Initial repo created

[timetracker.git] / WEB-INF / lib / smarty / plugins / function.html_image.php

diff --git a/WEB-INF/lib/smarty/plugins/function.html_image.php b/WEB-INF/lib/smarty/plugins/function.html_image.php
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+<?php
+/**
+ * Smarty plugin
+ * 
+ * @package Smarty
+ * @subpackage PluginsFunction
+ */
+
+/**
+ * Smarty {html_image} function plugin
+ * 
+ * Type:     function<br>
+ * Name:     html_image<br>
+ * Date:     Feb 24, 2003<br>
+ * Purpose:  format HTML tags for the image<br>
+ * Examples: {html_image file="/images/masthead.gif"}
+ * Output:   <img src="/images/masthead.gif" width=400 height=23>
+ * 
+ * @link http://smarty.php.net/manual/en/language.function.html.image.php {html_image}
+ *      (Smarty online manual)
+ * @author Monte Ohrt <monte at ohrt dot com> 
+ * @author credits to Duda <duda@big.hu> 
+ * @version 1.0
+ * @param array $params parameters
+ * Input:<br>
+ *          - file = file (and path) of image (required)
+ *          - height = image height (optional, default actual height)
+ *          - width = image width (optional, default actual width)
+ *          - basedir = base directory for absolute paths, default
+ *                      is environment variable DOCUMENT_ROOT
+ *          - path_prefix = prefix for path output (optional, default empty)
+ * @param object $template template object
+ * @return string 
+ * @uses smarty_function_escape_special_chars()
+ */
+function smarty_function_html_image($params, $template)
+{
+    require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
+ 
+    $alt = '';
+    $file = '';
+    $height = '';
+    $width = '';
+    $extra = '';
+    $prefix = '';
+    $suffix = '';
+    $path_prefix = '';
+    $server_vars = $_SERVER;
+    $basedir = isset($server_vars['DOCUMENT_ROOT']) ? $server_vars['DOCUMENT_ROOT'] : '';
+    foreach($params as $_key => $_val) {
+        switch ($_key) {
+            case 'file':
+            case 'height':
+            case 'width':
+            case 'dpi':
+            case 'path_prefix':
+            case 'basedir':
+                $$_key = $_val;
+                break;
+
+            case 'alt':
+                if (!is_array($_val)) {
+                    $$_key = smarty_function_escape_special_chars($_val);
+                } else {
+                    throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
+                } 
+                break;
+
+            case 'link':
+            case 'href':
+                $prefix = '<a href="' . $_val . '">';
+                $suffix = '</a>';
+                break;
+
+            default:
+                if (!is_array($_val)) {
+                    $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
+                } else {
+                    throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
+                } 
+                break;
+        } 
+    } 
+
+    if (empty($file)) {
+        trigger_error("html_image: missing 'file' parameter", E_USER_NOTICE);
+        return;
+    } 
+
+    if (substr($file, 0, 1) == '/') {
+        $_image_path = $basedir . $file;
+    } else {
+        $_image_path = $file;
+    } 
+
+    if (!isset($params['width']) || !isset($params['height'])) {
+        if (!$_image_data = @getimagesize($_image_path)) {
+            if (!file_exists($_image_path)) {
+                trigger_error("html_image: unable to find '$_image_path'", E_USER_NOTICE);
+                return;
+            } else if (!is_readable($_image_path)) {
+                trigger_error("html_image: unable to read '$_image_path'", E_USER_NOTICE);
+                return;
+            } else {
+                trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_NOTICE);
+                return;
+            } 
+        } 
+        if (isset($template->security_policy)) {
+            if (!$template->security_policy->isTrustedResourceDir($_image_path)) {
+                return;
+            } 
+        } 
+
+        if (!isset($params['width'])) {
+            $width = $_image_data[0];
+        } 
+        if (!isset($params['height'])) {
+            $height = $_image_data[1];
+        } 
+    } 
+
+    if (isset($params['dpi'])) {
+        if (strstr($server_vars['HTTP_USER_AGENT'], 'Mac')) {
+            $dpi_default = 72;
+        } else {
+            $dpi_default = 96;
+        } 
+        $_resize = $dpi_default / $params['dpi'];
+        $width = round($width * $_resize);
+        $height = round($height * $_resize);
+    } 
+
+    return $prefix . '<img src="' . $path_prefix . $file . '" alt="' . $alt . '" width="' . $width . '" height="' . $height . '"' . $extra . ' />' . $suffix;
+} 
+
+?>
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