eg_setcr.c

开放源码的编译器open watcom 1.6.0版的源代码

#include <conio.h>
#include <graph.h>

main()
{
    short x1, y1, x2, y2;

    _setvideomode( _VRES16COLOR );
    _getcliprgn( &x1, &y1, &x2, &y2 );
    _setcliprgn( 130, 100, 510, 380 );
    _ellipse( _GBORDER, 120, 90, 520, 390 );
    getch();
    _setcliprgn( x1, y1, x2, y2 );
    _setvideomode( _DEFAULTMODE );
}