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864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; |
char msg[80]; |
/* initialize graphics and local variables */ |
initgraph(&gdriver, &gmode, ""); |
/* read result of initialization */ |
errorcode = graphresult(); |
if (errorcode != grOk) |
{ |
printf("Graphics error: %s\n", |
grapherrormsg(errorcode)); |
printf("Press any key to halt:"); |
getch(); |
exit(1); |
} |
/* move the C.P. to location (20, 30) */ |
moveto(20, 30); |
/* create and output a |
message at (20, 30) */ |
sprintf(msg, " (%d, %d)", getx(), gety()); |
outtextxy(20, 30, msg); |
/* draw a line to a point a relative |
distance away from the current |
value of C.P. */ |
linerel(100, 100); |
/* create and output a message at C.P. */ |
sprintf(msg, " (%d, %d)", getx(), gety()); |
outtext(msg); |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
