<?php
/*
  ****************************************************************************
  ***                                                                      ***
  ***      ViArt Shop : Enterprise 2.7 || Modified                         ***
  ***      File:  image.php    			                           ***
  ***      Built: Fri Sep 19 18:00:00 2006                                 ***
  ***      http://www.viart.com                                            ***
  ***                                                                      ***
  ****************************************************************************
*/

	include_once ("./includes/common.php");

	$item_id = get_param("item_id");
	$type = get_param("type");
	$maxwidth = (int)get_param("w");
	$maxheight = (int)get_param("h");

	if ($maxwidth<80 || $maxwidth>600) $maxwidth=300;
	if ($maxheight<80 || $maxheight>900) $maxheight=500;
	
	$sql = ""; $image_path = ""; $field_name = "";
	if ($item_id)
	{
	  	if (strtolower($type) == "small") { $field_name = "small_image";}
		elseif (strtolower($type) == "big") {$field_name = "big_image";}
		elseif (strtolower($type) == "super") {$field_name = "super_image";}

		if (strlen($field_name))
		{
			$sql  = " SELECT " . $field_name . " FROM " . $table_prefix . "items ";
			$sql .= " WHERE item_id=" . $db->tosql($item_id, INTEGER);
		}
	}
	
	if (strlen($sql))
	{
		$db->query($sql);
		if ($db->next_record()) {
			$image_path = $db->f($field_name);
		}
	}

  	$im_out = @imagecreatetruecolor(100,80);
	imagefill($im_out,1,1,imagecolorallocate($im_out,200,200,200));
	
	if (strlen($image_path) && !preg_match("/^http\:/", $image_path))
	{
		$image_extenison="";
		if(preg_match("/\.gif$/", $image_path)) {
			$image_extension="gif";
		} else if(preg_match("/\.png$/", $image_path)) {
			$image_extension="png";
		} else if(preg_match("/\.jpg$/", $image_path)){
			$image_extension="jpg";
		} else if(preg_match("/\.jpg$/", $image_path)){
			$image_extension="jpg";
		}
		
	  	if (strlen($image_extension))
	  	{
			switch ($image_extension)
		  	{
			    case "gif": $im = imagecreatefromgif($image_path);break;
			    case "png": $im = imagecreatefrompng($image_path);break;
			    case "jpg": $im = imagecreatefromjpeg($image_path);break;
			}

			if ($im)
			{
			    $image_error=false;
			    $image_width=imagesx($im);
			    $image_height=imagesy($im);
			    if ($image_height>0) $image_ratio = $image_width/$image_height;
			    $scale=1;
			    if ($image_width>$maxwidth) $scale*=$maxwidth/$image_width;
			    if ($image_height*$scale>$maxheight && $scale<1) $scale*=$maxheight/$image_height/$scale;
			    $image_width_out  = $image_width*$scale;
			    $image_height_out = $image_height*$scale;
			    $im_out = imagecreatetruecolor($image_width_out,$image_height_out);
			    imagecopyresized($im_out,$im,0,0,0,0,$image_width_out,$image_height_out,$image_width,$image_height);
			}
		}
	}
	
	if (!isset($im))
	{
	    $im = imagecreatefromgif("images/mamod/no_image.gif");
	    imagecopy($im_out,$im,0,0,0,0,100,80);
	    header("Content-Type: image/jpeg");
	    imagegif($im_out);
	} else {
		header("Content-Type: image/jpeg");
		imagejpeg($im_out);	  
	}		
	imagedestroy($im);
	imagedestroy($im_out);
	exit;
?>