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kaklik |
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<?php
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/*************************
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Coppermine Photo Gallery
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************************
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Copyright (c) 2003-2005 Coppermine Dev Team
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v1.1 originaly written by Gregory DEMAR
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This program 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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********************************************
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Coppermine version: 1.3.3
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$Source: /cvsroot/coppermine/stable/showthumb.php,v $
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$Revision: 1.6 $
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$Author: gaugau $
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$Date: 2005/04/19 03:17:11 $
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**********************************************/
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define('IN_COPPERMINE', true);
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define('SHOWTHUMB_PHP', true);
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require("include/init.inc.php");
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if (!GALLERY_ADMIN_MODE) cpg_die(ERROR, $lang_errors['access_denied'], __FILE__, __LINE__);
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define("GIS_GIF", 1);
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define("GIS_JPG", 2);
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define("GIS_PNG", 3);
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define("UNKNOW_ICON", 'images/unk48x48.gif');
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define("GIF_ICON", 'images/gif48x48.gif');
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define("READ_ERROR_ICON", 'images/read_error48x48.gif');
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function makethumbnail($src_file, $newSize, $method)
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{
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global $CONFIG;
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$content_type = array(
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GIS_GIF => 'gif',
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GIS_JPG => 'jpeg',
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GIS_PNG => 'png'
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);
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// Checks that file exists and is readable
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if (!filesize($src_file) || !is_readable($src_file)) {
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header("Content-type: image/gif");
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fpassthru(fopen(READ_ERROR_ICON, 'rb'));
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exit;
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}
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// find the image size, no size => unknow type
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$imginfo = getimagesize($src_file);
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if ($imginfo == null) {
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header("Content-type: image/gif");
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fpassthru(fopen(UNKNOW_ICON, 'rb'));
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exit;
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}
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// GD can't handle gif images
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if ($imginfo[2] == GIS_GIF && ($method == 'gd1' || $method == 'gd2')) {
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header("Content-type: image/gif");
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fpassthru(fopen(GIF_ICON, 'rb'));
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exit;
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}
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// height/width
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$srcWidth = $imginfo[0];
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$srcHeight = $imginfo[1];
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$ratio = max($srcWidth, $srcHeight) / $newSize;
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$ratio = max($ratio, 1.0);
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$destWidth = (int)($srcWidth / $ratio);
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$destHeight = (int)($srcHeight / $ratio);
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// Choose method for thumb creation
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switch ($method) {
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case "im" :
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if (preg_match("#[A-Z]:|\\\\#Ai", __FILE__)) {
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$cur_dir = dirname(__FILE__);
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$src_file = '"' . $cur_dir . '\\' . strtr($src_file, '/', '\\') . '"';
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} else {
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$src_file = escapeshellarg($src_file);
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}
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header("Content-type: image/" . ($content_type[$imginfo[2]]));
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passthru("{$CONFIG['impath']}convert -quality $CONFIG[jpeg_qual] -antialias -geometry {$destWidth}x{$destHeight} $src_file -");
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break;
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case "gd2" :
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if ($imginfo[2] == GIS_JPG)
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$src_img = imagecreatefromjpeg($src_file);
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else
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$src_img = imagecreatefrompng($src_file);
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$dst_img = imagecreatetruecolor($destWidth, $destHeight);
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imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
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header("Content-type: image/jpeg");
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imagejpeg($dst_img);
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imagedestroy($src_img);
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imagedestroy($dst_img);
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break;
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default :
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if ($imginfo[2] == GIS_JPG)
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$src_img = imagecreatefromjpeg($src_file);
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else
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$src_img = imagecreatefrompng($src_file);
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$dst_img = imagecreate($destWidth, $destHeight);
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imagecopyresized($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
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header("Content-type: image/jpeg");
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imagejpeg($dst_img);
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imagedestroy($src_img);
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imagedestroy($dst_img);
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break;
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}
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}
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makethumbnail($CONFIG['fullpath'] . $HTTP_GET_VARS['picfile'], $HTTP_GET_VARS['size'], $CONFIG['thumb_method']);
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?>
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