mirror of
https://github.com/BeitDina/AutoIndex.git
synced 2025-12-24 08:09:41 +01:00
443 lines
12 KiB
PHP
443 lines
12 KiB
PHP
<?php
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/**
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* @package AutoIndex
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*
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* @copyright Copyright (C) 2002-2004 Justin Hagstrom, 2019-2023 Florin C Bodin aka orynider at github.com
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License (GPL)
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*
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* @link http://autoindex.sourceforge.net
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*/
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/*
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AutoIndex PHP Script is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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AutoIndex PHP Script is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX)
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{
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die('bad class init...');
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}
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/**
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* Generates a thumbnail of an image file.
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*
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* @author Justin Hagstrom <JustinHagstrom@yahoo.com>
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* @version 1.0.0 (May 22, 2004)
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* @package AutoIndex
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*/
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class Image
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{
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/**
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* @var string Name of the image file
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*/
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private $filename;
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/**
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* @var int The height of the thumbnail to create (width is automatically determined)
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*/
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private $height;
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/**
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* Massage the SVG image data for converters which don't understand some path data syntax.
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*
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* This is necessary for rsvg and ImageMagick when compiled with rsvg support.
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* Upstream bug is https://bugzilla.gnome.org/show_bug.cgi?id=620923, fixed 2014-11-10, so
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* this will be needed for a while. (T76852)
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*
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* @param string $svg SVG image data
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* @return string Massaged SVG image data
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*/
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protected function massageSvgPathdata($svg)
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{
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// load XML into simplexml
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$xml = simplexml_load_file($svg);
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// if the XML is valid
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if ( $xml instanceof SimpleXMLElement )
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{
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$dom = new DOMDocument( '1.0', 'utf-8' );
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$dom->preserveWhiteSpace = false;
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$dom->formatOutput = true;
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// use it as a source
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$dom->loadXML( $xml->asXML() );
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foreach ($dom->getElementsByTagName('path') as $node)
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{
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$pathData = $node->getAttribute('d');
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// Make sure there is at least one space between numbers, and that leading zero is not omitted.
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// rsvg has issues with syntax like "M-1-2" and "M.445.483" and especially "M-.445-.483".
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$pathData = preg_replace('/(-?)(\d*\.\d+|\d+)/', ' ${1}0$2 ', $pathData);
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// Strip unnecessary leading zeroes for prettiness, not strictly necessary
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$pathData = preg_replace('/([ -])0(\d)/', '$1$2', $pathData);
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$node->setAttribute('d', $pathData);
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}
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return $dom->saveXML();
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}
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}
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/**
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* Convert passed image data, which is assumed to be SVG, to PNG.
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*
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* @param string $file SVG image data
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* @return string|bool PNG image data, or false on failure
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*/
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protected function imagecreatefromsvg($file)
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{
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/**
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* This code should be factored out to a separate method on SvgHandler, or perhaps a separate
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* class, with a separate set of configuration settings.
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*
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* This is a distinct use case from regular SVG rasterization:
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* * We can skip many sanity and security checks (as the images come from a trusted source,
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* rather than from the user).
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* * We need to provide extra options to some converters to achieve acceptable quality for very
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* small images, which might cause performance issues in the general case.
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* * We want to directly pass image data to the converter, rather than a file path.
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*
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* See https://phabricator.wikimedia.org/T76473#801446 for examples of what happens with the
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* default settings.
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*
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* For now, we special-case rsvg (used in WMF production) and do a messy workaround for other
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* converters.
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*/
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$src = file_get_contents($file);
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$svg = $this->massageSvgPathdata($file);
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// Sometimes this might be 'rsvg-secure'. Long as it's rsvg.
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if ( strpos( CACHE_STORAGE_DIR, 'rsvg' ) === 0 )
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{
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$command = 'rsvg-convert';
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if ( CACHE_STORAGE_DIR )
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{
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$command = Shell::escape(CACHE_STORAGE_DIR) . $command;
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}
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$process = proc_open(
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$command,
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[ 0 => [ 'pipe', 'r' ], 1 => [ 'pipe', 'w' ] ],
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$pipes
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);
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if ( is_resource( $process ) )
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{
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fwrite( $pipes[0], $svg );
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fclose( $pipes[0] );
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$png = stream_get_contents( $pipes[1] );
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fclose( $pipes[1] );
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proc_close( $process );
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return $png ?: false;
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}
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return false;
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}
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else
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{
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// Write input to and read output from a temporary file
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$tempFilenameSvg = CACHE_STORAGE_DIR . 'ResourceLoaderImage.svg';
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$tempFilenamePng = CACHE_STORAGE_DIR . 'ResourceLoaderImage.png';
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@copy($file, $tempFilenameSvg);
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@file_put_contents( $tempFilenameSvg, $src );
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$typeString = "image/png";
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$command = 'cd ~' . CACHE_STORAGE_DIR . ' && java -jar batik-rasterizer.jar ' . $tempFilenameSvg . ' -m ' .$typeString;
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//$command = "java -jar ". CACHE_STORAGE_DIR . "batik-rasterizer.jar -m " . $typeString ." -d ". $tempFilenamePng . " -q " . THUMBNAIL_HEIGHT . " " . $tempFilenameSvg . " 2>&1";
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$process = proc_open(
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$command,
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[ 0 => [ 'pipe', 'r' ], 1 => [ 'pipe', 'w' ] ],
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$pipes
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);
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if ( is_resource( $process ) )
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{
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proc_close( $process );
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}
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else
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{
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$output = shell_exec($command);
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echo "Command: $command <br>";
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echo "Output: $output";
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}
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//$svgReader = new SVGReader($file);
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//$metadata = $svgReader->getMetadata();
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//if ( !isset( $metadata['width'] ) || !isset( $metadata['height'] ) )
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//{
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$metadata['width'] = $metadata['height'] = THUMBNAIL_HEIGHT;
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//}
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//loop to color each state as needed, something like
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$idColorArray = array(
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"AL" => "339966",
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"AK" => "0099FF",
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"WI" => "FF4B00",
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"WY" => "A3609B"
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);
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foreach($idColorArray as $state => $color)
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{
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//Where $color is a RRGGBB hex value
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$svg = preg_replace('/id="'.$state.'" style="fill: #([0-9a-f]{6})/',
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'id="'.$state.'" style="fill: #'.$color, $svg
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);
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}
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$im = @ImageCreateFromPNG($svg);
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//$im->readImageBlob($svg);
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// png settings
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//$im->setImageFormat(function_exists('imagecreatefrompng') ? 'png24' : 'jpeg');
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//$im->resizeImage($metadata['width'], $metadata['height'], (function_exists('imagecreatefrompng') ? imagick::FILTER_LANCZOS : ''), 1); // Optional, if you need to resize
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// jpeg
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//$im->adaptiveResizeImage($metadata['width'], $metadata['height']); //Optional, if you need to resize
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//$im->writeImage($tempFilenamePng); // (or .jpg)
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//unlink( $tempFilenameSvg );
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//$png = null;
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//if ( $res === true )
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//{
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// $png = file_get_contents( $tempFilenamePng );
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// unlink( $tempFilenamePng );
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//}
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//return $png ?: false;
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}
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die($svg);
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}
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/**
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* Outputs the jpeg image along with the correct headers so the
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* browser will display it. The script is then exited.
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*/
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public function __toString()
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{
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$thumbnail_height = $this->height;
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$file = $this->filename;
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$file_icon = new Icon($file);
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$this->icon = $file_icon->__toString();
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if (!@is_file($file))
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{
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header('HTTP/1.0 404 Not Found');
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throw new ExceptionDisplay('Image file not found: <em>' . Url::html_output($file) . '</em>');
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}
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switch (FileItem::ext($file))
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{
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case 'gif':
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{
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$src = @imagecreatefromgif($file);
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break;
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}
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/*
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case 'thm':
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{
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$src = @exif_thumbnail($file, THUMBNAIL_HEIGHT, THUMBNAIL_HEIGHT, 'image/jpg');
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break;
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}
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*/
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case 'jpeg':
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case 'jpg':
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case 'jpe':
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case 'jfif' :
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{
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$src = @imagecreatefromjpeg($file);
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break;
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}
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case 'svg' :
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{
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$src = $this->imagecreatefromsvg($file);
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break;
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}
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case 'png':
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{
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$src = @imagecreatefrompng($file);
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break;
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}
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case 'bmp' :
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{
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$src = imagecreatefrombmp($file);
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break;
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}
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case 'xbm' :
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{
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$src= imagecreatefromxbm($file);
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break;
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}
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case 'xpm' :
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{
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$src = imagecreatefromxpm($file);
