Name | Type | Description |
hue | verb | generate color from color set |
readbmp | verb | read bitmap file, returning RGB data |
readbmphdr | verb | read header from bitmap file |
viewbmp | verb | bitmap viewer using isipicture control |
viewrgb | verb | view numeric matrix of RGB data |
writebmp | verb | write bmp file from RGB data |
generate color from color set x. is color set y. is values from 0 to 1, selecting color
read bitmap file, returning RGB data new version thanks to Andrew Nikitin (J Forum 5 Sep 2002)
read header from bitmap file returns: bitsize, rows, columns
bitmap viewer using isipicture control x. = [parentid [;parentname]] y. = filename(s) e.g. viewbmp jsystempath 'system\examples\data\j.bmp'
view numeric matrix of RGB data (writes bitmap file, then views it) x. = [parent] y. = matrix
write bmp file from RGB data Form: data writebmp filename [;minimum bitsize] picks appropriate bit size of 4 8 or 24, subject to optional minimum bit size.