Import Geant4 10.2.0 source tree
This commit is contained in:
Gabriele Cosmo
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// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_sg_infos_box
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#define tools_sg_infos_box
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//
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// In z the scene is within [0,0.5]
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//
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#include "back_area"
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#include "matrix"
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#include "text_hershey"
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#include "base_freetype"
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#include "enums"
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#include "../colorf"
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namespace tools {
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namespace sg {
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class infos_box : public back_area {
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TOOLS_NODE(infos_box,tools::sg::infos_box,back_area)
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public:
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mf_string lstrings;
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mf_string rstrings;
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sf<unsigned int> num_spaces; //in "number of one line height" unit.
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sf_vec<colorf,float> color;
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sf_string font;
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sf_string encoding;
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sf<float> line_width; // for text_hershey.
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sf_enum<winding_type> front_face; //no more used.
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sf<bool> back_visible;
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sf<float> wmargin_factor;
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sf<float> hmargin_factor;
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sf_enum<hjust> lhjust;
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sf_enum<hjust> rhjust;
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sf<bool> confine;
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public:
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virtual const std::vector<field_desc>& node_fields() const {
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TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::infos_box)
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static std::vector<field_desc> s_v;
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if(s_v.empty()) {
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s_v = parent::node_fields();
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TOOLS_ADD_FIELD_DESC(lstrings)
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TOOLS_ADD_FIELD_DESC(rstrings)
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TOOLS_ADD_FIELD_DESC(num_spaces)
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TOOLS_ADD_FIELD_DESC(color)
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TOOLS_ADD_FIELD_DESC(font)
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TOOLS_ADD_FIELD_DESC(encoding);
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TOOLS_ADD_FIELD_DESC(line_width)
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TOOLS_ADD_FIELD_DESC(front_face)
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TOOLS_ADD_FIELD_DESC(back_visible)
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TOOLS_ADD_FIELD_DESC(wmargin_factor)
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TOOLS_ADD_FIELD_DESC(hmargin_factor)
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TOOLS_ADD_FIELD_DESC(lhjust)
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TOOLS_ADD_FIELD_DESC(rhjust)
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TOOLS_ADD_FIELD_DESC(confine)
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}
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return s_v;
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}
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private:
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void add_fields(){
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add_field(&lstrings);
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add_field(&rstrings);
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add_field(&num_spaces);
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add_field(&color);
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add_field(&font);
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add_field(&encoding);
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add_field(&line_width);
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add_field(&front_face);
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add_field(&back_visible);
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add_field(&wmargin_factor);
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add_field(&hmargin_factor);
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add_field(&lhjust);
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add_field(&rhjust);
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add_field(&confine);
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}
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public:
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virtual void render(render_action& a_action) {
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if(touched()) {
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update_sg();
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reset_touched();
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}
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if(back_visible.value()) m_back_sep.render(a_action);
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m_sep.render(a_action);
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}
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virtual void pick(pick_action& a_action) {
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if(touched()) {
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update_sg();
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reset_touched();
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}
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if(back_visible.value()) {
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m_back_sep.pick(a_action);
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if(a_action.done()) return;
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}
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}
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virtual void search(search_action& a_action) {
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node::search(a_action);
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if(a_action.done()) return;
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if(touched()) {
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update_sg();
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reset_touched();
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}
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if(back_visible.value()) {
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m_back_sep.search(a_action);
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if(a_action.done()) return;
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}
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m_sep.search(a_action);
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if(a_action.done()) return;
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}
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virtual bool write(write_action& a_action) {
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if(touched()) {
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update_sg();
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reset_touched();
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}
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if(back_visible.value()) if(!m_back_sep.write(a_action)) return false;
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return m_sep.write(a_action);
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}
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virtual void bbox(bbox_action& a_action) {
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if(touched()) {
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update_sg();
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reset_touched();
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}
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if(back_visible.value()) m_back_sep.bbox(a_action);
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m_sep.bbox(a_action);
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}
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public:
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infos_box(const base_freetype& a_ttf)
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:parent()
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,lstrings()
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,rstrings()
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,num_spaces(4)
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,color(colorf::black())
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,font(font_hershey())
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,encoding(encoding_PAW())
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,line_width(1)
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,front_face(winding_ccw)
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,back_visible(true)
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,wmargin_factor(0.9f)
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,hmargin_factor(0.9f)
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,lhjust(left)
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,rhjust(right)
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,confine(false)
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,m_ttf(a_ttf)
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{
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add_fields();
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}
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virtual ~infos_box(){}
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public:
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infos_box(const infos_box& a_from)
