[Fmsystem-commits] [7099] Frontend: auto resize picture

[Sigurd Nes]

Revision: 7099
          http://svn.sv.gnu.org/viewvc/?view=rev&root=fmsystem&revision=7099
Author:   sigurdne
Date:     2011-03-09 11:55:14 +0000 (Wed, 09 Mar 2011)
Log Message:
-----------
Frontend: auto resize picture

Modified Paths:
--------------
    trunk/frontend/inc/class.uifrontend.inc.php

Modified: trunk/frontend/inc/class.uifrontend.inc.php
===================================================================
--- trunk/frontend/inc/class.uifrontend.inc.php 2011-03-09 08:14:06 UTC (rev 
7098)
+++ trunk/frontend/inc/class.uifrontend.inc.php 2011-03-09 11:55:14 UTC (rev 
7099)
@@ -479,12 +479,21 @@
                        {
                                $mime_type = $ls_array[0]['mime_type'];
                        }
-                       
+
                        if(isset($document) && $document != '')
                        {
                                header('Content-type: ' . $mime_type);
-                               echo $document;
 
+                               if(function_exists('imagejpeg'))
+                               {
+                                       $source = 
"{$GLOBALS['phpgw_info']['server']['files_dir']}{$ls_array[0]['directory']}/{$ls_array[0]['name']}";
+                                       $this->create_thumb($source,173);
+                               }
+                               else
+                               {
+                                       echo $document;
+                               }
+
                                $GLOBALS['phpgw']->common->phpgw_exit();
                        }
                        else
@@ -492,4 +501,47 @@
                                
$GLOBALS['phpgw']->redirect_link('templates/base/images/missing_picture.png');
                        }
                }
+
+               function create_thumb($source,$target_height = 100)
+               {
+                       $size = getimagesize($source);
+                       $width = $size[0];
+                       $height = $size[1];
+
+                       $target_width = round($width*($target_height/$height));
+
+                       if ($width > $height)
+                       {
+                               $x = ceil(($width - $height) / 2 );
+                               $width = $height;
+                       }
+                       else if($height > $width)
+                       {
+                               $y = ceil(($height - $width) / 2);
+                               $height = $width;
+                       }
+
+                       $new_im = 
ImageCreatetruecolor($target_width,$target_height);
+
+                       @$imgInfo = getimagesize($source);
+
+                       if ($imgInfo[2] == IMAGETYPE_JPEG)
+                       {
+                               $im = imagecreatefromjpeg($source);
+                               
imagecopyresampled($new_im,$im,0,0,$x,$y,$target_width,$target_height,$width,$height);
+                               imagejpeg($new_im,$dest,75); // Thumbnail 
quality (Value from 1 to 100)
+                       }
+                       else if ($imgInfo[2] == IMAGETYPE_GIF)
+                       {
+                               $im = imagecreatefromgif($source);
+                               
imagecopyresampled($new_im,$im,0,0,$x,$y,$target_width,$target_height,$width,$height);
+                               imagegif($new_im,$dest);
+                       }
+                       else if ($imgInfo[2] == IMAGETYPE_PNG)
+                       {
+                               $im = imagecreatefrompng($source);
+                               
imagecopyresampled($new_im,$im,0,0,$x,$y,$target_width,$target_height,$width,$height);
+                               imagepng($new_im,$dest);
+                       }
+               }
        }