Add wysiwyg_image_auto_resize_max conf setting - refs BT#22708

Automatic image resize before upload image with CKEditor

Author: AngelFQC

main/inc/ajax/document.ajax.php

@@ -6,6 +6,7 @@
  */
 
 use Chamilo\CoreBundle\Component\Editor\Driver\Driver;
+use Chamilo\CoreBundle\Component\Editor\Driver\PersonalDriver;
 
 require_once __DIR__.'/../global.inc.php';
 
@@ -225,6 +226,42 @@
             exit;
         }
 
+        $resizeMax = api_get_configuration_value('wysiwyg_image_auto_resize_max');
+
+        if (is_array($resizeMax)) {
+            if ($fileUpload['size'] > ($resizeMax['mb'] * 1024 * 1024)) {
+                echo json_encode([
+                    'uploaded' => 0,
+                    'error' => [
+                        'message' => get_lang('UplFileTooBig'),
+                    ]
+                ]);
+
+                exit;
+            }
+
+            $temp = new Image($fileUpload['tmp_name']);
+            $pictureInfo = $temp->get_image_info();
+
+            $thumbSize = 0;
+
+            if ($pictureInfo['width'] > $pictureInfo['height']) {
+                if ($pictureInfo['width'] > $resizeMax['w']) {
+                    $thumbSize = $resizeMax['w'];
+                }
+            } else {
+                if ($pictureInfo['height'] > $resizeMax['h']) {
+                    $thumbSize = $resizeMax['h'];
+                }
+            }
+
+            if ($thumbSize) {
+                $temp->resize($thumbSize);
+                $temp->send_image($fileUpload['tmp_name']);
+                $fileUpload['size'] = filesize($fileUpload['tmp_name']);
+            }
+        }
+
         $isAllowedToEdit = api_is_allowed_to_edit(null, true);
         if ($isAllowedToEdit) {
             $globalFile = ['files' => $fileUpload];

main/install/configuration.dist.php

@@ -2296,6 +2296,13 @@
 // Enable image upload as file when doing a copy in the content or a drag and drop.
 //$_configuration['enable_uploadimage_editor'] = false;
 
+// Automatic image resize before upload image with CKEditor
+/*$_configuration['wysiwyg_image_auto_resize_max'] = [
+    'w'=> 800, //max width
+    'h' => 600, //max height
+    'mb' => 2 //max size (in MB)
+];*/
+
 // Ckeditor settings.
 //$_configuration['editor_settings'] = ['config' => ['youtube_responsive' => true, 'image_responsive' => true]];