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Add function to allow Smarty to retrieve image dimensions

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This commit is contained in:
Jude Anthony 2008-03-19 11:32:13 +00:00
parent 256e41c9f0
commit efd63e33f6
1 changed files with 41 additions and 0 deletions
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41
include/functions_smarty.inc.php
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@ -755,6 +755,46 @@ function &serendipity_smarty_printTrackbacks($params, &$smarty) {
return $out;
}
/**
* Get the Serendipity dimensions for an image
*
* @access public
* @param array Smarty parameter input array:
* file: The image file to get image data for
* assign: The variable to assign the image data array to
* @param object Smarty object
* @return string Empty
*/
function serendipity_smarty_getImageSize($params, &$smarty) {
global $serendipity;
if (!isset($params['file'])) {
$smarty->trigger_error(__FUNCTION__ .": missing 'file' parameter");
return;
}
if (!isset($params['assign'])) {
$smarty->trigger_error(__FUNCTION__ .": missing 'assign' parameter");
return;
}
// Is it a correct filesystem absolute path?
$file = $params['file'];
// Most likely the user specified an HTTP path
if (!file_exists($file)) {
$file = $_SERVER['DOCUMENT_ROOT'] . $file;
}
// Maybe wants a template file (returns filesystem path)
if (!file_exists($file)) {
$file = serendipity_getTemplateFile($params['file']);
}
// If no file, trigger an error
if (!file_exists($file)) {
$smarty->trigger_error(__FUNCTION__ .': file ' . $params['file'] . 'not found ');
return;
}
$smarty->assign($params['assign'], serendipity_getimagesize($file));
}
/**
* Smarty Prefilter: Replace constants to direkt $smarty.const. access
*
@ -847,6 +887,7 @@ function serendipity_smarty_init($vars = array()) {
$serendipity['smarty']->register_function('serendipity_getTotalCount', 'serendipity_smarty_getTotalCount');
$serendipity['smarty']->register_function('pickKey', 'serendipity_smarty_pickKey');
$serendipity['smarty']->register_function('serendipity_showCommentForm', 'serendipity_smarty_showCommentForm');
$serendipity['smarty']->register_function('serendipity_getImageSize', 'serendipity_smarty_getImageSize');
$serendipity['smarty']->register_prefilter('serendipity_replaceSmartyVars');
}