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Warning, /include/Geant4/tools/sg/text_valop is written in an unsupported language. File is not indexed.

0001 // Copyright (C) 2010, Guy Barrand. All rights reserved.
0002 // See the file tools.license for terms.
0003 
0004 #ifndef tools_sg_text_valop
0005 #define tools_sg_text_valop
0006 
0007 #include "base_text"
0008 #include "valop2sg"
0009 #include "nodekit"
0010 #include "base_freetype"
0011 #include "mnmx"
0012 #include "../nostream"
0013 
0014 namespace tools {
0015 namespace sg {
0016 
0017 class text_valop : public base_text {
0018 public:
0019   TOOLS_NODE(text_valop,tools::sg::text_valop,base_text)
0020 public:
0021   sf_string encoding;
0022   sf_string font;
0023   sf_enum<sg::font_modeling> font_modeling;
0024 public:
0025   virtual const desc_fields& node_desc_fields() const {
0026     TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::text_valop)
0027     static const desc_fields s_v(parent::node_desc_fields(),3, //WARNING : take care of count.
0028       TOOLS_ARG_FIELD_DESC(encoding),
0029       TOOLS_ARG_FIELD_DESC(font),
0030       TOOLS_ARG_FIELD_DESC_ENUMS_BEG(font_modeling,3)
0031         TOOLS_ARG_ENUM(font_outline),
0032         TOOLS_ARG_ENUM(font_filled),
0033         TOOLS_ARG_ENUM(font_pixmap)
0034       TOOLS_ARG_FIELD_DESC_ENUMS_END
0035     );
0036     return s_v;
0037   }
0038 private:
0039   void add_fields(){
0040     add_field(&encoding);
0041     add_field(&font);
0042     add_field(&font_modeling);
0043   }
0044 public:
0045   virtual void render(render_action& a_action) {
0046     if(touched()) {
0047       update_sg(a_action.out());
0048       reset_touched();
0049     }
0050     m_sep.render(a_action);
0051   }
0052   virtual void pick(pick_action& a_action) {
0053     if(touched()) {
0054       update_sg(a_action.out());
0055       reset_touched();
0056     }
0057     nodekit_pick(a_action,m_sep,this);
0058   }
0059   virtual void bbox(bbox_action& a_action) {
0060     if(touched()) {
0061       update_sg(a_action.out());
0062       reset_touched();
0063     }
0064     m_sep.bbox(a_action);
0065   }
0066   virtual void search(search_action& a_action) {
0067     if(touched()) {
0068       update_sg(a_action.out());
0069       reset_touched();
0070     }
0071     parent::search(a_action);
0072     if(a_action.done()) return;
0073     if(a_action.do_path()) a_action.path_push(this);
0074     m_sep.search(a_action);
0075     if(a_action.done()) return;
0076     if(a_action.do_path()) a_action.path_pop();
0077   }
0078 public:
0079   text_valop(const base_freetype& a_ttf)
0080   :parent()
0081   ,encoding(encoding_none())
0082   ,font(font_hershey())
0083   ,font_modeling(font_filled)
0084   ,m_ttf(a_ttf)
0085   {
0086     add_fields();
0087   }
0088   virtual ~text_valop(){}
0089 public:
0090   text_valop(const text_valop& a_from)
0091   :parent(a_from)
0092   ,encoding(a_from.encoding)
0093   ,font(a_from.font)
0094   ,font_modeling(a_from.font_modeling)
0095   ,m_ttf(a_from.m_ttf)
0096   {
0097     add_fields();
0098   }
0099   text_valop& operator=(const text_valop& a_from){
0100     parent::operator=(a_from);
0101     encoding = a_from.encoding;
0102     font = a_from.font;
0103     font_modeling = a_from.font_modeling;
0104     return *this;
0105   }
0106 public: //sg::base_text :
0107   virtual void get_bounds(float /*a_height*/,
0108                           float& a_mn_x,float& a_mn_y,float& a_mn_z,
0109                           float& a_mx_x,float& a_mx_y,float& a_mx_z) const {
0110     text_valop& self = const_cast<text_valop&>(*this);
0111     if(self.touched()) {
0112       self.update_sg(self.m_out);
0113       self.reset_touched();
0114     }
0115     vec3f mn,mx;
0116     mnmx(self.m_out,self.m_sep,mn,mx);
0117     a_mn_x = mn[0];a_mn_y = mn[1];a_mn_z = mn[2];
0118     a_mx_x = mx[0];a_mx_y = mx[1];a_mx_z = mx[2];
0119     //::printf("debug : get_bounds : %g %g %g : %g %g %g\n",a_mn_x,a_mn_y,a_mn_z,a_mx_x,a_mx_y,a_mx_z);
0120   }
0121   virtual float ascent(float) const {return 1;}
0122   virtual float y_advance(float) const {return 1;}
0123   virtual float descent(float) const {return 0;}
0124   virtual bool truncate(const std::string&,float,float,std::string&) const {return false;}
0125 protected:
0126   void update_sg(std::ostream& a_out) {
0127     m_sep.clear();
0128     matrix* tsf = new matrix;
0129     m_sep.add(tsf);
0130     tools_vforcit(std::string,strings.values(),it) {
0131       valop* _valop = new valop(valop::STRING,*it);
0132       valop2sg v(a_out,m_sep,m_ttf);
0133       if(!v.visit(*_valop)) {
0134         a_out << "tools::sg::text_valop::upate_sg : valop2sg.visit() failed." << std::endl;
0135         m_sep.clear();
0136         delete _valop;
0137         return;
0138       }
0139       delete _valop;
0140     }
0141     vec3f mn,mx;
0142     mnmx(a_out,m_sep,mn,mx);
0143     float h = mx[1]-mn[1];
0144     if(!h) {
0145       a_out << "tools::sg::text_valop::upate_sg : valop has null height." << std::endl;
0146       m_sep.clear();
0147       return;
0148     }
0149     float scale = height.value()/h;
0150     tsf->set_scale(scale,scale,1);
0151   }
0152 protected:
0153   const base_freetype& m_ttf;
0154   separator m_sep;
0155   nostream m_out;
0156 };
0157 
0158 }}
0159 
0160 #endif