#include <stdio.h>
#include <conio.h>
#include <graphics.h>
#include <dos.h>
int main() {
/* request auto detection */
int gdriver = DETECT, gmode, err;
int i, x1, y1, x2, y2, midx, midy;
/* 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;
/* drawing the tank */
setcolor(DARKGRAY);
setlinestyle(SOLID_LINE, 1, 3);
rectangle(100, midy - 5, getmaxx() - 100, midy + 200);
setcolor(BLACK);
line(99, midy - 5, getmaxx() - 99, midy - 5);
/* water from pipe to tank */
setcolor(BLUE);
setlinestyle(DOTTED_LINE, 1, 3);
arc(0, midy, 0, 90, 150);
arc(0, midy, 0, 90, 147);
arc(0, midy, 0, 90, 144);
setlinestyle(SOLID_LINE, 1, 3);
line(144, midy, 144, midy + 198);
line(146, midy, 146, midy + 198);
line(148, midy, 148, midy + 198);
line(149, midy, 149, midy + 198);
/* drawing the pipe */
setcolor(WHITE);
setlinestyle(SOLID_LINE, 1, 1);
setfillstyle(SOLID_FILL, WHITE);
rectangle(0, midy - 156, 30, midy - 137);
floodfill(1, midy - 155, WHITE);
/* set the color of water */
setcolor(BLUE);
setlinestyle(SOLID_LINE, 1, 3);
x1 = 103, y1 = midy + 195;
x2 = getmaxx() - 103, y2 = midy + 197;
/* fill the tank with water */
while (y1 > midy) {
setfillstyle(SOLID_FILL, BLUE);
rectangle(x1, y1, x2, y2);
floodfill(x1, y1, BLUE);
y1 = y1 - 2;
y2 = y2 - 2;
delay(100);
}
/* stop water from pipe to tank */
setcolor(BLACK);
setlinestyle(SOLID_LINE, 1, 3);
arc(0, midy, 0, 90, 150);
arc(0, midy, 0, 90, 147);
arc(0, midy, 0, 90, 144);
/* redraw the white pipe */
setcolor(WHITE);
setlinestyle(SOLID_LINE, 1, 1);
setfillstyle(SOLID_FILL, WHITE);
rectangle(0, midy - 156, 30, midy - 137);
floodfill(28, midy - 139, WHITE);
getch();
/* deallocate memory allocated for graphic screen */
closegraph();
return 0;
}
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