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46 lines
1.3 KiB
Nix
46 lines
1.3 KiB
Nix
{ pkgs, lib }:
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let
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isBaseX = i: palette:
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let
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paletteNames = pkgs.lib.attrNames palette;
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maxDigitLength = pkgs.lib.lists.length (pkgs.lib.toBaseDigits 10 i);
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mkBaseAttr = hex: "base${lib.hex.pad maxDigitLength hex}";
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schemeNames = builtins.map mkBaseAttr (lib.hex.range 0 (i - 1));
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in
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(pkgs.lib.count (name: pkgs.lib.elem name schemeNames) paletteNames) == i;
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in
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{
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# TODO: Return a Nix object to generate a Tinted Theming color scheme from an
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# image.
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generateScheme = image: { };
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/* A very naive implementation of checking whether the given palette is a
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valid Base16 palette. It simply checks if `base00` to `base0F` is present.
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Type: isBase16 :: Attrs -> Bool
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Example:
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isBase16 (bahaghariLib.importYAML ./base16.yml).palette
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=> true
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isBase16 (bahaghariLib.importYAML ./base16-scheme-with-missing-base0F.yml).palette
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=> false
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*/
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isBase16 = isBaseX 16;
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/* Similar to `isBase16` but for Base24 schemes. It considers the scheme as
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valid if `base00` to `base17` from the palette are present.
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Type: isBase24 :: Attrs -> Bool
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Example:
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isBase24 (bahaghariLib.importYAML ./base24.yml).palette
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=> true
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isBase24 (bahaghariLib.importYAML ./base24-scheme-with-missing-base0F.yml).palette
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=> false
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*/
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isBase24 = isBaseX 24;
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}
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