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 <ShapeFactory.hxx>
  25 #include <Axis.hxx>
  26 #include <NumberFormatterWrapper.hxx>
  27 #include <PolarLabelPositionHelper.hxx>
  28 #include <PlottingPositionHelper.hxx>
  29 #include <tools/color.hxx>
  30
  31 #include <memory>
  32
  33 namespace chart
  34 {
  35 using namespace ::com::sun::star;
  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 void VPolarAngleAxis::createTextShapes_ForAngleAxis(
  49                        const rtl::Reference<SvxShapeGroupAnyD>& xTarget
  50                      , EquidistantTickIter& rTickIter
  51                      , AxisLabelProperties const & rAxisLabelProperties
  52                      , double fLogicRadius
  53                      , double fLogicZ )
  54 {
  55     FixedNumberFormatter aFixedNumberFormatter(
  56         m_xNumberFormatsSupplier, rAxisLabelProperties.m_nNumberFormatKey );
  57
  58     //prepare text properties for multipropertyset-interface of shape
  59     tNameSequence aPropNames;
  60     tAnySequence aPropValues;
  61
  62     uno::Reference< beans::XPropertySet > xProps( m_aAxisProperties.m_xAxisModel );
  63     PropertyMapper::getTextLabelMultiPropertyLists( xProps, aPropNames, aPropValues, false, -1, false, false );
  64     LabelPositionHelper::doDynamicFontResize( aPropValues, aPropNames, xProps
  65         , rAxisLabelProperties.m_aFontReferenceSize );
  66
  67     uno::Any* pColorAny = PropertyMapper::getValuePointer(aPropValues,aPropNames,u"CharColor");
  68     Color nColor = COL_AUTO;
  69     if(pColorAny)
  70         *pColorAny >>= nColor;
  71
  72     const uno::Sequence< OUString >* pLabels = m_bUseTextLabels? &m_aTextLabels : nullptr;
  73
  74     //TickInfo* pLastVisibleNeighbourTickInfo = NULL;
  75     sal_Int32 nTick = 0;
  76
  77     for( TickInfo* pTickInfo = rTickIter.firstInfo()
  78         ; pTickInfo
  79         ; pTickInfo = rTickIter.nextInfo(), nTick++ )
  80     {
  81         //don't create labels which does not fit into the rhythm
  82         if( nTick%rAxisLabelProperties.m_nRhythm != 0)
  83             continue;
  84
  85         //don't create labels for invisible ticks
  86         if( !pTickInfo->bPaintIt )
  87             continue;
  88
  89         //if NO OVERLAP -> don't create labels where the
  90         //anchor position is the same as for the last label
  91         //@todo
  92
  93         if(!pTickInfo->xTextShape.is())
  94         {
  95             //create single label
  96             bool bHasExtraColor=false;
  97             Color nExtraColor;
  98
  99             OUString aLabel;
 100             if(pLabels)
 101             {
 102                 sal_Int32 nIndex = static_cast< sal_Int32 >(pTickInfo->getUnscaledTickValue()) - 1; //first category (index 0) matches with real number 1.0
 103                 if( nIndex>=0 && nIndex<pLabels->getLength() )
 104                     aLabel = (*pLabels)[nIndex];
 105             }
 106             else
 107                 aLabel = aFixedNumberFormatter.getFormattedString( pTickInfo->getUnscaledTickValue(), nExtraColor, bHasExtraColor );
 108
 109             if(pColorAny)
 110                 *pColorAny <<= bHasExtraColor?nExtraColor:nColor;
 111
 112             double fLogicAngle = pTickInfo->getUnscaledTickValue();
 113
 114             LabelAlignment eLabelAlignment(LABEL_ALIGN_CENTER);
 115             PolarLabelPositionHelper aPolarLabelPositionHelper(&m_aPosHelper, 2/*nDimensionCount*/, xTarget);
