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78 строки
2.3 KiB
C++
78 строки
2.3 KiB
C++
#include "iostream"
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#include "svg.h"
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const auto IMAGE_WIDTH = 400;
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const auto IMAGE_HEIGHT = 300;
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const auto TEXT_LEFT = 20;
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const auto TEXT_BASELINE = 20;
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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void svg_begin(double width, double height, std::vector <double>& test)
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{
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test.push_back(width);
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test.push_back(height);
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std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
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std::cout << "<svg ";
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std::cout << "width='" << width << "' ";
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std::cout << "height='" << height << "' ";
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std::cout << "viewBox='0 0 " << width << " " << height << "' ";
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std::cout << "xmlns='http://www.w3.org/2000/svg'>\n";
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}
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void svg_text(double left, double baseline, std::string text)
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{
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std::cout << "<text x='"<< left <<"' y='"<< baseline <<"'>"<< text <<"</text>";
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}
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void svg_rect(double x, double y, double width, double height, std::string stroke = "black", std::string fill = "red")
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{
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std::cout<< "<rect x='"<< x <<"' y='"<< y <<"' width='"<< width <<"' height='"<< height<<"' stroke='black' fill='red' ></rect>";
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}
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void svg_line(double x, double y, double x2, double y2, std::vector <double>& test)
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{
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test.push_back(x);
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test.push_back(y);
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test.push_back(x2);
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test.push_back(y2);
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std::cout<<"<line x1='"<< x <<"' y1='"<< y <<"' x2='"<< x2 <<"' y2='"<< y2 <<"' stroke-dasharray = '10 10' stroke='black';stroke-width:4' />";
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}
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void
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show_histogram_svg(const std::vector<size_t>& bins, size_t & max_count, size_t & bin_count, std::vector <double>& test)
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{
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const auto BLOCK_WIDTH = (IMAGE_WIDTH - TEXT_WIDTH)/max_count;
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svg_begin(IMAGE_WIDTH+4, IMAGE_HEIGHT, test);
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double top = 4;
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svg_line(TEXT_LEFT, top, IMAGE_WIDTH+5, top, test);
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svg_line(TEXT_LEFT-10, top, TEXT_LEFT-10, top+3*BIN_HEIGHT, test);
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svg_line(IMAGE_WIDTH+5, top, IMAGE_WIDTH+5, 2*top+3*BIN_HEIGHT, test);
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svg_line(TEXT_LEFT, 2*top+3*BIN_HEIGHT, IMAGE_WIDTH+5, 2*top+3*BIN_HEIGHT, test);
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for (double t : test)
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{
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std:: cout << t<< '\n';
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}
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for (size_t bin : bins)
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{
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const double bin_width = BLOCK_WIDTH * bin;
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
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svg_rect(TEXT_WIDTH+2, top+2, bin_width, BIN_HEIGHT);
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top += BIN_HEIGHT;
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}
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svg_end();
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}
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void
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svg_end()
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{
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std::cout << "</svg>\n";
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}
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