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break;
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}
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case 'wmv' :
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{
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ini_set('memory_limit', '512M');
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$src = function_exists('imagecreatefromwmv') ? imagecreatefromwmv($file) : imagecreatefromjpeg(str_replace('wmv', 'jpg', $file));
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break;
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}
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case 'avi':
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case 'divx':
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case 'xvid':
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{
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ini_set('memory_limit', '512M');
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$src = function_exists($function) ? imagecreatefromavi($file) : imagecreatefromjpeg(str_replace(FileItem::ext($file), 'jpg', $file));
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break;
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}
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case 'mp4':
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case 'mpg':
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case 'mp3':
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case 'ogv':
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case 'flv':
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{
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ini_set('memory_limit', '512M');
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$function = 'imagecreatefrom'.FileItem::ext($file);
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$src = function_exists($function) ? 'imagecreatefrom'.$$function.($file) : imagecreatefromjpeg(str_replace(FileItem::ext($file), 'jpg', $file));
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break;
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}
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case '3gp':
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{
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ini_set('memory_limit', '512M');
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$src = function_exists('imagecreatefrom3gp') ? imagecreatefrom3gp($file) : imagecreatefromjpeg(str_replace('3gp', 'jpg', $file));
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break;
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}
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case 'php':
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{
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$src = str_replace('php', 'png', $file);
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//JN (GPL)
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$file_header = 'Content-type: image/png';
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srand ((float) microtime() * 10000000);
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$quote = rand(1, 6);
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switch($quote)
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{
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case "1":
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$rand_quote = "MXP-CMS Team, mxp.sf.net";
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break;
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case "2":
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$rand_quote = "in between milestones edition ;)";
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break;
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case "3":
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$rand_quote = "MX-Publisher, Fully Modular Portal & CMS for phpBB";
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break;
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case "4":
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$rand_quote = "Portal & CMS Site Creation Tool";
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break;
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case "5":
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$rand_quote = "...pafileDB, FAP, MX-Publisher, Translator";
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break;
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case "6":
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$rand_quote = "...Calendar, Links & News...modules";
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break;
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}
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$pic_title = $rand_quote;
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$pic_title_reg = preg_replace("/[^A-Za-z0-9]/", "_", $pic_title);
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$current_release = "3.0.0";
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$im = @ImageCreateFromPNG($src);
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$pic_size = @getimagesize($src);
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$pic_width = $pic_size[0];
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$pic_height = $pic_size[1];
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$dimension_font = 1;
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$dimension_filesize = filesize($src);
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$dimension_string = intval($pic_width) . 'x' . intval($pic_height) . '(' . intval($dimension_filesize / 1024) . 'KB)';
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$blue = ImageColorAllocate($im, 6, 108, 159);
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$dimension_height = imagefontheight($dimension_font);
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$dimension_width = imagefontwidth($dimension_font) * strlen($current_release);
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$dimension_x = ($thumbnail_width - $dimension_width) / 2;
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$dimension_y = $thumbnail_height + ((16 - $dimension_height) / 2);
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//ImageString($im, 2, $dimension_x, $dimension_y, $current_release, $blue);
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@ImageString($im, 2, 125, 2, $current_release, $blue);
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@ImageString($im, 2, 20, 17, $rand_quote, $blue);
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@Header($file_header);
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Header("Expires: Mon, 1, 1999 05:00:00 GMT");
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Header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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Header("Cache-Control: no-store, no-cache, must-revalidate");
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Header("Cache-Control: post-check=0, pre-check=0", false);
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Header("Pragma: no-cache");
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@ImagePNG($im);
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exit;
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break;
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}
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default:
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{
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$function = 'imagecreatefrom'.FileItem::ext($file);
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$src = function_exists($function) ? 'imagecreatefrom'.$$function.($file) : imagecreatefromjpeg(str_replace(FileItem::ext($file), 'jpg', $file));
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break;
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}
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}
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if ($src === false)
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{
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throw new ExceptionDisplay('Unsupported image type.');
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}
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header('Content-Type: image/jpeg');
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header('Cache-Control: public, max-age=3600, must-revalidate');
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header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');
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$src_height = imagesy($src);
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if ($src_height <= $thumbnail_height)
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{
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imagejpeg($src, '', 95);
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}
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else
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{
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$src_width = imagesx($src);
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$thumb_width = $thumbnail_height * ($src_width / $src_height);
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$thumb = imagecreatetruecolor($thumb_width, $thumbnail_height);
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imagecopyresampled($thumb, $src, 0, 0, 0, 0, $thumb_width, $thumbnail_height, $src_width, $src_height);
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imagejpeg($thumb);
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imagedestroy($thumb);
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}
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imagedestroy($src);
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die();
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}
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/**
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* @param string $file The image file
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*/
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public function __construct($file)
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{
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if (!THUMBNAIL_HEIGHT)
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{
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throw new ExceptionDisplay('Image thumbnailing is turned off.');
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}
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global $config;
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$this -> height = (int)$config ->__get('thumbnail_height');
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$this -> filename = $file;
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//$this -> tn_path = $config -> __get('thumbnail_path');
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//$this -> tn_quality = $config -> __get('thumbnail_quality');
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}
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}
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?>
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