORMAL) );
		else if( 700 == nWeight )
			aOut.append( GetXMLToken(XML_WEIGHT_BOLD) );
		else
			SvXMLUnitConverter::convertNumber( aOut, (sal_Int32)nWeight );

		rStrExpValue = aOut.makeStringAndClear();
	}

	return bRet;
}