Merge pull request #15635 from owncloud/issue/15634-empty-txt-previews

Scale up the font on larger previews

Author: MorrisJobke

lib/private/preview/txt.php

@@ -55,7 +55,7 @@ public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
 
 		$lines = preg_split("/\r\n|\n|\r/", $content);
 
-		$fontSize = 5; //5px
+		$fontSize = ($maxX) ? (int) ((5 / 36) * $maxX) : 5; //5px
 		$lineSize = ceil($fontSize * 1.25);
 
 		$image = imagecreate($maxX, $maxY);