/ *   
 
   *   P R O J E C T :   N y A R T o o l k i t ( E x t e n s i o n ) 
 
   *   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
 
   *   T h e   N y A R T o o l k i t   i s   J a v a   e d i t i o n   A R T o o l K i t   c l a s s   l i b r a r y . 
 
   *   C o p y r i g h t   ( C ) 2 0 0 8 - 2 0 0 9   R y o   I i z u k a 
 
   * 
 
   *   T h i s   p r o g r a m   i s   f r e e   s o f t w a r e :   y o u   c a n   r e d i s t r i b u t e   i t   a n d / o r   m o d i f y 
 
   *   i t   u n d e r   t h e   t e r m s   o f   t h e   G N U   G e n e r a l   P u b l i c   L i c e n s e   a s   p u b l i s h e d   b y 
 
   *   t h e   F r e e   S o f t w a r e   F o u n d a t i o n ,   e i t h e r   v e r s i o n   3   o f   t h e   L i c e n s e ,   o r 
 
   *   ( a t   y o u r   o p t i o n )   a n y   l a t e r   v e r s i o n . 
 
   *   
 
   *   T h i s   p r o g r a m   i s   d i s t r i b u t e d   i n   t h e   h o p e   t h a t   i t   w i l l   b e   u s e f u l , 
 
   *   b u t   W I T H O U T   A N Y   W A R R A N T Y ;   w i t h o u t   e v e n   t h e   i m p l i e d   w a r r a n t y   o f 
 
   *   M E R C H A N T A B I L I T Y   o r   F I T N E S S   F O R   A   P A R T I C U L A R   P U R P O S E .     S e e   t h e 
 
   *   G N U   G e n e r a l   P u b l i c   L i c e n s e   f o r   m o r e   d e t a i l s . 
 
   * 
 
   *   Y o u   s h o u l d   h a v e   r e c e i v e d   a   c o p y   o f   t h e   G N U   G e n e r a l   P u b l i c   L i c e n s e 
 
   *   a l o n g   w i t h   t h i s   p r o g r a m .     I f   n o t ,   s e e   < h t t p : / / w w w . g n u . o r g / l i c e n s e s / > . 
 
   *   
 
   *   F o r   f u r t h e r   i n f o r m a t i o n   p l e a s e   c o n t a c t . 
 
   * 	 h t t p : / / n y a t l a . j p / n y a t o o l k i t / 
 
   * 	 < a i r m a i l ( a t ) e b o n y . p l a l a . o r . j p >   o r   < n y a t l a ( a t ) n y a t l a . j p > 
 
   *   
 
   * / 
 
 u s i n g   S y s t e m . D i a g n o s t i c s ; 
 
 n a m e s p a c e   j p . n y a t l a . n y a r t o o l k i t . c s . c o r e 
 
 { 
 
 
 
 
 
         / * * 
 
           *   S0n00000000o00G a u s s i a n 0000g0;uP0s^nSW0~0Y00
 
           *   0000000o03 x 3 g0Y00
 
           *   < p > [_W0f0D00;u }b__o0NNn00g0Y00
 
           *   < l i > { @ l i n k   N y A R B u f f e r T y p e # I N T 1 D _ G R A Y _ 8 } 
 
           *   < / p > 
 
           * / 
 
         p u b l i c   i n t e r f a c e   I N y A R G s G a u s s i a n S m o o t h F i l t e r 
 
         { 
 
                 v o i d   d o F i l t e r ( I N y A R G r a y s c a l e R a s t e r   i _ o u t p u t ) ; 
 
         } 
 
 
 
         / * * 
 
           *   6RPN
 
           *   S0n0000o00i n / o u t qQk0G S 8 n0Bfn00R\OW0~0Y00
 
           * / 
 
         c l a s s   N y A R G s G a u s s i a n S m o o t h F i l t e r _ G S 8   :   I N y A R G s G a u s s i a n S m o o t h F i l t e r 
 
         { 
 
                 p r i v a t e   I N y A R G r a y s c a l e R a s t e r   _ r a s t e r ; 
 
                 p u b l i c   N y A R G s G a u s s i a n S m o o t h F i l t e r _ G S 8 ( I N y A R G r a y s c a l e R a s t e r   i _ r a s t e r ) 
 
                 { 
 
                         D e b u g . A s s e r t ( i _ r a s t e r . i s E q u a l B u f f e r T y p e ( N y A R B u f f e r T y p e . I N T 1 D _ G R A Y _ 8 ) ) ; 
 
                         t h i s . _ r a s t e r   =   i _ r a s t e r ; 
 
                 } 
 
 
 
                 p u b l i c   v o i d   d o F i l t e r ( I N y A R G r a y s c a l e R a s t e r   i _ o u t p u t ) 
 
                 { 
 
                         i n t [ ]   i n _ p t r   =   ( i n t [ ] ) t h i s . _ r a s t e r . g e t B u f f e r ( ) ; 
 
