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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include "shadwhdl.hxx"
#include <com/sun/star/uno/Any.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/table/ShadowFormat.hpp>
#include <o3tl/safeint.hxx>
#include <tools/color.hxx>
#include <sax/tools/converter.hxx>
#include <xmloff/xmluconv.hxx>
#include <xmloff/xmltoken.hxx>
using namespace ::com::sun::star;
using namespace ::xmloff::token;
XMLShadowPropHdl::~XMLShadowPropHdl()
{
// nothing to do
}
bool XMLShadowPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
bool bRet = false;
table::ShadowFormat aShadow;
aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;
bool bColorFound = false;
bool bOffsetFound = false;
SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
Color aColor( 128,128, 128 );
std::u16string_view aToken;
while( aTokenEnum.getNextToken( aToken ) )
{
if( IsXMLToken( aToken, XML_NONE ) )
{
aShadow.Location = table::ShadowLocation_NONE;
bRet = true;
break;
}
else if( !bColorFound && aToken.substr(0,1) == u"#" )
{
bRet = ::sax::Converter::convertColor( aColor, aToken );
if( !bRet )
return false;
bColorFound = true;
}
else if( !bOffsetFound )
{
sal_Int32 nX = 0, nY = 0;
bRet = rUnitConverter.convertMeasureToCore( nX, aToken );
if( bRet && aTokenEnum.getNextToken( aToken ) )
bRet = rUnitConverter.convertMeasureToCore( nY, aToken );
if( bRet )
{
if( nX < 0 )
{
if( nY < 0 )
aShadow.Location = table::ShadowLocation_TOP_LEFT;
else
aShadow.Location = table::ShadowLocation_BOTTOM_LEFT;
}
else
{
if( nY < 0 )
aShadow.Location = table::ShadowLocation_TOP_RIGHT;
else
aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;
}
if (nX < 0)
nX = o3tl::saturating_toggle_sign(nX);
if (nY < 0)
nY = o3tl::saturating_toggle_sign(nY);
sal_Int32 nWidth;
bRet = !o3tl::checked_add(nX, nY, nWidth);
if (bRet)
aShadow.ShadowWidth = sal::static_int_cast<sal_Int16>(nWidth >> 1);
}
}
}
if( bRet && ( bColorFound || bOffsetFound ) )
{
aShadow.IsTransparent = aColor.IsTransparent();
aShadow.Color = sal_Int32(aColor);
bRet = true;
}
rValue <<= aShadow;
return bRet;
}
bool XMLShadowPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
{
bool bRet = false;
table::ShadowFormat aShadow;
if( rValue >>= aShadow )
{
sal_Int32 nX = 1, nY = 1;
switch( aShadow.Location )
{
case table::ShadowLocation_TOP_LEFT:
nX = -1;
nY = -1;
break;
case table::ShadowLocation_TOP_RIGHT:
nY = -1;
break;
case table::ShadowLocation_BOTTOM_LEFT:
nX = -1;
break;
case table::ShadowLocation_BOTTOM_RIGHT:
break;
case table::ShadowLocation_NONE:
default:
rStrExpValue = GetXMLToken(XML_NONE);
return true;
}
nX *= aShadow.ShadowWidth;
nY *= aShadow.ShadowWidth;
OUStringBuffer aOut;
::sax::Converter::convertColor( aOut, aShadow.Color );
aOut.append( ' ' );
rUnitConverter.convertMeasureToXML( aOut, nX );
aOut.append( ' ' );
rUnitConverter.convertMeasureToXML( aOut, nY );
rStrExpValue = aOut.makeStringAndClear();
bRet = true;
}
return bRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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