images.processing.rotation: moving to extra/

[factor-unmaintained.git] / images / processing / rotation / rotation.factor

diff --git a/images/processing/rotation/rotation.factor b/images/processing/rotation/rotation.factor
deleted file mode 100644 (file)
index 863fa2e..0000000
--- a/images/processing/rotation/rotation.factor
+++ /dev/null
@@ -1,68 +0,0 @@
-! Copyright (C) 2009 Kobi Lurie.
-! See http://factorcode.org/license.txt for BSD license.
-USING: accessors arrays colors combinators
-combinators.short-circuit fry grouping images images.bitmap
-images.loader images.normalization kernel locals math sequences ;
-IN: images.processing.rotation
-
-ERROR: unsupported-rotation degrees ;
-
-<PRIVATE
-
-: rotate-90 ( seq^3 -- seq^3 ) flip [ reverse ] map ;
-: rotate-180 ( seq^3 -- seq^3 ) reverse [ reverse ] map ;
-: rotate-270 ( seq^3 -- seq^3 ) flip reverse ;
-
-: (rotate) ( seq n -- seq' )
-    {
-        { 0 [ ] }
-        { 90 [ rotate-90 ] }
-        { 180 [ rotate-180 ] }
-        { 270 [ rotate-270 ] }
-        [ unsupported-rotation ]
-    } case ;
-
-: rows-remove-pad ( byte-rows -- pixels' )
-    [ dup length 4 mod head* ] map ; 
-
-: row-length ( image -- n ) 
-    [ bitmap>> length ] [ dim>> second ] bi /i ;
-
-: image>byte-rows ( image -- byte-rows )
-    [ bitmap>> ] [ row-length ] bi group rows-remove-pad ;
-
-: (seperate-to-pixels) ( byte-rows image -- pixel-rows )
-    component-order>> bytes-per-pixel '[ _ group ] map ;
-
-: image>pixel-rows ( image -- pixel-rows )
-    [ image>byte-rows ] keep (seperate-to-pixels) ;
- 
-: flatten-table ( seq^3 -- seq )
-    [ concat ] map concat ;
-
-: ?reverse-dimensions ( image n -- )
-    { 270 90 } member? [ [ reverse ] change-dim ] when drop ;
-
-:  normalize-degree ( n -- n' ) 360 rem ;
-
-: processing-effect ( image quot -- image' )
-    '[ image>pixel-rows @ flatten-table ] [ bitmap<< ] [ ] tri ; inline
-
-:: rotate' ( image n -- image )
-    n normalize-degree :> n'
-    image image>pixel-rows :> pixel-table
-    image n' ?reverse-dimensions
-    pixel-table n' (rotate) :> table-rotated
-    image table-rotated flatten-table >>bitmap ;
-
-PRIVATE>
-
-: rotate ( image n -- image' )
-    normalize-degree
-    [ '[ _ (rotate) ] processing-effect ] [ ?reverse-dimensions ] 2bi ;
-
-: reflect-y-axis ( image -- image ) 
-    [ [ reverse ] map ] processing-effect ;
-
-: reflect-x-axis ( image -- image ) 
-    [ reverse ] processing-effect ;