xref: /AOO41X/main/svx/inc/svx/sdr/contact/viewcontactofe3d.hxx (revision 3334a7e6acdae9820fa1a6f556bb10129a8de6b2)
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21 
22 
23 
24 #ifndef _SDR_CONTACT_VIEWCONTACTOFE3D_HXX
25 #define _SDR_CONTACT_VIEWCONTACTOFE3D_HXX
26 
27 #include <svx/sdr/contact/viewcontactofsdrobj.hxx>
28 #include <drawinglayer/primitive3d/baseprimitive3d.hxx>
29 
30 //////////////////////////////////////////////////////////////////////////////
31 // predeclarations
32 
33 namespace sdr { namespace contact {
34     class ViewContactOfE3dScene;
35 }}
36 
37 namespace drawinglayer { namespace attribute {
38     class SdrLineAttribute;
39 }}
40 
41 namespace basegfx {
42     class BColor;
43     class B3DHomMatrix;
44 }
45 
46 class E3dObject;
47 
48 //////////////////////////////////////////////////////////////////////////////
49 
50 namespace sdr
51 {
52     namespace contact
53     {
54         class ViewContactOfE3d : public ViewContactOfSdrObj
55         {
56         protected:
57             // Create a Object-Specific ViewObjectContact, set ViewContact and
58             // ObjectContact. Always needs to return something.
59             virtual ViewObjectContact& CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact);
60 
61         public:
62             // basic constructor, used from E3dObject.
63             ViewContactOfE3d(E3dObject& rObj);
64             virtual ~ViewContactOfE3d();
65 
66             // access to E3dObject
GetE3dObject() const67             E3dObject& GetE3dObject() const
68             {
69                 return (E3dObject&)GetSdrObject();
70             }
71 
72             // public helpers
73             drawinglayer::primitive2d::Primitive2DSequence impCreateWithGivenPrimitive3DSequence(
74                 const drawinglayer::primitive3d::Primitive3DSequence& rxContent3D) const;
75 
76             //////////////////////////////////////////////////////////////////////////////
77             // primitive stuff
78 
79         protected:
80             // Primitive3DSequence of the ViewContact. This contains all necessary information
81             // for the graphical visualisation and needs to be supported by all 3D VCs which
82             // can be visualized. It does NOT contain the object transformation to be able to
83             // buffer for all possible usages
84             drawinglayer::primitive3d::Primitive3DSequence              mxViewIndependentPrimitive3DSequence;
85 
86             // This method is responsible for creating the graphical visualisation data which is
87             // stored in mxViewIndependentPrimitive3DSequence, but without object transformation
88             virtual drawinglayer::primitive3d::Primitive3DSequence createViewIndependentPrimitive3DSequence() const = 0;
89 
90             // This method is responsible for creating the graphical visualisation data derived ONLY from
91             // the model data. The default implementation will try to create a 3D to 2D embedding (will work
92             // when scene is known) which can then be used for 2D processing concerning ranges
93             virtual drawinglayer::primitive2d::Primitive2DSequence createViewIndependentPrimitive2DSequence() const;
94 
95             // helper to enable test-visualisation of invisible 3D obects
96             drawinglayer::attribute::SdrLineAttribute* impCreateFallbackLineAttribute(const basegfx::BColor& rBColor) const;
97 
98         public:
99             // access to the local primitive without the object's local 3D transform. This is e.g. needed
100             // to get the not-yet transformed BoundVolume for e.g. interactions
101             drawinglayer::primitive3d::Primitive3DSequence getVIP3DSWithoutObjectTransform() const;
102 
103             // access to the local primitive. This will ensure that the list is
104             // current in comparing the local list content with a fresh created incarnation. It will
105             // use getVIP3DSWithoutObjectTransform and embed to 3d transform primitive when object's
106             // local 3d transform is used
107             drawinglayer::primitive3d::Primitive3DSequence getViewIndependentPrimitive3DSequence() const;
108         };
109     } // end of namespace contact
110 } // end of namespace sdr
111 
112 //////////////////////////////////////////////////////////////////////////////
113 
114 #endif //_SDR_CONTACT_VIEWCONTACTOFE3D_HXX
115 
116 // eof
117