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[quix0rs-gnu-social.git] / classes / Avatar.php

diff --git a/classes/Avatar.php b/classes/Avatar.php
index 3c754ec2d52385907372e512ee31afa07a077e3a..9ae920647adfbae0c7ce6e767eca7fa7ec243c91 100644 (file)
--- a/classes/Avatar.php
+++ b/classes/Avatar.php
@@ -79,7 +79,47 @@ class Avatar extends Memcached_DataObject
         }
     }
 
-    function to_image()
+    function scale_and_crop($size, $x, $y, $w, $h) 
+    {
+
+        $image_s = imagecreatetruecolor($size, $size);
+        $image_a = $this->to_image();
+
+        # Retain alpha channel info if possible for .pngs
+        $background = imagecolorallocate($image_s, 0, 0, 0);
+        ImageColorTransparent($image_s, $background);
+        imagealphablending($image_s, false);
+
+        imagecopyresized($image_s, $image_a, 0, 0, $x, $y, $size, $size, $w, $h);
+
+        $ext = ($this->mediattype == 'image/jpeg') ? ".jpeg" : ".png";
+
+        $filename = common_avatar_filename($this->profile_id, $ext, $size, common_timestamp());
+
+        if ($this->mediatype == 'image/jpeg') {
+            imagejpeg($image_s, common_avatar_path($filename));
+        } else {
+            imagepng($image_s, common_avatar_path($filename));
+        }
+
+        $cropped = DB_DataObject::factory('avatar');
+        $cropped->profile_id = $this->profile_id;
+        $cropped->width = $size;
+        $cropped->height = $size;
+        $cropped->original = false;
+        $cropped->mediatype = ($this->mediattype == 'image/jpeg') ? 'image/jpeg' : 'image/png';
+        $cropped->filename = $filename;
+        $cropped->url = common_avatar_url($filename);
+        $cropped->created = DB_DataObject_Cast::dateTime(); # current time
+
+        if ($cropped->insert()) {
+            return $cropped;
+        } else {
+            return NULL;
+        }
+    }
+
+    function to_image() 
     {
         $filepath = common_avatar_path($this->filename);
         if ($this->mediatype == 'image/gif') {
@@ -89,12 +129,13 @@ class Avatar extends Memcached_DataObject
         } else if ($this->mediatype == 'image/png') {
             return imagecreatefrompng($filepath);
         } else {
-            return null;
+            return NULL;
         }
     }
     
-    function &pkeyGet($kv)
+    function &pkeyGet($kv) 
     {
         return Memcached_DataObject::pkeyGet('Avatar', $kv);
     }
+
 }