117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php
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/**
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* @brief Template Plugin - Hex to RGB. Takes a CSS hex code and returns an RGB string
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 05 Jan 2016
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*/
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namespace IPS\Output\Plugin;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Template Plugin - hextorgb
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*/
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class _Hextorgb
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{
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/**
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* @brief Can be used when compiling CSS
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*/
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public static $canBeUsedInCss = TRUE;
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/**
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* Run the plug-in. Take #ffffff and returns 255,255,255, for example
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*
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* @param string $data The initial data from the tag
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* @param array $options Array of options
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* @return string Code to eval
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*/
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public static function runPlugin( $data, $options )
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{
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if( $data[0] !== '$' ){
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$data = "'" . $data . "'";
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}
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$opacity = 1;
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if( !empty( $options['opacity'] ) )
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{
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$opacity = $options['opacity'][0] !== '$' ? "'" . $options['opacity'] . "'" : $options['opacity'];
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}
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return "\IPS\Output\Plugin\Hextorgb::convertToRGB({$data}, {$opacity})";
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}
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/**
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* Convert Hex value to RGB
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*
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* @param string $data Hex color code
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* @param string $opacity Opacity (0-1) or Setting/Theme Setting name
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* @return string
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*/
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public static function convertToRGB( $data, $opacity )
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{
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$output = array();
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/* If a theme setting key has been passed in, then use that as the value */
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if ( isset( \IPS\Theme::i()->settings[ $data ] ) )
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{
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$data = \IPS\Theme::i()->settings[ $data ];
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}
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/* If a regular setting key has been passed in, then use that as the value */
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if ( isset( \IPS\Settings::i()->$data ) )
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{
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$data = \IPS\Settings::i()->$data;
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}
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/* If a theme setting key has been passed in, then use that as the opacity */
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if ( isset( \IPS\Theme::i()->settings[ $opacity ] ) )
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{
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$opacity = \IPS\Theme::i()->settings[ $opacity ];
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}
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/* If a regular setting key has been passed in, then use that as the opacity */
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if ( isset( \IPS\Settings::i()->$opacity ) )
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{
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$opacity = \IPS\Settings::i()->$opacity;
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}
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/* Basic validation */
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if( !preg_match( "/^#?[0-9a-fA-F]+$/", $data ) OR ( \strlen( str_replace( '#', '', $data ) ) !== 3 AND \strlen( str_replace( '#', '', $data ) ) !== 6 ) )
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{
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return "htmlspecialchars( '" . $data . "', ENT_QUOTES | ENT_DISALLOWED, 'UTF-8', FALSE )";
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}
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$data = str_replace( '#', '', $data );
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if ( \strlen( $data ) == 3 )
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{
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$output[] = hexdec( \substr( $data, 0, 1 ) . \substr( $data, 0, 1 ) ); // R
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$output[] = hexdec( \substr( $data, 1, 1 ) . \substr( $data, 1, 1 ) ); // G
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$output[] = hexdec( \substr( $data, 2, 1 ) . \substr( $data, 2, 1 ) ); // B
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}
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else
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{
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$output[] = hexdec( \substr( $data, 0, 2 ) ); // R
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$output[] = hexdec( \substr( $data, 2, 2 ) ); // G
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$output[] = hexdec( \substr( $data, 4, 2 ) ); // B
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}
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if( isset( $opacity ) && $opacity !== '1' )
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{
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return "rgba(" . implode( ',', $output ) . "," . \str_replace( ',', '.', $opacity ) . ")";
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}
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else
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{
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return "rgb(" . implode( ',', $output ) . ")";
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}
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}
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} |