<?php

//////////////////////////////////////////////////////////////////////
//
// $Id: image.php,v 1.7 2002/02/04 18:15:10 carney Exp $
//
// Copyright (C) 2002 Michael Carney
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

//////////////////////////////////////////////////////////////////////

function image_submit_handler(&$vars, &$errors)
    // This will get called by submitForm
{
    global $auto_form_mode,$p;
    $from  = $vars["file"];
    $align = $vars["align"]; 
    $id    = $vars["id"];
    if ($from != "none")
        // means we need to load a new image
    {
        $info                 = GetImageSize($from);
        if (isset($info) == false)
        {
            $errors["file"]   = "badImageFile";
            return;
        }
        if (($info[1] > $p->getSitePref("image_height"))
            || ($info[0] > $p->getSitePref("image_width")))
            // The image is too big, so we need to scale it down before
            // uploading it into the database.
        {
            $geometry = $p->getSitePref("image_width")."x".$p->getSitePref("image_height");
            $mogrify  = $p->getSitePref("mogrify_path"); 
            $result   = passthru("$mogrify -geometry $geometry $from");
            $info     = GetImageSize("$from");
        }
        $vars["height"]      = $info[1];
        $vars["width"]       = $info[0];
        $vars["heightwidth"] = $info[3];
        switch($info[2])
        {
          case 1:
            {
                $vars["content_type"] = "image/gif";
            }
            break;
            
          case 2:
            {
                $vars["content_type"] = "image/jpeg";
            }
            break;
            
          case 3:
            {
                $vars["content_type"] = "image/png";
            }
            break;
        }
        $fp    = fopen($from, "r");
        if ($fp)
        {
            global $p;
            $vars["data"]  = addslashes(fread($fp, filesize($from)));
            fclose ($fp);
            $def_width            = $p->getSitePref("thumb_width");
            $def_height           = $p->getSitePref("thumb_width");
            $geometry             = $def_width."x".$def_height;
            $mogrify              = $p->getSitePref("mogrify_path"); 
            $result               = passthru("$mogrify -format png -geometry $geometry $from");
            $thumb_info           = GetImageSize("$from.png");
            $vars["thumb_width"]  = $thumb_info[0]; 
            $vars["thumb_height"] = $thumb_info[1]; 
            $fp                   = fopen ("$from.png","r");
            
            if ($fp)
            {
                $vars["thumbnail"]  = addslashes(fread($fp, filesize("$from.png")));
            }
        }
        else
            $errors["file"] = "badImageUpload" ;
    }
    return 0;
}

function image_post_submit_handler(&$vars, $id)
{
}

function image_display_handler($id)
{
    global $p;
    include_once ("util/misc.php");
    include_once ("util/manila.php");
    $result            = db_query("select * from image where image.id='$id'");
    $vars              = mysql_fetch_assoc($result);
    $vars["image_url"] = "image.php?id=$id"; 
    return $vars;
}

?>