GetCurrentConsoleFontEx

#include <iostream>
#include <cwchar>
#include <Windows.h>

class localization {
public:
    void saveWinConsoleFont() {
        GetCurrentConsoleFontEx(GetStdHandle(STD_OUTPUT_HANDLE), FALSE, &this->savedFont);
    }
    void changeWinConsoleFont(const wchar_t * wstr, SHORT size) {
        CONSOLE_FONT_INFOEX cfi;
        cfi.cbSize = sizeof(cfi);
        cfi.nFont = 0;
        cfi.dwFontSize.X = 0; // Width of each character in the font
        cfi.dwFontSize.Y = size;// Height
        cfi.FontFamily = FF_DONTCARE;
        cfi.FontWeight = FW_NORMAL;
        std::wcscpy(cfi.FaceName, wstr); // Choose your font
        SetCurrentConsoleFontEx(GetStdHandle(STD_OUTPUT_HANDLE), FALSE, &cfi);
    }
    void restoreWinConsoleFont() {
        SetCurrentConsoleFontEx(GetStdHandle(STD_OUTPUT_HANDLE), FALSE, &this->savedFont);
    }
private:
    CONSOLE_FONT_INFOEX savedFont;
};

int main() {

    localization loc;
    loc.saveWinConsoleFont();
    loc.changeWinConsoleFont(L"Consolas", 16);
    std::cout << "Hello World!" << std::endl;
    loc.restoreWinConsoleFont();

    return 0;
}