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