From 43454eba363997d44815a90264ca072f1d014f21 Mon Sep 17 00:00:00 2001
From: Ian Denhardt <ian@zenhack.net>
Date: Thu, 5 Aug 2010 13:11:34 -0400
Subject: got uploads sortof working - database portion doesn't work though.

---
 plugins/GNUsocialPhotos/lib/photolib.php | 87 ++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 plugins/GNUsocialPhotos/lib/photolib.php

(limited to 'plugins/GNUsocialPhotos/lib')

diff --git a/plugins/GNUsocialPhotos/lib/photolib.php b/plugins/GNUsocialPhotos/lib/photolib.php
new file mode 100644
index 000000000..9e5ff61fa
--- /dev/null
+++ b/plugins/GNUsocialPhotos/lib/photolib.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * GNU Social
+ * Copyright (C) 2010, Free Software Foundation, Inc.
+ *
+ * PHP version 5
+ *
+ * LICENCE:
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Widget
+ * @package   GNU Social
+ * @author    Ian Denhardt <ian@zenhack.net>
+ * @copyright 2010 Free Software Foundation, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ */
+
+
+function photo_make_thumbnail($filename)
+{
+    $height_dest = 192;
+    $width_dest = 256;
+
+    $size_src = getimagesize(INSTALLDIR . '/file/' . $filename);
+    $image_type = $size_src[2];
+    
+    switch($image_type) {
+    case IMAGETYPE_JPEG:
+        $image_src = imagecreatefromjpeg(INSTALLDIR . '/file/' . $filename);
+        break;
+    case IMAGETYPE_PNG:
+        $image_src = imagecreatefrompng(INSTALLDIR . '/file/' . $filename);
+        break;
+    case IMAGETYPE_GIF:
+        $image_src = imagecreatefromgif(INSTALLDIR . '/file/' . $filename);
+        break;
+    default:
+        return false;
+    } 
+
+    $width_src = $size_src[0];
+    $height_src = $size_src[1];
+
+    $ratio_src = (float) $width_src / (float) $height_src;
+    $ratio_dest = (float) $width_dest / (float) $height_dest;
+
+    if ($ratio_src > $ratio_dest) {
+        $height_crop = $height_src;
+        $width_crop = (int)($height_crop * $ratio_dest);
+        $x_crop = ($width_src - $width_crop) / 2;
+    } else {
+        $width_crop = $width_src;
+        $height_crop = (int)($width_crop / $ratio_dest);
+        $x_crop = 0;
+    }
+    
+    $image_dest = imagecreatetruecolor($width_dest, $height_dest);
+    
+    imagecopyresampled($image_dest, $image_src, 0, 0, $x_crop, 0, $width_dest, $height_dest, $width_crop, $height_crop);
+    switch ($image_type) {
+    case IMAGETYPE_JPEG:
+        imagejpeg($image_dest, INSTALLDIR . '/file/' . 'thumb.' . $filename, 100);
+        break;
+    case IMAGETYPE_PNG:
+        imagepng($image_dest, INSTALLDIR . '/file/thumb.' . $filename);
+        break;
+    case IMAGETYPE_GIF:
+        imagegif($image_dest, INSTALLDIR . '/file/thumb.' . $filename);
+        break;
+    }
+        
+    imagedestroy($image_src);
+    imagedestroy($image_dest);
+
+    return true;
+}
-- 
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