! Copyright (C) 2003, 2007, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: kernel combinators sequences arrays
- classes.tuple multi-methods accessors colors.hsv ;
+USING: kernel combinators sequences arrays classes.tuple accessors colors.hsv ;
IN: colors
GENERIC: >rgba ( object -- rgba )
-METHOD: >rgba { rgba } ;
+M: rgba >rgba ( rgba -- rgba ) ;
-METHOD: >rgba { hsva }
+M: hsva >rgba ( hsva -- rgba )
{ [ hue>> ] [ saturation>> ] [ value>> ] [ alpha>> ] } cleave 4array
[ hsv>rgb ] [ peek ] bi suffix first4 rgba boa ;
-METHOD: >rgba { gray } [ gray>> dup dup ] [ alpha>> ] bi rgba boa ;
+M: gray >rgba ( gray -- rgba ) [ gray>> dup dup ] [ alpha>> ] bi rgba boa ;
-METHOD: >rgba { array } first4 rgba boa ;
+M: array >rgba ( array -- rgba ) first4 rgba boa ;
-! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-USE: syntax
-
-M: color red>> >rgba red>> ;
-M: color green>> >rgba green>> ;
-M: color blue>> >rgba blue>> ;
+M: color ( color -- red ) red>> >rgba red>> ;
+M: color ( color -- green ) green>> >rgba green>> ;
+M: color ( color -- blue ) blue>> >rgba blue>> ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!