chart2/source/view/axes/VPolarAngleAxis.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <basegfx/numeric/ftools.hxx>
  21
  22 #include "VPolarAngleAxis.hxx"
  23 #include "VPolarGrid.hxx"
  24 #include <AbstractShapeFactory.hxx>
  25 #include <NumberFormatterWrapper.hxx>
  26 #include <PolarLabelPositionHelper.hxx>
  27 #include <tools/color.hxx>
  28
  29 #include <memory>
  30
  31 namespace chart
  32 {
  33 using namespace ::com::sun::star;
  34 using namespace ::com::sun::star::chart2;
  35 using namespace ::rtl::math;
  36
  37 VPolarAngleAxis::VPolarAngleAxis( const AxisProperties& rAxisProperties
  38             , const uno::Reference< util::XNumberFormatsSupplier >& xNumberFormatsSupplier
  39             , sal_Int32 nDimensionCount )
  40             : VPolarAxis( rAxisProperties, xNumberFormatsSupplier, 0/*nDimensionIndex*/, nDimensionCount )
  41 {
  42 }
  43
  44 VPolarAngleAxis::~VPolarAngleAxis()
  45 {
  46 }
  47
  48 bool VPolarAngleAxis::createTextShapes_ForAngleAxis(
  49                        const uno::Reference< drawing::XShapes >& xTarget
  50                      , EquidistantTickIter& rTickIter
  51                      , AxisLabelProperties const & rAxisLabelProperties
  52                      , double fLogicRadius
  53                      , double fLogicZ )
  54 {
  55     AbstractShapeFactory* pShapeFactory = AbstractShapeFactory::getOrCreateShapeFactory(m_xShapeFactory);
  56
  57     FixedNumberFormatter aFixedNumberFormatter(
  58         m_xNumberFormatsSupplier, rAxisLabelProperties.nNumberFormatKey );
  59
  60     //prepare text properties for multipropertyset-interface of shape
  61     tNameSequence aPropNames;
  62     tAnySequence aPropValues;
  63
  64     uno::Reference< beans::XPropertySet > xProps( m_aAxisProperties.m_xAxisModel, uno::UNO_QUERY );
  65     PropertyMapper::getTextLabelMultiPropertyLists( xProps, aPropNames, aPropValues, false, -1, false, false );
  66     LabelPositionHelper::doDynamicFontResize( aPropValues, aPropNames, xProps
  67         , rAxisLabelProperties.m_aFontReferenceSize );
  68
  69     uno::Any* pColorAny = PropertyMapper::getValuePointer(aPropValues,aPropNames,"CharColor");
  70     Color nColor = COL_AUTO;
  71     if(pColorAny)
  72         *pColorAny >>= nColor;
  73
  74     const uno::Sequence< OUString >* pLabels = m_bUseTextLabels? &m_aTextLabels : nullptr;
  75
  76     //TickInfo* pLastVisibleNeighbourTickInfo = NULL;
  77     sal_Int32 nTick = 0;
  78
  79     for( TickInfo* pTickInfo = rTickIter.firstInfo()
  80         ; pTickInfo
  81         ; pTickInfo = rTickIter.nextInfo(), nTick++ )
  82     {
  83         //don't create labels which does not fit into the rhythm
  84         if( nTick%rAxisLabelProperties.nRhythm != 0)
  85             continue;
  86
  87         //don't create labels for invisible ticks
  88         if( !pTickInfo->bPaintIt )
  89             continue;
  90
  91         //if NO OVERLAP -> don't create labels where the
  92         //anchor position is the same as for the last label
  93         //@todo
  94
  95         if(!pTickInfo->xTextShape.is())
  96         {
  97             //create single label
  98             bool bHasExtraColor=false;
  99             Color nExtraColor;
 100
 101             OUString aLabel;
 102             if(pLabels)
 103             {
 104                 sal_Int32 nIndex = static_cast< sal_Int32 >(pTickInfo->getUnscaledTickValue()) - 1; //first category (index 0) matches with real number 1.0
 105                 if( nIndex>=0 && nIndex<pLabels->getLength() )
 106                     aLabel = (*pLabels)[nIndex];
 107             }
 108             else
 109                 aLabel = aFixedNumberFormatter.getFormattedString( pTickInfo->getUnscaledTickValue(), nExtraColor, bHasExtraColor );
 110
 111             if(pColorAny)
 112                 *pColorAny <<= bHasExtraColor?nExtraColor:nColor;
 113
 114             double fLogicAngle = pTickInfo->getUnscaledTickValue();
