package zbar

You can search for identifiers within the package.

in-package search v0.2.0

package zbar

zbar
- Zbar
  - Image
  - ImageScanner
  - Symbol
  - Video

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type t

Type of an image scanner (zbar_image_scanner_t *).

type config = [

| `Enable
| `Add_check
| `Emit_check
| `Ascii
| `Num
| `Min_len
| `Max_len
| `Uncertainty
| `Position
| `X_density
| `Y_density

]

Type of the argument for the function set_config.

val create : unit -> t

val destroy : t -> unit

val set_config : t -> Symbol.symbology -> config -> int -> unit

Wrapper to zbar_image_scanner_set_config. Please consult ZBar documentation.

val enable_cache : t -> bool -> unit

enable_cache s b enables caching in s according to the value of b. When caching is enabled, more computing power is used, but the same symbols observed in subsequent frames are only returned once by scan_image.

val scan_image : t -> Image.t -> Symbol.t list

scan_image s i is the list of symbols found in i.