Coin Logo http://www.sim.no/
http://www.coin3d.org/

SoShape.h
1 #ifndef COIN_SOSHAPE_H
2 #define COIN_SOSHAPE_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) by Kongsberg Oil & Gas Technologies.
8  *
9  * This library is free software; you can redistribute it and/or
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  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Kongsberg Oil & Gas Technologies
18  * about acquiring a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/nodes/SoSubNode.h>
28 #include <Inventor/SbMatrix.h>
29 #include <Inventor/SbVec2s.h>
30 #include <Inventor/SbBox3f.h>
31 
32 class SoPrimitiveVertex;
33 class SoDetail;
34 class SoPickedPoint;
35 class SoFaceDetail;
36 class SoState;
39 class SbVec2f;
40 class SoMaterialBundle;
41 class SoBoundingBoxCache;
42 
43 class COIN_DLL_API SoShape : public SoNode {
44  typedef SoNode inherited;
45 
47 
48 public:
49  static void initClass(void);
50 
52  TRIANGLE_STRIP, TRIANGLE_FAN, TRIANGLES, POLYGON,
53  // The rest of the enums are not part of the original Inventor API.
54  QUADS, QUAD_STRIP, POINTS, LINES, LINE_STRIP
55  };
56 
57  virtual SbBool affectsState(void) const;
58  virtual void notify(SoNotList * nl);
59 
60  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
61  virtual void GLRender(SoGLRenderAction * action);
62  virtual void rayPick(SoRayPickAction * action);
63  virtual void callback(SoCallbackAction * action);
64  virtual void computeBBox(SoAction * action, SbBox3f & box,
65  SbVec3f & center) = 0;
66  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
67 
68  static void getScreenSize(SoState * const state, const SbBox3f & boundingbox,
69  SbVec2s & rectsize);
70  static float getDecimatedComplexity(SoState * state, float complexity);
71  const SoBoundingBoxCache * getBoundingBoxCache(void) const;
72 
73 protected:
74  SoShape(void);
75  virtual ~SoShape();
76 
77  float getComplexityValue(SoAction * action);
78  virtual void generatePrimitives(SoAction * action) = 0;
79  virtual SbBool shouldGLRender(SoGLRenderAction * action);
80  void beginSolidShape(SoGLRenderAction * action);
81  void endSolidShape(SoGLRenderAction * action);
82  void GLRenderBoundingBox(SoGLRenderAction * action);
83  SbBool shouldPrimitiveCount(SoGetPrimitiveCountAction * action);
84 
85  SbBool shouldRayPick(SoRayPickAction * const action);
86  void computeObjectSpaceRay(SoRayPickAction * const action);
87  void computeObjectSpaceRay(SoRayPickAction * const action,
88  const SbMatrix & matrix);
89  virtual SoDetail * createTriangleDetail(SoRayPickAction * action,
90  const SoPrimitiveVertex * v1,
91  const SoPrimitiveVertex * v2,
92  const SoPrimitiveVertex * v3,
93  SoPickedPoint * pp);
94  virtual SoDetail * createLineSegmentDetail(SoRayPickAction * action,
95  const SoPrimitiveVertex * v1,
96  const SoPrimitiveVertex * v2,
97  SoPickedPoint * pp);
98  virtual SoDetail * createPointDetail(SoRayPickAction * action,
99  const SoPrimitiveVertex * v,
100  SoPickedPoint * pp);
101 
102  void invokeTriangleCallbacks(SoAction * const action,
103  const SoPrimitiveVertex * const v1,
104  const SoPrimitiveVertex * const v2,
105  const SoPrimitiveVertex * const v3);
106  void invokeLineSegmentCallbacks(SoAction * const action,
107  const SoPrimitiveVertex * const v1,
108  const SoPrimitiveVertex * const v2);
109  void invokePointCallbacks(SoAction * const action,
110  const SoPrimitiveVertex * const v);
111  void beginShape(SoAction * const action, const TriangleShape shapetype,
112  SoDetail * const detail = NULL);
113  void shapeVertex(const SoPrimitiveVertex * const v);
114  void endShape(void);
115 
116  void generateVertex(SoPrimitiveVertex * const pv,
117  const SbVec3f & point,
118  const SbBool useTexFunc,
119  const SoTextureCoordinateElement * const tce,
120  const float s,
121  const float t,
122  const SbVec3f & normal);
123  void generateVertex(SoPrimitiveVertex * const pv,
124  const SbVec3f & point,
125  const SbBool useTexFunc,
126  const SoTextureCoordinateElement * const tce,
127  const float s,
128  const float t,
129  const float r,
130  const SbVec3f & normal);
131 
132  SbBool startVertexArray(SoGLRenderAction * action,
133  const SoCoordinateElement * coords,
134  const SbVec3f * pervertexnormals,
135  const SbBool texpervertex,
136  const SbBool colorpervertex);
137 
