initial commit for gallery app

1 files changed, 62 insertions, 0 deletions

diff --git a/apps/gallery/ajax/cover.php b/apps/gallery/ajax/cover.php
new file mode 100644
index 00000000000..33d913c60ac
--- /dev/null
+++ b/apps/gallery/ajax/cover.php
@@ -0,0 +1,62 @@
+<?
+require_once('../../../lib/base.php');
+
+function CroppedThumbnail($imgSrc,$thumbnail_width,$thumbnail_height) { //$imgSrc is a FILE - Returns an image resource.
+    //getting the image dimensions  
+    list($width_orig, $height_orig) = getimagesize($imgSrc);   
+    switch (strtolower(substr($imgSrc, strrpos($imgSrc, '.')+1))) {
+      case "jpeg":
+      case "jpg":
+        $myImage = imagecreatefromjpeg($imgSrc);
+        break;
+      default:
+        exit();
+    }
+    $ratio_orig = $width_orig/$height_orig;
+    
+    if ($thumbnail_width/$thumbnail_height > $ratio_orig) {
+       $new_height = $thumbnail_width/$ratio_orig;
+       $new_width = $thumbnail_width;
+    } else {
+       $new_width = $thumbnail_height*$ratio_orig;
+       $new_height = $thumbnail_height;
+    }
+    
+    $x_mid = $new_width/2;  //horizontal middle
+    $y_mid = $new_height/2; //vertical middle
+    
+    $process = imagecreatetruecolor(round($new_width), round($new_height)); 
+
+    imagecopyresampled($process, $myImage, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig);
+    $thumb = imagecreatetruecolor($thumbnail_width, $thumbnail_height); 
+    imagecopyresampled($thumb, $process, 0, 0, ($x_mid-($thumbnail_width/2)), ($y_mid-($thumbnail_height/2)), $thumbnail_width, $thumbnail_height, $thumbnail_width, $thumbnail_height);
+
+    imagedestroy($process);
+    imagedestroy($myImage);
+    return $thumb;
+}
+
+// Check if we are a user
+if( !OC_User::isLoggedIn()){
+	echo json_encode( array( 'status' => 'error', 'data' => array( 'message' => 'You need to log in.')));
+	exit();
+}
+$box_size = 200;
+$album_name = $_GET['album'];
+$x = $_GET['x'];
+
+$stmt = OC_DB::prepare('SELECT file_path FROM *PREFIX*gallery_photos,*PREFIX*gallery_albums WHERE *PREFIX*gallery_albums.uid_owner = ? AND album_name = ? AND *PREFIX*gallery_photos.album_id == *PREFIX*gallery_albums.album_id');
+$result = $stmt->execute(array(OC_User::getUser(), $album_name));
+$x = min((int)($x/($box_size/$result->numRows())), $result->numRows()-1); // get image to display
+$result->seek($x); // never throws
+$path = $result->fetchRow();
+$path = $path['file_path'];
+$tmp = OC::$CONFIG_DATADIRECTORY . $path;
+$imagesize = getimagesize($tmp);
+
+header('Content-Type: image/png');
+$image = CroppedThumbnail($tmp, $box_size, $box_size);
+
+imagepng($image);
+imagedestroy($image);
+?>