chart2/source/view/axes/VCartesianGrid.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.
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   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 "VCartesianGrid.hxx"
  21 #include "Tickmarks.hxx"
  22 #include "PlottingPositionHelper.hxx"
  23 #include "ShapeFactory.hxx"
  24 #include "ObjectIdentifier.hxx"
  25 #include "macros.hxx"
  26 #include "CommonConverters.hxx"
  27 #include "AxisHelper.hxx"
  28 #include <com/sun/star/drawing/PointSequenceSequence.hpp>
  29 #include <com/sun/star/drawing/LineStyle.hpp>
  30
  31 #include <vector>
  32 #include <boost/scoped_ptr.hpp>
  33
  34 namespace chart
  35 {
  36 using namespace ::com::sun::star;
  37 using namespace ::com::sun::star::chart2;
  38 using ::com::sun::star::uno::Reference;
  39 using ::com::sun::star::uno::Sequence;
  40
  41 struct GridLinePoints
  42 {
  43     Sequence< double > P0;
  44     Sequence< double > P1;
  45     Sequence< double > P2;
  46
  47     GridLinePoints( const PlottingPositionHelper* pPosHelper, sal_Int32 nDimensionIndex
  48         , CuboidPlanePosition eLeftWallPos=CuboidPlanePosition_Left
  49         , CuboidPlanePosition eBackWallPos=CuboidPlanePosition_Back
  50         , CuboidPlanePosition eBottomPos=CuboidPlanePosition_Bottom );
  51     void update( double fScaledTickValue );
  52
  53     sal_Int32 m_nDimensionIndex;
  54 };
  55
  56 GridLinePoints::GridLinePoints( const PlottingPositionHelper* pPosHelper, sal_Int32 nDimensionIndex
  57                 , CuboidPlanePosition eLeftWallPos
  58                 , CuboidPlanePosition eBackWallPos
  59                 , CuboidPlanePosition eBottomPos )
  60                 : m_nDimensionIndex(nDimensionIndex)
  61 {
  62     double MinX = pPosHelper->getLogicMinX();
  63     double MinY = pPosHelper->getLogicMinY();
  64     double MinZ = pPosHelper->getLogicMinZ();
  65     double MaxX = pPosHelper->getLogicMaxX();
  66     double MaxY = pPosHelper->getLogicMaxY();
  67     double MaxZ = pPosHelper->getLogicMaxZ();
  68
  69     pPosHelper->doLogicScaling( &MinX,&MinY,&MinZ );
  70     pPosHelper->doLogicScaling( &MaxX,&MaxY,&MaxZ );
  71
  72     if(!pPosHelper->isMathematicalOrientationX())
  73     {
  74         double fHelp = MinX;
  75         MinX = MaxX;
  76         MaxX = fHelp;
  77     }
  78     if(!pPosHelper->isMathematicalOrientationY())
  79     {
  80         double fHelp = MinY;
  81         MinY = MaxY;
  82         MaxY = fHelp;
  83     }
  84     if(pPosHelper->isMathematicalOrientationZ())//z axis in draw is reverse to mathematical
  85     {
  86         double fHelp = MinZ;
  87         MinZ = MaxZ;
  88         MaxZ = fHelp;
  89     }
  90     bool bSwapXY = pPosHelper->isSwapXAndY();
  91
  92     P0.realloc(3);
  93     P1.realloc(3);
  94     P2.realloc(3);
  95
  96     //P0: point on 'back' wall, not on 'left' wall
  97     //P1: point on both walls
  98     //P2: point on 'left' wall not on 'back' wall
  99
 100     P0[0]=P1[0]=P2[0]= (CuboidPlanePosition_Left == eLeftWallPos || bSwapXY) ? MinX : MaxX;
 101     P0[1]=P1[1]=P2[1]= (CuboidPlanePosition_Left == eLeftWallPos || !bSwapXY) ? MinY : MaxY;
 102     P0[2]=P1[2]=P2[2]= (CuboidPlanePosition_Back == eBackWallPos) ? MinZ : MaxZ;
 103
 104     if(m_nDimensionIndex==0)
 105     {
 106         P0[1]= (CuboidPlanePosition_Left == eLeftWallPos || !bSwapXY) ? MaxY : MinY;
 107         P2[2]= (CuboidPlanePosition_Back == eBackWallPos) ? MaxZ : MinZ;
 108         if( CuboidPlanePosition_Bottom != eBottomPos && !bSwapXY )
 109             P2=P1;
 110     }
 111     else if(m_nDimensionIndex==1)
 112     {
 113         P0[0]= (CuboidPlanePosition_Left == eLeftWallPos || bSwapXY) ? MaxX : MinX;
 114         P2[2]= (CuboidPlanePosition_Back == eBackWallPos) ? MaxZ : MinZ;
 115         if( CuboidPlanePosition_Bottom != eBottomPos && bSwapXY )
 116             P2=P1;
 117     }
 118     else if(m_nDimensionIndex==2)
 119     {
 120         P0[0]= (CuboidPlanePosition_Left == eLeftWallPos || bSwapXY) ? MaxX : MinX;
 121         P2[1]= (CuboidPlanePosition_Left == eLeftWallPos || !bSwapXY) ? MaxY : MinY;
 122         if( CuboidPlanePosition_Bottom != eBottomPos )
 123         {
 124             if( !bSwapXY )
 125                 P0=P1;
