outtext C库函数 图形屏幕函数

说明:

void outtext(s)

char *s;

功能:将正文字符串s在当前屏幕的当前位置输出.

程序例:

#include <graphics.h>

#include <stdlib.h>

#include <stdio.h>

#include <conio.h>

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode;

int midx, midy;

/* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "");

/* read result of initialization */

errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\", grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

midx = getmaxx() / 2;

midy = getmaxy() / 2;

/* move the C.P. to the center of the screen */

moveto(midx, midy);

/* output text starting at the C.P. */

outtext("This ");

outtext("is ");

outtext("a ");

outtext("test.");

/* clean up */

getch();

closegraph();

return 0;

}