clearScreen.hpp

#include <windows.h>
#pragma once

void clearScreen(bool spaces=true, bool attributes=false) {
    HANDLE                     hStdOut;
    CONSOLE_SCREEN_BUFFER_INFO csbi;
    DWORD                      count;
    DWORD                      cellCount;
    COORD                      homeCoords = { 0, 0 };

    hStdOut = GetStdHandle( STD_OUTPUT_HANDLE );
    if (hStdOut == INVALID_HANDLE_VALUE) return;

    /* Get the number of cells in the current buffer */
    if (!GetConsoleScreenBufferInfo( hStdOut, &csbi )) return;
    cellCount = csbi.dwSize.X *csbi.dwSize.Y;

    if (spaces) {
        /* Fill the entire buffer with spaces */
        if (!FillConsoleOutputCharacter(
            hStdOut,
            (TCHAR) ' ',
            cellCount,
            homeCoords,
            &count
        )) return;
    }

    if (attributes) {
        /* Fill the entire buffer with the current colors and attributes */
        if (!FillConsoleOutputAttribute(
            hStdOut,
            csbi.wAttributes,
            cellCount,
            homeCoords,
            &count
        )) return;
    }

    /* Move the cursor home */
    SetConsoleCursorPosition( hStdOut, homeCoords );
}