streams/Zotlabs/Daemon/Thumbnail.php

<?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');
			}
		}
	}
}