Merge branch 'tcitworld-ebook' into dev

1 files changed, 40 insertions, 0 deletions

diff --git a/inc/3rdparty/libraries/MOBIClass/ImageHandler.php b/inc/3rdparty/libraries/MOBIClass/ImageHandler.php
new file mode 100644
index 00000000..bcb48e9f
--- /dev/null
+++ b/inc/3rdparty/libraries/MOBIClass/ImageHandler.php
@@ -0,0 +1,40 @@
+<?php
+
+class ImageHandler {
+        /**
+         * Download an image
+         * @param string $url Url to the image
+         * @return false|string False if failed, else the data of the image (converted to grayscale jpeg)
+         */
+        public static function DownloadImage($url){
+                $data = Http::Request($url);
+                $imgFile = @imagecreatefromstring($data);
+                
+                if($imgFile !== false){
+                        $result = self::CreateImage($imgFile);
+                        imagedestroy($imgFile);
+                        return $result;
+                }
+                return false;
+        }
+        /**
+         * Create an image
+         * @param resource $img Create an image created with createimagetruecolor
+         * @return false|string False if failed, else the data of the image (converted to grayscale jpeg)
+         */
+        public static function CreateImage($img){
+                try{
+                        imagefilter($img, IMG_FILTER_GRAYSCALE);
+        
+                        ob_start();
+                        imagejpeg($img);
+                        $image = ob_get_contents();
+                        ob_end_clean();
+                        
+                        return $image;
+                }catch(Exception $e){
+                        return false;
+                }
+        }
+}
+?>