138  void finishVertexArray(SoGLRenderAction * action,
139  const SbBool vbo,
140  const SbBool normpervertex,
141  const SbBool texpervertex,
142  const SbBool colorpervertex);
143 private:
144  class SoShapeP * pimpl;
145  void validatePVCache(SoGLRenderAction * action);
146  void getBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
147  void rayPickBoundingBox(SoRayPickAction * action);
148  friend class soshape_primdata; // internal class
149  friend class so_generate_prim_private; // a very private class
150 };
151 
152 #endif // !COIN_SOSHAPE_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec2f.h:39
The SoBase class is the top-level superclass for a number of class-hierarchies.SoBase provides the ba...
Definition: SoBase.h:36
The SoRayPickAction class does ray intersection with scene graphs.For interaction with the scene grap...
Definition: SoRayPickAction.h:41
virtual void notify(SoNotList *l)
Definition: SoNode.cpp:439
virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action)
Definition: SoNode.cpp:870
The SoPrimitiveVertex class represents a single vertex of a generated primitive.Instances of SoPrimit...
Definition: SoPrimitiveVertex.h:34
The SoMaterialBundle class simplifies material handling.Every shape node should create (on the stack)...
Definition: SoMaterialBundle.h:33
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.This box abstraction class ...
Definition: SbBox3f.h:37
The SoNode class is the base class for nodes used in scene graphs.Coin is a retained mode 3D visualiz...
Definition: SoNode.h:47
The SoState class manages the Coin scenegraph traversal state data.The SoState class is used by actio...
Definition: SoState.h:35
The SoFaceDetail class is for storing detailed polygon information.Instances of this class are used a...
Definition: SoFaceDetail.h:29
virtual void rayPick(SoRayPickAction *action)
Definition: SoNode.cpp:1115
The SoBoundingBoxCache class is used to cache bounding boxes.
Definition: SoBoundingBoxCache.h:32
The SoCoordinateElement class is yet to be documented.FIXME: write doc.
Definition: SoCoordinateElement.h:31
The SoAction class is the base class for all traversal actions.Applying actions is the basic mechanis...
Definition: SoAction.h:68
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
TriangleShape
Definition: SoShape.h:51
The SbMatrix class is a 4x4 dimensional representation of a matrix.SbMatrix is used by many other cla...
Definition: SbMatrix.h:37
The SoGetPrimitiveCountAction class counts the primitives in a scene.Apply this action to a scene if ...
Definition: SoGetPrimitiveCountAction.h:34
The SoGetBoundingBoxAction class calculates bounding boxes for nodes and subgraphs.If this action is applied to a path or scene graph root, it will calculate the bounding box and the center point of the geometry contained within the scene.
Definition: SoGetBoundingBoxAction.h:36
The SoTextureCoordinateElement class is yet to be documented.FIXME: write doc.
Definition: SoTextureCoordinateElement.h:41
The SoPickedPoint class is used for specifying picked points.It holds miscellaneous information about...
Definition: SoPickedPoint.h:39
The SoCallbackAction class invokes callbacks at specific nodes.This action has mechanisms for trackin...
Definition: SoCallbackAction.h:71
virtual void getBoundingBox(SoGetBoundingBoxAction *action)
Definition: SoNode.cpp:841
The SoShape class is the superclass for geometry shapes.The node types which have actual geometry to ...
Definition: SoShape.h:43
virtual void GLRender(SoGLRenderAction *action)
Definition: SoNode.cpp:930
The SoNotList class is a list of SoNotRec notification records.
Definition: SoNotification.h:34
The SbVec2s class is a 2 dimensional vector with short integer coordinates.This vector class is used ...
Definition: SbVec2s.h:41
virtual SbBool affectsState(void) const
Definition: SoNode.cpp:807
virtual void callback(SoCallbackAction *action)
Definition: SoNode.cpp:1002
#define SO_NODE_ABSTRACT_HEADER(classname)
The SoGLRenderAction class renders the scene graph with OpenGL calls.Applying this method at a root n...
Definition: SoGLRenderAction.h:41
The SoDetail class is the superclass for all classes storing detailed information about particular sh...
Definition: SoDetail.h:30

Copyright © 1998-2010 by Kongsberg Oil & Gas Technologies. All rights reserved.

Generated on Fri Sep 9 2016 for Coin by Doxygen 1.8.5.