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65 lines
1.8 KiB
65 lines
1.8 KiB
{ stdenv, lib, fetchurl, ocaml, findlib, ocamlbuild, topkg
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, uchar, result, gg, uutf, otfm
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, js_of_ocaml, js_of_ocaml-ppx,
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pdfBackend ? true, # depends on uutf and otfm
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htmlcBackend ? true # depends on js_of_ocaml
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}:
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with lib;
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let
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inherit (lib) optionals versionOlder;
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pname = "vg";
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version = "0.9.4";
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webpage = "https://erratique.ch/software/${pname}";
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in
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if versionOlder ocaml.version "4.03"
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then throw "vg is not available for OCaml ${ocaml.version}"
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else
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stdenv.mkDerivation {
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name = "ocaml${ocaml.version}-${pname}-${version}";
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src = fetchurl {
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url = "${webpage}/releases/${pname}-${version}.tbz";
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sha256 = "181sz6l5xrj5jvwg4m2yqsjzwp2s5h8v0mwhjcwbam90kdfx2nak";
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};
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nativeBuildInputs = [ ocaml findlib ocamlbuild ];
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buildInputs = [ topkg ];
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propagatedBuildInputs = [ uchar result gg ]
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++ optionals pdfBackend [ uutf otfm ]
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++ optionals htmlcBackend [ js_of_ocaml js_of_ocaml-ppx ];
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strictDeps = true;
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buildPhase = topkg.buildPhase
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+ " --with-uutf ${boolToString pdfBackend}"
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+ " --with-otfm ${boolToString pdfBackend}"
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+ " --with-js_of_ocaml ${boolToString htmlcBackend}"
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+ " --with-cairo2 false";
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inherit (topkg) installPhase;
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meta = {
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description = "Declarative 2D vector graphics for OCaml";
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longDescription = ''
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Vg is an OCaml module for declarative 2D vector graphics. In Vg, images
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are values that denote functions mapping points of the cartesian plane
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to colors. The module provides combinators to define and compose these
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values.
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Renderers for PDF, SVG and the HTML canvas are distributed with the
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module. An API allows to implement new renderers.
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'';
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homepage = webpage;
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license = licenses.isc;
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maintainers = [ maintainers.jirkamarsik ];
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mainProgram = "vecho";
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inherit (ocaml.meta) platforms;
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};
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}
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