INTEGRATION: CWS chart17 (1.1.2); FILE ADDED
2007/10/23 16:51:19 bm 1.1.2.3: #i82891# no scaling means automatically linear 2007/10/23 15:02:36 bm 1.1.2.2: #i82891# improve rendering of regression curves using XRegressionCurveCalculator::getCurveValues() 2007/10/12 12:32:34 bm 1.1.2.1: #i7998# equations for regression curves
This commit is contained in:
Ivo Hinkelmann
parent
72e2310c9d
commit
1dde033c88
1 changed files with 176 additions and 0 deletions
176
chart2/source/tools/RegressionCurveCalculator.cxx
Normal file
176
chart2/source/tools/RegressionCurveCalculator.cxx
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
/*************************************************************************
|
||||
*
|
||||
* OpenOffice.org - a multi-platform office productivity suite
|
||||
*
|
||||
* $RCSfile: RegressionCurveCalculator.cxx,v $
|
||||
*
|
||||
* $Revision: 1.2 $
|
||||
*
|
||||
* last change: $Author: ihi $ $Date: 2007-11-23 12:07:14 $
|
||||
*
|
||||
* The Contents of this file are made available subject to
|
||||
* the terms of GNU Lesser General Public License Version 2.1.
|
||||
*
|
||||
*
|
||||
* GNU Lesser General Public License Version 2.1
|
||||
* =============================================
|
||||
* Copyright 2005 by Sun Microsystems, Inc.
|
||||
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License version 2.1, as published by the Free Software Foundation.
|
||||
*
|
||||
* This library 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 for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
// MARKER(update_precomp.py): autogen include statement, do not remove
|
||||
#include "precompiled_chart2.hxx"
|
||||
|
||||
#include "RegressionCurveCalculator.hxx"
|
||||
#include "RegressionCalculationHelper.hxx"
|
||||
#include "servicenames_coosystems.hxx"
|
||||
|
||||
#include <comphelper/processfactory.hxx>
|
||||
#include <rtl/math.hxx>
|
||||
|
||||
#include <com/sun/star/lang/XServiceName.hpp>
|
||||
|
||||
using namespace ::com::sun::star;
|
||||
|
||||
using ::com::sun::star::uno::Reference;
|
||||
using ::com::sun::star::uno::Sequence;
|
||||
using ::rtl::OUString;
|
||||
|
||||
namespace chart
|
||||
{
|
||||
|
||||
RegressionCurveCalculator::RegressionCurveCalculator() :
|
||||
m_fCorrelationCoeffitient( 0.0 )
|
||||
{
|
||||
::rtl::math::setNan( & m_fCorrelationCoeffitient );
|
||||
}
|
||||
|
||||
RegressionCurveCalculator::~RegressionCurveCalculator()
|
||||
{}
|
||||
|
||||
// static
|
||||
bool RegressionCurveCalculator::isLinearScaling(
|
||||
const Reference< chart2::XScaling > & xScaling )
|
||||
{
|
||||
// no scaling means linear
|
||||
if( !xScaling.is())
|
||||
return true;
|
||||
static OUString aLinScalingServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LinearScaling" ));
|
||||
uno::Reference< lang::XServiceName > xServiceName( xScaling, uno::UNO_QUERY );
|
||||
return (xServiceName.is() && xServiceName->getServiceName().equals( aLinScalingServiceName ));
|
||||
}
|
||||
|
||||
// static
|
||||
bool RegressionCurveCalculator::isLogarithmicScaling(
|
||||
const Reference< chart2::XScaling > & xScaling )
|
||||
{
|
||||
static OUString aLogScalingServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.chart2.LogarithmicScaling" ));
|
||||
uno::Reference< lang::XServiceName > xServiceName( xScaling, uno::UNO_QUERY );
|
||||