 116             sal_Int32 nScreenValueOffsetInRadiusDirection = m_aAxisLabelProperties.m_aMaximumSpaceForLabels.Height/15;
 117             awt::Point aAnchorScreenPosition2D( aPolarLabelPositionHelper.getLabelScreenPositionAndAlignmentForLogicValues(
 118                     eLabelAlignment, fLogicAngle, fLogicRadius, fLogicZ, nScreenValueOffsetInRadiusDirection ));
 119             LabelPositionHelper::changeTextAdjustment( aPropValues, aPropNames, eLabelAlignment );
 120
 121             // #i78696# use mathematically correct rotation now
 122             const double fRotationAnglePi(-basegfx::deg2rad(rAxisLabelProperties.m_fRotationAngleDegree));
 123
 124             uno::Any aATransformation = ShapeFactory::makeTransformation( aAnchorScreenPosition2D, fRotationAnglePi );
 125             OUString aStackedLabel = ShapeFactory::getStackedString( aLabel, rAxisLabelProperties.m_bStackCharacters );
 126
 127             pTickInfo->xTextShape = ShapeFactory::createText( xTarget, aStackedLabel, aPropNames, aPropValues, aATransformation );
 128         }
 129
 130         //if NO OVERLAP -> remove overlapping shapes
 131         //@todo
 132     }
 133 }
 134
 135 void VPolarAngleAxis::createMaximumLabels()
 136 {
 137     if( !prepareShapeCreation() )
 138         return;
 139
 140     createLabels();
 141 }
 142
 143 void VPolarAngleAxis::updatePositions()
 144 {
 145     //todo: really only update the positions
 146
 147     if( !prepareShapeCreation() )
 148         return;
 149
 150     createLabels();
 151 }
 152
 153 void VPolarAngleAxis::createLabels()
 154 {
 155     if( !prepareShapeCreation() )
 156         return;
 157
 158     double fLogicRadius = m_aPosHelper.getOuterLogicRadius();
 159
 160     if( !m_aAxisProperties.m_bDisplayLabels )
 161         return;
 162
 163     //create tick mark text shapes
 164     //@todo: iterate through all tick depth which should be labeled
 165
 166     EquidistantTickIter aTickIter( m_aAllTickInfos, m_aIncrement, 0 );
 167     updateUnscaledValuesAtTicks( aTickIter );
 168
 169     removeTextShapesFromTicks();
 170
 171     AxisLabelProperties aAxisLabelProperties( m_aAxisLabelProperties );
 172     aAxisLabelProperties.m_bOverlapAllowed = true;
 173     double const fLogicZ = 1.0;//as defined
 174     createTextShapes_ForAngleAxis( m_xTextTarget, aTickIter
 175                     , aAxisLabelProperties
 176                     , fLogicRadius, fLogicZ
 177                     );
 178
 179     //no staggering for polar angle axis
 180 }
 181
 182 void VPolarAngleAxis::createShapes()
 183 {
 184     if( !prepareShapeCreation() )
 185         return;
 186
 187     double fLogicRadius = m_aPosHelper.getOuterLogicRadius();
 188     double const fLogicZ = 1.0;//as defined
 189
 190     //create axis main lines
 191     drawing::PointSequenceSequence aPoints(1);
 192     VPolarGrid::createLinePointSequence_ForAngleAxis( aPoints, m_aAllTickInfos, m_aIncrement, m_aScale, &m_aPosHelper, fLogicRadius, fLogicZ );
 193     rtl::Reference<SvxShapePolyPolygon> xShape = ShapeFactory::createLine2D(
 194             m_xGroupShape_Shapes, aPoints, &m_aAxisProperties.m_aLineProperties );
 195     //because of this name this line will be used for marking the axis
 196     ::chart::ShapeFactory::setShapeName( xShape, u"MarkHandles"_ustr );
 197
 198     //create labels
 199     createLabels();
 200 }
 201
 202 } //namespace chart
 203
 204 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */