PHP code example of aristath / ari-color

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

aristath / ari-color example snippets

$color = ariColor::newColor( '#049CBE', 'hex' );

function my_custom_color_function( $color = '#ffffff' ) {
	return ariColor::newColor( $color, 'auto' );
}

$color = my_custom_color_function( '#049CBE' );

// Get red value:
$red = $color->red;
// Get green value:
$green = $color->green;
// Get blue value
$blue = $color->blue;

// Get hue
$hue = $color->hue;
// Get saturation
$saturation = $color->saturation;
// Get lightness
$lightness = $color->lightness;
// Get luminance
$luminance = $color->luminance;

/**
 * determine the luminance of the given color
 * and then return #FFFFFF or #222222 so that our text is always readable
 * 
 * @param $background color string|array
 *
 * @return string (hex color)
 */
function custom_get_readable_color( $background_color = '#FFFFFF' ) {
	$color = ariColor::newColor( $background_color );
	return ( 127 < $color->luminance ) ? '#222222' : '#FFFFFF';
}

$text_color = custom_get_readable_color( get_theme_mod( 'bg_color', '#ffffff' ) );

function my_theme_get_semitransparent_color( $color ) {
	// Create the color object
	$color_obj = ariColor::newColor( $color );
	// Set alpha (opacity) to 0.7
	$color_obj->alpha = 0.7;
	// return a CSS-formated rgba color
	return $color_obj->toCSS( 'rgba' );
}

function my_theme_get_semitransparent_color( $color ) {
	$color_obj = ariColor::newColor( $color );
	return $color_obj->getNew( 'alpha', .7 )->toCSS( 'rgba' );
}

function my_theme_get_semitransparent_color( $color ) {
	$color_obj = ariColor::newColor( $color );
	$color_new = ariColor::newColor( 'rgba(' . $color_obj->red . ',' . $color_obj->green . ',' . $color_obj->blue . ',0.7)', 'rgba' );
	return $color_new->->toCSS( 'rgba' );
}

$color = ariColor::newColor( 'rgba(0, 33, 176, .62)' );

'black'
'darkmagenta'
'#000'
'#000000'
'rgb(0, 0, 0)'
'rgba(0, 0, 0, 1)'
'hsl(0, 0%, 0%)'
'hsla(0, 0%, 0%, 1)'
array( 'rgba' => 'rgba(0,0,0,1)' )
array( 'color' => '#000000' )
array( 'color' => '#000000', 'alpha' => 1 )
array( 'color' => '#000000', 'opacity' => '1' )
array( 0, 0, 0, 1 )
array( 0, 0, 0 )
array( 'r' => 0, 'g' => '0', 'b' => 0 )
array( 'r' => 0, 'g' => '0', 'b' => 0, 'a' => 1 )
array( 'red' => 0, 'green' => 0, 'blue' => 0 )
array( 'red' => 0, 'green' => 0, 'blue' => 0, 'alpha' => 1 )
array( 'red' => 0, 'green' => 0, 'blue' => 0, 'opacity' => 1 )

// Create a new object using rgba as our original color
$color = ariColor::newColor( 'rgba(0, 33, 176, .62)' );
// Darken the color by 10%
$dark = $color->getNew( 'lightness', $color->lightness - 10 );
// return HEX color
return $dark->toCSS( 'hex' );

$color = ariColor::newColor( 'rgba(0, 33, 176, .62)' );
return $color->getNew( 'lightness', $color->lightness - 10 )->toCSS( 'hex' )

// Create a new color object using an HSL color as source
$color = ariColor::newColor( 'hsl(200, 33%, 82%)' );
// I don't like green, color, let's remove any traces of green from that color
$new_color = $color->getNew( 'green', 0 );

// Create our instance
$color = ariColor::newColor( 'hsl(200, 33%, 82%)' );
// Get HEX color
$hex = $color->toCSS( 'hex' );
// Get RGB color
$rgb = $color->toCSS( 'rgb' );
// Get RGBA color
$rgba = $color->toCSS( 'rgba' );
// Get HSL color
$hsl = $color->toCSS( 'hsl' );
// Get HSLA color
$hsla = $color->toCSS( 'hsla' );

/**
 * Sanitizes a CSS color.
 * 
 * @param $color  string   accepts all CSS-valid color formats
 * @return        string   the sanitized color
 */
function custom_color_sanitize( $color = '' ) {
	// If empty, return empty
	if ( '' == $color ) {
		return '';
	}
	// If transparent, return 'transparent'
	if ( is_string( $color ) && 'transparent' == trim( $color ) ) {
		return 'transparent';
	}
	// Instantiate the object
	$color_obj = ariColor::newColor( $color );
	// Return a CSS value, using the auto-detected mode
	return $color_obj->toCSS( $color_obj->mode );
}