From d4ebd428534f67190f9b110c8e6fc663ca620893 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.net>
Date: Thu, 28 Mar 2013 16:58:20 +0100
Subject: [PATCH] added setPropertiesFromResource

---
 src/Intervention/Image/Image.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/Intervention/Image/Image.php b/src/Intervention/Image/Image.php
index 4f135891..9581ddf0 100644
--- a/src/Intervention/Image/Image.php
+++ b/src/Intervention/Image/Image.php
@@ -235,6 +235,24 @@ class Image
         $this->original['height'] = $this->height;
     }
 
+    /**
+     * Set image properties from GD image resource
+     *
+     * @param resource $resource
+     */
+    private function setPropertiesFromResource($resource)
+    {
+        if (is_resource($resource)) {
+            $this->resource = $resource;
+            $this->width = imagesx($this->resource);
+            $this->height = imagesy($this->resource);
+            $this->original['width'] = $this->width;
+            $this->original['height'] = $this->height;
+        } else {
+            throw new Exception("setPropertiesFromResource expects parameter to be resource.");
+        }
+    }
+
     /**
      * Set properties for empty image resource
      *