From cc5baeb412d9ce0d33cbb4a7381c1b121b681a38 Mon Sep 17 00:00:00 2001
From: VoidNoi <voidnoi@proton.me>
Date: Sat, 17 May 2025 02:05:04 +0200
Subject: [PATCH] serenityos-emoji-font: init at 0-unstable-2025-05-31

---
 .../se/serenityos-emoji-font/package.nix      | 112 ++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 pkgs/by-name/se/serenityos-emoji-font/package.nix

diff --git a/pkgs/by-name/se/serenityos-emoji-font/package.nix b/pkgs/by-name/se/serenityos-emoji-font/package.nix
new file mode 100644
index 000000000000..e51ad304a65a
--- /dev/null
+++ b/pkgs/by-name/se/serenityos-emoji-font/package.nix
@@ -0,0 +1,112 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchFromGitHub,
+  fetchzip,
+  python3Packages,
+  fetchpatch2,
+  parallel,
+}:
+let
+
+  pixart2svg = stdenvNoCC.mkDerivation {
+    name = "pixart2svg";
+    version = "0-unstable-2021-07-18";
+
+    src = fetchzip {
+      name = "pixart2svg";
+      url = "https://gist.github.com/m13253/66284bc244deeff0f0f8863c206421c7/archive/f9454958dc0a33cea787cc6fbd7e8e34ba6eb23b.zip";
+      hash = "sha256-lNA3qWK/bnUcMM/jrCGEgaX+HAk/DjKJnkE8niYmBDU=";
+    };
+
+    patches =
+      let
+        urlFor =
+          name:
+          "https://raw.githubusercontent.com/linusg/serenityos-emoji-font/11c84f33777a5d5bbe97ef2ffe8b74af7d72d27f/patches/${name}.patch";
+      in
+      [
+        (fetchpatch2 {
+          url = urlFor "0001-pixart2svg-rgba";
+          extraPrefix = "./";
+          hash = "sha256-/4a6btqp/6yiBnFhr4vI+SWfOopUjzDfOeW1Fs6Z5yU=";
+        })
+        (fetchpatch2 {
+          url = urlFor "0002-pixart2svg-no-style";
+          extraPrefix = "./";
+          hash = "sha256-FVurs+bEOat74d2egl21JS5ywdkFKKIsqXSFGSJI8MI=";
+        })
+        (fetchpatch2 {
+          url = urlFor "0003-pixart2svg-imageio-deprecation-warning";
+          extraPrefix = "./";
+          hash = "sha256-Vo3JIcXof+AtuEbsczNS3CUaBUEncCR0pnIuY4uF7R4=";
+        })
+      ];
+
+    installPhase = ''
+      mkdir -p $out
+      cp ./pixart2svg.py $out
+    '';
+  };
+
+in
+stdenvNoCC.mkDerivation {
+  name = "serenityos-emoji-font";
+  version = "0-unstable-2025-05-31";
+
+  src = fetchFromGitHub {
+    name = "serenity";
+    owner = "SerenityOS";
+    repo = "serenity";
+    rev = "35fd7a6770144259a05d41dfffbc8092495c4bf2";
+    hash = "sha256-i48egESwQKhcEAObSg2zqubgNdkXE5FlNa+Jukvg2X8=";
+  };
+
+  strictDeps = true;
+
+  nativeBuildInputs =
+    [
+      pixart2svg
+      parallel
+    ]
+    ++ (with python3Packages; [
+      imageio
+      nanoemoji
+      numpy
+    ]);
+
+  buildPhase = ''
+    runHook preBuild
+
+    mkdir -p svgfiles
+
+    total=$(ls -1 Base/res/emoji/*.png | wc -l)
+
+    parallel -j$NIX_BUILD_CORES \
+      echo [{#}/$total] Converting {/} \; python3 ${pixart2svg}/pixart2svg.py {} svgfiles/{/.}.svg \
+      ::: Base/res/emoji/*.png;
+
+    nanoemoji --family "SerenityOS Emoji" --output_file "SerenityOS-Emoji.ttf" --color_format glyf_colr_1 svgfiles/*.svg
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/fonts/truetype
+    cp build/SerenityOS-Emoji.ttf $out/share/fonts/truetype
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "SerenityOS pixel art emojis as a TTF";
+    homepage = "https://emoji.serenityos.org/";
+    license = lib.licenses.bsd2;
+    maintainers = with lib.maintainers; [
+      voidnoi
+    ];
+    platforms = lib.platforms.all;
+  };
+}