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20 lines
757 B
Nix
20 lines
757 B
Nix
{ pkgs, lib }:
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let
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# Width of our display.
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max-width = "1920";
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in
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pkgs.stdenv.mkDerivation rec{
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name = "yoda-wallpaper";
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src = "${../assets/img/wallpaper.jpg}";
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nativeBuildInputs = with pkgs; [ imagemagick ];
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phases = "installPhase";
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# magick limit width: https://stackoverflow.com/a/38415211/6334421
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# magick jpg options: quality, progressive, strip metadata. https://stackoverflow.com/a/7262050/6334421
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installPhase = ''
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set -eu -o pipefail
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mkdir -p $out
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${pkgs.imagemagick}/bin/magick $src -resize '${max-width}>' -quality 90% -interlace Plane -strip $out/img.jpg
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${pkgs.imagemagick}/bin/magick $src -resize '${max-width}>' $out/img.png
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'';
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}
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