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<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2008 Dev Team
v1.1 originally written by Gregory DEMAR
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3
as published by the Free Software Foundation.
********************************************
Coppermine version: 1.4.18
$HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/showthumb.php $
$Revision: 4380 $
$Author: gaugau $
$Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/
define('IN_COPPERMINE', true);
define('SHOWTHUMB_PHP', true);
require("include/init.inc.php");
if (!GALLERY_ADMIN_MODE) cpg_die(ERROR, $lang_errors['access_denied'], __FILE__, __LINE__);
define("GIS_GIF", 1);
define("GIS_JPG", 2);
define("GIS_PNG", 3);
define("UNKNOW_ICON", 'images/unk48x48.gif');
define("GIF_ICON", 'images/gif48x48.gif');
define("READ_ERROR_ICON", 'images/read_error48x48.gif');
function makethumbnail($src_file, $newSize, $method)
{
global $CONFIG;
$content_type = array(
GIS_GIF => 'gif',
GIS_JPG => 'jpeg',
GIS_PNG => 'png'
);
// Checks that file exists and is readable
if (!filesize($src_file) || !is_readable($src_file)) {
header("Content-type: image/gif");
fpassthru(fopen(READ_ERROR_ICON, 'rb'));
exit;
}
// find the image size, no size => unknow type
$imginfo = getimagesize($src_file);
if ($imginfo == null) {
header("Content-type: image/gif");
fpassthru(fopen(UNKNOW_ICON, 'rb'));
exit;
}
// GD can't handle gif images
//if ($imginfo[2] == GIS_GIF && ($method == 'gd1' || $method == 'gd2')) {
if ($imginfo[2] == GIS_GIF && $CONFIG['GIF_support'] == 0) {
header("Content-type: image/gif");
fpassthru(fopen(GIF_ICON, 'rb'));
exit;
}
// height/width
$srcWidth = $imginfo[0];
$srcHeight = $imginfo[1];
$ratio = max($srcWidth, $srcHeight) / $newSize;
$ratio = max($ratio, 1.0);
$destWidth = (int)($srcWidth / $ratio);
$destHeight = (int)($srcHeight / $ratio);
// Choose method for thumb creation
switch ($method) {
case "im" :
if (preg_match("#[A-Z]:|\\\\#Ai", __FILE__)) {
$cur_dir = dirname(__FILE__);
$src_file = '"' . $cur_dir . '\\' . strtr($src_file, '/', '\\') . '"';
} else {
$src_file = escapeshellarg($src_file);
}
header("Content-type: image/" . ($content_type[$imginfo[2]]));
passthru("{$CONFIG['impath']}convert -quality $CONFIG[jpeg_qual] -antialias -geometry {$destWidth}x{$destHeight} $src_file -");
break;
case "gd2" :
if ($imginfo[2] == GIS_GIF && $CONFIG['GIF_support'] == 1)
$src_img = imagecreatefromgif($src_file);
elseif ($imginfo[2] == GIS_JPG)
$src_img = imagecreatefromjpeg($src_file);
else
$src_img = imagecreatefrompng($src_file);
if ($imginfo[2] == GIS_GIF)
$dst_img = imagecreate($destWidth, $destHeight);
else
$dst_img = imagecreatetruecolor($destWidth, $destHeight);
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
header("Content-type: image/jpeg");
imagejpeg($dst_img);
imagedestroy($src_img);
imagedestroy($dst_img);
break;
default :
if ($imginfo[2] == GIS_JPG)
$src_img = imagecreatefromjpeg($src_file);
else
$src_img = imagecreatefrompng($src_file);
$dst_img = imagecreate($destWidth, $destHeight);
imagecopyresized($dst_img, $src_img, 0, 0, 0, 0, $destWidth, (int)$destHeight, $srcWidth, $srcHeight);
header("Content-type: image/jpeg");
imagejpeg($dst_img);
imagedestroy($src_img);
imagedestroy($dst_img);
break;
}
}
makethumbnail($CONFIG['fullpath'] . $_GET['picfile'], $_GET['size'], $CONFIG['thumb_method']);
?>
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