commit 37dc4f17d5b3e309b6f359f23ab7cfae8331f573 · anil.recoil.org/opam-repository

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packages/imagelib/imagelib.20221222/opam
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       synopsis: "Library implementing parsing of image formats such as PNG, BMP, PPM"

     

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       description:

     

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       """

     

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       The imagelib library implements image formats such as PNG, BMP, and PPM in

     

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       OCaml, relying on only one external dependency: 'decompress'.

     

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       Unix-dependent functionality such as reading or writing to files in the

     

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       filesystem are packaged in the `imagelib.unix` findlib module inside this

     

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       OPAM package; to use it you need to include `imagelib.unix` specifically

     

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       in your project's dependencies, for instance `(libraries imagelib.unix)`

     

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       in your Dune file.

     

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       Supported image formats:

     

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        - PNG (full implementation of RFC 2083),

     

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        - PPM, PGM, PBM, ... (fully supported),

     

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        - BMP (read-only)

     

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        - JPG (only image size natively),

     

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        - GIF (only image size natively),

     

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           - There is an experimental native implementation available in the pure `ImageLib` module.

     

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        - XCF (only image size natively),

     

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        - Utility functions for handling unimplemented formats are available in

     

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          the 'imagelib.unix' findlib package and handle conversion from unsupported

     

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          image formats like JPG, GIF, XCF by converting them to PNG using the

     

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          `convert` commandline utility from `imagemagick`.

     

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       As imagelib only requires `decompress`, it is suitable (excluding operations

     

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       requiring the `imagemagick` `convert` binary) for compilation to javascript

     

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       using `js_of_ocaml`, or inclusion in MirageOS unikernels.

     

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       `app/imagetool.ml` contains an example binary that acts as a command-line interface to many of the functions in the library. It will be installed as `imagetool` or `imagetool.exe` if you use **opam** to install the library, and otherwise it will be in `_build/default/app/imagetool.exe`

     

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       """

     

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       opam-version: "2.0"

     

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       maintainer: "rodolphe.lepigre@inria.fr"

     

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       bug-reports: "https://github.com/rlepigre/ocaml-imagelib/issues"

     

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       homepage: "https://github.com/rlepigre/ocaml-imagelib"

     

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       dev-repo: "git+https://github.com/rlepigre/ocaml-imagelib.git"

     

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       authors: [

     

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         "Rodolphe Lepigre <rodolphe.lepigre@inria.fr>"

     

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       ]

     

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       license: "GPL-3.0"

     

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       doc: "https://rlepigre.github.io/ocaml-imagelib"

     

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       depends: [

     

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         "ocaml"        { >= "4.07.0" }

     

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         "base-unix"

     

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         "dune"         { >= "2.3.0"  }

     

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         "decompress"   { >= "1.3.0" }

     

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         "stdlib-shims"

     

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         "alcotest"     { with-test }

     

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       ]

     

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       depopts: [

     

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         "crowbar"        { with-test }

     

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         "afl-persistent" { with-test }

     

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       ]

     

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       build: [

     

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         [ "dune" "build" "-p" name "-j" jobs

     

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             "@install"

     

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             "@runtest" {with-test} ]

     

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       ]

     

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       url {

     

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         src:

     

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           "https://github.com/rlepigre/ocaml-imagelib/releases/download/20221222/imagelib-20221222.tbz"

     

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         checksum: [

     

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           "sha256=050d935711a5a5cead7a6b5e2bce13297a71d0cb47652ca42ff4e328df7118fd"

     

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           "sha512=28dae756945adb1c6a348d5c3e61840af7efb8df16c56bdf09ee4c69231774f169384f822359999ab315cc11634392dc4811ba932479aa1fdb78d25100b6733d"

     

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         ]

     

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       }

     

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       x-commit-hash: "54aa4fc75e9a1c8b6e114a5548d7f94041184f23"