fix byte swapping on greyscale-alpha

2009-10-08 20:37:00 -05:00 · 2009-10-08 20:37:00 -05:00 · 796b1c8977
parent fd4c6b73bb
commit 796b1c8977
1 changed files with 1 additions and 1 deletions
--- a/basis/images/png/png.factor
+++ b/basis/images/png/png.factor
@ -215,7 +215,7 @@ ERROR: invalid-color-type/bit-depth loading-png ;

 : decode-greyscale-alpha ( loading-image -- byte-array' )
    [ raw-bytes ] [ bit-depth>> ] bi 16 = [
-        3 group [ first3 swapd 3array ] map B{ } concat-as
+        4 group [ first4 [ swap ] 2dip 4array ] map B{ } concat-as
    ] when ;

 : loading-png>bitmap ( loading-png -- bytes component-order )