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basisCurves.h
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2 // Copyright 2016 Pixar
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24 #ifndef HD_BASIS_CURVES_H
25 #define HD_BASIS_CURVES_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hd/api.h"
29 #include "pxr/imaging/hd/version.h"
30 #include "pxr/imaging/hd/rprim.h"
31 
32 PXR_NAMESPACE_OPEN_SCOPE
33 
40  HdBasisCurvesGeomStyle geomStyle = HdBasisCurvesGeomStyleInvalid)
41  : geomStyle(geomStyle)
42  {}
43 
44  bool IsEmpty() const {
45  return geomStyle == HdBasisCurvesGeomStyleInvalid;
46  }
47 
48  HdBasisCurvesGeomStyle geomStyle;
49 };
50 
53 class HdBasisCurves : public HdRprim {
54 public:
55  HD_API
56  virtual ~HdBasisCurves();
57 
62  inline HdDisplayStyle GetDisplayStyle(HdSceneDelegate* delegate) const;
63 
65  HD_API
66  static void ConfigureRepr(TfToken const &reprName,
68 
70  HD_API
71  static bool IsEnabledForceRefinedCurves();
72 
73 protected:
74  HD_API
75  HdBasisCurves(SdfPath const& id,
76  SdfPath const& instancerId = SdfPath());
77 
78  typedef _ReprDescConfigs<HdBasisCurvesReprDesc> _BasisCurvesReprConfig;
79 
80  HD_API
81  static _BasisCurvesReprConfig::DescArray
82  _GetReprDesc(TfToken const &reprName);
83 
84 private:
85  // Class can not be default constructed or copied.
86  HdBasisCurves() = delete;
87  HdBasisCurves(const HdBasisCurves &) = delete;
88  HdBasisCurves &operator =(const HdBasisCurves &) = delete;
89 
90  static _BasisCurvesReprConfig _reprDescConfig;
91 };
92 
95 {
96  return delegate->GetBasisCurvesTopology(GetId());
97 }
98 
99 inline HdDisplayStyle
100 HdBasisCurves::GetDisplayStyle(HdSceneDelegate* delegate) const
101 {
102  return delegate->GetDisplayStyle(GetId());
103 }
104 
105 
106 PXR_NAMESPACE_CLOSE_SCOPE
107 
108 #endif // HD_BASIS_CURVES_H
virtual HD_API HdBasisCurvesTopology GetBasisCurvesTopology(SdfPath const &id)
Gets the topological curve data for a given prim.
Describes how the geometry of a prim should be displayed.
Definition: sceneDelegate.h:79
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
The render engine state for a given rprim from the scene graph.
Definition: rprim.h:67
Adapter class providing data exchange with the client scene graph.
Descriptor to configure a drawItem for a repr.
Definition: basisCurves.h:38
SdfPath const & GetId() const
Returns the identifier of this Rprim.
Definition: rprim.h:176
HdBasisCurvesTopology GetBasisCurvesTopology(HdSceneDelegate *delegate) const
Topology.
Definition: basisCurves.h:94
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
Topology data for basisCurves.
static HD_API bool IsEnabledForceRefinedCurves()
Returns whether refinement is always on or not.
static HD_API void ConfigureRepr(TfToken const &reprName, HdBasisCurvesReprDesc desc)
Configure geometric style of drawItems for reprName.
virtual HD_API HdDisplayStyle GetDisplayStyle(SdfPath const &id)
Returns the refinement level for the given prim in the range [0,8].
Hydra Schema for a collection of curves using a particular basis.
Definition: basisCurves.h:53