 126             else
 127                 P2=P1;
 128         }
 129     }
 130 }
 131
 132 void GridLinePoints::update( double fScaledTickValue )
 133 {
 134     P0[m_nDimensionIndex] = P1[m_nDimensionIndex] = P2[m_nDimensionIndex] = fScaledTickValue;
 135 }
 136
 137 void addLine2D( drawing::PointSequenceSequence& rPoints, sal_Int32 nIndex
 138              , const GridLinePoints& rScaledLogicPoints
 139              , const Reference< XTransformation > & xTransformation
 140               )
 141 {
 142     drawing::Position3D aPA = SequenceToPosition3D( xTransformation->transform( rScaledLogicPoints.P0 ) );
 143     drawing::Position3D aPB = SequenceToPosition3D( xTransformation->transform( rScaledLogicPoints.P1 ) );
 144
 145     rPoints[nIndex].realloc(2);
 146     rPoints[nIndex][0].X = static_cast<sal_Int32>(aPA.PositionX);
 147     rPoints[nIndex][0].Y = static_cast<sal_Int32>(aPA.PositionY);
 148     rPoints[nIndex][1].X = static_cast<sal_Int32>(aPB.PositionX);
 149     rPoints[nIndex][1].Y = static_cast<sal_Int32>(aPB.PositionY);
 150 }
 151
 152 void addLine3D( drawing::PolyPolygonShape3D& rPoints, sal_Int32 nIndex
 153             , const GridLinePoints& rBasePoints
 154             , const Reference< XTransformation > & xTransformation )
 155 {
 156     drawing::Position3D aPoint = SequenceToPosition3D( xTransformation->transform( rBasePoints.P0 ) );
 157     AddPointToPoly( rPoints, aPoint, nIndex );
 158     aPoint = SequenceToPosition3D( xTransformation->transform( rBasePoints.P1 ) );
 159     AddPointToPoly( rPoints, aPoint, nIndex );
 160     aPoint = SequenceToPosition3D( xTransformation->transform( rBasePoints.P2 ) );
 161     AddPointToPoly( rPoints, aPoint, nIndex );
 162 }
 163
 164 VCartesianGrid::VCartesianGrid( sal_Int32 nDimensionIndex, sal_Int32 nDimensionCount
 165                                , const Sequence< Reference< beans::XPropertySet > > & rGridPropertiesList )
 166             : VAxisOrGridBase( nDimensionIndex, nDimensionCount )
 167             , m_aGridPropertiesList( rGridPropertiesList )
 168 {
 169     m_pPosHelper = new PlottingPositionHelper();
 170 }
 171
 172 VCartesianGrid::~VCartesianGrid()
 173 {
 174     delete m_pPosHelper;
 175     m_pPosHelper = NULL;
 176 }
 177
 178 void VCartesianGrid::fillLinePropertiesFromGridModel( ::std::vector<VLineProperties>& rLinePropertiesList
 179                                      , const Sequence< Reference< beans::XPropertySet > > & rGridPropertiesList )
 180 {
 181     rLinePropertiesList.clear();
 182     if( !rGridPropertiesList.getLength() )
 183         return;
 184
 185     VLineProperties aLineProperties;
 186     for( sal_Int32 nN=0; nN < rGridPropertiesList.getLength(); nN++ )
 187     {
 188         if(!AxisHelper::isGridVisible( rGridPropertiesList[nN] ))
 189             aLineProperties.LineStyle = uno::makeAny( drawing::LineStyle_NONE );
 190         else
 191             aLineProperties.initFromPropertySet( rGridPropertiesList[nN] );
 192         rLinePropertiesList.push_back(aLineProperties);
 193     }
 194 };
 195
 196 void VCartesianGrid::createShapes()
 197 {
 198     if(!m_aGridPropertiesList.getLength())
 199         return;
 200     //somehow equal to axis tickmarks
 201
 202     //create named group shape
 203     Reference< drawing::XShapes > xGroupShape_Shapes(
 204         this->createGroupShape( m_xLogicTarget, m_aCID ) );
 205
 206     if(!xGroupShape_Shapes.is())
 207         return;
 208
 209     ::std::vector<VLineProperties> aLinePropertiesList;
 210     fillLinePropertiesFromGridModel( aLinePropertiesList, m_aGridPropertiesList );
 211
 212     //create all scaled tickmark values
 213     boost::scoped_ptr< TickFactory > apTickFactory( this->createTickFactory() );
 214     TickFactory& aTickFactory = *apTickFactory.get();
 215     TickInfoArraysType aAllTickInfos;
 216     aTickFactory.getAllTicks( aAllTickInfos );
 217
 218     //create tick mark line shapes
 219     TickInfoArraysType::iterator aDepthIter             = aAllTickInfos.begin();
 220     const TickInfoArraysType::const_iterator aDepthEnd  = aAllTickInfos.end();
 221
 222     if(aDepthIter == aDepthEnd)//no tickmarks at all
 223         return;
 224
 225     sal_Int32 nLinePropertiesCount = aLinePropertiesList.size();
 226     for( sal_Int32 nDepth=0
