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93 строки
2.8 KiB
C++
93 строки
2.8 KiB
C++
#include "svg.h"
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#include <string>
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using namespace std;
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void svg_begin(double width, double height) {
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cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
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cout << "<svg ";
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cout << "width='" << width << "' ";
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cout << "height='" << height << "' ";
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cout << "viewBox='0 0 " << width << " " << height << "' ";
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cout << "xmlns='http://www.w3.org/2000/svg'>\n";
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}
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void svg_end() {
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cout << "</svg>\n";
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}
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void svg_text(double left, double baseline, string text) {
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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, string stroke = "black", string fill = "black")
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{
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cout << "<rect x='" << x << "' y='" << y << "' width='" << width
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<< "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << " '/>";
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}
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//Çàùèòà
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/*
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void svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black", double fill_opacity = 1.0) {
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cout << "<rect x='" << x << "' y='" << y << "' width='" << width
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<< "' height='" << height << "' stroke='" << stroke
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<< "' fill='" << fill << "' fill-opacity='" << fill_opacity << "'/>";
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}
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void show_histogram_svg(const 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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size_t max_count = *max_element(bins.begin(), bins.end());
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if (max_count == 0) max_count = 1;
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svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
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double top = 0;
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for (size_t bin : bins) {
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const double bin_width = min(static_cast<double>(BLOCK_WIDTH * bin), static_cast<double>(IMAGE_WIDTH - TEXT_WIDTH));
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double opacity = static_cast<double>(bin) / max_count;
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT,
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"blue", "green", opacity);
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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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*/
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void show_histogram_svg(const 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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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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if(bin_width> IMAGE_WIDTH) {
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const double bin_width= IMAGE_WIDTH - TEXT_WIDTH;
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}
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "blue", "green");
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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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