Графика

#include <iostream>
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
 
int main()
{
    GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR gdiplusToken;
    GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
 
    HWND hwnd = GetConsoleWindow();
    HDC hdc = GetDC(hwnd);
 
    Graphics graphics(hdc);
    graphics.SetSmoothingMode(SmoothingModeAntiAlias);
    SolidBrush redBrush(Color::Red);
    SolidBrush greenBrush(Color::Green);
    SolidBrush blueBrush(Color::Blue);
 
    std::cout << "Radius = ";
    int r; std::cin >> r;
    int d = 2*r;
 
    RECT rect;
    GetClientRect(hwnd, &rect);
    int width = rect.right - rect.left;
    int height = rect.bottom - rect.top;
 
    while (true)
    {
        graphics.FillEllipse(&redBrush, width/2-r, height/2-r, d, d);
        Sleep(1000);
        graphics.FillEllipse(&greenBrush, width/2-r, height/2-r, d, d);
        Sleep(1000);
        graphics.FillEllipse(&blueBrush, width/2-r, height/2-r, d, d);
        Sleep(1000);
    }
 
    GdiplusShutdown(gdiplusToken);
    ReleaseDC(hwnd, hdc);
}

#pragma comment (lib,"Gdiplus.lib")