funtc165b.dat

来自「C++指令字典 一个方便的软件 用于C++指令的查询」· DAT 代码 · 共 35 行

#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
{
    int gdriver = DETECT, gmode, errorcode;
    int xasp, yasp, midx, midy;
    initgraph(&gdriver, &gmode, );
    errorcode = graphresult();
    if (errorcode != grOk)
    {
        printf("Graphics error: %s
",grapherrormsg(errorcode));
        printf("Press any key to halt:");
    getch();
    exit(1);
    }
    midx = getmaxx() / 2;
    midy = getmaxy() / 2;
    setcolor(getmaxcolor());
    getaspectratio(&xasp, &yasp);
    circle(midx, midy, 100);
    getch();
    cleardevice();
    setaspectratio(xasp/2, yasp);
    circle(midx, midy, 100);
    getch();
    cleardevice();
    setaspectratio(xasp, yasp/2);
    circle(midx, midy, 100);
    getch();
    closegraph();
    return 0;
}