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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; |
int midx, midy; |
char xrange[80], yrange[80]; |
/* 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 */ |
} |
midx = getmaxx() / 2; |
midy = getmaxy() / 2; |
/* convert max resolution values into strings */ |
sprintf(xrange, "X values range from 0..%d", getmaxx()); |
sprintf(yrange, "Y values range from 0..%d", getmaxy()); |
/* display the information */ |
settextjustify(CENTER_TEXT, CENTER_TEXT); |
outtextxy(midx, midy, xrange); |
outtextxy(midx, midy+textheight("W"), yrange); |
/* clean up */ |
getch(); |
closegraph(); |
return 0; |
} |
