include/svx/sdr/contact/viewcontactofe3d.hxx

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  19
  20 #ifndef INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3D_HXX
  21 #define INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3D_HXX
  22
  23 #include <svx/obj3d.hxx>
  24 #include <svx/sdr/contact/viewcontactofsdrobj.hxx>
  25 #include <drawinglayer/primitive3d/baseprimitive3d.hxx>
  26
  27 namespace drawinglayer { namespace attribute {
  28     class SdrLineAttribute;
  29 }}
  30
  31 namespace basegfx {
  32     class BColor;
  33     class B3DHomMatrix;
  34 }
  35
  36 namespace sdr { namespace contact {
  37
  38 class ViewContactOfE3dScene;
  39
  40 class ViewContactOfE3d : public ViewContactOfSdrObj
  41 {
  42 protected:
  43     // Create an Object-Specific ViewObjectContact, set ViewContact and
  44     // ObjectContact. Always needs to return something.
  45     virtual ViewObjectContact& CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact) override;
  46
  47 public:
  48     // basic constructor, used from E3dObject.
  49     explicit ViewContactOfE3d(E3dObject& rObj);
  50     virtual ~ViewContactOfE3d() override;
  51
  52     // access to E3dObject
  53     const E3dObject& GetE3dObject() const
  54     {
  55         return static_cast<const E3dObject&>(GetSdrObject());
  56     }
  57
  58     // public helpers
  59     drawinglayer::primitive2d::Primitive2DContainer impCreateWithGivenPrimitive3DContainer(
  60         const drawinglayer::primitive3d::Primitive3DContainer& rxContent3D) const;
  61
  62
  63     // primitive stuff
  64
  65     // Primitive3DContainer of the ViewContact. This contains all necessary information
  66     // for the graphical visualisation and needs to be supported by all 3D VCs which
  67     // can be visualized. It does NOT contain the object transformation to be able to
  68     // buffer for all possible usages
  69     drawinglayer::primitive3d::Primitive3DContainer              mxViewIndependentPrimitive3DContainer;
  70
  71 protected:
  72     // This method is responsible for creating the graphical visualisation data which is
  73     // stored in mxViewIndependentPrimitive3DContainer, but without object transformation
  74     virtual drawinglayer::primitive3d::Primitive3DContainer createViewIndependentPrimitive3DContainer() const = 0;
  75
  76     // This method is responsible for creating the graphical visualisation data derived ONLY from
  77     // the model data. The default implementation will try to create a 3D to 2D embedding (will work
  78     // when scene is known) which can then be used for 2D processing concerning ranges
  79     virtual drawinglayer::primitive2d::Primitive2DContainer createViewIndependentPrimitive2DSequence() const override;
  80
  81 public:
  82     // access to the local primitive without the object's local 3D transform. This is e.g. needed
  83     // to get the not-yet transformed BoundVolume for e.g. interactions
  84     drawinglayer::primitive3d::Primitive3DContainer const & getVIP3DSWithoutObjectTransform() const;
  85
  86     // access to the local primitive. This will ensure that the list is
  87     // current in comparing the local list content with a fresh created incarnation. It will
  88     // use getVIP3DSWithoutObjectTransform and embed to 3d transform primitive when object's
  89     // local 3d transform is used
  90     drawinglayer::primitive3d::Primitive3DContainer getViewIndependentPrimitive3DContainer() const;
  91 };
  92
  93 }}
  94
  95
  96 #endif // INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3D_HXX
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */