office-gobmx/chart2/source/tools/Scaling.cxx
Rüdiger Timm 886957b2aa INTEGRATION: CWS changefileheader (1.7.126); FILE MERGED
2008/04/01 15:04:24 thb 1.7.126.3: #i85898# Stripping all external header guards
2008/04/01 10:50:38 thb 1.7.126.2: #i85898# Stripping all external header guards
2008/03/28 16:44:25 rt 1.7.126.1: #i87441# Change license header to LPGL v3.
2008-04-10 21:18:49 +00:00

274 lines
8.1 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: Scaling.cxx,v $
* $Revision: 1.8 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_chart2.hxx"
#include "Scaling.hxx"
#include <rtl/math.hxx>
#include "com/sun/star/uno/RuntimeException.hpp"
namespace
{
static const ::rtl::OUString lcl_aServiceName_Logarithmic(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LogarithmicScaling" ));
static const ::rtl::OUString lcl_aServiceName_Exponential(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.ExponentialScaling" ));
static const ::rtl::OUString lcl_aServiceName_Linear(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LinearScaling" ));
static const ::rtl::OUString lcl_aServiceName_Power(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.PowerScaling" ));
static const ::rtl::OUString lcl_aImplementationName_Logarithmic(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LogarithmicScaling" ));
static const ::rtl::OUString lcl_aImplementationName_Exponential(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.ExponentialScaling" ));
static const ::rtl::OUString lcl_aImplementationName_Linear(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LinearScaling" ));
static const ::rtl::OUString lcl_aImplementationName_Power(
RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.PowerScaling" ));
}
//.............................................................................
namespace chart
{
//.............................................................................
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
LogarithmicScaling::LogarithmicScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
m_fBase( 10.0 ),
m_fLogOfBase( log( 10.0 ) ),
m_xContext( xContext )
{
}
LogarithmicScaling::LogarithmicScaling( double fBase ) :
m_fBase( fBase ),
m_fLogOfBase( log( fBase ) )
{
}
LogarithmicScaling::~LogarithmicScaling()
{
}
double SAL_CALL
LogarithmicScaling::doScaling( double value )
throw (uno::RuntimeException)
{
double fResult;
if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
::rtl::math::setNan( & fResult );
else
fResult = log( value ) / m_fLogOfBase;
return fResult;
}
uno::Reference< XScaling > SAL_CALL
LogarithmicScaling::getInverseScaling()
throw (uno::RuntimeException)
{
return new ExponentialScaling( m_fBase );
}
::rtl::OUString SAL_CALL
LogarithmicScaling::getServiceName()
throw (uno::RuntimeException)
{
return lcl_aServiceName_Logarithmic;
}
uno::Sequence< ::rtl::OUString > LogarithmicScaling::getSupportedServiceNames_Static()
{
return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Logarithmic, 1 );
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( LogarithmicScaling, lcl_aServiceName_Logarithmic )
// ----------------------------------------
ExponentialScaling::ExponentialScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
m_fBase( 10.0 ),
m_xContext( xContext )
{
}
ExponentialScaling::ExponentialScaling( double fBase ) :
m_fBase( fBase )
{
}
ExponentialScaling::~ExponentialScaling()
{
}
double SAL_CALL
ExponentialScaling::doScaling( double value )
throw (uno::RuntimeException)
{
double fResult;
if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
::rtl::math::setNan( & fResult );
else
fResult = pow( m_fBase, value );
return fResult;
}
uno::Reference< XScaling > SAL_CALL
ExponentialScaling::getInverseScaling()
throw (uno::RuntimeException)
{
return new LogarithmicScaling( m_fBase );
}
::rtl::OUString SAL_CALL
ExponentialScaling::getServiceName()
throw (uno::RuntimeException)
{
return lcl_aServiceName_Exponential;
}
uno::Sequence< ::rtl::OUString > ExponentialScaling::getSupportedServiceNames_Static()
{
return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Exponential, 1 );
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( ExponentialScaling, lcl_aServiceName_Exponential )
// ----------------------------------------
LinearScaling::LinearScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
m_fSlope( 1.0 ),
m_fOffset( 0.0 ),
m_xContext( xContext )
{}
LinearScaling::LinearScaling( double fSlope, double fOffset ) :
m_fSlope( fSlope ),
m_fOffset( fOffset )
{}
LinearScaling::~LinearScaling()
{}
double SAL_CALL LinearScaling::doScaling( double value )
throw (uno::RuntimeException)
{
double fResult;
if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
::rtl::math::setNan( & fResult );
else
fResult = m_fOffset + m_fSlope * value;
return fResult;
}
uno::Reference< XScaling > SAL_CALL
LinearScaling::getInverseScaling()
throw (uno::RuntimeException)
{
// ToDo: ApproxEqual ?
if( m_fSlope == 0 )
throw uno::RuntimeException();
return new LinearScaling( 1.0 / m_fSlope, m_fOffset / m_fSlope );
}
::rtl::OUString SAL_CALL
LinearScaling::getServiceName()
throw (uno::RuntimeException)
{
return lcl_aServiceName_Linear;
}
uno::Sequence< ::rtl::OUString > LinearScaling::getSupportedServiceNames_Static()
{
return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Linear, 1 );
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( LinearScaling, lcl_aServiceName_Linear )
// ----------------------------------------
PowerScaling::PowerScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
m_fExponent( 10.0 ),
m_xContext( xContext )
{}
PowerScaling::PowerScaling( double fExponent ) :
m_fExponent( fExponent )
{}
PowerScaling::~PowerScaling()
{}
double SAL_CALL PowerScaling::doScaling( double value )
throw (uno::RuntimeException)
{
double fResult;
if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
::rtl::math::setNan( & fResult );
else
fResult = pow( value, m_fExponent );
return fResult;
}
uno::Reference< XScaling > SAL_CALL
PowerScaling::getInverseScaling()
throw (uno::RuntimeException)
{
// ToDo: ApproxEqual ?
if( m_fExponent == 0 )
throw uno::RuntimeException();
return new PowerScaling( 1.0 / m_fExponent );
}
::rtl::OUString SAL_CALL
PowerScaling::getServiceName()
throw (uno::RuntimeException)
{
return lcl_aServiceName_Power;
}
uno::Sequence< ::rtl::OUString > PowerScaling::getSupportedServiceNames_Static()
{
return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Power, 1 );
}
// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
APPHELPER_XSERVICEINFO_IMPL( PowerScaling, lcl_aServiceName_Power )
//.............................................................................
} //namespace chart
//.............................................................................