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871天前#include <graphics.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <conio.h> |
int main(void) |
{ |
/* request auto detection */ |
int gdriver = DETECT, gmode, errorcode; |
int x, y; |
/* 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 */ |
} |
x = getmaxx() / 2; |
y = getmaxy() / 2; |
/* output a message */ |
settextjustify(CENTER_TEXT, CENTER_TEXT); |
outtextxy(x, y, "Press any key to exit graphics:"); |
getch(); |
/* restore system to text mode */ |
restorecrtmode(); |
printf("We're now in text mode.\n"); |
printf("Press any key to return to graphics mode:"); |
getch(); |
/* return to graphics mode */ |
setgraphmode(getgraphmode()); |
/* output a message */ |
settextjustify(CENTER_TEXT, CENTER_TEXT); |
outtextxy(x, y, "We're back in graphics mode."); |
outtextxy(x, y+textheight("W"), "Press any key to halt:"); |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