 115
 116             LabelAlignment eLabelAlignment(LABEL_ALIGN_CENTER);
 117             PolarLabelPositionHelper aPolarLabelPositionHelper(m_pPosHelper.get(), 2/*nDimensionCount*/, xTarget, pShapeFactory);
 118             sal_Int32 nScreenValueOffsetInRadiusDirection = m_aAxisLabelProperties.m_aMaximumSpaceForLabels.Height/15;
 119             awt::Point aAnchorScreenPosition2D( aPolarLabelPositionHelper.getLabelScreenPositionAndAlignmentForLogicValues(
 120                     eLabelAlignment, fLogicAngle, fLogicRadius, fLogicZ, nScreenValueOffsetInRadiusDirection ));
 121             LabelPositionHelper::changeTextAdjustment( aPropValues, aPropNames, eLabelAlignment );
 122
 123             // #i78696# use mathematically correct rotation now
 124             const double fRotationAnglePi(rAxisLabelProperties.fRotationAngleDegree * (F_PI / -180.0));
 125
 126             uno::Any aATransformation = AbstractShapeFactory::makeTransformation( aAnchorScreenPosition2D, fRotationAnglePi );
 127             OUString aStackedLabel = AbstractShapeFactory::getStackedString( aLabel, rAxisLabelProperties.bStackCharacters );
 128
 129             pTickInfo->xTextShape = pShapeFactory->createText( xTarget, aStackedLabel, aPropNames, aPropValues, aATransformation );
 130         }
 131
 132         //if NO OVERLAP -> remove overlapping shapes
 133         //@todo
 134     }
 135     return true;
 136 }
 137
 138 void VPolarAngleAxis::createMaximumLabels()
 139 {
 140     if( !prepareShapeCreation() )
 141         return;
 142
 143     createLabels();
 144 }
 145
 146 void VPolarAngleAxis::updatePositions()
 147 {
 148     //todo: really only update the positions
 149
 150     if( !prepareShapeCreation() )
 151         return;
 152
 153     createLabels();
 154 }
 155
 156 void VPolarAngleAxis::createLabels()
 157 {
 158     if( !prepareShapeCreation() )
 159         return;
 160
 161     double fLogicRadius = m_pPosHelper->getOuterLogicRadius();
 162
 163     if( m_aAxisProperties.m_bDisplayLabels )
 164     {
 165         //get the transformed screen values for all tickmarks in aAllTickInfos
 166         std::unique_ptr< TickFactory > apTickFactory( createTickFactory() );
 167
 168         //create tick mark text shapes
 169         //@todo: iterate through all tick depth which should be labeled
 170
 171         EquidistantTickIter aTickIter( m_aAllTickInfos, m_aIncrement, 0 );
 172         updateUnscaledValuesAtTicks( aTickIter );
 173
 174         removeTextShapesFromTicks();
 175
 176         AxisLabelProperties aAxisLabelProperties( m_aAxisLabelProperties );
 177         aAxisLabelProperties.bOverlapAllowed = true;
 178         double const fLogicZ = 1.0;//as defined
 179         while( !createTextShapes_ForAngleAxis( m_xTextTarget, aTickIter
 180                         , aAxisLabelProperties
 181                         , fLogicRadius, fLogicZ
 182                         ) )
 183         {
 184         }
 185
 186         //no staggering for polar angle axis
 187     }
 188 }
 189
 190 void VPolarAngleAxis::createShapes()
 191 {
 192     if( !prepareShapeCreation() )
 193         return;
 194
 195     double fLogicRadius = m_pPosHelper->getOuterLogicRadius();
 196     double const fLogicZ = 1.0;//as defined
 197
 198     //create axis main lines
 199     drawing::PointSequenceSequence aPoints(1);
 200     VPolarGrid::createLinePointSequence_ForAngleAxis( aPoints, m_aAllTickInfos, m_aIncrement, m_aScale, m_pPosHelper.get(), fLogicRadius, fLogicZ );
 201     uno::Reference< drawing::XShape > xShape = m_pShapeFactory->createLine2D(
 202             m_xGroupShape_Shapes, aPoints, &m_aAxisProperties.m_aLineProperties );
 203     //because of this name this line will be used for marking the axis
 204     ::chart::AbstractShapeFactory::setShapeName( xShape, "MarkHandles" );
 205
 206     //create labels
 207     createLabels();
 208 }
 209
 210 } //namespace chart
 211
 212 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */