Gabriele Cosmo
136 lines
2.7 KiB
Plaintext
136 lines
2.7 KiB
Plaintext
// 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_tools
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#define tools_sg_tools
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#include "separator"
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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 <cstdio> //sscanf
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namespace tools {
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namespace sg {
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inline void add_string(
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separator& a_sep
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,const std::string& a_font
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,font_modeling& a_font_modeling
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,const std::string& a_encoding
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,bool //a_smoothing
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,const std::string& a_string
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,float a_x,float a_y,float a_z
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,const vec3f& a_X
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,const vec3f& a_Y
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,float a_size
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,hjust a_hjust
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,vjust a_vjust
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,const base_freetype& a_ttf
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){
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if(a_string.empty()) return;
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matrix* tsf = new matrix;
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{tsf->mul_translate(a_x,a_y,a_z);
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vec3f X = a_X;
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vec3f Y = a_Y;
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X.normalize();
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Y.normalize();
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vec3f Z;X.cross(Y,Z);
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Z.cross(X,Y);
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mat4f r(X.v0(),Y.v0(),Z.v0(),0, //first row
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X.v1(),Y.v1(),Z.v1(),0,
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X.v2(),Y.v2(),Z.v2(),0,
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0,0,0,1);
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tsf->mul_mtx(r);
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tsf->mul_scale(a_size,a_size,1);} //applied first on GL
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a_sep.add(tsf);
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if(a_font==font_hershey()) {
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text_hershey* text = new text_hershey;
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text->encoding.value(a_encoding);
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text->strings.add(a_string);
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text->hjust.value(a_hjust);
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text->vjust.value(a_vjust);
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a_sep.add(text);
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} else {
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base_freetype* text = base_freetype::create(a_ttf);
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text->font = a_font;
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text->strings.add(a_string);
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text->hjust.value(a_hjust);
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text->vjust.value(a_vjust);
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text->modeling = a_font_modeling;
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a_sep.add(text);
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}
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}
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inline matrix* add_string_opt(
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separator& a_sep
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,const std::string& a_font
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,font_modeling a_font_modeling
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,const std::string& a_encoding
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,bool //a_smoothing
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,const std::string& a_string
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,float a_x,float a_y,float a_z
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,mat4f& a_scale_rot
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,hjust a_hjust
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,vjust a_vjust
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,const base_freetype& a_ttf
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){
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//used in axis::update_sg()
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if(a_string.empty()) return 0;
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matrix* tsf = new matrix;
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tsf->mul_translate(a_x,a_y,a_z);
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tsf->mul_mtx(a_scale_rot);
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a_sep.add(tsf);
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if(a_font==font_hershey()) {
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text_hershey* text = new text_hershey;
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text->encoding.value(a_encoding);
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text->strings.add(a_string);
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text->hjust.value(a_hjust);
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text->vjust.value(a_vjust);
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a_sep.add(text);
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} else {
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std::string _s = a_string;
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if(a_encoding==encoding_PAW()) {
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int mag;
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if(::sscanf(a_string.c_str(),"10^%d?",&mag)==1) {
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_s[2] = 'e';
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_s = _s.substr(0,_s.size()-1);
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}
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}
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base_freetype* text = base_freetype::create(a_ttf);
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text->font = a_font;
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text->strings.add(_s);
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text->hjust.value(a_hjust);
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text->vjust.value(a_vjust);
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text->modeling = a_font_modeling;
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a_sep.add(text);
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}
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return tsf;
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}
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}}
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#endif
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