1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// 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()
{}
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 ));
}
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
|
