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29 lines
867 B
Sass
29 lines
867 B
Sass
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@function powerNumber($number, $exp)
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$value: 1
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@if $exp > 0
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@for $i from 1 through $exp
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$value: $value * $number
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@else if $exp < 0
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@for $i from 1 through -$exp
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$value: $value / $number
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@return $value
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@function colorLuminance($color)
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$color-rgb: ('red': red($color),'green': green($color),'blue': blue($color))
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@each $name, $value in $color-rgb
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$adjusted: 0
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$value: $value / 255
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@if $value < 0.03928
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$value: $value / 12.92
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@else
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$value: ($value + .055) / 1.055
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$value: powerNumber($value, 2)
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$color-rgb: map-merge($color-rgb, ($name: $value))
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@return (map-get($color-rgb, 'red') * .2126) + (map-get($color-rgb, 'green') * .7152) + (map-get($color-rgb, 'blue') * .0722)
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@function findColorInvert($color)
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@if (colorLuminance($color) > 0.55)
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@return rgba(#000, 0.7)
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@else
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@return #fff
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