83 lines
No EOL
1.7 KiB
PHP
83 lines
No EOL
1.7 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.
|
|
*/
|
|
namespace OC\Preview;
|
|
|
|
class TXT extends Provider {
|
|
|
|
private static $blacklist = array(
|
|
'text/calendar',
|
|
'text/vcard',
|
|
);
|
|
|
|
public function getMimeType() {
|
|
return '/text\/.*/';
|
|
}
|
|
|
|
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
|
|
$mimetype = $fileview->getMimeType($path);
|
|
if(in_array($mimetype, self::$blacklist)) {
|
|
return false;
|
|
}
|
|
|
|
$content = $fileview->fopen($path, 'r');
|
|
$content = stream_get_contents($content);
|
|
|
|
//don't create previews of empty text files
|
|
if(trim($content) === '') {
|
|
return false;
|
|
}
|
|
|
|
$lines = preg_split("/\r\n|\n|\r/", $content);
|
|
|
|
$fontSize = 5; //5px
|
|
$lineSize = ceil($fontSize * 1.25);
|
|
|
|
$image = imagecreate($maxX, $maxY);
|
|
imagecolorallocate($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);
|
|
|
|
return $image->valid() ? $image : false;
|
|
}
|
|
}
|
|
|
|
\OC\Preview::registerProvider('OC\Preview\TXT');
|
|
|
|
class PHP extends TXT {
|
|
|
|
public function getMimeType() {
|
|
return '/application\/x-php/';
|
|
}
|
|
|
|
}
|
|
|
|
\OC\Preview::registerProvider('OC\Preview\PHP');
|
|
|
|
class JavaScript extends TXT {
|
|
|
|
public function getMimeType() {
|
|
return '/application\/javascript/';
|
|
}
|
|
|
|
}
|
|
|
|
\OC\Preview::registerProvider('OC\Preview\JavaScript'); |