Developer Documentation
DefaultObjectMarker.cc
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41 
42 
43 
45 #include "DefaultObjectMarker.hh"
46 
47 //******************************************************************************
48 
49 const ACG::Vec4f base_color (0.6f,0.6f,0.6f,1.0f);
50 const ACG::Vec4f source_color (0.6f,0.6f,1.0f,1.0f);
51 const ACG::Vec4f target_color (1.0f,1.0f,1.0f,1.0f);
52 const ACG::Vec4f source_target_color (0.6f,1.0f,1.0f,1.0f);
53 
54 //******************************************************************************
55 
57 {
58  if (!_obj->target() && !_obj->source())
59  {
60  _reference = 1;
61  return true;
62  }
63  else if (!_obj->target() && _obj->source())
64  {
65  _reference = 2;
66  return true;
67  }
68  else if (_obj->target() && !_obj->source())
69  {
70  _reference = 3;
71  return true;
72  }
73  else if (_obj->target() && _obj->source())
74  {
75  _reference = 4;
76  return true;
77  }
78 
79  return false;
80 }
81 
82 bool DefaultObjectMarker::blendForStencilRefNumber(GLuint _reference, GLenum & _src, GLenum & _dst, ACG::Vec4f & _color)
83 {
84  _src = GL_ZERO;
85  _dst = GL_SRC_COLOR;
86 
87  switch (_reference)
88  {
89  case 1:
90  _color = base_color;
91  return true;
92  case 2:
93  _color = source_color;
94  return true;
95  case 3:
96  _color = target_color;
97  return true;
98  case 4:
99  _color = source_target_color;
100  return true;
101  default:
102  return false;
103  }
104  return false;
105 }
106 
bool blendForStencilRefNumber(GLuint _reference, GLenum &_src, GLenum &_dst, ACG::Vec4f &_color)
bool source()
Definition: BaseObject.cc:291
bool target()
Definition: BaseObject.cc:273
bool stencilRefForObject(BaseObjectData *_obj, GLuint &_reference)