:: 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