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SoCamera.h
1 #ifndef COIN_SOCAMERA_H
2 #define COIN_SOCAMERA_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
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21  * this software without specific prior written permission.
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23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
35 
36 #include <Inventor/nodes/SoSubNode.h>
37 #include <Inventor/SbViewportRegion.h>
38 #include <Inventor/SbViewVolume.h>
39 #include <Inventor/fields/SoSFRotation.h>
40 #include <Inventor/fields/SoSFEnum.h>
41 #include <Inventor/fields/SoSFVec3f.h>
42 #include <Inventor/fields/SoSFFloat.h>
43 
44 #include <Inventor/SbVec3f.h>
45 #include <Inventor/SbMatrix.h>
46 #include <Inventor/SbBox3f.h>
47 
48 #define SO_ASPECT_SQUARE 1.0f
49 #define SO_ASPECT_VIDEO (4.0f/3.0f)
50 #define SO_ASPECT_35mm_ACADEMY 1.371
51 #define SO_ASPECT_16mm 1.369
52 #define SO_ASPECT_35mm_FULL 1.33333
53 #define SO_ASPECT_70mm 2.287
54 #define SO_ASPECT_CINEMASCOPE 2.35
55 #define SO_ASPECT_HDTV (16.0f/9.0f)
56 #define SO_ASPECT_PANAVISION 2.361
57 #define SO_ASPECT_35mm (3.0f/2.0f)
58 #define SO_ASPECT_VISTAVISION 2.301
59 
60 class SoPath;
61 
62 class SoCameraP;
63 
64 class COIN_DLL_API SoCamera : public SoNode {
65  typedef SoNode inherited;
66 
68 
69 public:
70  static void initClass(void);
71 
73  CROP_VIEWPORT_FILL_FRAME,
74  CROP_VIEWPORT_LINE_FRAME,
75  CROP_VIEWPORT_NO_FRAME,
76  ADJUST_CAMERA,
77  LEAVE_ALONE
78  };
79 
87 
88  SbViewVolume getViewVolume(const SbViewportRegion & vp,
89  SbViewportRegion & resultvp,
90  const SbMatrix & mm = SbMatrix::identity()) const;
91 
92  void pointAt(const SbVec3f & targetpoint);
93  void pointAt(const SbVec3f & targetpoint, const SbVec3f & upvector);
94  virtual void scaleHeight(float scalefactor) = 0;
95  virtual SbViewVolume getViewVolume(float useaspectratio = 0.0f) const = 0;
96  void viewAll(SoNode * const sceneroot, const SbViewportRegion & vpregion,
97  const float slack = 1.0f);
98  void viewAll(SoPath * const path, const SbViewportRegion & vpregion,
99  const float slack = 1.0f);
100  SbViewportRegion getViewportBounds(const SbViewportRegion & region) const;
101 
102  enum StereoMode {
105  RIGHT_VIEW
106  };
107 
108  void setStereoMode(StereoMode mode);
109  StereoMode getStereoMode(void) const;
110 
111  void setStereoAdjustment(float adjustment);
112  float getStereoAdjustment(void) const;
113  void setBalanceAdjustment(float adjustment);
114  float getBalanceAdjustment(void) const;
115 
116  virtual void doAction(SoAction * action);
117  virtual void callback(SoCallbackAction * action);
118  virtual void GLRender(SoGLRenderAction * action);
119  virtual void audioRender(SoAudioRenderAction *action);
120  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
121  virtual void handleEvent(SoHandleEventAction * action);
122  virtual void rayPick(SoRayPickAction * action);
123  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
124  virtual void viewBoundingBox(const SbBox3f & box, float aspect,
125  float slack) = 0;
126 protected:
127  SoCamera(void);
128  virtual ~SoCamera();
129 
130  virtual void jitter(int numpasses, int curpass,
131  const SbViewportRegion & vpreg,
132  SbVec3f & jitteramount) const;
133 
134 private:
135  void getView(SoAction * action, SbViewVolume & resultvv,
136  SbViewportRegion & resultvp,
137  const SbBool considermodelmatrix = TRUE);
138 
139  void drawCroppedFrame(SoGLRenderAction * action,
140  const int viewportmapping,
141  const SbViewportRegion & oldvp,
142  const SbViewportRegion & newvp);
143 
144  void lookAt(const SbVec3f & dir, const SbVec3f & up);
145 
146  StereoMode stereomode;
147  float stereoadjustment;
148  float balanceadjustment;
149 private:
150  SoCameraP *pimpl;
151  friend class SoCameraP;
152 };
153 
154 #endif // !COIN_SOCAMERA_H

Copyright © by Kongsberg Oil & Gas Technologies. All rights reserved.

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