steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

colors.gray: adding rgba>gray.

John Benediktsson 2012-10-21 12:02:44 -07:00
parent 479c2d5a69
commit 0fd59d5a82
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
basis/colors/gray/gray.factor
View File

@ -15,3 +15,8 @@ M: gray red>> gray>> ;
M: gray green>> gray>> ; M: gray green>> gray>> ;
M: gray blue>> gray>> ; M: gray blue>> gray>> ;
: rgba>gray ( rgba -- gray )
>rgba-components [
[ 0.3 * ] [ 0.59 * ] [ 0.11 * ] tri* + +
] dip <gray> ;