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30 lines
1.1 KiB
SCSS
30 lines
1.1 KiB
SCSS
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// This file is here to emulate the less #contrast function
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// contrast-color and brightness borrowed from compass
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// Copyright (c) 2009-2014 Christopher M. Eppstein
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// Complies with license: https://github.com/Compass/compass/blob/stable/LICENSE.markdown
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@function contrast-color($color, $dark: $contrasted-dark-default, $light: $contrasted-light-default, $threshold: null) {
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@if $threshold {
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// Deprecated in Compass 0.13
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@warn "The $threshold argment to contrast-color is no longer needed and will be removed in the next release.";
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}
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@if $color == null {
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@return null;
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}
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@else {
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$color-brightness: brightness($color);
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$dark-text-brightness: brightness($dark);
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$light-text-brightness: brightness($light);
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@return if(abs($color-brightness - $light-text-brightness) > abs($color-brightness - $dark-text-brightness), $light, $dark);
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}
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}
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@function brightness($color) {
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@if type-of($color) == color {
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@return (red($color) * 0.299 + green($color) * 0.587 + blue($color) * 0.114) / 255 * 100%;
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}
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@else {
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@return unquote("brightness(#{$color})");
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}
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}
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