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viewobjectcontactofe3dscene.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 
27 
28 
29 using namespace com::sun::star;
30 
31 
32 namespace
33 {
34  // Helper method to recursively travel the DrawHierarchy for 3D objects contained in
35  // the 2D Scene. This will create all VOCs for the current OC which are needed
36  // for ActionChanged() functionality
37  void impInternalSubHierarchyTraveller(const sdr::contact::ViewObjectContact& rVOC)
38  {
39  const sdr::contact::ViewContact& rVC = rVOC.GetViewContact();
40  const sal_uInt32 nSubHierarchyCount(rVC.GetObjectCount());
41 
42  for(sal_uInt32 a(0); a < nSubHierarchyCount; a++)
43  {
45  impInternalSubHierarchyTraveller(rCandidate);
46  }
47  }
48 } // end of anonymous namespace
49 
50 
51 namespace sdr::contact
52 {
53  ViewObjectContactOfE3dScene::ViewObjectContactOfE3dScene(ObjectContact& rObjectContact, ViewContact& rViewContact)
54  : ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
55  {
56  }
57 
59  {
60  }
61 
63  {
64  // handle ghosted, else the whole 3d group will be encapsulated to a ghosted primitive set (see below)
65  const bool bHandleGhostedDisplay(GetObjectContact().DoVisualizeEnteredGroup() && !GetObjectContact().isOutputToPrinter() && rDisplayInfo.IsGhostedDrawModeActive());
66  const bool bIsActiveVC(bHandleGhostedDisplay && GetObjectContact().getActiveViewContact() == &GetViewContact());
67 
68  if(bIsActiveVC)
69  {
70  // switch off ghosted, display contents normal
71  const_cast< DisplayInfo& >(rDisplayInfo).ClearGhostedDrawMode();
72  }
73 
74  // create 2d primitive with content, use layer visibility test
75  // this uses no ghosted mode, so scenes in scenes and entering them will not
76  // support ghosted for now. This is no problem currently but would need to be
77  // added when sub-groups in 3d will be added one day.
78  const ViewContactOfE3dScene& rViewContact = dynamic_cast< ViewContactOfE3dScene& >(GetViewContact());
79  const SdrLayerIDSet& rVisibleLayers = rDisplayInfo.GetProcessLayers();
81 
82  if(!xRetval.empty())
83  {
84  // allow evtl. embedding in object-specific infos, e.g. Name, Title, Description
85  xRetval = rViewContact.embedToObjectSpecificInformation(xRetval);
86 
87  // handle GluePoint
88  if(!GetObjectContact().isOutputToPrinter() && GetObjectContact().AreGluePointsVisible())
89  {
90  const drawinglayer::primitive2d::Primitive2DContainer xGlue(GetViewContact().createGluePointPrimitive2DSequence());
91 
92  if(!xGlue.empty())
93  {
94  xRetval.append(xGlue);
95  }
96  }
97 
98  // handle ghosted
99  if(isPrimitiveGhosted(rDisplayInfo))
100  {
101  const ::basegfx::BColor aRGBWhite(1.0, 1.0, 1.0);
102  const ::basegfx::BColorModifierSharedPtr aBColorModifier =
103  std::make_shared<basegfx::BColorModifier_interpolate>(
104  aRGBWhite,
105  0.5);
108  xRetval,
109  aBColorModifier));
110 
111  xRetval = drawinglayer::primitive2d::Primitive2DContainer { xReference };
112  }
113  }
114 
115  if(bIsActiveVC)
116  {
117  // set back, display ghosted again
118  const_cast< DisplayInfo& >(rDisplayInfo).SetGhostedDrawMode();
119  }
120 
121  return xRetval;
122  }
123 
125  {
126  // To get the VOCs for the contained 3D objects created to get the correct
127  // Draw hierarchy and ActionChanged() working properly, travel the DrawHierarchy
128  // using a local tooling method
129  impInternalSubHierarchyTraveller(*this);
130 
131  // call parent
133  }
134 
135 } // end of namespace
136 
137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual drawinglayer::primitive2d::Primitive2DContainer getPrimitive2DSequenceHierarchy(DisplayInfo &rDisplayInfo) const
ViewObjectContact & GetViewObjectContact(ObjectContact &rObjectContact)
Definition: viewcontact.cxx:71
virtual bool isPrimitiveGhosted(const DisplayInfo &rDisplayInfo) const
const SdrLayerIDSet & GetProcessLayers() const
Definition: displayinfo.hxx:75
virtual drawinglayer::primitive2d::Primitive2DContainer createPrimitive2DSequence(const DisplayInfo &rDisplayInfo) const override
ObjectContact & GetObjectContact() const
uno_Any a
virtual drawinglayer::primitive2d::Primitive2DContainer getPrimitive2DSequenceHierarchy(DisplayInfo &rDisplayInfo) const override
drawinglayer::primitive2d::Primitive2DContainer createScenePrimitive2DSequence(const SdrLayerIDSet *pLayerVisibility) const
virtual sal_uInt32 GetObjectCount() const
css::uno::Reference< css::graphic::XPrimitive2D > Primitive2DReference
bool IsGhostedDrawModeActive() const
Definition: displayinfo.hxx:95
virtual drawinglayer::primitive2d::Primitive2DContainer embedToObjectSpecificInformation(drawinglayer::primitive2d::Primitive2DContainer aSource) const override
virtual ViewContact & GetViewContact(sal_uInt32 nIndex) const
ViewContact & GetViewContact() const