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#ifndef COIN_SONURBSCURVE_H
00021
#define COIN_SONURBSCURVE_H
00022
00023
#include <Inventor/nodes/SoSubNode.h>
00024
#include <Inventor/nodes/SoShape.h>
00025
#include <Inventor/fields/SoSFInt32.h>
00026
#include <Inventor/fields/SoMFFloat.h>
00027
00028 class COIN_DLL_API SoNurbsCurve :
public SoShape {
00029
typedef SoShape inherited;
00030
00031 SO_NODE_HEADER(SoNurbsCurve);
00032
00033
public:
00034
static void initClass(
void);
00035 SoNurbsCurve(
void);
00036
00037
SoSFInt32 numControlPoints;
00038
SoMFFloat knotVector;
00039
00040
virtual void GLRender(
SoGLRenderAction * action);
00041
virtual void rayPick(
SoRayPickAction * action);
00042
virtual void getPrimitiveCount(
SoGetPrimitiveCountAction * action);
00043
virtual void getBoundingBox(
SoGetBoundingBoxAction * action);
00044
void sendPrimitive(
SoAction *,
SoPrimitiveVertex *);
00045
00046
protected:
00047
virtual ~SoNurbsCurve();
00048
00049
virtual void generatePrimitives(
SoAction * action);
00050
virtual void computeBBox(
SoAction * action,
SbBox3f & box,
SbVec3f & center);
00051
virtual SoDetail * createLineSegmentDetail(
SoRayPickAction * action,
00052
const SoPrimitiveVertex * v1,
00053
const SoPrimitiveVertex * v2,
00054
SoPickedPoint * pp);
00055
private:
00056
void * nurbsrenderer;
00057
void doNurbs(
SoAction * action,
const SbBool glrender,
const SbBool drawaspoints);
00058
00059
00060
00061
00062
static void tessBegin(
int type,
void * data);
00063
static void tessTexCoord(
float * texcoord,
void * data);
00064
static void tessNormal(
float * normal,
void * data);
00065
static void tessVertex(
float * vertex,
void * data);
00066
static void tessEnd(
void * data);
00067
00068
friend class SoNurbsCurveP;
00069 };
00070
00071
#endif // !COIN_SONURBSCURVE_H