Avoid potential negative array index access to cached text.
[LibreOffice.git] / chart2 / source / tools / ColorPerPointHelper.cxx
blob04cc09cb44ec423d83691176baf9a47f6c6e7790
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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11 * Licensed to the Apache Software Foundation (ASF) under one or more
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14 * ownership. The ASF licenses this file to you under the Apache
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include <ColorPerPointHelper.hxx>
21 #include <DataSeries.hxx>
22 #include <DataSeriesProperties.hxx>
23 #include <com/sun/star/chart2/XDataSeries.hpp>
24 #include <com/sun/star/beans/XPropertyState.hpp>
26 #include <algorithm>
28 using namespace ::com::sun::star;
29 using namespace ::com::sun::star::chart2;
30 using namespace ::chart::DataSeriesProperties;
32 namespace chart
35 bool ColorPerPointHelper::hasPointOwnColor(
36 const rtl::Reference< DataSeries >& xDataSeries
37 , sal_Int32 nPointIndex
38 , const css::uno::Reference< css::beans::XPropertySet >& xDataPointProperties //may be NULL this is just for performance
41 if( !xDataSeries.is() )
42 return false;
44 if( hasPointOwnProperties( xDataSeries, nPointIndex ))
46 uno::Reference< beans::XPropertyState > xPointState( xDataPointProperties, uno::UNO_QUERY );
47 if( !xPointState.is() )
49 xPointState.set( xDataSeries->getDataPointByIndex( nPointIndex ), uno::UNO_QUERY );
51 if( !xPointState.is() )
52 return false;
54 return (xPointState->getPropertyState( "Color") != beans::PropertyState_DEFAULT_VALUE );
57 return false;
60 bool ColorPerPointHelper::hasPointOwnProperties(
61 const rtl::Reference< ::chart::DataSeries >& xDataSeries
62 , sal_Int32 nPointIndex )
64 if( xDataSeries.is() )
66 uno::Sequence< sal_Int32 > aIndexList;
67 if( xDataSeries->getFastPropertyValue( PROP_DATASERIES_ATTRIBUTED_DATA_POINTS ) >>= aIndexList ) // "AttributedDataPoints"
69 const sal_Int32 * pBegIt = aIndexList.getConstArray();
70 const sal_Int32 * pEndIt = pBegIt + aIndexList.getLength();
71 return ( std::find( pBegIt, pEndIt, nPointIndex ) != pEndIt );
75 return false;
78 } //namespace chart
80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */