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