return (xServiceName.is() && xServiceName->getServiceName().equals( aLogScalingServiceName ));
|
||||
}
|
||||
|
||||
|
||||
OUString RegressionCurveCalculator::getFormattedString(
|
||||
const Reference< util::XNumberFormatter >& xNumFormatter,
|
||||
::sal_Int32 nNumberFormatKey,
|
||||
double fNumber ) const
|
||||
{
|
||||
OUString aResult;
|
||||
|
||||
if( xNumFormatter.is())
|
||||
aResult = xNumFormatter->convertNumberToString( nNumberFormatKey, fNumber );
|
||||
else
|
||||
aResult = NUMBER_TO_STR( fNumber );
|
||||
|
||||
return aResult;
|
||||
}
|
||||
|
||||
Sequence< geometry::RealPoint2D > SAL_CALL RegressionCurveCalculator::getCurveValues(
|
||||
double min, double max, ::sal_Int32 nPointCount,
|
||||
const Reference< chart2::XScaling >& xScalingX,
|
||||
const Reference< chart2::XScaling >& /* xScalingY */,
|
||||
::sal_Bool /* bMaySkipPointsInCalculation */ )
|
||||
throw (lang::IllegalArgumentException,
|
||||
uno::RuntimeException)
|
||||
{
|
||||
if( nPointCount < 2 )
|
||||
throw lang::IllegalArgumentException();
|
||||
|
||||
// determine if scaling and inverse scaling for x-values work
|
||||
bool bDoXScaling( xScalingX.is());
|
||||
uno::Reference< chart2::XScaling > xInverseScaling;
|
||||
if( bDoXScaling )
|
||||
xInverseScaling.set( xScalingX->getInverseScaling());
|
||||
bDoXScaling = bDoXScaling && xInverseScaling.is();
|
||||
|
||||
Sequence< geometry::RealPoint2D > aResult( nPointCount );
|
||||
|
||||
double fMin( min );
|
||||
double fFact = (max - min) / double(nPointCount-1);
|
||||
if( bDoXScaling )
|
||||
{
|
||||
fMin = xScalingX->doScaling( min );
|
||||
fFact = (xScalingX->doScaling( max ) - fMin) / double(nPointCount-1);
|
||||
}
|
||||
|
||||
for(sal_Int32 nP=0; nP<nPointCount; nP++)
|
||||
{
|
||||
double x = fMin + nP * fFact;
|
||||
if( bDoXScaling )
|
||||
x = xInverseScaling->doScaling( x );
|
||||
aResult[nP].X = x;
|
||||
aResult[nP].Y = this->getCurveValue( x );
|
||||
}
|
||||
|
||||
return aResult;
|
||||
}
|
||||
|
||||
double SAL_CALL RegressionCurveCalculator::getCorrelationCoefficient()
|
||||
throw (uno::RuntimeException)
|
||||
{
|
||||
return m_fCorrelationCoeffitient;
|
||||
}
|
||||
|
||||
OUString SAL_CALL RegressionCurveCalculator::getRepresentation()
|
||||
throw (uno::RuntimeException)
|
||||
{
|
||||
return ImplGetRepresentation( Reference< util::XNumberFormatter >(), 0 );
|
||||
}
|
||||
|
||||
OUString SAL_CALL RegressionCurveCalculator::getFormattedRepresentation(
|
||||
const Reference< util::XNumberFormatsSupplier > & xNumFmtSupplier,
|
||||
::sal_Int32 nNumberFormatKey )
|
||||
throw (uno::RuntimeException)
|
||||
{
|
||||
// create and prepare a number formatter
|
||||
if( !xNumFmtSupplier.is())
|
||||
return getRepresentation();
|
||||
Reference< util::XNumberFormatter > xNumFormatter;
|
||||
Reference< lang::XMultiServiceFactory > xFact( comphelper::getProcessServiceFactory(), uno::UNO_QUERY );
|
||||
if( xFact.is())
|
||||
xNumFormatter.set( xFact->createInstance(
|
||||
OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.util.NumberFormatter"))), uno::UNO_QUERY );
|
||||
if( !xNumFormatter.is())
|
||||
return getRepresentation();
|
||||
xNumFormatter->attachNumberFormatsSupplier( xNumFmtSupplier );
|
||||
|
||||
return ImplGetRepresentation( xNumFormatter, nNumberFormatKey );
|
||||
}
|
||||
|
||||
|
||||
} // namespace chart
|
||||
Loading…
Reference in a new issue