                         i n t   w i d t h   =   t h i s . _ r a s t e r . g e t W i d t h ( ) ; 
 
                         i n t   h e i g h t   =   t h i s . _ r a s t e r . g e t H e i g h t ( ) ; 
 
                         i n t   c o l 0 ,   c o l 1 ,   c o l 2 ; 
 
                         i n t   b p t r   =   0 ; 
 
                         s w i t c h   ( i _ o u t p u t . g e t B u f f e r T y p e ( ) ) 
 
                         { 
 
                                 c a s e   N y A R B u f f e r T y p e . I N T 1 D _ G R A Y _ 8 : 
 
                                         i n t [ ]   o u t _ p t r   =   ( i n t [ ] ) i _ o u t p u t . g e t B u f f e r ( ) ; 
 
                                         b p t r   =   0 ; 
 
                                         / / 1 Lv
 
                                         c o l 1   =   i n _ p t r [ b p t r ]   *   2   +   i n _ p t r [ b p t r   +   w i d t h ] ; 
 
                                         c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   +   w i d t h   +   1 ] ; 
 
                                         o u t _ p t r [ b p t r ]   =   ( c o l 1   *   2   +   c o l 2 )   /   9 ; 
 
                                         b p t r + + ; 
 
                                         f o r   ( i n t   x   =   0 ;   x   <   w i d t h   -   2 ;   x + + ) 
 
                                         { 
 
                                                 c o l 0   =   c o l 1 ; 
 
                                                 c o l 1   =   c o l 2 ; 
 
                                                 c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   +   w i d t h   +   1 ] ; 
 
                                                 o u t _ p t r [ b p t r ]   =   ( c o l 0   +   c o l 1   *   2   +   c o l 2 )   /   1 2 ; 
 
                                                 b p t r + + ; 
 
                                         } 
 
                                         o u t _ p t r [ b p t r ]   =   ( c o l 1   +   c o l 2 )   /   9 ; 
 
                                         b p t r + + ; 
 
                                         / / 2 Lv- +gL- 1 
 
                                         f o r   ( i n t   y   =   0 ;   y   <   h e i g h t   -   2 ;   y + + ) 
 
                                         { 
 
                                                 / / ]z
 
                                                 c o l 1   =   i n _ p t r [ b p t r ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h ]   +   i n _ p t r [ b p t r   +   w i d t h ] ; 
 
                                                 c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h   +   1 ]   +   i n _ p t r [ b p t r   +   w i d t h   +   1 ] ; 
 
                                                 o u t _ p t r [ b p t r ]   =   ( c o l 1   +   c o l 2 )   /   1 2 ; 
 
                                                 b p t r + + ; 
 
                                                 f o r   ( i n t   x   =   0 ;   x   <   w i d t h   -   2 ;   x + + ) 
 
                                                 { 
 
                                                         c o l 0   =   c o l 1 ; 
 
                                                         c o l 1   =   c o l 2 ; 
 
                                                         c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h   +   1 ]   +   i n _ p t r [ b p t r   +   w i d t h   +   1 ] ; 
 
                                                         o u t _ p t r [ b p t r ]   =   ( c o l 0   +   c o l 1   *   2   +   c o l 2 )   /   1 6 ; 
 
                                                         b p t r + + ; 
 
                                                 } 
 
                                                 / / Sz
 
                                                 o u t _ p t r [ b p t r ]   =   ( c o l 1   *   2   +   c o l 2 )   /   1 2 ; 
 
                                                 b p t r + + ; 
 
                                         } 
 
                                         / / +gLv
 
                                         c o l 1   =   i n _ p t r [ b p t r ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h ] ; 
 
                                         c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h   +   1 ] ; 
 
                                         o u t _ p t r [ b p t r ]   =   ( c o l 1   +   c o l 2 )   /   9 ; 
 
                                         b p t r + + ; 
 
                                         f o r   ( i n t   x   =   0 ;   x   <   w i d t h   -   2 ;   x + + ) 
 
                                         { 
 
                                                 c o l 0   =   c o l 1 ; 
 
                                                 c o l 1   =   c o l 2 ; 
 
                                                 c o l 2   =   i n _ p t r [ b p t r   +   1 ]   *   2   +   i n _ p t r [ b p t r   -   w i d t h   +   1 ] ; 
 
                                                 o u t _ p t r [ b p t r ]   =   ( c o l 0   +   c o l 1   *   2   +   c o l 2 )   /   1 2 ; 
 
                                                 b p t r + + ; 
 
                                         } 
 
                                         o u t _ p t r [ b p t r ]   =   ( c o l 1   *   2   +   c o l 2 )   /   9 ; 
 
                                         b p t r + + ; 
 
                                         r e t u r n ; 
 
                                 d e f a u l t : 
 
                                         t h r o w   n e w   N y A R E x c e p t i o n ( ) ; 
 
                         } 
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