Merge pull request #9953 from owncloud/fix_text_preview_for_systems_without_ttf

implement a txt preview fallback for the case that ttf is not support

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/private/preview/txt.php b/lib/private/preview/txt.php
index b81436baa06..2ac77faf48b 100644
--- a/lib/private/preview/txt.php
+++ b/lib/private/preview/txt.php
@@ -54,13 +54,20 @@ class TXT extends Provider {
 		$fontFile .= '/../../../core';
 		$fontFile .= '/fonts/OpenSans-Regular.ttf';
 
+		$canUseTTF = function_exists('imagettftext');
+
 		foreach($lines as $index => $line) {
 			$index = $index + 1;
 
 			$x = (int) 1;
 			$y = (int) ($index * $lineSize);
 
-			imagettftext($image, $fontSize, 0, $x, $y, $textColor, $fontFile, $line);
+			if ($canUseTTF === true) {
+				imagettftext($image, $fontSize, 0, $x, $y, $textColor, $fontFile, $line);
+			} else {
+				$y -= $fontSize;
+				imagestring($image, 1, $x, $y, $line, $textColor);
+			}
 
 			if(($index * $lineSize) >= $maxY) {
 				break;