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

fix bitmap loading of odd-width files

db4
Doug Coleman 2009-03-16 07:08:35 -05:00
parent 58d997de5c
commit baf2cc6c5a
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
basis/images/bitmap/bitmap.factor
View File

@ -83,14 +83,15 @@ ERROR: bmp-not-supported n ;
:: fixup-color-index ( loading-bitmap -- loading-bitmap )
loading-bitmap width>> :> width
width 3 * :> width*3
loading-bitmap height>> abs :> height
loading-bitmap color-index>> length :> color-index-length
height 3 * :> height*3
color-index-length width height*3 * - height*3 /i :> misaligned
misaligned 0 > [
color-index-length height /i :> stride
color-index-length width*3 height * - height /i :> padding
padding 0 > [
loading-bitmap [
loading-bitmap width>> misaligned + 3 * <sliced-groups>
[ 3 misaligned * head* ] map concat
stride <sliced-groups>
[ width*3 head-slice ] map concat
] change-color-index
] [
loading-bitmap