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   1  <?php
   2  /*************************************************************************************
   3     Copyright notice
   4     
   5     (c) 2002-2009 Oliver Georgi (oliver@phpwcms.de) // All rights reserved.
   6   
   7     This script is part of PHPWCMS. The PHPWCMS web content management system is
   8     free software; you can redistribute it and/or modify it under the terms of
   9     the GNU General Public License as published by the Free Software Foundation;
  10     either version 2 of the License, or (at your option) any later version.
  11    
  12     The GNU General Public License can be found at http://www.gnu.org/copyleft/gpl.html
  13     A copy is found in the textfile GPL.txt and important notices to the license 
  14     from the author is found in LICENSE.txt distributed with these scripts.
  15    
  16     This script is distributed in the hope that it will be useful, but WITHOUT ANY 
  17     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  18     PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  19   
  20     This copyright notice MUST APPEAR in all copies of the script!
  21  *************************************************************************************/
  22  
  23  $phpwcms = array();
  24  require_once('../../../config/phpwcms/conf.inc.php');
  25  require_once ('../../../include/inc_lib/default.inc.php');
  26  
  27  $img_file        = (isset($_GET['i'])) ? rawurldecode($_GET['i']) : '';
  28  $img_quality    = (isset($_GET['q']) && intval($_GET['q']) <= 100 && intval($_GET['q'])) ? intval($_GET['q']) : 85;
  29  $img_info        = getimagesize(PHPWCMS_TEMPLATE.'inc_cntpart/map/map_img/'.$img_file);
  30  
  31  $img_val        = (isset($_GET['v'])) ? explode(',', $_GET['v']) : array(1,7,7,'FFFFFF','FF4000');
  32  $img_val[0]        = intval($img_val[0]); // border in px
  33  $img_val[1]        = empty($img_val[1]) ? 0 : intval($img_val[1]); // width in px
  34  $img_val[2]        = empty($img_val[2]) ? 0 : intval($img_val[2]); // height in px
  35  $img_val[3]        = empty($img_val[3]) ? hex2rgb('FFFFFF') : hex2rgb($img_val[3]); // background color array RGB
  36  $img_val[4]        = empty($img_val[4]) ? hex2rgb('FF4000') : hex2rgb($img_val[4]); // fill color array RGB
  37  
  38  $img_val[5]        = round($img_val[1]/2); // position -x
  39  $img_val[6]        = round($img_val[2]/2); // position -y
  40  
  41  $img_val[7]        = $img_val[1] - (2 * $img_val[0]); // width inner fill
  42  $img_val[8]        = $img_val[2] - (2 * $img_val[0]); // height inner fill
  43  
  44  
  45  
  46  $do = 0;
  47  
  48  //print_r($img_info);
  49  
  50  if($img_info) {
  51  
  52      $img_file = PHPWCMS_TEMPLATE.'inc_cntpart/map/map_img/'.$img_file;
  53      
  54      switch($img_info[2]) {
  55      
  56          case 1:    // GIF
  57                  if(function_exists('imagegif')) {
  58                      $img_mimetype = 'image/gif';
  59                      $img_target = 'gif';
  60                  } else {
  61                      $img_mimetype = 'image/png';
  62                      $img_target = 'png';
  63                  }
  64                  $img_source = imagecreatefromgif($img_file);
  65                  $do = 1;
  66                  break;
  67          
  68          case 2:    // JPG
  69                  $img_mimetype = 'image/jpeg';
  70                  $img_target = 'jpg';
  71                  $img_source = imagecreatefromjpeg($img_file);
  72                  $do = 1;
  73                  break;
  74          
  75          case 3:    // PNG
  76                  $img_mimetype = 'image/png';
  77                  $img_target = 'png';
  78                  $img_source = imagecreatefrompng($img_file);
  79                  $do = 1;
  80                  break;
  81      
  82      }
  83      
  84      // fill image with points
  85      $img_point = imagecreate($img_val[1], $img_val[2]);
  86      $background_color = imagecolorallocate($img_point, $img_val[3]['r'], $img_val[3]['g'], $img_val[3]['b']);
  87      $fill_color = imagecolorallocate($img_point,  $img_val[4]['r'], $img_val[4]['g'], $img_val[4]['b']);
  88      imagefilledrectangle($img_point,$img_val[0], $img_val[0], $img_val[7], $img_val[8], $fill_color);
  89      
  90      if(isset($_GET['xy'])) {
  91          $points = explode(',', trim($_GET['xy']));
  92          if(count($points)) {
  93              foreach($points as $value) {
  94                  $point = explode('x', $value);
  95                  imagecopymerge($img_source, $img_point, $point[0]-$img_val[5], $point[1]-$img_val[6], 0, 0, $img_val[1], $img_val[2], 100);
  96              }
  97          }
  98      }    
  99      imagedestroy($img_point);
 100      
 101  }
 102  
 103  header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); 
 104  header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); 
 105  header("Cache-Control: no-store, no-cache, must-revalidate"); 
 106  header("Cache-Control: post-check=0, pre-check=0",false); 
 107  header("Pragma: no-cache"); 
 108  
 109  if($do) {
 110      
 111      header('Content-type: '.$img_mimetype);
 112      
 113      switch($img_target) {
 114  
 115          case 'jpg':        imagejpeg($img_source, '', $img_quality);
 116                          break;
 117      
 118          case 'png':        imagepng($img_source, '', 9);
 119                          break;
 120      
 121          case 'gif':        imagegif($img_source);
 122                          break;
 123  
 124      }
 125      
 126      imagedestroy($img_source);
 127      
 128  } else {
 129  
 130      // error / no image
 131      header ('Content-type: image/png');
 132      $new_img = imagecreatetruecolor(75, 20);
 133      $text_color = imagecolorallocate($new_img, 255, 255, 255);
 134      imagestring($new_img, 1, 5, 5,  "Image Error", $text_color);
 135      imagepng($new_img, '', 9);
 136      imagedestroy($new_img);
 137  
 138  }
 139  
 140  function hex2rgb($hex) {
 141    $color = trim(str_replace('#','',$hex));
 142    $rgb = array('r' => intval(hexdec(substr($color,0,2))),
 143                 'g' => intval(hexdec(substr($color,2,2))),
 144                 'b' => intval(hexdec(substr($color,4,2)))
 145                 );
 146    return $rgb;
 147  }
 148  
 149  ?>