svx/source/sdr/overlay/overlayobjectlist.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svx.hxx"
  33 #include <svx/sdr/overlay/overlayobjectlist.hxx>
  34 #include <svx/sdr/overlay/overlaymanager.hxx>
  35 #include <tools/debug.hxx>
  36 #include <vcl/outdev.hxx>
  37 #include <basegfx/matrix/b2dhommatrix.hxx>
  38
  39 // for SOLARIS compiler include of algorithm part of _STL is necesary to
  40 // get access to basic algos like ::std::find
  41 #include <algorithm>
  42
  43 #include <drawinglayer/processor2d/hittestprocessor2d.hxx>
  44
  45 //////////////////////////////////////////////////////////////////////////////
  46
  47 namespace sdr
  48 {
  49     namespace overlay
  50     {
  51         OverlayObjectList::~OverlayObjectList()
  52         {
  53             clear();
  54         }
  55
  56         void OverlayObjectList::clear()
  57         {
  58             OverlayObjectVector::iterator aStart(maVector.begin());
  59
  60             for(; aStart != maVector.end(); aStart++)
  61             {
  62                 ::sdr::overlay::OverlayObject* pCandidate = *aStart;
  63
  64                 if(pCandidate->getOverlayManager())
  65                 {
  66                     pCandidate->getOverlayManager()->remove(*pCandidate);
  67                 }
  68
  69                 delete pCandidate;
  70             }
  71
  72             maVector.clear();
  73         }
  74
  75         void OverlayObjectList::remove(OverlayObject& rOverlayObject)
  76         {
  77             const OverlayObjectVector::iterator aFindResult = ::std::find(maVector.begin(), maVector.end(), &rOverlayObject);
  78             const bool bFound(aFindResult != maVector.end());
  79             OSL_ENSURE(bFound, "Could not find given object in list (!)");
  80
  81             if(bFound)
  82             {
  83                 maVector.erase(aFindResult);
  84             }
  85         }
  86
  87         bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
  88         {
  89             if(maVector.size())
  90             {
  91                 OverlayObjectVector::const_iterator aStart(maVector.begin());
  92                 sdr::overlay::OverlayObject* pFirst = *aStart;
  93                 OSL_ENSURE(pFirst, "Corrupt OverlayObjectList (!)");
  94                 OverlayManager* pManager = pFirst->getOverlayManager();
  95
  96                 if(pManager)
  97                 {
  98                     if(0.0 == fLogicTolerance)
  99                     {
 100                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
 101                             Size(DEFAULT_VALUE_FOR_HITTEST_PIXEL, DEFAULT_VALUE_FOR_HITTEST_PIXEL)));
 102                         fLogicTolerance = aSizeLogic.Width();
 103                     }
 104
 105                     const drawinglayer::geometry::ViewInformation2D aViewInformation2D(pManager->getCurrentViewInformation2D());
 106                     drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
 107                         aViewInformation2D,
 108                         rLogicPosition,
 109                         fLogicTolerance,
 110                         false);
 111
 112                     for(; aStart != maVector.end(); aStart++)
 113                     {
 114                         sdr::overlay::OverlayObject* pCandidate = *aStart;
 115                         OSL_ENSURE(pCandidate, "Corrupt OverlayObjectList (!)");
 116
 117                         if(pCandidate->isHittable())
 118                         {
 119                             const drawinglayer::primitive2d::Primitive2DSequence& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
 120
 121                             if(rSequence.hasElements())
 122                             {
 123                                 aHitTestProcessor2D.process(rSequence);
 124
 125                                 if(aHitTestProcessor2D.getHit())
 126                                 {
 127                                     return true;
 128                                 }
 129                             }
 130                         }
 131                     }
 132                 }
 133             }
 134
 135             return false;
 136         }
 137
 138         bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition, sal_uInt32 nDiscreteTolerance) const
 139         {
 140             if(maVector.size())
 141             {
 142                 OverlayObjectVector::const_iterator aStart(maVector.begin());
 143                 sdr::overlay::OverlayObject* pCandidate = *aStart;
 144                 OverlayManager* pManager = pCandidate->getOverlayManager();
 145
 146                 if(pManager)
 147                 {
 148                     const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
 149                     const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
 150
 151                     if(nDiscreteTolerance)
 152                     {
 153                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
 154                         return isHitLogic(aPosition, (double)aSizeLogic.Width());
 155                     }
 156                     else
 157                     {
 158                         return isHitLogic(aPosition);
 159                     }
 160                 }
 161             }
 162
 163             return false;
 164         }
 165
 166         basegfx::B2DRange OverlayObjectList::getBaseRange() const
 167         {
 168             basegfx::B2DRange aRetval;
 169
 170             if(maVector.size())
 171             {
 172                 OverlayObjectVector::const_iterator aStart(maVector.begin());
 173
 174                 for(; aStart != maVector.end(); aStart++)
 175                 {
 176                     ::sdr::overlay::OverlayObject* pCandidate = *aStart;
 177                     aRetval.expand(pCandidate->getBaseRange());
 178                 }
 179             }
 180
 181             return aRetval;
 182         }
 183     } // end of namespace overlay
 184 } // end of namespace sdr
 185
 186 //////////////////////////////////////////////////////////////////////////////
 187 // eof