office-gobmx/chart2/source/tools/RelativeSizeHelper.cxx
2011-03-29 21:39:42 +01:00

101 lines
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_chart2.hxx"
#include "RelativeSizeHelper.hxx"
#include "macros.hxx"
#include <vector>
#include <algorithm>
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::beans;
using namespace ::std;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::uno::Exception;
using ::rtl::OUString;
namespace chart
{
double RelativeSizeHelper::calculate(
double fValue,
const Size & rOldReferenceSize,
const Size & rNewReferenceSize )
{
if( rOldReferenceSize.Width <= 0 ||
rOldReferenceSize.Height <= 0 )
return fValue;
return min(
static_cast< double >( rNewReferenceSize.Width ) / static_cast< double >( rOldReferenceSize.Width ),
static_cast< double >( rNewReferenceSize.Height ) / static_cast< double >( rOldReferenceSize.Height ))
* fValue;
}
void RelativeSizeHelper::adaptFontSizes(
const Reference< XPropertySet > & xTargetProperties,
const Size & rOldReferenceSize,
const Size & rNewReferenceSize )
{
if( ! xTargetProperties.is())
return;
float fFontHeight = 0;
vector< OUString > aProperties;
aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeight" )));
aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightAsian" )));
aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightComplex" )));
for( vector< OUString >::const_iterator aIt = aProperties.begin();
aIt != aProperties.end(); ++aIt )
{
try
{
if( xTargetProperties->getPropertyValue( *aIt ) >>= fFontHeight )
{
xTargetProperties->setPropertyValue(
*aIt,
makeAny( static_cast< float >(
calculate( fFontHeight, rOldReferenceSize, rNewReferenceSize ))));
}
}
catch( const Exception & ex )
{
ASSERT_EXCEPTION( ex );
}
}
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */