1typedef struct{struct{char*d;int b;}*i;}*t; 2double f(); 3g(p)t p; 4{ 5 short x,y,delta,s,w,h,fx,fy,tx,ty; 6 int q1,q2,q3,q4; 7 h=f((ty-fy)/2.0+0.5); 8 s=(((int)((short)(tx-fx))<(int)((short)(ty-fy)))?((short)(tx-fx)):((short)(ty-fy)))%2; 9 delta=(((int)(w)<(int)(h))?(w):(h))-s; 10 for(x=0;x<=delta;x++) 11 for(y=1-s;y<=delta;y++){ 12 q1=((int)((*(p->i->d+(fx+w+x)/8+(fy+h+y)*p->i->b)&(1<<((fx+w+x)%8)))?1:0)); 13 q2=((int)((*(p->i->d+(fx+w+y)/8+(fy+h-s-x)*p->i->b)&(1<<((fx+w+y)%8)))?1:0)); 14 q3=((int)((*(p->i->d+(fx+w-s-x)/8+(fy+h-s-y)*p->i->b)&(1<<((fx+w-s-x)%8)))?1:0)); 15 q4=((int)((*(p->i->d+(fx+w-s-y)/8+(fy+h+x)*p->i->b)&(1<<((fx+w-s-y)%8)))?1:0)); 16 if(q4!=q1) 17 ff(p,fx+w-s-y,fy+h+x); 18 } 19} 20