简单的图形学种子填充算法

#include "Conio.h"
#include "graphics.h"
#define closegr closegraph
void initgr(void) 
{
int gd=DETECT,gm=0; 
initgraph(&gd,&gm,"");
}
void seedfilling(x,y,fill_color,boundary_color)
int x,y,fill_color,boundary_color;
{
int c;
c=getpixel(x,y); 
if((c!=boundary_color)&&(c!=fill_color)) 
{
putpixel(x, y, fill_color); /*»­µã*/
/*getch(); */ 

   seedfilling(x+1,y, fill_color, boundary_color);    seedfilling(x-1,y, fill_color, boundary_color);   seedfilling(x, y+1, fill_color, boundary_color);   seedfilling(x, y-1, fill_color, boundary_color);}
}void main()
{
int a,b,color;
int gd=DETECT , gm;
int poly[10];
a=150 ;
b=140;
color=9;
initgraph(&gd , &gm , "");poly[0] = 110;        
poly[1] = 110;poly[2] = 200;      
poly[3] = 105;poly[4] = 170;