#include <graphics.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <conio.h> |
#define CLIP_ON 1 /* activates clipping in viewport */ |
int main( void ) |
{ |
/* request auto detection */ |
int gdriver = DETECT, gmode, errorcode; |
/* initialize graphics and local variables */ |
initgraph(&gdriver, &gmode, "" ); |
/* read result of initialization */ |
errorcode = graphresult(); |
if (errorcode != grOk) /* an error occurred */ |
{ |
printf ( "Graphics error: %s\n" , grapherrormsg(errorcode)); |
printf ( "Press any key to halt:" ); |
getch(); |
exit (1); /* terminate with an error code */ |
} |
setcolor(getmaxcolor()); |
/* message in default full-screen viewport */ |
outtextxy(0, 0, "* <-- (0, 0) in default viewport" ); |
/* create a smaller viewport */ |
setviewport(50, 50, getmaxx()-50, getmaxy()-50, CLIP_ON); |
/* display some text */ |
outtextxy(0, 0, "* <-- (0, 0) in smaller viewport" ); |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
by: 发表于:2017-08-23 16:25:48 顶(0) | 踩(0) 回复
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