Cortex  10.0.0-a4
CurvesPrimitive.h
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34 
35 #ifndef IECORE_CURVESPRIMITIVE_H
36 #define IECORE_CURVESPRIMITIVE_H
37 
38 #include "IECore/Export.h"
39 #include "IECore/Primitive.h"
40 #include "IECore/VectorTypedData.h"
41 #include "IECore/CubicBasis.h"
42 
43 namespace IECore
44 {
45 
49 class IECORE_API CurvesPrimitive : public Primitive
50 {
51  public :
52 
55  CurvesPrimitive( ConstIntVectorDataPtr vertsPerCurve, const CubicBasisf &basis=CubicBasisf::linear(), bool periodic = false, ConstV3fVectorDataPtr p = nullptr );
56  ~CurvesPrimitive() override;
57 
58  IE_CORE_DECLAREOBJECT( CurvesPrimitive, Primitive );
59 
60  size_t numCurves() const;
61  const IntVectorData *verticesPerCurve() const;
62  const CubicBasisf &basis() const;
63  bool periodic() const;
64  void setTopology( ConstIntVectorDataPtr verticesPerCurve, const CubicBasisf &basis, bool periodic );
65 
66  void render( Renderer *renderer ) const override;
68  size_t variableSize( PrimitiveVariable::Interpolation interpolation ) const override;
70  size_t variableSize( PrimitiveVariable::Interpolation interpolation, unsigned curveIndex ) const;
71 
73  unsigned numSegments( unsigned curveIndex ) const;
75  static unsigned numSegments( const CubicBasisf &basis, bool periodic, unsigned numVerts );
76 
78  static Ptr createBox( const Imath::Box3f &b );
79 
80  void topologyHash( MurmurHash &h ) const override;
81 
82  protected :
83 
85  static unsigned int numSegments( bool linear, int step, bool periodic, int numVerts );
86 
87  CubicBasisf m_basis;
88  bool m_linear;
89  bool m_periodic;
90  IntVectorDataPtr m_vertsPerCurve;
91  unsigned m_numVerts;
92  unsigned m_numFaceVarying;
93 
94  private :
95 
96  static const unsigned int m_ioVersion;
97 
98 };
99 
100 IE_CORE_DECLAREPTR( CurvesPrimitive );
101 
102 } // namespace IECore
103 
104 #endif // IECORE_CURVESPRIMITIVE_H
Definition: CurvesPrimitive.h:49
Definition: MurmurHash.h:64
Definition: Renderer.h:93
Interpolation
Definition: PrimitiveVariable.h:53
Definition: Primitive.h:54
This namespace contains all components of the core library.
Definition: AddSmoothSkinningInfluencesOp.h:43