chart2/source/view/charttypes/NetChart.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  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 "NetChart.hxx"
  21 #include <PlottingPositionHelper.hxx>
  22 #include <ShapeFactory.hxx>
  23 #include <ExplicitCategoriesProvider.hxx>
  24 #include <CommonConverters.hxx>
  25 #include <ObjectIdentifier.hxx>
  26 #include <LabelPositionHelper.hxx>
  27 #include <Clipping.hxx>
  28 #include <PolarLabelPositionHelper.hxx>
  29 #include <DateHelper.hxx>
  30 #include <ChartType.hxx>
  31
  32 #include <com/sun/star/chart2/Symbol.hpp>
  33 #include <com/sun/star/chart/DataLabelPlacement.hpp>
  34 #include <com/sun/star/chart/MissingValueTreatment.hpp>
  35
  36 #include <o3tl/safeint.hxx>
  37 #include <osl/diagnose.h>
  38
  39 #include <officecfg/Office/Compatibility.hxx>
  40
  41 #include <limits>
  42
  43 namespace chart
  44 {
  45 using namespace ::com::sun::star;
  46 using namespace ::com::sun::star::chart2;
  47
  48 NetChart::NetChart( const rtl::Reference<ChartType>& xChartTypeModel
  49                      , sal_Int32 nDimensionCount
  50                      , bool bNoArea
  51                      , std::unique_ptr<PlottingPositionHelper> pPlottingPositionHelper
  52                      )
  53         : VSeriesPlotter( xChartTypeModel, nDimensionCount, true )
  54         , m_pMainPosHelper(std::move(pPlottingPositionHelper))
  55         , m_bArea(!bNoArea)
  56         , m_bLine(bNoArea)
  57 {
  58     // we only support 2D Net charts
  59     assert(nDimensionCount == 2);
  60
  61     m_pMainPosHelper->AllowShiftXAxisPos(true);
  62     m_pMainPosHelper->AllowShiftZAxisPos(true);
  63
  64     PlotterBase::m_pPosHelper = m_pMainPosHelper.get();
  65     VSeriesPlotter::m_pMainPosHelper = m_pMainPosHelper.get();
  66 }
  67
  68 NetChart::~NetChart()
  69 {
  70 }
  71
  72 double NetChart::getMaximumX()
  73 {
  74     double fMax = VSeriesPlotter::getMaximumX() + 1.0;
  75     return fMax;
  76 }
  77
  78 bool NetChart::isExpandIfValuesCloseToBorder( sal_Int32 )
  79 {
  80     return false;
  81 }
  82
  83 bool NetChart::isSeparateStackingForDifferentSigns( sal_Int32 /*nDimensionIndex*/ )
  84 {
  85     // no separate stacking in all types of line/area charts
  86     return false;
  87 }
  88
  89 LegendSymbolStyle NetChart::getLegendSymbolStyle()
  90 {
  91     if( m_bArea )
  92         return LegendSymbolStyle::Box;
  93     return LegendSymbolStyle::Line;
  94 }
  95
  96 uno::Any NetChart::getExplicitSymbol( const VDataSeries& rSeries, sal_Int32 nPointIndex )
  97 {
  98     uno::Any aRet;
  99
 100     Symbol* pSymbolProperties = rSeries.getSymbolProperties( nPointIndex );
 101     if( pSymbolProperties )
 102     {
 103         aRet <<= *pSymbolProperties;
 104     }
 105
 106     return aRet;
 107 }
 108
 109 drawing::Direction3D NetChart::getPreferredDiagramAspectRatio() const
 110 {
 111     return drawing::Direction3D(1,1,1);
 112 }
 113
 114 bool NetChart::impl_createLine( VDataSeries* pSeries
 115                 , const std::vector<std::vector<css::drawing::Position3D>>* pSeriesPoly
 116                 , PlottingPositionHelper const * pPosHelper )
 117 {
 118     //return true if a line was created successfully
 119     rtl::Reference<SvxShapeGroupAnyD> xSeriesGroupShape_Shapes = getSeriesGroupShapeBackChild(pSeries, m_xSeriesTarget);
 120
 121     std::vector<std::vector<css::drawing::Position3D>> aPoly;
 122     {
 123         bool bIsClipped = false;
 124         if( !ShapeFactory::isPolygonEmptyOrSinglePoint(*pSeriesPoly) )
 125         {
 126             // do NOT connect last and first point, if one is NAN, and NAN handling is NAN_AS_GAP
 127             double fFirstY = pSeries->getYValue( 0 );
 128             double fLastY = pSeries->getYValue( VSeriesPlotter::getPointCount() - 1 );
 129             if( (pSeries->getMissingValueTreatment() != css::chart::MissingValueTreatment::LEAVE_GAP)
 130                 || (std::isfinite( fFirstY ) && std::isfinite( fLastY )) )
 131             {
 132                 // connect last point in last polygon with first point in first polygon
 133                 ::basegfx::B2DRectangle aScaledLogicClipDoubleRect( pPosHelper->getScaledLogicClipDoubleRect() );
 134                 std::vector<std::vector<css::drawing::Position3D>> aTmpPoly(*pSeriesPoly);
 135                 drawing::Position3D aLast(aScaledLogicClipDoubleRect.getMaxX(),aTmpPoly[0][0].PositionY,aTmpPoly[0][0].PositionZ);
 136                 // add connector line to last polygon
 137                 AddPointToPoly( aTmpPoly, aLast, pSeriesPoly->size() - 1 );
 138                 Clipping::clipPolygonAtRectangle( aTmpPoly, aScaledLogicClipDoubleRect, aPoly );
 139                 bIsClipped = true;
 140             }
 141         }
 142
 143         if( !bIsClipped )
 144             Clipping::clipPolygonAtRectangle( *pSeriesPoly, pPosHelper->getScaledLogicClipDoubleRect(), aPoly );
 145     }
 146
 147     if(!ShapeFactory::hasPolygonAnyLines(aPoly))
 148         return false;
 149
 150     //transformation 3) -> 4)
 151     pPosHelper->transformScaledLogicToScene( aPoly );
 152
 153     //create line:
 154     rtl::Reference<SvxShapePolyPolygon> xShape;
 155     {
 156         xShape = ShapeFactory::createLine2D( xSeriesGroupShape_Shapes, aPoly );
 157         PropertyMapper::setMappedProperties( *xShape
 158                 , pSeries->getPropertiesOfSeries()
 159                 , PropertyMapper::getPropertyNameMapForLineSeriesProperties() );
 160         //because of this name this line will be used for marking
 161         ::chart::ShapeFactory::setShapeName(xShape, u"MarkHandles"_ustr);
 162     }
 163     return true;
 164 }
 165
 166 bool NetChart::impl_createArea( VDataSeries* pSeries
 167                 , const std::vector<std::vector<css::drawing::Position3D>>* pSeriesPoly
 168                 , std::vector<std::vector<css::drawing::Position3D>> const * pPreviousSeriesPoly
 169                 , PlottingPositionHelper const * pPosHelper )
 170 {
 171     //return true if an area was created successfully
 172
 173     rtl::Reference<SvxShapeGroupAnyD> xSeriesGroupShape_Shapes = getSeriesGroupShapeBackChild(pSeries, m_xSeriesTarget);
 174     double zValue = pSeries->m_fLogicZPos;
 175
 176     std::vector<std::vector<css::drawing::Position3D>> aPoly( *pSeriesPoly );
 177     //add second part to the polygon (grounding points or previous series points)
 178     if( !ShapeFactory::isPolygonEmptyOrSinglePoint(*pSeriesPoly) )
 179     {
