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32 lines
715 B
Ruby
32 lines
715 B
Ruby
# Simple hex conversion Liquid filter plugin
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#
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# Convert a string of hex values into an array of decimal values.
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#
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# Examples:
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# {{ "aabbcc" | hex_to_rgb }}
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# # => [170, 187, 204]
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#
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# {{ "abc" | hex_to_rgb }}
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# # => [170, 187, 204]
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#
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# {{ "0a0b0c" | hex_to_rgb }}
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# # => [10, 11, 12]
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#
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# hexval - string of valid hexidecimal characters
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#
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# Returns an array of decimal values for the parse hex characters
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#
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module Jekyll
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module HexToRGB
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def hex_to_rgb(hexval)
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if hexval.length.even?
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hexval.scan(/../).map {|color| color.to_i(16)}
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else
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hexval.scan(/./).map {|color| (color+color).to_i(16)}
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end
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end
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end
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end
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Liquid::Template.register_filter(Jekyll::HexToRGB)
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