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:parent(a_from)
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,lstrings(a_from.lstrings)
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,rstrings(a_from.rstrings)
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,num_spaces(a_from.num_spaces)
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,color(a_from.color)
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,font(a_from.font)
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,encoding(a_from.encoding)
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,line_width(a_from.line_width)
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,front_face(a_from.front_face)
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,back_visible(a_from.back_visible)
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,wmargin_factor(a_from.wmargin_factor)
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,hmargin_factor(a_from.hmargin_factor)
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,lhjust(a_from.lhjust)
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,rhjust(a_from.rhjust)
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,confine(a_from.confine)
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,m_ttf(a_from.m_ttf)
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{
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add_fields();
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}
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infos_box& operator=(const infos_box& a_from){
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parent::operator=(a_from);
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lstrings = a_from.lstrings;
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rstrings = a_from.rstrings;
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num_spaces = a_from.num_spaces;
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color = a_from.color;
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font = a_from.font;
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encoding = a_from.encoding;
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line_width = a_from.line_width;
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front_face = a_from.front_face;
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back_visible = a_from.back_visible;
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wmargin_factor = a_from.wmargin_factor;
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hmargin_factor = a_from.hmargin_factor;
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lhjust = a_from.lhjust;
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rhjust = a_from.rhjust;
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confine = a_from.confine;
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return *this;
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}
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public:
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void update_sg() {
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// have this method public in order to use it in plotter.
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// This is so because infos_box::height is an output field
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// needed in plotter to place the box.
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m_back_sep.clear(); //back_area::update_sg done last.
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m_sep.clear();
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if(width.value()<=0) return;
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if(confine) {
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if(height.value()<=0) return;
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}
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{bool empty = true;
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std::vector<std::string>::const_iterator it;
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for(it=lstrings.values().begin();it!=lstrings.values().end();++it) {
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if((*it).size()) {empty = false;break;}
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}
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if(empty){
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for(it=rstrings.values().begin();it!=rstrings.values().end();++it) {
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if((*it).size()) {empty = false;break;}
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}
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}
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if(empty) return;}
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rgba* mat = new rgba();
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mat->color = color;
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m_sep.add(mat);
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if(font==font_hershey()) {
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draw_style* ds = new draw_style;
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ds->style.value(draw_style::lines);
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//ds->line_pattern = line_pattern;
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ds->line_width = line_width;
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m_sep.add(ds);
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}
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////////////////////////////////////////////////////////////
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/// left text //////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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base_text* ltext = 0;
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matrix* ltsf = 0;
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{separator* sep = new separator;
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m_sep.add(sep);
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ltsf = new matrix;
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sep->add(ltsf);
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if(font==font_hershey()) {
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text_hershey* text = new text_hershey;
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ltext = text;
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text->encoding = encoding;
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sep->add(text);
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} else {
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base_freetype* text = base_freetype::create(m_ttf);
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//TTNODE* text = new TTNODE;
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ltext = text;
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text->font = font;
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sep->add(text);
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}
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ltext->strings = lstrings;
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ltext->hjust = lhjust;}
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////////////////////////////////////////////////////////////
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/// right text /////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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base_text* rtext = 0;
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matrix* rtsf = 0;
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{separator* sep = new separator;
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m_sep.add(sep);
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rtsf = new matrix;
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sep->add(rtsf);
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if(font==font_hershey()) {
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text_hershey* text = new text_hershey;
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rtext = text;
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text->encoding = encoding;
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sep->add(text);
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} else {
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base_freetype* text = base_freetype::create(m_ttf);
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//TTNODE* text = new TTNODE;
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rtext = text;
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text->font = font;
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sep->add(text);
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}
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rtext->strings = rstrings;
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rtext->hjust = rhjust;}
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////////////////////////////////////////////////////////////
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/// middle spaces //////////////////////////////////////////
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////////////////////////////////////////////////////////////
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base_text* mtext = 0;
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{std::string s(num_spaces,' ');
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if(font==font_hershey()) {
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text_hershey* text = new text_hershey;
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mtext = text;
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text->strings.add(s);
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text->hjust = left;
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} else {
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base_freetype* text = base_freetype::create(m_ttf);
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//TTNODE* text = new TTNODE;
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mtext = text;
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text->strings.add(s);
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text->hjust = left;
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text->font = font;
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}}
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//sf<float> zfront ?
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float zz = back_visible.value()?0.01f:0;
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float fw = width * wmargin_factor;
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if(confine) {
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// left right texts may overlap.