 180         if( pPreviousSeriesPoly )
 181             addPolygon( aPoly, *pPreviousSeriesPoly );
 182     }
 183     else if(!pPreviousSeriesPoly)
 184     {
 185         double fMinX = pSeries->m_fLogicMinX;
 186         double fMaxX = pSeries->m_fLogicMaxX;
 187         double fY = pPosHelper->getBaseValueY();//logic grounding
 188
 189         //clip to scale
 190         if(fMaxX<pPosHelper->getLogicMinX() || fMinX>pPosHelper->getLogicMaxX())
 191             return false;//no visible shape needed
 192         pPosHelper->clipLogicValues( &fMinX, &fY, nullptr );
 193         pPosHelper->clipLogicValues( &fMaxX, nullptr, nullptr );
 194
 195         //apply scaling
 196         {
 197             pPosHelper->doLogicScaling( &fMinX, &fY, &zValue );
 198             pPosHelper->doLogicScaling( &fMaxX, nullptr, nullptr );
 199         }
 200
 201         AddPointToPoly( aPoly, drawing::Position3D( fMaxX,fY,zValue) );
 202         AddPointToPoly( aPoly, drawing::Position3D( fMinX,fY,zValue) );
 203     }
 204     else
 205     {
 206         appendPoly( aPoly, *pPreviousSeriesPoly );
 207     }
 208     ShapeFactory::closePolygon(aPoly);
 209
 210     //apply clipping
 211     {
 212         std::vector<std::vector<css::drawing::Position3D>> aClippedPoly;
 213         Clipping::clipPolygonAtRectangle( aPoly, pPosHelper->getScaledLogicClipDoubleRect(), aClippedPoly, false );
 214         ShapeFactory::closePolygon(aClippedPoly); //again necessary after clipping
 215         aPoly = std::move(aClippedPoly);
 216     }
 217
 218     if(!ShapeFactory::hasPolygonAnyLines(aPoly))
 219         return false;
 220
 221     //transformation 3) -> 4)
 222     pPosHelper->transformScaledLogicToScene( aPoly );
 223
 224     //create area:
 225     rtl::Reference<SvxShapePolyPolygon>
 226         xShape = ShapeFactory::createArea2D( xSeriesGroupShape_Shapes
 227                 , aPoly );
 228     PropertyMapper::setMappedProperties( *xShape
 229                 , pSeries->getPropertiesOfSeries()
 230                 , PropertyMapper::getPropertyNameMapForFilledSeriesProperties() );
 231     //because of this name this line will be used for marking
 232     ::chart::ShapeFactory::setShapeName(xShape, u"MarkHandles"_ustr);
 233     return true;
 234 }
 235
 236 void NetChart::impl_createSeriesShapes()
 237 {
 238     //the polygon shapes for each series need to be created before
 239
 240     //iterate through all series again to create the series shapes
 241     for( auto const& rZSlot : m_aZSlots )
 242     {
 243         for( auto const& rXSlot : rZSlot )
 244         {
 245             std::map< sal_Int32, std::vector<std::vector<css::drawing::Position3D>>* > aPreviousSeriesPolyMap;//a PreviousSeriesPoly for each different nAttachedAxisIndex
 246             std::vector<std::vector<css::drawing::Position3D>>* pSeriesPoly = nullptr;
 247
 248             //iterate through all series
 249             for( std::unique_ptr<VDataSeries> const & pSeries : rXSlot.m_aSeriesVector )
 250             {
 251                 sal_Int32 nAttachedAxisIndex = pSeries->getAttachedAxisIndex();
 252                 m_pPosHelper = &getPlottingPositionHelper(nAttachedAxisIndex);
 253
 254                 pSeriesPoly = &pSeries->m_aPolyPolygonShape3D;
 255                 if( m_bArea )
