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#ifndef COIN_SOINDEXEDNURBSCURVE_H
00021
#define COIN_SOINDEXEDNURBSCURVE_H
00022
00023
#include <Inventor/nodes/SoSubNode.h>
00024
#include <Inventor/nodes/SoShape.h>
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#include <Inventor/fields/SoSFInt32.h>
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#include <Inventor/fields/SoMFInt32.h>
00027
#include <Inventor/fields/SoMFFloat.h>
00028
00029
00030 class COIN_DLL_API SoIndexedNurbsCurve :
public SoShape {
00031
typedef SoShape inherited;
00032
00033 SO_NODE_HEADER(SoIndexedNurbsCurve);
00034
00035
public:
00036
static void initClass(
void);
00037 SoIndexedNurbsCurve(
void);
00038
00039
SoSFInt32 numControlPoints;
00040
SoMFInt32 coordIndex;
00041
SoMFFloat knotVector;
00042
00043
virtual void GLRender(
SoGLRenderAction * action);
00044
virtual void rayPick(
SoRayPickAction * action);
00045
virtual void getPrimitiveCount(
SoGetPrimitiveCountAction * action);
00046
virtual void getBoundingBox(
SoGetBoundingBoxAction * action);
00047
void sendPrimitive(
SoAction *,
SoPrimitiveVertex *);
00048
00049
protected:
00050
virtual ~SoIndexedNurbsCurve();
00051
00052
virtual void generatePrimitives(
SoAction * action);
00053
virtual void computeBBox(
SoAction * action,
SbBox3f & box,
SbVec3f & center);
00054
virtual SoDetail * createLineSegmentDetail(
SoRayPickAction * action,
00055
const SoPrimitiveVertex * v1,
00056
const SoPrimitiveVertex * v2,
00057
SoPickedPoint * pp);
00058
private:
00059
void * nurbsrenderer;
00060
void doNurbs(
SoAction * action,
const SbBool glrender,
const SbBool drawaspoints);
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00062
00063
00064
00065
static void tessBegin(
int type,
void * data);
00066
static void tessTexCoord(
float * texcoord,
void * data);
00067
static void tessNormal(
float * normal,
void * data);
00068
static void tessVertex(
float * vertex,
void * data);
00069
static void tessEnd(
void * data);
00070
00071
friend class SoIndexedNurbsCurveP;
00072 };
00073
00074
#endif // !COIN_SOINDEXEDNURBSCURVE_H