Created
January 20, 2017 17:36
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#include<stdio.h> | |
#include<graphics.h> | |
void flood_fill(int x,int y,int old_color,int fill_color); | |
int main() | |
{ | |
int gd,gm,x,y,x1,x2,y1,y2; | |
detectgraph(&gd,&gm); | |
initgraph(&gd,&gm,"C://TurboC3//BGI"); | |
printf("Enter top-left point of rectangle: "); | |
scanf("%d%d",&x1,&y1); | |
printf("Enter bottom-right point of rectangle: "); | |
scanf("%d%d",&x2,&y2); | |
cleardevice(); | |
setcolor(WHITE); | |
rectangle(x1,y1,x2,y2); | |
flood_fill(x1+1,y1+1,0,4); | |
getch(); | |
closegraph(); | |
return 0; | |
} | |
void flood_fill(int x,int y,int old_color,int fill_color) | |
{ | |
int current; | |
current=getpixel(x,y); | |
if(current==old_color) | |
{ | |
putpixel(x,y,fill_color); | |
delay(10); | |
flood_fill(x+1,y,old_color,fill_color); | |
flood_fill(x,y+1,old_color,fill_color); | |
flood_fill(x-1,y,old_color,fill_color); | |
flood_fill(x,y-1,old_color,fill_color); | |
} | |
} |
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