removed mods directory from the ATutor codebase

[atutor.git] / mods / wiki / plugins / feature / imgresize_gd.php

diff --git a/mods/wiki/plugins/feature/imgresize_gd.php b/mods/wiki/plugins/feature/imgresize_gd.php
deleted file mode 100644 (file)
index 992b22d..0000000
--- a/mods/wiki/plugins/feature/imgresize_gd.php
+++ /dev/null
@@ -1,126 +0,0 @@
-<?php
-
-#  if someone uploads an image, which is larger than the allowed
-#  image size (EWIKI_IMAGE_MAXSIZE), then this plugin tries to
-#  rescale that image until it fits; it utilizes the PHP libgd
-#  functions to accomplish this
-
-#  NOTE: It is currently disabled for Win32, because nobody knows, if
-#  this will crash the PHP interpreter on those systems.
-
-
-define("EWIKI_IMGRESIZE_WIN", 0);
-
-
-if (!strstr(PHP_VERSION, "-dev") && !(extension_loaded("php_gd2.dll") or extension_loaded("gd.so")) && !function_exists("imagecreate") && function_exists("dl")) {   #-- try to load gd lib
-   @dl("php_gd2.dll") or @dl("gd.so");
-}
-if (function_exists("imagecreate")) {
-   $ewiki_plugins["image_resize"][] = "ewiki_binary_resize_image_gd";
-}
-
-
-function ewiki_binary_resize_image_gd(&$filename, &$mime, $return=0) {
-
-           /*** this disallows Win32 ***/
-   if (    (DIRECTORY_SEPARATOR!="/") && !EWIKI_IMAGERESIZE_WIN
-       || (strpos($mime, "image/")!==0) )
-   { 
-      return(false);
-   }
-
-       if(filesize($filename) < EWIKI_IMAGE_MAXSIZE){
-               return(true);
-       }
-
-   $tmp_rescale = $filename;
-
-   #-- initial rescale
-   $r = EWIKI_IMAGE_MAXSIZE / filesize($tmp_rescale);
-   $r = ($r) + ($r - 1) * ($r - 1);
-
-   #-- read orig image
-   strtok($mime, "/");
-   $type = strtok("/");
-   if (function_exists($pf = "imagecreatefrom$type")) {
-      $orig_image = $pf($filename);
-   }
-   else {
-      return(false);
-   }
-   $orig_x = imagesx($orig_image);
-   $orig_y = imagesy($orig_image);
-
-   #-- change mime from .gif to .png
-   if (($type == "gif") && (false || function_exists("imagepng") && !function_exists("imagegif"))) {
-      $type = "png";
-   }
-
-   #-- retry resizing
-   $loop = 20;
-   while (($loop--) && (filesize($tmp_rescale) > EWIKI_IMAGE_MAXSIZE)) {
-
-      if ($filename == $tmp_rescale) {
-         $tmp_rescale = tempnam(EWIKI_TMP, "ewiki.img_resize_gd.tmp.");
-      }
-
-      #-- sizes
-      $new_x = (int) ($orig_x * $r);
-      $new_y = (int) ($orig_y * $r);
-
-      #-- new gd image
-      $tc = function_exists("imageistruecolor") && imageistruecolor($orig_image);
-      if (!$tc || ($type == "gif")) {
-         $new_image = imagecreate($new_x, $new_y);
-         imagepalettecopy($new_image, $orig_image);
-      }
-      else {
-         $new_image = imagecreatetruecolor($new_x, $new_y);
-      }
-
-      #-- resize action
-      imagecopyresized($new_image, $orig_image, 0,0, 0,0, $new_x,$new_y, $orig_x,$orig_y);
-
-      #-- special things
-      if ( ($type == "png") && function_exists("imagesavealpha") ) {
-         imagesavealpha($new_image, 1);
-      }
-
-      #-- save
-      if (function_exists($pf = "image$type")) {
-         $pf($new_image, $tmp_rescale);
-      }
-      else {
-         return(false);   # cannot save in orig format (.gif)
-      }
-
-      #-- prepare next run
-      imagedestroy($new_image);
-      clearstatcache();
-      $r *= 0.95;
-   }
-
-   #-- stop
-   imagedestroy($orig_image);
-
-   #-- security check filesizes, abort
-   if (!filesize($filename) || !filesize($tmp_rescale) || (filesize($tmp_rescale) > EWIKI_IMAGE_MAXSIZE)) {
-      unlink($tmp_rescale);
-      return($false);
-   }
-
-   #-- set $mime, as it may have changed (.gif)
-   $mime = strtok($mime, "/") . "/" . $type;
-   if (!strstr($filename, ".$type")) {
-      unlink($filename);
-      $filename .= ".$type";
-   }
-
-   #-- move tmp file to old name
-   copy($tmp_rescale, $filename);
-   unlink($tmp_rescale);
-   return(true);
-
-}
-
-?>
\ No newline at end of file