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865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 maxx, maxy; |
/* initialize graphics and local variables */ |
initgraph(&gdriver, &gmode, "c:\\bor\\Borland\\bgi"); |
/* 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 */ |
} |
maxx = getmaxx(); |
maxy = getmaxy(); |
/* output line with non-default settings */ |
setlinestyle(DOTTED_LINE, 0, 3); |
line(0, 0, maxx, maxy); |
outtextxy(maxx/2, maxy/3, "Before default values are restored."); |
getch(); |
/* restore default values for everything */ |
graphdefaults(); |
/* clear the screen */ |
cleardevice(); |
/* output line with default settings */ |
line(0, 0, maxx, maxy); |
outtextxy(maxx/2, maxy/3, "After restoring default values."); |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