 256                 {
 257                     if (!impl_createArea(pSeries.get(), pSeriesPoly,
 258                                          aPreviousSeriesPolyMap[nAttachedAxisIndex], m_pPosHelper))
 259                         continue;
 260                 }
 261                 if( m_bLine )
 262                 {
 263                     if (!impl_createLine(pSeries.get(), pSeriesPoly, m_pPosHelper))
 264                         continue;
 265                 }
 266                 aPreviousSeriesPolyMap[nAttachedAxisIndex] = pSeriesPoly;
 267             }//next series in x slot (next y slot)
 268         }//next x slot
 269     }//next z slot
 270 }
 271
 272 namespace
 273 {
 274
 275 void lcl_reorderSeries( std::vector< std::vector< VDataSeriesGroup > >&  rZSlots )
 276 {
 277     std::vector< std::vector< VDataSeriesGroup > >  aRet;
 278     aRet.reserve( rZSlots.size() );
 279
 280     std::vector< std::vector< VDataSeriesGroup > >::reverse_iterator aZIt( rZSlots.rbegin() );
 281     std::vector< std::vector< VDataSeriesGroup > >::reverse_iterator aZEnd( rZSlots.rend() );
 282     for( ; aZIt != aZEnd; ++aZIt )
 283     {
 284         std::vector< VDataSeriesGroup > aXSlot;
 285
 286         std::vector< VDataSeriesGroup >::reverse_iterator aXIt( aZIt->rbegin() );
 287         std::vector< VDataSeriesGroup >::reverse_iterator aXEnd( aZIt->rend() );
 288         for( ; aXIt != aXEnd; ++aXIt )
 289             aXSlot.push_back(std::move(*aXIt));
 290
 291         aRet.push_back(std::move(aXSlot));
 292     }
 293
 294     rZSlots = std::move(aRet);
 295 }
 296
 297 //better performance for big data
 298 struct FormerPoint
 299 {
 300     FormerPoint( double fX, double fY, double fZ )
 301         : m_fX(fX), m_fY(fY), m_fZ(fZ)
 302         {}
 303     FormerPoint()
 304         : m_fX(std::numeric_limits<double>::quiet_NaN())
 305         , m_fY(std::numeric_limits<double>::quiet_NaN())
 306         , m_fZ(std::numeric_limits<double>::quiet_NaN())
 307
 308     {
 309     }
 310
 311     double m_fX;
 312     double m_fY;
 313     double m_fZ;
 314 };
 315
 316 }//anonymous namespace
 317
 318 void NetChart::createShapes()
 319 {
 320     if( m_aZSlots.empty() ) //no series
 321         return;
 322
 323     //tdf#127813 Don't reverse the series in OOXML-heavy environments
 324     if (officecfg::Office::Compatibility::View::ReverseSeriesOrderAreaAndNetChart::get() && m_bArea)
 325         lcl_reorderSeries( m_aZSlots );
 326
 327     OSL_ENSURE(m_xLogicTarget.is()&&m_xFinalTarget.is(),"NetChart is not proper initialized");
 328     if(!(m_xLogicTarget.is()&&m_xFinalTarget.is()))
 329         return;
 330
 331     //the text labels should be always on top of the other series shapes
 332     //for area chart the error bars should be always on top of the other series shapes
 333
 334     //therefore create an own group for the texts and the error bars to move them to front
 335     //(because the text group is created after the series group the texts are displayed on top)
 336     m_xSeriesTarget   = createGroupShape( m_xLogicTarget );
 337     m_xTextTarget     = ShapeFactory::createGroup2D( m_xFinalTarget );
 338
 339     //check necessary here that different Y axis can not be stacked in the same group? ... hm?
