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62 lines
2.3 KiB
Sass
62 lines
2.3 KiB
Sass
@function mergeColorMaps($bulma-colors, $custom-colors)
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// we return at least bulma hardcoded colors
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$merged-colors: $bulma-colors
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// we want a map as input
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@if type-of($custom-colors) == 'map'
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@each $name, $components in $custom-colors
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// color name should be a string and colors pair a list with at least one element
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@if type-of($name) == 'string' and (type-of($components) == 'list' or type-of($components) == 'color') and length($components) >= 1
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$color-base: null
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// the param can either be a single color
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// or a list of 2 colors
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@if type-of($components) == 'color'
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$color-base: $components
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@else if type-of($components) == 'list'
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$color-base: nth($components, 1)
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$color-invert: null
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// is an inverted color provided in the list
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@if length($components) > 1
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$color-invert: nth($components, 2)
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// we only want a color as base color
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@if type-of($color-base) == 'color'
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// if inverted color is not provided or is not a color we compute it
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@if type-of($color-invert) != 'color'
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$color-invert: findColorInvert($color-base)
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// we merge this colors elements as map with bulma colors (we can override them this way, no multiple definition for the same name)
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$merged-colors: map_merge($merged-colors, ($name: ($color-base, $color-invert)))
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@return $merged-colors
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@function powerNumber($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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