Made file preview (original image or png with filename as text). Added error image as png with error text.

1 files changed, 26 insertions, 0 deletions

diff --git a/forum/utils/file.php b/forum/utils/file.php
index 50993b5..25cb4c2 100644
--- a/forum/utils/file.php
+++ b/forum/utils/file.php
@@ -28,4 +28,30 @@ function getFile($fid)
 	readfile($filename); 
 }
 
+function getFilePreview($fid)
+{
+	global $DATA_DIR, $PERMSTORE, $MIME_TYPES;
+	$files = new Files($DATA_DIR . "/files.xml");
+	$file = $files->getFile($fid);
+	
+	$filename = $PERMSTORE . "/" . $file->fid;
+	
+	if(strstr($file->mimetype, "image")) {
+		header('Content-Description: File Transfer');
+		header('Content-Type: ' . $file->mimetype);
+		header('Content-Length: ' . filesize($filename));
+		header('Content-Disposition: inline; filename=' . basename($file->name));
+		readfile($filename); 
+	} else {
+		header("Content-type: image/png");
+		$im = @imagecreate(8 + strlen($file->name) * 5, 20)
+			or die("Cannot Initialize new GD image stream");
+		$background_color = imagecolorallocate($im, 0, 0, 0);
+		$text_color = imagecolorallocate($im, 233, 14, 91);
+		imagestring($im, 1, 5, 5,  $file->name, $text_color);
+		imagepng($im);
+		imagedestroy($im);
+	}
+}
+
 ?>
\ No newline at end of file