 227         ; aDepthIter != aDepthEnd && nDepth < nLinePropertiesCount
 228         ; ++aDepthIter, nDepth++ )
 229     {
 230         if( !aLinePropertiesList[nDepth].isLineVisible() )
 231             continue;
 232
 233         Reference< drawing::XShapes > xTarget( xGroupShape_Shapes );
 234         if( nDepth > 0 )
 235         {
 236             xTarget.set( this->createGroupShape( m_xLogicTarget
 237                 , ObjectIdentifier::addChildParticle( m_aCID, ObjectIdentifier::createChildParticleWithIndex( OBJECTTYPE_SUBGRID, nDepth-1 ) )
 238                 ) );
 239             if(!xTarget.is())
 240                 xTarget.set( xGroupShape_Shapes );
 241         }
 242
 243         if(2==m_nDimension)
 244         {
 245
 246             GridLinePoints aGridLinePoints( m_pPosHelper, m_nDimensionIndex );
 247
 248             sal_Int32 nPointCount = (*aDepthIter).size();
 249             drawing::PointSequenceSequence aPoints(nPointCount);
 250
 251             TickInfoArrayType::const_iterator       aTickIter = (*aDepthIter).begin();
 252             const TickInfoArrayType::const_iterator aTickEnd  = (*aDepthIter).end();
 253             sal_Int32 nRealPointCount = 0;
 254             for( ; aTickIter != aTickEnd; ++aTickIter )
 255             {
 256                 if( !(*aTickIter).bPaintIt )
 257                     continue;
 258                 aGridLinePoints.update( (*aTickIter).fScaledTickValue );
 259                 addLine2D( aPoints, nRealPointCount, aGridLinePoints, m_pPosHelper->getTransformationScaledLogicToScene() );
 260                 nRealPointCount++;
 261             }
 262             aPoints.realloc(nRealPointCount);
 263             m_pShapeFactory->createLine2D( xTarget, aPoints, &aLinePropertiesList[nDepth] );
 264
 265             //prepare polygon for handle shape:
 266             drawing::PointSequenceSequence aHandlesPoints(1);
 267             sal_Int32 nOldHandleCount = aHandlesPoints[0].getLength();
 268             aHandlesPoints[0].realloc(nOldHandleCount+nRealPointCount);
 269             for( sal_Int32 nN = 0; nN<nRealPointCount; nN++)
 270                 aHandlesPoints[0][nOldHandleCount+nN] = aPoints[nN][1];
 271
 272             //create handle shape:
 273             VLineProperties aHandleLineProperties;
 274             aHandleLineProperties.LineStyle    = uno::makeAny( drawing::LineStyle_NONE );
 275             Reference< drawing::XShape > xHandleShape =
 276                 m_pShapeFactory->createLine2D( xTarget, aHandlesPoints, &aHandleLineProperties );
 277             ::chart::AbstractShapeFactory::setShapeName( xHandleShape, "HandlesOnly" );
 278         }
 279         else //if(2!=m_nDimension)
 280         {
 281             GridLinePoints aGridLinePoints( m_pPosHelper, m_nDimensionIndex, m_eLeftWallPos, m_eBackWallPos, m_eBottomPos );
 282
 283             sal_Int32 nPointCount = (*aDepthIter).size();
 284             drawing::PolyPolygonShape3D aPoints;
 285             aPoints.SequenceX.realloc(nPointCount);
 286             aPoints.SequenceY.realloc(nPointCount);
 287             aPoints.SequenceZ.realloc(nPointCount);
 288
 289             TickInfoArrayType::const_iterator       aTickIter = (*aDepthIter).begin();
 290             const TickInfoArrayType::const_iterator aTickEnd  = (*aDepthIter).end();
 291             sal_Int32 nRealPointCount = 0;
 292             sal_Int32 nPolyIndex = 0;
 293             for( ; aTickIter != aTickEnd; ++aTickIter, ++nPolyIndex )
 294             {
 295                 if( !(*aTickIter).bPaintIt )
 296                     continue;
 297
 298                 aGridLinePoints.update( (*aTickIter).fScaledTickValue );
 299                 addLine3D( aPoints, nPolyIndex, aGridLinePoints, m_pPosHelper->getTransformationScaledLogicToScene() );
 300                 nRealPointCount+=3;
 301             }
 302             aPoints.SequenceX.realloc(nRealPointCount);
 303             aPoints.SequenceY.realloc(nRealPointCount);
 304             aPoints.SequenceZ.realloc(nRealPointCount);
 305             m_pShapeFactory->createLine3D( xTarget, aPoints, aLinePropertiesList[nDepth] );
 306         }
 307     }
 308 }
 309
 310 } //namespace chart
 311
 312 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */