49 lines
1.1 KiB
PHP
49 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
|
||
|
|
* This file is licensed under the Affero General Public License version 3 or
|
||
|
|
* later.
|
||
|
|
* See the COPYING-README file.
|
||
|
|
*/
|
||
|
|
class OC_Preview_TXT extends OC_Preview_Provider{
|
||
|
|
|
||
|
|
public function getMimeType(){
|
||
|
|
return '/text\/.*/';
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getThumbnail($path,$maxX,$maxY,$scalingup,$fileview) {
|
||
|
|
$content = $fileview->fopen($path, 'r');
|
||
|
|
$content = stream_get_contents($content);
|
||
|
|
|
||
|
|
$lines = preg_split("/\r\n|\n|\r/", $content);
|
||
|
|
$numoflines = count($lines);
|
||
|
|
|
||
|
|
$fontsize = 5; //5px
|
||
|
|
$linesize = ceil($fontsize * 1.25);
|
||
|
|
|
||
|
|
$image = imagecreate($maxX, $maxY);
|
||
|
|
$imagecolor = imagecolorallocate($image, 255, 255, 255);
|
||
|
|
$textcolor = imagecolorallocate($image, 0, 0, 0);
|
||
|
|
|
||
|
|
foreach($lines as $index => $line){
|
||
|
|
$index = $index + 1;
|
||
|
|
|
||
|
|
$x = (int) 1;
|
||
|
|
$y = (int) ($index * $linesize) - $fontsize;
|
||
|
|
|
||
|
|
imagestring($image, 1, $x, $y, $line, $textcolor);
|
||
|
|
|
||
|
|
if(($index * $linesize) >= $maxY){
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$image = new \OC_Image($image);
|
||
|
|
|
||
|
|
if (!$image->valid()) return false;
|
||
|
|
|
||
|
|
return $image;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
OC_Preview::registerProvider('OC_Preview_TXT');
|