 340
 341     //update/create information for current group
 342     double fLogicZ        = 1.0;//as defined
 343
 344     sal_Int32 const nStartIndex = 0; // inclusive       ;..todo get somehow from x scale
 345     sal_Int32 nEndIndex = VSeriesPlotter::getPointCount();
 346     if(nEndIndex<=0)
 347         nEndIndex=1;
 348
 349     //better performance for big data
 350     std::map< VDataSeries*, FormerPoint > aSeriesFormerPointMap;
 351     m_bPointsWereSkipped = false;
 352
 353     bool bDateCategory = (m_pExplicitCategoriesProvider && m_pExplicitCategoriesProvider->isDateAxis());
 354
 355     //iterate through all x values per indices
 356     for( sal_Int32 nIndex = nStartIndex; nIndex < nEndIndex; nIndex++ )
 357     {
 358         std::map< sal_Int32, double > aLogicYSumMap;//one for each different nAttachedAxisIndex
 359         for( auto const& rZSlot : m_aZSlots )
 360         {
 361             //iterate through all x slots in this category to get 100percent sum
 362             for( auto const& rXSlot : rZSlot )
 363             {
 364                 for( std::unique_ptr<VDataSeries> const & pSeries : rXSlot.m_aSeriesVector )
 365                 {
 366                     if(!pSeries)
 367                         continue;
 368
 369                     if (bDateCategory)
 370                         pSeries->doSortByXValues();
 371
 372                     sal_Int32 nAttachedAxisIndex = pSeries->getAttachedAxisIndex();
 373                     aLogicYSumMap.insert({nAttachedAxisIndex, 0.0});
 374
 375                     m_pPosHelper = &getPlottingPositionHelper(nAttachedAxisIndex);
 376
 377                     double fAdd = pSeries->getYValue( nIndex );
 378                     if( !std::isnan(fAdd) && !std::isinf(fAdd) )
 379                         aLogicYSumMap[nAttachedAxisIndex] += fabs( fAdd );
 380                 }
 381             }
 382         }
 383
 384         for( auto const& rZSlot : m_aZSlots )
 385         {
 386             //for the area chart there should be at most one x slot (no side by side stacking available)
 387             //attention different: xSlots are always interpreted as independent areas one behind the other: @todo this doesn't work why not???
 388             for( auto const& rXSlot : rZSlot )
 389             {
 390                 std::map< sal_Int32, double > aLogicYForNextSeriesMap;//one for each different nAttachedAxisIndex
 391                 //iterate through all series
 392                 for( std::unique_ptr<VDataSeries> const & pSeries : rXSlot.m_aSeriesVector )
 393                 {
 394                     if(!pSeries)
 395                         continue;
 396
 397                     /*  #i70133# ignore points outside of series length in standard area
 398                         charts. Stacked area charts will use missing points as zeros. In
 399                         standard charts, pSeriesList contains only one series. */
 400                     if( m_bArea && (rXSlot.m_aSeriesVector.size() == 1) && (nIndex >= pSeries->getTotalPointCount()) )
 401                         continue;
 402
 403                     rtl::Reference<SvxShapeGroupAnyD> xSeriesGroupShape_Shapes = getSeriesGroupShapeFrontChild(pSeries.get(), m_xSeriesTarget);
 404
 405                     sal_Int32 nAttachedAxisIndex = pSeries->getAttachedAxisIndex();
 406                     m_pPosHelper = &getPlottingPositionHelper(nAttachedAxisIndex);
 407
 408                     pSeries->m_fLogicZPos = fLogicZ;
 409
 410                     //collect data point information (logic coordinates, style ):
 411                     double fLogicX = pSeries->getXValue(nIndex);
 412                     if (bDateCategory)
 413                         fLogicX = DateHelper::RasterizeDateValue( fLogicX, m_aNullDate, m_nTimeResolution );
 414                     double fLogicY = pSeries->getYValue(nIndex);
 415
 416                     if( m_bArea && ( std::isnan(fLogicY) || std::isinf(fLogicY) ) )
 417                     {
 418                         if( pSeries->getMissingValueTreatment() == css::chart::MissingValueTreatment::LEAVE_GAP )
 419                         {
 420                             if( rXSlot.m_aSeriesVector.size() == 1 || pSeries == rXSlot.m_aSeriesVector.front() )
 421                             {
 422                                 fLogicY = m_pPosHelper->getLogicMinY();