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// adjust height :
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float fh = height * hmargin_factor;
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float th = fh;
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{float mn_x,mn_y,mn_z;
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float mx_x,mx_y,mx_z;
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ltext->get_bounds(th,mn_x,mn_y,mn_z,mx_x,mx_y,mx_z);
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float bxh = mx_y-mn_y;
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// adjust box height :
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// fh -> bxh then to have fh :
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if(!bxh) {
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m_sep.clear();
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parent::update_sg();
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delete mtext;
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return;
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}
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th = fh*fh/bxh;}
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ltext->height = th;
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rtext->height = th;
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{float mn_x,mn_y,mn_z;
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float mx_x,mx_y,mx_z;
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ltext->get_bounds(th,mn_x,mn_y,mn_z,mx_x,mx_y,mx_z);
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float lw = mx_x-mn_x;
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float xtrans = (fw-lw)*0.5f; //left justified
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float xx = -(mn_x+mx_x)*0.5F-xtrans;
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float yy = -(mn_y+mx_y)*0.5F;
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ltsf->set_translate(xx,yy,zz);}
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{float mn_x,mn_y,mn_z;
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float mx_x,mx_y,mx_z;
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rtext->get_bounds(th,mn_x,mn_y,mn_z,mx_x,mx_y,mx_z);
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rtext->hjust = right;
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float xx = fw*0.5f;
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float yy = -(mn_y+mx_y)*0.5F;
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rtsf->set_translate(xx,yy,zz);}
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parent::update_sg();
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} else {
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// height of the info box is an output of the below.
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// The input to compute the geometry is the width of the infos
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// box, the left/right texts and the space between
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// left/right texts.
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// from a text height of th=1, and a left/right sep
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// of num_spaces*th, get width of the box :
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float th = 1;
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float lmn_x,lmn_y,lmn_z;
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float lmx_x,lmx_y,lmx_z;
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ltext->get_bounds(th,lmn_x,lmn_y,lmn_z,lmx_x,lmx_y,lmx_z);
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float lw = (lmx_x<lmn_x)?0:lmx_x-lmn_x;
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float rmn_x,rmn_y,rmn_z;
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float rmx_x,rmx_y,rmx_z;
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rtext->get_bounds(th,rmn_x,rmn_y,rmn_z,rmx_x,rmx_y,rmx_z);
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float rw = (rmx_x<rmn_x)?0:rmx_x-rmn_x;
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float mmn_x,mmn_y,mmn_z;
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float mmx_x,mmx_y,mmx_z;
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mtext->get_bounds(th,mmn_x,mmn_y,mmn_z,mmx_x,mmx_y,mmx_z);
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float mw = (mmx_x<mmn_x)?0:mmx_x-mmn_x;
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float winfos = lw+mw+rw;
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if(!winfos) {
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m_sep.clear();
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height = 1;
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parent::update_sg();
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delete mtext;
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return;
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}
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// assuming that text size is linear relative
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// to th, we get the th needed to match infos_box.width :
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// th -> winfos then to have fw :
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th = fw*th/winfos;
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// place the left/right texts by rescaling them to
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// the new th :
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ltext->height = th;
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ltext->get_bounds(th,lmn_x,lmn_y,lmn_z,lmx_x,lmx_y,lmx_z);
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float hinfos = (lmx_x<lmn_x)?0:lmx_y-lmn_y;
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float xx = -fw*0.5F; //left justified.
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float ty = -ltext->ascent(th)+hinfos*0.5f;
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ltsf->set_translate(xx,ty,zz);
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rtext->height = th;
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if(rtext->hjust==right) {
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xx = fw*0.5F;
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} else if(rtext->hjust==left) {
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rtext->get_bounds(th,rmn_x,rmn_y,rmn_z,rmx_x,rmx_y,rmx_z);
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rw = (rmx_x<rmn_x)?0:rmx_x-rmn_x;
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xx = fw*0.5F-rw;
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} else { //center
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rtext->get_bounds(th,rmn_x,rmn_y,rmn_z,rmx_x,rmx_y,rmx_z);
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rw = (rmx_x<rmn_x)?0:rmx_x-rmn_x;
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xx = fw*0.5F-rw*0.5F;
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}
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rtsf->set_translate(xx,ty,zz);
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// set infos_box.height :
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height = hinfos/hmargin_factor;
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//done last because of the upper height setup.
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parent::update_sg();
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}
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delete mtext;
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}
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protected:
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const base_freetype& m_ttf;
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separator m_sep;
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};
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}}
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#endif
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