0,0 → 1,114 |
<?php |
/************************* |
Coppermine Photo Gallery |
************************ |
Copyright (c) 2003-2005 Coppermine Dev Team |
v1.1 originaly 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 as published by |
the Free Software Foundation; either version 2 of the License, or |
(at your option) any later version. |
******************************************** |
Coppermine version: 1.3.3 |
$Source: /cvsroot/coppermine/stable/showthumb.php,v $ |
$Revision: 1.6 $ |
$Author: gaugau $ |
$Date: 2005/04/19 03:17:11 $ |
**********************************************/ |
|
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')) { |
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_JPG) |
$src_img = imagecreatefromjpeg($src_file); |
else |
$src_img = imagecreatefrompng($src_file); |
$dst_img = imagecreatetruecolor($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'] . $HTTP_GET_VARS['picfile'], $HTTP_GET_VARS['size'], $CONFIG['thumb_method']); |
|
?> |