text thumbnails in cloud tile mode

Zotlabs/Daemon/Thumbnail.php

@@ -0,0 +1,62 @@
+<?php /** @file */
+
+namespace Zotlabs\Daemon;
+
+
+class Thumbnail {
+
+	static public function run($argc,$argv) {
+
+		if(! $argc == 2)
+			return;
+
+		$c = q("select * from attach where hash = '%s' ",
+			dbesc($argv[1])
+		);
+
+		if(! $c)
+			return;
+
+		$preview_style = intval(get_config('system','thumbnail_security',0));
+
+		$attach = $c[0];
+		$isize = 300;
+		
+		if(strpos($attach['filetype'],'text/') !== false) {
+			$stream = @fopen($attach['content'],'rb');
+			if($stream) {
+				$content = trim(stream_get_contents($stream,4096));
+				$content = str_replace("\r",'',$content);
+				$content_a = explode("\n",$content);
+			}
+			if($content_a) {
+				$fsize = 4;
+				$lsize = 8;
+				$image = imagecreate($isize,$isize);
+				imagecolorallocate($image,255,255,255);
+				$colour = imagecolorallocate($image,0,0,0);
+				$border = imagecolorallocate($image,64,64,64);
+
+				$x1 = 0; 
+				$y1 = 0; 
+				$x2 = ImageSX($image) - 1; 
+				$y2 = ImageSY($image) - 1; 
+
+				for($i = 0; $i < 2; $i++) { 
+					ImageRectangle($image, $x1++, $y1++, $x2--, $y2--, $border); 
+				}
+
+				foreach($content_a as $l => $t) {
+					$l = $l + 1;
+					$x = 3;
+					$y = ($l * $lsize) + 3 - $fsize;
+					imagestring($image,1,$x,$y,$t,$colour);
+					if(($l * $lsize) >= $isize) {
+						break;
+					}
+				}
+				imagejpeg($image,$attach['content'] . '.thumb');
+			}
+		}
+	}
+}