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path: root/xmloff/source/style/XMLClipPropertyHandler.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.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmloff.hxx"
#include "XMLClipPropertyHandler.hxx"
#include <com/sun/star/uno/Any.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/text/GraphicCrop.hpp>
#include <xmloff/xmluconv.hxx>
#include <xmloff/xmltoken.hxx>

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

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

///////////////////////////////////////////////////////////////////////////////
//
// class XMLMeasurePropHdl
//

XMLClipPropertyHandler::XMLClipPropertyHandler( sal_Bool bODF11 ) :
    m_bODF11( bODF11 )
{
}

XMLClipPropertyHandler::~XMLClipPropertyHandler()
{
    // nothing to do
}

bool XMLClipPropertyHandler::equals(
        const Any& r1,
        const Any& r2 ) const
{
    GraphicCrop aCrop1, aCrop2;
    r1 >>= aCrop1;
    r2 >>= aCrop2;

    return aCrop1.Top == aCrop2.Top &&
           aCrop1.Bottom == aCrop2.Bottom &&
           aCrop1.Left == aCrop2.Left &&
           aCrop1.Right == aCrop2.Right;
}

sal_Bool XMLClipPropertyHandler::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
    sal_Bool bRet = sal_False;
    sal_Int32 nLen = rStrImpValue.getLength();
    if( nLen > 6 &&
        0 == rStrImpValue.compareTo( GetXMLToken(XML_RECT), 4 ) &&
        rStrImpValue[4] == '(' &&
        rStrImpValue[nLen-1] == ')' )
    {
        GraphicCrop aCrop;
        OUString sTmp( rStrImpValue.copy( 5, nLen-6 ) );

        sal_Bool bHasComma = sTmp.indexOf( ',' ) != -1;
        SvXMLTokenEnumerator aTokenEnum( sTmp, bHasComma ? ',' : ' ' );

        sal_uInt16 nPos = 0;
        OUString aToken;
        while( aTokenEnum.getNextToken( aToken ) )
        {
            sal_Int32 nVal = 0;
            if( !IsXMLToken(aToken, XML_AUTO) &&
                 !rUnitConverter.convertMeasure( nVal, aToken ) )
                break;

            switch( nPos )
            {
            case 0: aCrop.Top = nVal;   break;
            case 1: aCrop.Right = nVal; break;
            case 2: aCrop.Bottom = nVal;    break;
            case 3: aCrop.Left = nVal;  break;
            }
            nPos++;
        }

        bRet = (4 == nPos );
        if( bRet )
            rValue <<= aCrop;
    }

    return bRet;
}

sal_Bool XMLClipPropertyHandler::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
    sal_Bool bRet = sal_False;
      OUStringBuffer aOut(30);
    GraphicCrop aCrop;

    if( rValue >>= aCrop )
    {
        aOut.append( GetXMLToken(XML_RECT) );
        aOut.append( (sal_Unicode)'(' );
        rUnitConverter.convertMeasure( aOut, aCrop.Top );
        if( !m_bODF11 )
            aOut.append( (sal_Unicode)',' );
        aOut.append( (sal_Unicode)' ' );
        rUnitConverter.convertMeasure( aOut, aCrop.Right );
        if( !m_bODF11 )
            aOut.append( (sal_Unicode)',' );
        aOut.append( (sal_Unicode)' ' );
        rUnitConverter.convertMeasure( aOut, aCrop.Bottom );
        if( !m_bODF11 )
            aOut.append( (sal_Unicode)',' );
        aOut.append( (sal_Unicode)' ' );
        rUnitConverter.convertMeasure( aOut, aCrop.Left );
        aOut.append( (sal_Unicode)')' );
        rStrExpValue = aOut.makeStringAndClear();

        bRet = sal_True;
    }

    return bRet;
}