C program to implement countdown clock
#include <conio.h>
#include <graphics.h>
#include <string.h>
#include <dos.h>
int main() {
/* request auto detection */
int gdriver = DETECT, gmode, err;
int i, midx, midy;
char str[64];
/* initialize graphic mode */
initgraph(&gdriver, &gmode, "C:/TURBOC3/BGI");
err = graphresult();
if (err != grOk) {
/* error occurred */
printf("Graphics Error: %s\n",
grapherrormsg(err));
return 0;
}
/* mid positions in x and y-axis */
midx = getmaxx() / 2;
midy = getmaxy() / 2;
/* 60 second counter */
for (i = 60; i > 0; i--) {
/* draws the gray board */
setcolor(DARKGRAY);
setfillstyle(SOLID_FILL, DARKGRAY);
rectangle(midx - 100, midy - 100, midx + 100, midy + 100);
floodfill(midx, midy, DARKGRAY);
/* place the text "60 sec couter" on the gray board */
setcolor(WHITE);
sprintf(str, "%s", "60 Sec Counter");
settextstyle(TRIPLEX_FONT, HORIZ_DIR, 2);
settextjustify(CENTER_TEXT, CENTER_TEXT);
moveto(midx, midy - 70);
outtext(str);
/* print the current counter value on the gray board */
sprintf(str, "%d", i);
moveto(midx, midy + 30);
outtext(str);
/* sleep for a second */
sleep(1);
/* clears graphic screen */
cleardevice();
}
/* print "Time's Up" after 60 seconds */
setcolor(LIGHTRED);
settextstyle(TRIPLEX_FONT, HORIZ_DIR, 3);
settextjustify(CENTER_TEXT, CENTER_TEXT);
moveto(midx, midy);
sprintf(str, "Time's Up");
outtext(str);
getch();
/* deallocate memory allocated for graphic screen */
closegraph();
return 0;
}
Output: (C program to implement 60 second counter)
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