Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/sg/rgba

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_sg_rgba
  5 #define tools_sg_rgba
  6 
  7 #include "node"
  8 
  9 #include "sf_vec"
 10 #include "render_action"
 11 #include "../colorfs"
 12 
 13 namespace tools {
 14 namespace sg {
 15 
 16 class rgba : public node {
 17   TOOLS_NODE(rgba,tools::sg::rgba,node)
 18 public:
 19   sf_vec<colorf,float> color;
 20 public:
 21   virtual const desc_fields& node_desc_fields() const {
 22     TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::rgba)
 23     static const desc_fields s_v(parent::node_desc_fields(),1, //WARNING : take care of count.
 24       TOOLS_ARG_FIELD_DESC(color)
 25     );
 26     return s_v;
 27   }
 28 private:
 29   void add_fields(){
 30     add_field(&color);
 31   }
 32 public:
 33   virtual void render(render_action& a_action) {
 34     // GL-ES : ::glMaterialfv does not work. We then use :
 35     //         ::glEnable(GL_COLOR_MATERIAL) and ::glColor.
 36 
 37     //if(a_action.state().m_GL_LIGHTING) {
 38     //  float params[4];
 39     //  params[0] = rgb.value().r();
 40     //  params[1] = rgb.value().g();
 41     //  params[2] = rgb.value().b();
 42     //  params[3] = rgb.value().a();
 43     //  ::glMaterialfv(GL_FRONT,GL_DIFFUSE,params);
 44     //} else {
 45     //}
 46 
 47     state& state = a_action.state();
 48     state.m_color = color.value();
 49     a_action.color4f(state.m_color);
 50   }
 51 public:
 52   rgba()
 53   :parent()
 54   ,color(colorf_grey())
 55   {
 56     add_fields();
 57   }
 58   virtual ~rgba(){}
 59 public:
 60   rgba(const rgba& a_from)
 61   :parent(a_from)
 62   ,color(a_from.color)
 63   {
 64     add_fields();
 65   }
 66   rgba& operator=(const rgba& a_from){
 67     parent::operator=(a_from);
 68     color = a_from.color;
 69     return *this;
 70   }
 71 };
 72 
 73 }}
 74 
 75 #endif