886957b2aa
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.
274 lines
8.1 KiB
C++
274 lines
8.1 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: Scaling.cxx,v $
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* $Revision: 1.8 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_chart2.hxx"
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#include "Scaling.hxx"
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#include <rtl/math.hxx>
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#include "com/sun/star/uno/RuntimeException.hpp"
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namespace
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{
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static const ::rtl::OUString lcl_aServiceName_Logarithmic(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LogarithmicScaling" ));
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static const ::rtl::OUString lcl_aServiceName_Exponential(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.ExponentialScaling" ));
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static const ::rtl::OUString lcl_aServiceName_Linear(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LinearScaling" ));
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static const ::rtl::OUString lcl_aServiceName_Power(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.PowerScaling" ));
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static const ::rtl::OUString lcl_aImplementationName_Logarithmic(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LogarithmicScaling" ));
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static const ::rtl::OUString lcl_aImplementationName_Exponential(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.ExponentialScaling" ));
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static const ::rtl::OUString lcl_aImplementationName_Linear(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.LinearScaling" ));
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static const ::rtl::OUString lcl_aImplementationName_Power(
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RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.chart2.PowerScaling" ));
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}
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//.............................................................................
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namespace chart
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{
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//.............................................................................
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::chart2;
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LogarithmicScaling::LogarithmicScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
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m_fBase( 10.0 ),
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m_fLogOfBase( log( 10.0 ) ),
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m_xContext( xContext )
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{
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}
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LogarithmicScaling::LogarithmicScaling( double fBase ) :
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m_fBase( fBase ),
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m_fLogOfBase( log( fBase ) )
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{
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}
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LogarithmicScaling::~LogarithmicScaling()
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{
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}
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double SAL_CALL
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LogarithmicScaling::doScaling( double value )
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throw (uno::RuntimeException)
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{
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double fResult;
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if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
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::rtl::math::setNan( & fResult );
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else
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fResult = log( value ) / m_fLogOfBase;
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return fResult;
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}
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uno::Reference< XScaling > SAL_CALL
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LogarithmicScaling::getInverseScaling()
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throw (uno::RuntimeException)
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{
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return new ExponentialScaling( m_fBase );
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}
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::rtl::OUString SAL_CALL
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LogarithmicScaling::getServiceName()
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throw (uno::RuntimeException)
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{
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return lcl_aServiceName_Logarithmic;
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}
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uno::Sequence< ::rtl::OUString > LogarithmicScaling::getSupportedServiceNames_Static()
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{
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return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Logarithmic, 1 );
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}
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// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
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APPHELPER_XSERVICEINFO_IMPL( LogarithmicScaling, lcl_aServiceName_Logarithmic )
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// ----------------------------------------
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ExponentialScaling::ExponentialScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
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m_fBase( 10.0 ),
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m_xContext( xContext )
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{
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}
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ExponentialScaling::ExponentialScaling( double fBase ) :
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m_fBase( fBase )
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{
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}
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ExponentialScaling::~ExponentialScaling()
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{
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}
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double SAL_CALL
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ExponentialScaling::doScaling( double value )
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throw (uno::RuntimeException)
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{
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double fResult;
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if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
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::rtl::math::setNan( & fResult );
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else
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fResult = pow( m_fBase, value );
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return fResult;
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}
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uno::Reference< XScaling > SAL_CALL
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ExponentialScaling::getInverseScaling()
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throw (uno::RuntimeException)
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{
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return new LogarithmicScaling( m_fBase );
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}
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::rtl::OUString SAL_CALL
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ExponentialScaling::getServiceName()
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throw (uno::RuntimeException)
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{
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return lcl_aServiceName_Exponential;
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}
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uno::Sequence< ::rtl::OUString > ExponentialScaling::getSupportedServiceNames_Static()
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{
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return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Exponential, 1 );
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}
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// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
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APPHELPER_XSERVICEINFO_IMPL( ExponentialScaling, lcl_aServiceName_Exponential )
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// ----------------------------------------
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LinearScaling::LinearScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
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m_fSlope( 1.0 ),
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m_fOffset( 0.0 ),
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m_xContext( xContext )
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{}
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LinearScaling::LinearScaling( double fSlope, double fOffset ) :
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m_fSlope( fSlope ),
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m_fOffset( fOffset )
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{}
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LinearScaling::~LinearScaling()
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{}
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double SAL_CALL LinearScaling::doScaling( double value )
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throw (uno::RuntimeException)
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{
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double fResult;
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if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
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::rtl::math::setNan( & fResult );
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else
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fResult = m_fOffset + m_fSlope * value;
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return fResult;
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}
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uno::Reference< XScaling > SAL_CALL
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LinearScaling::getInverseScaling()
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throw (uno::RuntimeException)
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{
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// ToDo: ApproxEqual ?
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if( m_fSlope == 0 )
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throw uno::RuntimeException();
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return new LinearScaling( 1.0 / m_fSlope, m_fOffset / m_fSlope );
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}
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::rtl::OUString SAL_CALL
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LinearScaling::getServiceName()
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throw (uno::RuntimeException)
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{
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return lcl_aServiceName_Linear;
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}
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uno::Sequence< ::rtl::OUString > LinearScaling::getSupportedServiceNames_Static()
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{
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return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Linear, 1 );
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}
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// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
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APPHELPER_XSERVICEINFO_IMPL( LinearScaling, lcl_aServiceName_Linear )
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// ----------------------------------------
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PowerScaling::PowerScaling( const uno::Reference< uno::XComponentContext > & xContext ) :
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m_fExponent( 10.0 ),
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m_xContext( xContext )
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{}
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PowerScaling::PowerScaling( double fExponent ) :
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m_fExponent( fExponent )
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{}
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PowerScaling::~PowerScaling()
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{}
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double SAL_CALL PowerScaling::doScaling( double value )
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throw (uno::RuntimeException)
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{
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double fResult;
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if( ::rtl::math::isNan( value ) || ::rtl::math::isInf( value ) )
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::rtl::math::setNan( & fResult );
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else
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fResult = pow( value, m_fExponent );
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return fResult;
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}
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uno::Reference< XScaling > SAL_CALL
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PowerScaling::getInverseScaling()
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throw (uno::RuntimeException)
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{
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// ToDo: ApproxEqual ?
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if( m_fExponent == 0 )
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throw uno::RuntimeException();
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return new PowerScaling( 1.0 / m_fExponent );
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}
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::rtl::OUString SAL_CALL
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PowerScaling::getServiceName()
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throw (uno::RuntimeException)
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{
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return lcl_aServiceName_Power;
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}
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uno::Sequence< ::rtl::OUString > PowerScaling::getSupportedServiceNames_Static()
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{
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return uno::Sequence< ::rtl::OUString >( & lcl_aServiceName_Power, 1 );
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}
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// implement XServiceInfo methods basing upon getSupportedServiceNames_Static
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APPHELPER_XSERVICEINFO_IMPL( PowerScaling, lcl_aServiceName_Power )
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//.............................................................................
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} //namespace chart
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//.............................................................................
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