Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/sg/blend

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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_blend
  5 #define tools_sg_blend
  6 
  7 #include "node"
  8 #include "sf_vec3f"
  9 #include "render_action"
 10 
 11 #include "../colorfs"
 12 
 13 namespace tools {
 14 namespace sg {
 15 
 16 class blend : public node {
 17   TOOLS_NODE(blend,tools::sg::blend,node)
 18 public:
 19   sf<bool> on;
 20 public:
 21   virtual const desc_fields& node_desc_fields() const {
 22     TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::blend)
 23     static const desc_fields s_v(parent::node_desc_fields(),1, //WARNING : take care of count.
 24       TOOLS_ARG_FIELD_DESC(on)
 25     );
 26     return s_v;
 27   }
 28 private:
 29   void add_fields(){
 30     add_field(&on);
 31   }
 32 public:
 33   virtual void render(render_action& a_action) {
 34     state& state = a_action.state();
 35     state.m_GL_BLEND = on.value();
 36     a_action.set_blend(state.m_GL_BLEND);
 37   }
 38 public:
 39   blend()
 40   :parent()
 41   ,on(false)
 42   {
 43     add_fields();
 44   }
 45   virtual ~blend(){}
 46 public:
 47   blend(const blend& a_from)
 48   :parent(a_from)
 49   ,on(a_from.on)
 50   {
 51     add_fields();
 52   }
 53   blend& operator=(const blend& a_from){
 54     parent::operator=(a_from);
 55     on = a_from.on;
 56     return *this;
 57   }
 58 };
 59 
 60 }}
 61 
 62 #endif