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# fbxnurbscurve.h

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    00001 /****************************************************************************************
    00002
    00003    Copyright (C) 2013 Autodesk, Inc.
    00004    All rights reserved.
    00005
    00006    Use of this software is subject to the terms of the Autodesk license agreement
    00007    provided at the time of installation or download, or which otherwise accompanies
    00008    this software in either electronic or hard copy form.
    00009
    00010 ****************************************************************************************/
    00011
    00013 #ifndef _FBXSDK_SCENE_GEOMETRY_NURBS_CURVE_H_
    00014 #define _FBXSDK_SCENE_GEOMETRY_NURBS_CURVE_H_
    00015
    00016 #include <fbxsdk/fbxsdk_def.h>
    00017
    00018 #include <fbxsdk/scene/geometry/fbxgeometry.h>
    00019 #include <fbxsdk/scene/geometry/fbxline.h>
    00020
    00021 #include <fbxsdk/fbxsdk_nsbegin.h>
    00022
    00060 class FBXSDK_DLL FbxNurbsCurve : public FbxGeometry
    00061 {
    00062     FBXSDK_OBJECT_DECLARE(FbxNurbsCurve,FbxGeometry);
    00063
    00064 public:
    00066     virtual FbxNodeAttribute::EType GetAttributeType() const;
    00067
    00072     enum EDimension
    00073     {
    00074         e2D = 2,
    00075         e3D
    00076     };
    00077
    00083     enum EType
    00084     {
    00085         eOpen,
    00086         eClosed,
    00087         ePeriodic
    00088     };
    00089
    00096     void InitControlPoints( int pCount, EType pVType );
    00097
    00101     inline double* GetKnotVector() const { return mKnotVector; }
    00102
    00106     int GetKnotCount() const;
    00107
    00112     inline void SetOrder( int pOrder ) { mOrder = pOrder; }
    00113
    00117     inline int GetOrder() const { return mOrder; }
    00118
    00123     inline void SetStep( int pStep ) { mStep = pStep; }
    00124
    00129     inline int GetStep() const { return mStep; }
    00130
    00136     inline void SetDimension( EDimension pDimension ) { mDimension = pDimension; }
    00137
    00141     inline EDimension GetDimension() const { return mDimension; }
    00142
    00146     bool IsRational();
    00147
    00160     int GetSpanCount() const;
    00161
    00165     inline EType GetType() const { return mNurbsType; }
    00166
    00172     inline bool IsPolyline() const { return ( GetOrder() == 2 ); }
    00173
    00178     bool IsBezier() const;
    00179
    00185     int TessellateCurve(FbxArray<FbxVector4>& pPointArray, int pStep = 16);
    00186
    00191     FbxLine* TessellateCurve(int pStep = 16);
    00192
    00193 /*****************************************************************************************************************************
    00194 ** WARNING! Anything beyond these lines is for internal use, may not be documented and is subject to change without notice! **
    00195 *****************************************************************************************************************************/
    00196 #ifndef DOXYGEN_SHOULD_SKIP_THIS
    00197     virtual FbxObject& Copy(const FbxObject& pObject);
    00198
    00199     bool FullMultiplicity() const;
    00200
    00201     // Error identifiers, these are only used internally.
    00202     enum EErrorCode
    00203     {
    00204         eNurbsCurveTypeUnknown,
    00205         eWeightTooSmall,
    00206         eKnotVectorError,
    00207         eWrongNumberOfControlPoint,
    00208         eErrorCount
    00209     };
    00210
    00211     bool mIsRational;
    00212
    00213 protected:
    00214     virtual void Construct(const FbxNurbsCurve* pFrom);
    00215     virtual void Destruct(bool pRecursive);
    00216
    00217     void Reset();
    00218
    00219 private:
    00220     double*     mKnotVector;
    00221     EType       mNurbsType;
    00222     int         mOrder;
    00223     EDimension  mDimension;
    00224     int         mStep;
    00225 #endif /* !DOXYGEN_SHOULD_SKIP_THIS *****************************************************************************************/
    00226 };
    00227
    00228 #include <fbxsdk/fbxsdk_nsend.h>
    00229
    00230 #endif /* _FBXSDK_SCENE_GEOMETRY_NURBS_CURVE_H_ */