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42 строки
1.5 KiB
C++
42 строки
1.5 KiB
C++
#include "svg.h"
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void svg_begin(double width, double 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_end() {
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std::cout << "</svg>\n";
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}
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void show_histogram_svg(const std::vector<size_t>& bins) {
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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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const auto BLOCK_WIDTH = 10;
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svg_begin(400, 300);
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//svg_text(20, 20, std::to_string(bins[0]));
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//svg_rect(50, 0, bins[0] * 10, 30,"red","FF9966");
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double top = 0;
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for (size_t bin : bins) {
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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, top, bin_width, BIN_HEIGHT,"red","#006B3C");
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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 svg_text(double left, double baseline, std::string text) {
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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, std::string fills){
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std::cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fills<<"' />";
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}
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