Coin: SbProjector.h Source File

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SbProjector.h
1#ifndef COIN_SBPROJECTOR_H
2#define COIN_SBPROJECTOR_H
3
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34\**************************************************************************/
35
36#include <Inventor/SbVec3f.h>
37#include <Inventor/SbLine.h>
38#include <Inventor/SbMatrix.h>
39#include <Inventor/SbViewVolume.h>
40
41class SbVec2f;
42
43 class COIN_DLL_API SbProjector {
44public:
45 virtual SbVec3f project(const SbVec2f & point) = 0;
46 virtual void setViewVolume(const SbViewVolume & vol);
47 const SbViewVolume & getViewVolume(void) const;
48 virtual void setWorkingSpace(const SbMatrix & space);
49 const SbMatrix & getWorkingSpace(void) const;
50 virtual SbProjector * copy(void) const = 0;
51
52 virtual SbBool tryProject(const SbVec2f & point, const float epsilon, SbVec3f & result);
53
54protected:
55 SbProjector(void);
56 virtual ~SbProjector() { }
57
58 SbLine getWorkingLine(const SbVec2f & point) const;
59
60 SbViewVolume viewVol;
61 SbMatrix worldToWorking, workingToWorld;
62
63 float findVanishingDistance(void) const;
64 SbBool verifyProjection(const SbVec3f & projpt) const;
65};
66
67#endif // !COIN_SBPROJECTOR_H
SbLine
The SbLine class represents a line in 3D space.
Definition SbLine.h:41
SbMatrix
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition SbMatrix.h:47
SbProjector
The SbProjector class is the abstract base projector class.
Definition SbProjector.h:43
SbProjector::workingToWorld
SbMatrix workingToWorld
Definition SbProjector.h:61
SbProjector::~SbProjector
virtual ~SbProjector()
Definition SbProjector.h:56
SbProjector::project
virtual SbVec3f project(const SbVec2f &point)=0
SbProjector::copy
virtual SbProjector * copy(void) const =0
SbProjector::viewVol
SbViewVolume viewVol
Definition SbProjector.h:60
SbVec2f
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition SbVec2f.h:49
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition SbVec3f.h:51
SbViewVolume
The SbViewVolume class is a viewing volume in 3D space.
Definition SbViewVolume.h:50