b l u r 1 0 = b l u r , 1 0 , 1 0 
 
 b l u r 2 = b l u r , 2 , 2 
 
 b l u r 2 0 = b l u r , 2 0 , 2 0 
 
 b l u r 5 = b l u r , 5 , 5 
 
 b l u r 8 = b l u r , 8 , 8 
 
 c h a r a b l u r 1 0 = c a n v a s , 1 0 , 1 0 , 1 0 , 0 \ b l u r , 1 0 , 1 0 
 
 c h a r a b l u r 2 0 = c a n v a s , 2 0 , 2 0 , 2 0 , 0 \ b l u r , 2 0 , 2 0 
 
 h i d d e n f a c e = g o v e r l a y , v e r t i c a l , 2 5 5 , $ 0 0 0 0 0 0 , 2 5 5 , $ 0 0 0 0 0 0 , 0 , $ 0 0 0 0 0 0 , 0 , 2 5 , 1 0 0 , n o r m a l , 2 5 5 
 
 m o n o = c h r o m a , - 1 0 0 
 
 m o s a i c 1 0 = m o s a i c , 1 0 , 1 0 
 
 m o s a i c 2 0 = m o s a i c , 2 0 , 2 0 
 
 n e g a = c o l o r f i l l , $ F F F F F F , 2 5 5 , d i f f e r e n c e 
 
 s e p i a = c h r o m a , - 1 0 0 \ c o l o r f i l l , $ 4 4 2 2 1 1 , 2 5 5 , s c r e e n 
 
 