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SbProjector.h
1 #ifndef COIN_SBPROJECTOR_H
2 #define COIN_SBPROJECTOR_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
8  *
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10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
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16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Systems in Motion about acquiring
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19  *
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21  *
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23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/SbVec3f.h>
28 #include <Inventor/SbLine.h>
29 #include <Inventor/SbMatrix.h>
30 #include <Inventor/SbViewVolume.h>
31 
32 class SbVec2f;
33 
34 class COIN_DLL_API SbProjector {
35 public:
36  virtual SbVec3f project(const SbVec2f & point) = 0;
37  virtual void setViewVolume(const SbViewVolume & vol);
38  const SbViewVolume & getViewVolume(void) const;
39  virtual void setWorkingSpace(const SbMatrix & space);
40  const SbMatrix & getWorkingSpace(void) const;
41  virtual SbProjector * copy(void) const = 0;
42 
43 protected:
44  SbProjector(void);
45  virtual ~SbProjector() { }
46 
47  SbLine getWorkingLine(const SbVec2f & point) const;
48 
50  SbMatrix worldToWorking, workingToWorld;
51 
52  float findVanishingDistance(void) const;
53  SbBool verifyProjection(const SbVec3f & projpt) const;
54 };
55 
56 #endif // !COIN_SBPROJECTOR_H
SbProjector::worldToWorking
SbMatrix worldToWorking
Definition: SbProjector.h:50
SbProjector::getViewVolume
const SbViewVolume & getViewVolume(void) const
Definition: SbProjector.cpp:123
SbVec2f
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:36
SbMatrix::multLineMatrix
void multLineMatrix(const SbLine &src, SbLine &dst) const
Definition: SbMatrix.cpp:1435
SbMatrix
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition: SbMatrix.h:37
SbViewVolume::projectPointToLine
void projectPointToLine(const SbVec2f &pt, SbLine &line) const
Definition: SbViewVolume.cpp:232
SbProjector::verifyProjection
SbBool verifyProjection(const SbVec3f &projpt) const
Definition: SbProjector.cpp:225
SbViewVolume::projectBox
SbVec2f projectBox(const SbBox3f &box) const
Definition: SbViewVolume.cpp:364
SbProjector::workingToWorld
SbMatrix workingToWorld
Definition: SbProjector.h:50
SbProjector::copy
virtual SbProjector * copy(void) const =0
SbMatrix::multVecMatrix
void multVecMatrix(const SbVec3f &src, SbVec3f &dst) const
Definition: SbMatrix.cpp:1357
SbProjector::~SbProjector
virtual ~SbProjector()
Definition: SbProjector.h:45
SbMatrix::inverse
SbMatrix inverse(void) const
Definition: SbMatrix.cpp:418
SbBox3f
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.
Definition: SbBox3f.h:37
SbViewVolume::getProjectionDirection
const SbVec3f & getProjectionDirection(void) const
Definition: SbViewVolume.cpp:609
SbProjector::viewVol
SbViewVolume viewVol
Definition: SbProjector.h:49
SbProjector::project
virtual SbVec3f project(const SbVec2f &point)=0
SbProjector::SbProjector
SbProjector(void)
Definition: SbProjector.cpp:100
SbProjector::setWorkingSpace
virtual void setWorkingSpace(const SbMatrix &space)
Definition: SbProjector.cpp:133
SbProjector::getWorkingSpace
const SbMatrix & getWorkingSpace(void) const
Definition: SbProjector.cpp:145
SbViewVolume::getPlane
SbPlane getPlane(const float distFromEye) const
Definition: SbViewVolume.cpp:293
SbViewVolume::getProjectionType
ProjectionType getProjectionType(void) const
Definition: SbViewVolume.cpp:588
SbProjector::setViewVolume
virtual void setViewVolume(const SbViewVolume &vol)
Definition: SbProjector.cpp:112
SbProjector::getWorkingLine
SbLine getWorkingLine(const SbVec2f &point) const
Definition: SbProjector.cpp:158
SbViewVolume::PERSPECTIVE
@ PERSPECTIVE
Definition: SbViewVolume.h:43
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:37
SbMatrix::makeIdentity
void makeIdentity(void)
Definition: SbMatrix.cpp:297
SbProjector
The SbProjector class is the abstract base projector class.
Definition: SbProjector.h:34
SbPlane::isInHalfSpace
SbBool isInHalfSpace(const SbVec3f &point) const
Definition: SbPlane.cpp:229
SbLine
The SbLine class represents a line in 3D space.
Definition: SbLine.h:32
SbViewVolume
The SbViewVolume class is a viewing volume in 3D space.
Definition: SbViewVolume.h:41
SbProjector::findVanishingDistance
float findVanishingDistance(void) const
Definition: SbProjector.cpp:177
SbBox3f::transform
void transform(const SbMatrix &matrix)
Definition: SbBox3f.cpp:524
SbViewVolume::getHeight
float getHeight(void) const
Definition: SbViewVolume.cpp:642
SbMatrix::setTranslate
void setTranslate(const SbVec3f &t)
Definition: SbMatrix.cpp:790
SbPlane
The SbPlane class represents a plane in 3D space.
Definition: SbPlane.h:34

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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