NurbsCurve.h

00001 //***************************************************************************************
00002 //
00003 // File supervisor: Softimage 3D Games & 3D Bridge team
00004 //
00005 // (c) Copyright 2001-2002 Avid Technology, Inc. . All rights reserved.
00006 //
00007 //***************************************************************************************
00008 
00009 /****************************************************************************************
00010 THIS CODE IS PUBLISHED AS A SAMPLE ONLY AND IS PROVIDED "AS IS".
00011 IN NO EVENT SHALL SOFTIMAGE, AVID TECHNOLOGY, INC. AND/OR THEIR RESPECTIVE
00012 SUPPLIERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
00013 DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
00014 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
00015 CONNECTION WITH THE USE OR PERFORMANCE OF THIS CODE .
00016 
00017 COPYRIGHT NOTICE. Copyright © 1999-2002 Avid Technology Inc. . All rights reserved. 
00018 
00019 SOFTIMAGE is a registered trademark of Avid Technology Inc. or its subsidiaries 
00020 or divisions. Windows NT is a registered trademark of Microsoft Corp. All other
00021 trademarks contained herein are the property of their respective owners. 
00022 ****************************************************************************************/
00023 
00024 #ifndef _NURBSCURVE_H
00025 #define _NURBSCURVE_H
00026 
00027 #include "Geometry.h"
00028 
00029 #ifndef _SL_FLOAT_ARRAY_PROXY_EXPORT_
00030 #define _SL_FLOAT_ARRAY_PROXY_EXPORT_
00031 
00032 //XSITEMPLATEEXP template class XSIEXPORT CSLArrayProxy<SI_Float, SI_Float, 1>;
00033 //XSITEMPLATEEXP template class XSIEXPORT CSLArrayProxy<CSIBCVector4D, SI_Float, 4>;
00034 
00035 #endif // _SL_FLOAT_ARRAY_PROXY_EXPORT_
00036 
00037 
00039 class XSIEXPORT CSLNurbsCurve
00040     : public CSLGeometry
00041 {
00042 public:
00046     typedef CSLArrayProxy<SI_Float, SI_Float, 1>        CSLFloatArray;
00047 
00051     typedef CSLArrayProxy<CSIBCVector4D, SI_Float, 4>   CSLVector4DArray;
00052 
00056     enum EParametrizationType
00057     {
00058         SI_UNIFORM,         
00059         SI_NON_UNIFORM,     
00060         SI_CHORD_LENGTH,    
00061         SI_CENTRIPETAL,     
00062     };
00063 
00070     CSLNurbsCurve(CSLScene* in_pScene, CSLModel *in_pModel, CdotXSITemplate* in_pTemplate);
00071 
00074     virtual ~CSLNurbsCurve();
00075 
00079     SI_Int                  GetDegree();
00080 
00085     SI_Void                 SetDegree(SI_Int in_nValue);
00086 
00090     SI_Bool                 GetClosedFlag();
00091 
00096     SI_Void                 SetClosedFlag(SI_Bool in_bValue);
00097 
00101     EParametrizationType    GetParametrization();
00102 
00107     SI_Void                 SetParametrization(EParametrizationType in_Type);
00108 
00112     SI_Int                  GetKnotCount();
00113 
00117     CSLFloatArray*          GetKnotList();
00118 
00122     SI_Float*               GetKnotListPtr();
00123 
00127     SI_Int                  GetControlPointCount();
00128 
00132     CSLVector4DArray*       GetControlPointList();
00133 
00137     CSIBCVector4D*          GetControlPointListPtr();
00138 
00143     virtual SI_Error Synchronize();
00144 
00148     virtual ETemplateType   Type() { return SI_NURBS_CURVE; }
00149 
00150 private:
00151     CSLIntProxy             m_Degree;
00152     CSLBoolProxy            m_Closed;
00153     CSLEnumProxy<EParametrizationType, SI_CENTRIPETAL>  m_Parametrization;
00154     CSLFloatArray           m_Knots;
00155     CSLVector4DArray        m_ControlPoints;
00156 
00157     void *m_pReserved;  // reserved for future extension
00158 };
00159 
00160 #endif
00161