    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     *
     * This file incorporates work covered by the following license notice:
     *
     *   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 .
     */

    #include <VLegendSymbolFactory.hxx>
    #include <PropertyMapper.hxx>
    #include <ShapeFactory.hxx>
    #include <ObjectIdentifier.hxx>
    #include <com/sun/star/drawing/LineStyle.hpp>
    #include <com/sun/star/drawing/Position3D.hpp>
    #include <com/sun/star/chart2/Symbol.hpp>
    #include <com/sun/star/drawing/XShapes.hpp>
    #include <com/sun/star/drawing/Direction3D.hpp>
    #include <com/sun/star/beans/XPropertySet.hpp>
    #include <tools/diagnose_ex.h>
    #include <sal/log.hxx>

    using namespace ::com::sun::star;
    using ::com::sun::star::uno::Reference;

    namespace
    {

    void getPropNamesAndValues( const Reference< beans::XPropertySet >& xProp,
            ::chart::tNameSequence& rNames,
            ::chart::tAnySequence& rValues,
            ::chart::VLegendSymbolFactory::PropertyType ePropertyType,
            const awt::Size& aMaxSymbolExtent)
    {
        const ::chart::tPropertyNameMap & aFilledSeriesNameMap( ::chart::PropertyMapper::getPropertyNameMapForFilledSeriesProperties());
        const ::chart::tPropertyNameMap & aLineSeriesNameMap( ::chart::PropertyMapper::getPropertyNameMapForLineSeriesProperties());
        const ::chart::tPropertyNameMap & aLineNameMap( ::chart::PropertyMapper::getPropertyNameMapForLineProperties());

        ::chart::tPropertyNameValueMap aValueMap;
        switch( ePropertyType )
        {
            case ::chart::VLegendSymbolFactory::PropertyType::FilledSeries:
                ::chart::PropertyMapper::getValueMap( aValueMap, aFilledSeriesNameMap, xProp );
                break;
            case ::chart::VLegendSymbolFactory::PropertyType::LineSeries:
                ::chart::PropertyMapper::getValueMap( aValueMap, aLineSeriesNameMap, xProp );
                break;
            case ::chart::VLegendSymbolFactory::PropertyType::Line:
                ::chart::PropertyMapper::getValueMap( aValueMap, aLineNameMap, xProp );
                break;
        }

        ::chart::PropertyMapper::getMultiPropertyListsFromValueMap( rNames, rValues, aValueMap );

        uno::Any* pLineWidthAny = ::chart::PropertyMapper::getValuePointer(rValues,rNames,"LineWidth");
        sal_Int32 nLineWidth = 0;
        if( pLineWidthAny && (*pLineWidthAny>>=nLineWidth) )
        {
            // use legend entry height as upper limit for line width
            sal_Int32 nMaxLineWidthForLegend = aMaxSymbolExtent.Height;
            if( nLineWidth>nMaxLineWidthForLegend )
                *pLineWidthAny <<= nMaxLineWidthForLegend;
        }
    }

    void lcl_setPropertiesToShape(
        const Reference< beans::XPropertySet > & xProp,
        const Reference< drawing::XShape > & xShape,
        ::chart::VLegendSymbolFactory::PropertyType ePropertyType,
        const awt::Size& aMaxSymbolExtent)
    {
        ::chart::tNameSequence aPropNames;
        ::chart::tAnySequence aPropValues;
        getPropNamesAndValues( xProp, aPropNames, aPropValues,
                ePropertyType, aMaxSymbolExtent );

        Reference< beans::XPropertySet > xShapeProp( xShape, uno::UNO_QUERY );
        ::chart::PropertyMapper::setMultiProperties( aPropNames, aPropValues, xShapeProp );
    }

    } // anonymous namespace

    namespace chart
    {

    Reference< drawing::XShape > VLegendSymbolFactory::createSymbol(
        const awt::Size& rEntryKeyAspectRatio,
        const Reference< drawing::XShapes >& rSymbolContainer,
        LegendSymbolStyle eStyle,
        const Reference< lang::XMultiServiceFactory > & xShapeFactory,
        const Reference< beans::XPropertySet > & xLegendEntryProperties,
        PropertyType ePropertyType, const uno::Any& rExplicitSymbol )
    {
        Reference< drawing::XShape > xResult;

        if( ! (rSymbolContainer.is() && xShapeFactory.is()))
            return xResult;