 423                                 if (!m_pPosHelper->isMathematicalOrientationY())
 424                                     fLogicY = m_pPosHelper->getLogicMaxY();
 425                             }
 426                             else
 427                                 fLogicY = 0.0;
 428                         }
 429                     }
 430
 431                     if (m_pPosHelper->isPercentY() && aLogicYSumMap[nAttachedAxisIndex] != 0.0)
 432                     {
 433                         fLogicY = fabs( fLogicY )/aLogicYSumMap[nAttachedAxisIndex];
 434                     }
 435
 436                     if(    std::isnan(fLogicX) || std::isinf(fLogicX)
 437                         || std::isnan(fLogicY) || std::isinf(fLogicY)
 438                         || std::isnan(fLogicZ) || std::isinf(fLogicZ) )
 439                     {
 440                         if( pSeries->getMissingValueTreatment() == css::chart::MissingValueTreatment::LEAVE_GAP )
 441                         {
 442                             std::vector<std::vector<css::drawing::Position3D>>& rPolygon = pSeries->m_aPolyPolygonShape3D;
 443                             sal_Int32& rIndex = pSeries->m_nPolygonIndex;
 444                             if( 0<= rIndex && o3tl::make_unsigned(rIndex) < rPolygon.size() )
 445                             {
 446                                 if( !rPolygon[ rIndex ].empty() )
 447                                     rIndex++; //start a new polygon for the next point if the current poly is not empty
 448                             }
 449                         }
 450                         continue;
 451                     }
 452
 453                     aLogicYForNextSeriesMap.try_emplace(nAttachedAxisIndex, 0.0);
 454
 455                     double fLogicValueForLabeDisplay = fLogicY;
 456
 457                     fLogicY += aLogicYForNextSeriesMap[nAttachedAxisIndex];
 458                     aLogicYForNextSeriesMap[nAttachedAxisIndex] = fLogicY;
 459
 460                     bool bIsVisible = m_pPosHelper->isLogicVisible(fLogicX, fLogicY, fLogicZ);
 461
 462                     //remind minimal and maximal x values for area 'grounding' points
 463                     //only for filled area
 464                     {
 465                         double& rfMinX = pSeries->m_fLogicMinX;
 466                         if(!nIndex||fLogicX<rfMinX)
 467                             rfMinX=fLogicX;
 468                         double& rfMaxX = pSeries->m_fLogicMaxX;
 469                         if(!nIndex||fLogicX>rfMaxX)
 470                             rfMaxX=fLogicX;
 471                     }
 472
 473                     drawing::Position3D aUnscaledLogicPosition( fLogicX, fLogicY, fLogicZ );
 474                     drawing::Position3D aScaledLogicPosition(aUnscaledLogicPosition);
 475                     m_pPosHelper->doLogicScaling(aScaledLogicPosition);
 476
 477                     //transformation 3) -> 4)
 478                     drawing::Position3D aScenePosition(
 479                         m_pPosHelper->transformLogicToScene(fLogicX, fLogicY, fLogicZ, false));
 480
 481                     //better performance for big data
 482                     FormerPoint aFormerPoint( aSeriesFormerPointMap[pSeries.get()] );
 483                     m_pPosHelper->setCoordinateSystemResolution(m_aCoordinateSystemResolution);
 484                     if( !pSeries->isAttributedDataPoint(nIndex)
 485                             && m_pPosHelper->isSameForGivenResolution(
 486                                aFormerPoint.m_fX, aFormerPoint.m_fY, aFormerPoint.m_fZ
 487                                                             , aScaledLogicPosition.PositionX, aScaledLogicPosition.PositionY, aScaledLogicPosition.PositionZ ) )
 488                     {
 489                         m_bPointsWereSkipped = true;
 490                         continue;
 491                     }
 492                     aSeriesFormerPointMap[pSeries.get()] = FormerPoint(aScaledLogicPosition.PositionX, aScaledLogicPosition.PositionY, aScaledLogicPosition.PositionZ);
 493
 494                     //store point information for series polygon
 495                     //for area and/or line (symbols only do not need this)
 496                     if( isValidPosition(aScaledLogicPosition) )
 497                     {
