C++ PROGRAM TO IMPLEMENT THE CONCEPT OF 4 WAY BOUNDARY FILLING ALGORITHM

 C++ PROGRAM TO IMPLEMENT THE CONCEPT OF 4 WAY BOUNDARY FILLING ALGORITHM

CODE:

// C Implementation for 4 way Boundary Filling Algorithm

#include<graphics.h>

#include<stdlib.h>

#include<iostream>

#include<conio.h>


int main()

{

void boundary_fill(int x,int y,int f,int b);

int gdriver = DETECT, gmode;

initgraph(&gdriver, &gmode, "C:\\TC\\BGI");

setcolor(getmaxcolor());

int points[]={50,50,50,100,100,150,150,100,200,200,250,100,250,50,50,50};

drawpoly(8, points);

boundary_fill(100,100,4,15);

getch();

closegraph();

return 0;

}

void boundary_fill(int x,int y,int f,int b)

{

if(getpixel(x,y)!=b && getpixel(x,y)!=f)

{

putpixel(x,y,f);

boundary_fill(x+1,y,f,b);

boundary_fill(x-1,y,f,b);

boundary_fill(x,y+1,f,b);

boundary_fill(x,y-1,f,b);

}

}


OUTPUT:




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