Вы не можете выбрать более 25 тем
Темы должны начинаться с буквы или цифры, могут содержать дефисы(-) и должны содержать не более 35 символов.
65 строки
1.7 KiB
C++
65 строки
1.7 KiB
C++
#include <iostream>
|
|
#include "svg.h"
|
|
#include <vector>
|
|
#include <string>
|
|
using namespace std;
|
|
|
|
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;
|
|
|
|
void
|
|
SvgBegin(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
|
|
SvgEnd() {
|
|
cout << "</svg>\n";
|
|
}
|
|
|
|
void
|
|
SvgText(double left, double baseline, string text) {
|
|
cout << "<text x='" << left << "' y='" << baseline << "' >" << text << "</text>\n";
|
|
}
|
|
|
|
void SvgRect(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 << "' />\n";
|
|
}
|
|
|
|
void
|
|
ShowHistogramSvg(const vector<size_t>& bins) {
|
|
double top = 0;
|
|
SvgBegin(400, 300);
|
|
|
|
size_t MaxCount = 0;
|
|
for (auto bin : bins) {
|
|
if (MaxCount < bin) {
|
|
MaxCount = bin;
|
|
}
|
|
}
|
|
int k = (IMAGE_WIDTH - TEXT_WIDTH) / MaxCount * BLOCK_WIDTH;
|
|
|
|
if (k > 1) k = 1;
|
|
|
|
for (size_t bin : bins) {
|
|
bin = bin * k;
|
|
const double bin_width = BLOCK_WIDTH * bin;
|
|
SvgText(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
|
|
SvgRect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red", "#FF69B4");
|
|
top += BIN_HEIGHT;
|
|
}
|
|
SvgEnd();
|
|
}
|
|
|
|
|