<?php
-require_once "phpfspot_db.php";
+/***************************************************************************
+ *
+ * Copyright (c) by Andreas Unterkircher, unki@netshadow.at
+ * All rights reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ ***************************************************************************/
+
require_once "phpfspot.class.php";
class PHPFSPOT_IMG {
var $db;
var $parent;
+ /**
+ * PHPFSPOT_IMG class constructor
+ */
public function __construct()
{
$this->parent = new PHPFSPOT;
} // __construct()
+ /**
+ * PHPFSPOT_IMG class destructor
+ */
public function __destruct()
{
} // __desctruct()
- public function show($idx, $width = "")
+ /**
+ * sends the specified image to the browser
+ *
+ * this function will send the specified image to
+ * the client - in the specified width. it also try's
+ * to create on-the-fly missing thumbnails via PHPFSPOT
+ * gen_thumbs function.
+ */
+ public function show($idx, $width = 0)
{
- $details = $this->parent->get_photo_details($idx);
+ if($idx == 'rand')
+ $idx = $this->parent->get_random_photo();
- foreach(Array($this->parent->cfg->thumb_width, $this->parent->cfg->photo_width) as $resolution)
- $this->resize_image($this->parent->translate_path($details['directory_path']) ."/". $details['name'], $resolution);
+ $details = $this->parent->get_photo_details($idx);
+
+ if(!$details) {
+ $this->parent->showTextImage("The image (". $idx .") you requested is unknown");
+ return;
+ }
- if($width == "")
- $fullpath = $this->parent->translate_path($details['directory_path']) ."/". $details['name'];
- else
- $fullpath = $this->parent->translate_path($details['directory_path']) ."/thumbs/". $width ."_". $details['name'];
+ /* no width specified - show photo in its original size */
+ if($width == 0) {
+ $fullpath = $this->parent->translate_path($this->parent->parse_uri($details['uri'], 'fullpath'));
+ }
+ /* show thumbnail */
+ else {
+ /* if no entry for this photo is yet in the database, create thumb */
+ if(!$this->parent->getMD5($idx)) {
+ $this->parent->gen_thumb($idx);
+ }
+ $fullpath = $this->parent->get_thumb_path($width, $idx);
+ /* if the thumb file does not exist, create it */
+ if(!file_exists($fullpath)) {
+ $this->parent->gen_thumb($idx);
+ }
+ }
+ if(!file_exists($fullpath)) {
+ $this->parent->showTextImage("File ". basename($fullpath) ." does not exist");
+ return;
+ }
+ if(!is_readable($fullpath)) {
+ $this->parent->showTextImage("File ". basename($fullpath) ." is not readable. Check the permissions");
+ return;
+ }
$tmp = getimagesize($fullpath);
$mime = $tmp['mime'];
+ if(!$this->parent->checkifImageSupported($mime)) {
+ $this->parent->showTextImage("Unsupported Image Type");
+ return;
+ }
+
Header("Content-Type: ". $mime);
Header("Content-Length: ". filesize($fullpath));
- Header("Content-Transfer-Encoding: binary\n");
- $user_agent = strtolower ($_SERVER["HTTP_USER_AGENT"]);
- Header("Content-Disposition: inline; filename=\"". $details['name'] ."\"");
- Header("Accept-Ranges: bytes");
- Header("Connection: close");
-
+ Header("Content-Transfer-Encoding: binary\n");
+ Header("Content-Disposition: inline; filename=\"". $this->parent->parse_uri($details['uri'], 'filename') ."\"");
+ Header("Content-Description: ". $this->parent->parse_uri($details['uri'], 'filename'));
+ Header("Accept-Ranges: bytes");
+ Header("Connection: close");
+ Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+ Header("Cache-Control: no-cache");
+ Header("Pragma: no-cache");
+
$file = fopen($fullpath, "rb");
fpassthru($file);
@fclose($file);
} // show()
- public function resize_image($image, $width)
- {
- $src_img = @imagecreatefromjpeg($image);
-
- if($src_img)
- {
- /* grabs the height and width */
- $new_w = imagesx($src_img);
- $new_h = imagesy($src_img);
-
- // If requested width is more then the actual image width,
- // do not generate a thumbnail
-
- if($width >= $new_w) {
- imagedestroy($src_img);
- return;
- }
-
- /* calculates aspect ratio */
- $aspect_ratio = $new_h / $new_w;
-
- /* sets new size */
- $new_w = $width;
- $new_h = abs($new_w * $aspect_ratio);
-
- /* creates new image of that size */
- $dst_img = imagecreatetruecolor($new_w,$new_h);
-
- imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
-
- /* copies resized portion of original image into new image */
- imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
-
- /* write down new generated file */
-
- if(!file_exists(dirname($image) ."/thumbs"))
- mkdir(dirname($image) ."/thumbs");
-
- $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
- imagejpeg($dst_img, $newfile, 75);
-
- /* free your mind */
- imagedestroy($dst_img);
- imagedestroy($src_img);
- }
-
- } // resize_image()
}
-if(isset($_GET['idx']) && is_numeric($_GET['idx'])) {
+if(isset($_GET['idx']) && (is_numeric($_GET['idx']) || $_GET['idx'] == 'rand')) {
+
+ $img = new PHPFSPOT_IMG;
if(isset($_GET['width']) && is_numeric($_GET['width']))
- $width = $_GET['width'];
+ $img->show($_GET['idx'], $_GET['width']);
else
- $width = "";
-
- $img = new PHPFSPOT_IMG;
- $img->show($_GET['idx'], $width);
+ $img->show($_GET['idx']);
}
?>