dummy_freetype

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_sg_dummy_freetype
#define tools_sg_dummy_freetype
 
#include "base_freetype"
#include "render_action"
#include "bbox_action"
#include "pick_action"
 
namespace tools {
namespace sg {
 
class dummy_freetype : public base_freetype {
public:
  TOOLS_NODE(dummy_freetype,tools::sg::dummy_freetype,base_freetype)
protected: //gstos
  virtual unsigned int create_gsto(std::ostream& a_out,render_manager&) {
    a_out << "tools::sg::dummy_freetype::create_gsto : dummy" << std::endl;
    return 0;
  }
public:
  virtual void render(render_action& a_action) {
    a_action.out() << "tools::sg::dummy_freetype::render : dummy" << std::endl;
    if(touched()) {
      update_sg(a_action.out());
      reset_touched();
    }
  }
  virtual void pick(pick_action& a_action) {
    a_action.out() << "tools::sg::dummy_freetype::pick : dummy" << std::endl;
    if(touched()) {
      update_sg(a_action.out());
      reset_touched();
    }
  }
 
  virtual void bbox(bbox_action& a_action) {
    a_action.out() << "tools::sg::dummy_freetype::bbox : dummy" << std::endl;
    if(touched()) {
      update_sg(a_action.out());
      reset_touched();
    }
  }
 
public:
  dummy_freetype():base_freetype() {}
  virtual ~dummy_freetype(){}
public:
  dummy_freetype(const dummy_freetype& a_from):base_freetype(a_from) {}
 
  dummy_freetype& operator=(const dummy_freetype& a_from){
    base_freetype::operator=(a_from);
    return *this;
  }
 
public: //base_text :
  virtual float ascent(float) const {return 0;}
  virtual float descent(float) const {return 0;}
  virtual float y_advance(float) const {return 0;}
 
  virtual void get_bounds(float a_height,
                          float& a_mn_x,float& a_mn_y,float& a_mn_z,
                          float& a_mx_x,float& a_mx_y,float& a_mx_z) const {
    (void)a_height;
    a_mn_x = 0;
    a_mn_y = 0;
    a_mn_z = 0;
    a_mx_x = 0;
    a_mx_y = 0;
    a_mx_z = 0;
  }
 
  virtual bool truncate(const std::string&,
                        float,float,
                        std::string& a_out) const {
    a_out.clear();
    return false;
  }
protected:
  void update_sg(std::ostream&) {}
};
 
}}
 
#endif