 498                         AddPointToPoly( pSeries->m_aPolyPolygonShape3D, aScaledLogicPosition, pSeries->m_nPolygonIndex );
 499
 500                         //prepare clipping for filled net charts
 501                         if( !bIsVisible && m_bArea )
 502                         {
 503                             drawing::Position3D aClippedPos(aScaledLogicPosition);
 504                             m_pPosHelper->clipScaledLogicValues(nullptr, &aClippedPos.PositionY,
 505                                                                 nullptr);
 506                             if (m_pPosHelper->isLogicVisible(aClippedPos.PositionX,
 507                                                              aClippedPos.PositionY,
 508                                                              aClippedPos.PositionZ))
 509                             {
 510                                 AddPointToPoly( pSeries->m_aPolyPolygonShape3D, aClippedPos, pSeries->m_nPolygonIndex );
 511                                 AddPointToPoly( pSeries->m_aPolyPolygonShape3D, aScaledLogicPosition, pSeries->m_nPolygonIndex );
 512                             }
 513                         }
 514                     }
 515
 516                     //create a single datapoint if point is visible
 517                     //apply clipping:
 518                     if( !bIsVisible )
 519                         continue;
 520
 521                     Symbol* pSymbolProperties = pSeries->getSymbolProperties( nIndex );
 522                     bool bCreateSymbol = pSymbolProperties && (pSymbolProperties->Style != SymbolStyle_NONE);
 523
 524                     if( !bCreateSymbol && !pSeries->getDataPointLabelIfLabel(nIndex) )
 525                         continue;
 526
 527                     //create a group shape for this point and add to the series shape:
 528                     OUString aPointCID = ObjectIdentifier::createPointCID(
 529                         pSeries->getPointCID_Stub(), nIndex );
 530                     rtl::Reference<SvxShapeGroupAnyD> xPointGroupShape_Shapes(
 531                         createGroupShape(xSeriesGroupShape_Shapes,aPointCID) );
 532
 533                     {
 534                         //create data point
 535                         drawing::Direction3D aSymbolSize(0,0,0);
 536                         if (bCreateSymbol) // implies pSymbolProperties
 537                         {
 538                             if (pSymbolProperties->Style != SymbolStyle_NONE)
 539                             {
 540                                 aSymbolSize.DirectionX = pSymbolProperties->Size.Width;
 541                                 aSymbolSize.DirectionY = pSymbolProperties->Size.Height;
 542                             }
 543
 544                             if (pSymbolProperties->Style == SymbolStyle_STANDARD)
 545                             {
 546                                 sal_Int32 nSymbol = pSymbolProperties->StandardSymbol;
 547                                 ShapeFactory::createSymbol2D(
 548                                     xPointGroupShape_Shapes, aScenePosition, aSymbolSize, nSymbol,
 549                                     pSymbolProperties->BorderColor, pSymbolProperties->FillColor);
 550                             }
 551                             else if (pSymbolProperties->Style == SymbolStyle_GRAPHIC)
 552                             {
 553                                 ShapeFactory::createGraphic2D(xPointGroupShape_Shapes,
 554                                                                  aScenePosition, aSymbolSize,
 555                                                                  pSymbolProperties->Graphic);
 556                             }
 557                             //@todo other symbol styles
 558                         }
 559
 560                         //create data point label
 561                         if( pSeries->getDataPointLabelIfLabel(nIndex) )
 562                         {
 563                             LabelAlignment eAlignment = LABEL_ALIGN_TOP;
 564                             drawing::Position3D aScenePosition3D( aScenePosition.PositionX
 565                                         , aScenePosition.PositionY
 566                                         , aScenePosition.PositionZ+getTransformedDepth() );
 567
 568                             sal_Int32 nLabelPlacement = pSeries->getLabelPlacement(
