ocaml/otherlibs/labltk/builtin/builtini_GetPixel.ml

18 lines
680 B
OCaml

let cCAMLtoTKunits : units -> tkArgs = function
| `Pix (foo) -> TkToken (string_of_int foo)
| `Mm (foo) -> TkToken(string_of_float foo^"m")
| `In (foo) -> TkToken(string_of_float foo^"i")
| `Pt (foo) -> TkToken(string_of_float foo^"p")
| `Cm (foo) -> TkToken(string_of_float foo^"c")
let cTKtoCAMLunits str =
let len = String.length str in
let num_part str = String.sub str pos:0 len:(len - 1) in
match String.get str (pred len) with
| 'c' -> `Cm (float_of_string (num_part str))
| 'i' -> `In (float_of_string (num_part str))
| 'm' -> `Mm (float_of_string (num_part str))
| 'p' -> `Pt (float_of_string (num_part str))
| _ -> `Pix(int_of_string str)