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Here is an example on how to obscure email addresse (or other tekst) using http://drupal.org/project/signwriter in a formatter. You can use it on the cck field overview as a formatter (or in display suite).
<?php
//cck formatters
/**
* Implementation of hook_field_formatter_info(),.
*/
function your_module_field_formatter_info() {
return array(
'text_as_image' => array(
'label' => t('Text as image'),
'field types' => array('email', 'text'),
'multiple values' => CONTENT_HANDLE_MODULE,
),
);
}
/**
* Implementation of hook_theme().
*/
function your_module_theme() {
$theme_functions['your_module_formatter_text_as_image'] = array (
'arguments' => array('element' => NULL),
);
return $theme_functions;
}
/**
* Themes an image from text
*/
function theme_your_module_formatter_text_as_image($element) {
// Set up signwriter profile
$profile->fontfile = drupal_get_path('module', 'signwriter'). '/Arial.TTF';//See this issue why its like this (http://drupal.org/node/606670)
$profile->fontsize = 10;
$profile->foreground = '000000';
$profile->background = 'ffffff';
$profile->maxwidth = 600;
$profile->transparent = true;
$profile->imagetype = 'png';
$profile->disable_span = true;
$string_to_obscure = $element[0]['#item']['safe'];
$text= signwriter_title_convert($string_to_obscure, $profile);
//Some extra logic if it is an email
$output = preg_replace('/alt="[0-9a-zA-Z!@#\$%^&\*~\-\.\+\_\/=\?\|\{\}}]+"/','alt="Email Address"',$text);
return $output;
}
?>The code in the formatter is taken from this example http://dominiquedecooman.com/bookmark/obscure-email-adresses-drupal-usin...
Submitted by Dominique De Cooman on Wed, 2010-08-11 14:19
