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overlayobjectlist.cxx
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19 
22 #include <vcl/outdev.hxx>
23 #include <tools/gen.hxx>
24 
26 #include <comphelper/lok.hxx>
27 
28 #define DEFAULT_VALUE_FOR_HITTEST_PIXEL (2)
29 #define DEFAULT_VALUE_FOR_HITTEST_TWIP (30)
30 
31 namespace sdr::overlay
32 {
34  {
35  clear();
36  }
37 
39  {
40  for(auto & pCandidate : maVector)
41  {
42  if(pCandidate->getOverlayManager())
43  pCandidate->getOverlayManager()->remove(*pCandidate);
44  }
45  maVector.clear();
46  }
47 
48  void OverlayObjectList::append(std::unique_ptr<OverlayObject> pOverlayObject)
49  {
50  assert(pOverlayObject && "tried to add invalid OverlayObject to OverlayObjectList");
51  maVector.push_back(std::move(pOverlayObject));
52  }
53 
54  bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
55  {
56  if(!maVector.empty())
57  {
58  OverlayObject* pFirst = maVector.front().get();
59  OverlayManager* pManager = pFirst->getOverlayManager();
60 
61  if(pManager)
62  {
63  if(0.0 == fLogicTolerance)
64  {
65  Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
67 
68  // When tiled rendering, we always work in logic units, use the non-pixel default.
70  {
72  if (pManager->getOutputDevice().GetMapMode().GetMapUnit() == MapUnit::Map100thMM)
73  aSizeLogic = OutputDevice::LogicToLogic(aSizeLogic, MapMode(MapUnit::MapTwip), MapMode(MapUnit::Map100thMM));
74  }
75 
76  fLogicTolerance = aSizeLogic.Width();
77  }
78 
79  const drawinglayer::geometry::ViewInformation2D& aViewInformation2D(pManager->getCurrentViewInformation2D());
81  aViewInformation2D,
82  rLogicPosition,
83  fLogicTolerance,
84  false);
85 
86  for(auto & pCandidate : maVector)
87  {
88  if(pCandidate->isHittable())
89  {
90  const drawinglayer::primitive2d::Primitive2DContainer& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
91 
92  if(!rSequence.empty())
93  {
94  aHitTestProcessor2D.process(rSequence);
95 
96  if(aHitTestProcessor2D.getHit())
97  {
98  return true;
99  }
100  }
101  }
102  }
103  }
104  }
105 
106  return false;
107  }
108 
109  bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition) const
110  {
111  sal_uInt32 nDiscreteTolerance = DEFAULT_VALUE_FOR_HITTEST_PIXEL;
112  if(!maVector.empty())
113  {
114  OverlayObject* pCandidate = maVector.front().get();
115  OverlayManager* pManager = pCandidate->getOverlayManager();
116 
117  if(pManager)
118  {
119  const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
120  const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
121 
122  const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
123  return isHitLogic(aPosition, static_cast<double>(aSizeLogic.Width()));
124  }
125  }
126 
127  return false;
128  }
129 
131  {
132  basegfx::B2DRange aRetval;
133 
134  for(auto & pCandidate : maVector)
135  {
136  aRetval.expand(pCandidate->getBaseRange());
137  }
138 
139  return aRetval;
140  }
141 
142 } // end of namespace
143 
144 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void expand(const B2DTuple &rTuple)
Point LogicToLogic(const Point &rPtSource, const MapMode *pMapModeSource, const MapMode *pMapModeDest) const
bool isHitPixel(const Point &rDiscretePosition) const
const MapMode & GetMapMode() const
void append(std::unique_ptr< OverlayObject > pOverlayObject)
#define DEFAULT_VALUE_FOR_HITTEST_PIXEL
#define DEFAULT_VALUE_FOR_HITTEST_TWIP
OverlayManager * getOverlayManager() const
const BorderLinePrimitive2D *pCandidateB assert(pCandidateA)
::std::vector< std::unique_ptr< OverlayObject > > maVector
MapUnit GetMapUnit() const
drawinglayer::geometry::ViewInformation2D const & getCurrentViewInformation2D() const
Point PixelToLogic(const Point &rDevicePt) const
OutputDevice & getOutputDevice() const
basegfx::B2DRange getBaseRange() const
bool isHitLogic(const basegfx::B2DPoint &rLogicPosition, double fLogicTolerance=0.0) const