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87b6c253b5
For a full list of changes since beta 1, see 9e34dca...e580895.
Props poena, melchoyce, luminuu, aristath, justinahinon, jffng, ryelle, kishanjasani, rolfsiebers.
See #51526.
Built from https://develop.svn.wordpress.org/trunk@49320
git-svn-id: http://core.svn.wordpress.org/trunk@49081 1a063a9b-81f0-0310-95a4-ce76da25c4cd
68 lines
2.5 KiB
JavaScript
68 lines
2.5 KiB
JavaScript
( function( api ) {
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/**
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* Get luminance from a HEX color.
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*
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* @param {string} hex - The hex color.
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*
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* @return {number} - Returns the luminance, number between 0 and 255.
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*/
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function twentytwentyoneGetHexLum( hex ) {
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var rgb = twentytwentyoneGetRgbFromHex( hex );
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return Math.round( ( 0.2126 * rgb.r ) + ( 0.7152 * rgb.g ) + ( 0.0722 * rgb.b ) );
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}
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/**
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* Get RGB from HEX.
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*
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* @param {string} hex - The hex color.
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*
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* @return {Object} - Returns an object {r, g, b}
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*/
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function twentytwentyoneGetRgbFromHex( hex ) {
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var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i,
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result;
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// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF").
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hex = hex.replace( shorthandRegex, function( m, r, g, b ) {
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return r.toString() + r.toString() + g.toString() + g.toString() + b.toString() + b.toString();
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} );
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result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec( hex );
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return result ? {
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r: parseInt( result[1], 16 ),
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g: parseInt( result[2], 16 ),
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b: parseInt( result[3], 16 )
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} : null;
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}
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// Add listener for the "background_color" control.
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api( 'background_color', function( value ) {
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value.bind( function( to ) {
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var lum = twentytwentyoneGetHexLum( to ),
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isDark = 127 > lum,
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textColor = ! isDark ? 'var(--global--color-dark-gray)' : 'var(--global--color-light-gray)',
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tableColor = ! isDark ? 'var(--global--color-light-gray)' : 'var(--global--color-dark-gray)';
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// Modify the body class depending on whether this is a dark background or not.
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if ( isDark ) {
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if ( ! document.body.classList.contains( 'has-background-dark' ) ) {
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document.body.classList.add( 'has-background-dark' );
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}
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} else {
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document.body.classList.remove( 'has-background-dark' );
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}
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document.documentElement.style.setProperty( '--global--color-primary', textColor );
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document.documentElement.style.setProperty( '--global--color-secondary', textColor );
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document.documentElement.style.setProperty( '--global--color-background', to );
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document.documentElement.style.setProperty( '--button--color-background', textColor );
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document.documentElement.style.setProperty( '--button--color-text', to );
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document.documentElement.style.setProperty( '--button--color-text-hover', textColor );
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document.documentElement.style.setProperty( '--table--stripes-border-color', tableColor );
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document.documentElement.style.setProperty( '--table--stripes-background-color', tableColor );
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} );
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} );
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}( wp.customize, _ ) );
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