 569                                 nIndex, m_xChartTypeModel, m_pPosHelper->isSwapXAndY());
 570
 571                             switch(nLabelPlacement)
 572                             {
 573                             case css::chart::DataLabelPlacement::TOP:
 574                                 aScenePosition3D.PositionY -= (aSymbolSize.DirectionY/2+1);
 575                                 eAlignment = LABEL_ALIGN_TOP;
 576                                 break;
 577                             case css::chart::DataLabelPlacement::BOTTOM:
 578                                 aScenePosition3D.PositionY += (aSymbolSize.DirectionY/2+1);
 579                                 eAlignment = LABEL_ALIGN_BOTTOM;
 580                                 break;
 581                             case css::chart::DataLabelPlacement::LEFT:
 582                                 aScenePosition3D.PositionX -= (aSymbolSize.DirectionX/2+1);
 583                                 eAlignment = LABEL_ALIGN_LEFT;
 584                                 break;
 585                             case css::chart::DataLabelPlacement::RIGHT:
 586                                 aScenePosition3D.PositionX += (aSymbolSize.DirectionX/2+1);
 587                                 eAlignment = LABEL_ALIGN_RIGHT;
 588                                 break;
 589                             case css::chart::DataLabelPlacement::CENTER:
 590                                 eAlignment = LABEL_ALIGN_CENTER;
 591                                 //todo implement this different for area charts
 592                                 break;
 593                             default:
 594                                 OSL_FAIL("this label alignment is not implemented yet");
 595                                 aScenePosition3D.PositionY -= (aSymbolSize.DirectionY/2+1);
 596                                 eAlignment = LABEL_ALIGN_TOP;
 597                                 break;
 598                             }
 599
 600                             awt::Point aScreenPosition2D;//get the screen position for the labels
 601                             sal_Int32 nOffset = 100; //todo maybe calculate this font height dependent
 602                             if( nLabelPlacement == css::chart::DataLabelPlacement::OUTSIDE )
 603                             {
 604                                 PolarPlottingPositionHelper* pPolarPosHelper
 605                                     = dynamic_cast<PolarPlottingPositionHelper*>(m_pPosHelper);
 606                                 if( pPolarPosHelper )
 607                                 {
 608                                     PolarLabelPositionHelper aPolarLabelPositionHelper(pPolarPosHelper,m_nDimension,m_xLogicTarget);
 609                                     aScreenPosition2D = aPolarLabelPositionHelper.getLabelScreenPositionAndAlignmentForLogicValues(
 610                                         eAlignment, fLogicX, fLogicY, fLogicZ, nOffset );
 611                                 }
 612                             }
 613                             else
 614                             {
 615                                 if(eAlignment==LABEL_ALIGN_CENTER )
 616                                     nOffset = 0;
 617                                 aScreenPosition2D = LabelPositionHelper(m_nDimension,m_xLogicTarget)
 618                                     .transformSceneToScreenPosition( aScenePosition3D );
 619                             }
 620
 621                             createDataLabel( m_xTextTarget, *pSeries, nIndex
 622                                             , fLogicValueForLabeDisplay
 623                                             , aLogicYSumMap[nAttachedAxisIndex], aScreenPosition2D, eAlignment, nOffset );
 624                         }
 625                     }
 626
 627                     //remove PointGroupShape if empty
 628                     if(!xPointGroupShape_Shapes->getCount())
 629                         xSeriesGroupShape_Shapes->remove(xPointGroupShape_Shapes);
 630
 631                 }//next series in x slot (next y slot)
 632             }//next x slot
 633         }//next z slot
 634     }//next category
 635
 636     impl_createSeriesShapes();
 637
 638 }
 639
 640 } //namespace chart
 641
 642 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */