1 files changed, 73 insertions, 4 deletions

diff --git a/frontends/php/image.php b/frontends/php/image.php
index 16e3076b..c4d3bca2 100644
--- a/frontends/php/image.php
+++ b/frontends/php/image.php
@@ -20,21 +20,90 @@
 ?>
 <?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:  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);
-	$image=ImageCreateFromString($row["image"]);
 
-	ImageOut($image);
-	ImageDestroy($image);
+	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);
 ?>