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<?php
/*
** ZABBIX
** Copyright (C) 2000-2005 SIA Zabbix
**
** 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.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
?>
<?php
include "include/config.inc.php";
?>
<?php
// VAR TYPE OPTIONAL FLAGS VALIDATION EXCEPTION
$fields=array(
"imageid"=> array(T_ZBX_INT, O_MAND,P_SYS, DB_ID, NULL),
"width"=> array(T_ZBX_INT, O_OPT, P_SYS, BETWEEN(1,2000), NULL),
"height"=> array(T_ZBX_INT, O_OPT, P_SYS, BETWEEN(1,2000), NULL),
);
check_fields($fields);
?>
<?php
# PARAMETERS:
# imageid
// Header( "Content-type: text/html");
Header( "Content-type: image/png");
Header( "Expires: Mon, 17 Aug 1998 12:51:50 GMT");
check_authorisation();
$resize = 0;
if(isset($_REQUEST["width"]) || isset($_REQUEST["height"]))
{
$resize = 1;
$th_width = get_request("width",0);
$th_height = get_request("height",0);
}
//$result=DBselect("select image from images where imageid=".$_REQUEST["imageid"]);
//$row=DBfetch($result);
$row = get_image_by_imageid($_REQUEST["imageid"]);
if($row["image"] == "") exit;
$source = ImageCreateFromString($row["image"]);
if($resize == 1)
{
$src_width = imagesx($source);
$src_height = imagesy($source);
if($src_width > $th_width || $src_height > $th_height){
if($th_width == 0)
{
$th_width = $th_height * $src_width/$src_height;
} else if($th_height == 0)
{
$th_height = $th_width * $src_height/$src_width;
} else {
$a = $th_width/$th_height;
$b = $src_width/$src_height;
if($a > $b){
$th_width = $b * $th_height;
$th_height = $th_height;
} else {
$th_height = $th_width/$b;
$th_width = $th_width;
}
}
if(function_exists("imagecreatetruecolor")&&@imagecreatetruecolor(1,1))
{
$thumb = imagecreatetruecolor($th_width,$th_height);
}
else
{
$thumb = imagecreate($th_width,$th_height);
}
imagecopyresized(
$thumb, $source,
0, 0,
0, 0,
$th_width, $th_height,
$src_width, $src_height);
ImageOut($thumb);
ImageDestroy($thumb);
exit;
}
}
ImageOut($source);
ImageDestroy($source);
?>
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