5sPP3Task3

#include <stdio.h>
#include <stdlib.h>

#define _WIN32_WINNT 0X0A00

#include <windows.h>
#include <corecrt_math.h>

void WinShow(HDC dc)
{
    double x, y; int a = 3;

    SelectObject(dc, GetStockObject(DC_BRUSH));
    SetDCBrushColor(dc, RGB(0, 0, 255));

    MoveToEx(dc, 20, 280, NULL);
    LineTo(dc, 760, 280);

    MoveToEx(dc, 400, 20, NULL);
    LineTo(dc, 400, 540);

    SetDCBrushColor(dc, RGB(255, 0, 0));
    for (double t = 0; t < 2 * 3.14; t += 0.001) {
        x = cos(t);
        x = a * x * x * x;
        y = sin(t);
        y = a * y * y * y;
        SetPixel(dc, x * 70 + 400, 280 - y * 70, RGB(255, 0, 0));
    }
}


LRESULT WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
    if (message == WM_DESTROY)
        PostQuitMessage(0);
    else return DefWindowProcA(hwnd, message, wparam, lparam);
}
int main()
{
    WNDCLASSA wcl;
    memset(&wcl, 0, sizeof(WNDCLASSA));
    wcl.lpszClassName = "my_Window";
    wcl.lpfnWndProc = WndProc;
    RegisterClassA(&wcl);
    HWND hwnd;
    hwnd = CreateWindow(L"my_Window", L"        ", WS_OVERLAPPEDWINDOW, 10, 10, 800, 600, NULL, NULL, NULL, NULL);
    HDC dc = GetDC(hwnd);
    ShowWindow(hwnd, SW_SHOWNORMAL);
    MSG msg;

    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
        WinShow(dc);
    }
    return 0;
}