Вы не можете выбрать более 25 тем
Темы должны начинаться с буквы или цифры, могут содержать дефисы(-) и должны содержать не более 35 символов.
93 строки
2.4 KiB
C++
93 строки
2.4 KiB
C++
|
|
#include <math.h>
|
|
#include <iostream>
|
|
#include <conio.h>
|
|
#include <vector>
|
|
#include <string>
|
|
#include "svg.h"
|
|
|
|
using namespace std;
|
|
|
|
void
|
|
svg_begin(double width, double height)
|
|
{
|
|
cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
|
|
cout << "<svg ";
|
|
cout << "width='" << width << "' ";
|
|
cout << "height='" << height << "' ";
|
|
cout << "viewBox='0 0 " << width << " " << height << "' ";
|
|
cout << "xmlns='http://www.w3.org/2000/svg'>\n";
|
|
}
|
|
|
|
|
|
void
|
|
svg_end()
|
|
{
|
|
cout << "</svg>\n";
|
|
}
|
|
|
|
void
|
|
svg_text(double left, double baseline, string text)
|
|
{
|
|
cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
|
|
}
|
|
|
|
void
|
|
svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
|
|
{
|
|
cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fill<<"' />";
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
show_histogram_svg(const vector<size_t>& bins, const vector<double>& borders, size_t bin_count)
|
|
{
|
|
const auto IMAGE_WIDTH = 400;
|
|
const auto IMAGE_HEIGHT = 300;
|
|
const auto TEXT_LEFT = 20;
|
|
const auto TEXT_BASELINE = 20;
|
|
const auto TEXT_WIDTH = 50;
|
|
const auto BIN_HEIGHT = 30;
|
|
const auto BLOCK_WIDTH = 10;
|
|
const auto COLOUR1 = "black";
|
|
const auto COLOUR2 = "green";
|
|
const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
|
|
size_t border = 0;
|
|
size_t number_of_blocks;
|
|
|
|
svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
|
|
size_t max_bin = *max_element(bins.begin(), bins.end());
|
|
|
|
double top = 0;
|
|
double max_count = bins[0];
|
|
for (size_t i = 0; i < bins.size(); i++)
|
|
{
|
|
if (max_count<bins[i])
|
|
{
|
|
max_count=bins[i];
|
|
}
|
|
}
|
|
|
|
for (size_t bin : bins)
|
|
{
|
|
number_of_blocks = bin;
|
|
if ((max_bin * BLOCK_WIDTH) > (IMAGE_WIDTH - TEXT_WIDTH)){
|
|
number_of_blocks = ((IMAGE_WIDTH - TEXT_WIDTH)/10) * (static_cast<double>(bin) / max_bin);
|
|
}
|
|
const double bin_width = BLOCK_WIDTH * number_of_blocks;
|
|
svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
|
|
svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, COLOUR1, COLOUR2);
|
|
top += BIN_HEIGHT;
|
|
if (border < bin_count - 1){
|
|
top += BIN_HEIGHT;
|
|
svg_text(TEXT_LEFT / 2, top + TEXT_BASELINE , to_string(borders[border]));
|
|
border += 1;
|
|
top += BIN_HEIGHT;
|
|
}
|
|
}
|
|
|
|
svg_end();
|
|
}
|