        ShapeFactory* pShapeFactory = ShapeFactory::getOrCreateShapeFactory(xShapeFactory);
        xResult.set( pShapeFactory->createGroup2D( rSymbolContainer ), uno::UNO_QUERY );

        Reference< drawing::XShapes > xResultGroup( xResult, uno::UNO_QUERY );
        if( ! xResultGroup.is())
            return xResult;

        // add an invisible square box to maintain aspect ratio
        Reference< drawing::XShape > xBound( pShapeFactory->createInvisibleRectangle(
                    xResultGroup, rEntryKeyAspectRatio  ));

        // create symbol
        try
        {
            if( eStyle == LegendSymbolStyle_LINE )
            {
                Reference< drawing::XShape > xLine =
                    pShapeFactory->createLine( xResultGroup, awt::Size( rEntryKeyAspectRatio.Width, 0 ),
                            awt::Point( 0, rEntryKeyAspectRatio.Height/2 ));
                if( xLine.is())
                {
                    lcl_setPropertiesToShape( xLegendEntryProperties, xLine, ePropertyType, rEntryKeyAspectRatio );
                }

                Reference< drawing::XShape > xSymbol;
                const sal_Int32 nSize = std::min(rEntryKeyAspectRatio.Width,rEntryKeyAspectRatio.Height);
                chart2::Symbol aSymbol;
                if( rExplicitSymbol >>= aSymbol )
                {
                    drawing::Direction3D aSymbolSize( nSize, nSize, 0 );
                    drawing::Position3D aPos( rEntryKeyAspectRatio.Width/2.0, rEntryKeyAspectRatio.Height/2.0, 0 );
                    ShapeFactory* pFactory = ShapeFactory::getOrCreateShapeFactory( xShapeFactory );
                    if( aSymbol.Style == chart2::SymbolStyle_STANDARD )
                    {
                        // take series color as fill color
                        xLegendEntryProperties->getPropertyValue( "Color") >>= aSymbol.FillColor;
                        // border of symbols always same as fill color
                        aSymbol.BorderColor = aSymbol.FillColor;

                        xSymbol.set( pFactory->createSymbol2D(
                                         xResultGroup,
                                         aPos,
                                         aSymbolSize,
                                         aSymbol.StandardSymbol,
                                         aSymbol.BorderColor,
                                         aSymbol.FillColor ));
                    }
                    else if( aSymbol.Style == chart2::SymbolStyle_GRAPHIC )
                    {
                        xSymbol.set( pFactory->createGraphic2D(
                                         xResultGroup,
                                         aPos,
                                         aSymbolSize,
                                         aSymbol.Graphic ));
                    }
                    else if( aSymbol.Style == chart2::SymbolStyle_AUTO )
                    {
                        SAL_WARN("chart2", "the given parameter is not allowed to contain an automatic symbol style");
                    }
                }
            }
            else if( eStyle == LegendSymbolStyle_CIRCLE )
            {
                sal_Int32 nSize = std::min( rEntryKeyAspectRatio.Width, rEntryKeyAspectRatio.Height );
                Reference< drawing::XShape > xShape =
                    pShapeFactory->createCircle( xResultGroup, awt::Size( nSize, nSize ),
                            awt::Point( rEntryKeyAspectRatio.Width/2-nSize/2, rEntryKeyAspectRatio.Height/2-nSize/2 ));
                if( xShape.is() )
                {
                    lcl_setPropertiesToShape( xLegendEntryProperties, xShape, ePropertyType, awt::Size(0,0) ); // PropertyType::FilledSeries );
                }
            }
            else // eStyle == LegendSymbolStyle_BOX
            {
                tNameSequence aPropNames;
                tAnySequence aPropValues;

                getPropNamesAndValues( xLegendEntryProperties, aPropNames, aPropValues,
                        ePropertyType, awt::Size(0,0) );// PropertyType::FilledSeries

                pShapeFactory->createRectangle( xResultGroup,
                            rEntryKeyAspectRatio, awt::Point( 0, 0 ),
                            aPropNames, aPropValues );
            }
        }
        catch( const uno::Exception & )
        {
            DBG_UNHANDLED_EXCEPTION("chart2");
        }

        return xResult;
    }

    } //  namespace chart

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1019 Compound assignment expression '* pLineWidthAny >>= nLineWidth' is used inside condition.