playlist.php
author Dan
Mon, 01 Sep 2008 16:48:47 -0400
changeset 42 774751e7faed
parent 40 bd3372a2afc1
child 44 92dd253f501c
permissions -rw-r--r--
Balanced out position slider a little more so it only moves by 240px instead of the full 250 (cosmetic only)
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<?php
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/**
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 * Playlist displayer
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 *
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 * Greyhound - real web management for Amarok
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 * Copyright (C) 2008 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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function amarok_playlist($httpd, $socket)
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{
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  global $theme, $playlist, $allowcontrol;
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  global $use_auth, $auth_data;
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  if ( $use_auth )
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  {
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    if ( !isset($_SERVER['PHP_AUTH_USER']) )
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    {
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      $httpd->header('WWW-Authenticate: basic');
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      $httpd->send_http_error($socket, 401, "A username and password are required to access this resource. Either you did not specify a username and password, or the supplied credentials were incorrect.");
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      return true;
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    }
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    if ( !isset($auth_data[$_SERVER['PHP_AUTH_USER']]) )
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    {
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      $httpd->header('WWW-Authenticate: basic');
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      $httpd->send_http_error($socket, 401, "A username and password are required to access this resource. Either you did not specify a username and password, or the supplied credentials were incorrect.");
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      return true;
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    }
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    else if ( $auth_data[$_SERVER['PHP_AUTH_USER']] !== $_SERVER['PHP_AUTH_PW'] )
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    {
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      $httpd->header('WWW-Authenticate: basic');
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      $httpd->send_http_error($socket, 401, "A username and password are required to access this resource. Either you did not specify a username and password, or the supplied credentials were incorrect.");
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      return true;
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    }
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  }
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  $iphone = ( ( strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') ||
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       strpos($_SERVER['HTTP_USER_AGENT'], 'iPod') ||
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       strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') ||
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       isset($_GET['m']) )
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       && !isset($_GET['f'])
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       );
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  $theme_id = ( $iphone ) ? 'iphone' : $theme;
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  $smarty = load_theme($theme_id);
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  $active = dcop_action('playlist', 'getActiveIndex');
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  $smarty->assign('theme', $theme_id);
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  $smarty->assign('playlist', $playlist);
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  $smarty->assign('active', $active);
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  $smarty->assign('scripts', array(
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      'ajax.js',
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      'domutils.js',
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      'volume.js',
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      'dom-drag.js',
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      'position.js'
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    ));
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  $smarty->assign('allow_control', $allowcontrol);
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  $smarty->register_function('sprite', 'smarty_function_sprite');
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  $smarty->display('playlist.tpl');
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}
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function artwork_request_handler($httpd, $socket)
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{
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  global $amarok_home;
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  // get PATH_INFO
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  $pathinfo = @substr(@substr($_SERVER['REQUEST_URI'], 1), @strpos(@substr($_SERVER['REQUEST_URI'], 1), '/')+1);
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  // should we do a collage (for CSS sprites instead of sending hundreds of individual images)?
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  if ( preg_match('/^collage(?:\/([0-9]+))?$/', $pathinfo, $match) )
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  {
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    // default size is 50px per image
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    $collage_size = ( isset($match[1]) ) ? intval($match[1]) : 50;
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    $artwork_dir = "$amarok_home/albumcovers";
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    if ( !file_exists("$artwork_dir/collage_{$collage_size}.png") )
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    {
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      if ( !generate_artwork_collage("$artwork_dir/collage_{$collage_size}.png", $collage_size) )
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      {
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        echo 'Error: generate_artwork_collage() failed';
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        return;
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      }
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    }
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    $target_file = "$artwork_dir/collage_{$collage_size}.png";
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    // we have it now, send the image through
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    $fh = @fopen($target_file, 'r');
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    if ( !$fh )
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      return false;
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    $httpd->header('Content-type: image/png');
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    $httpd->header('Content-length: ' . filesize($target_file));
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    $httpd->header('Expires: Wed, 1 Jan 2020 01:00:00 GMT');
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    // kinda sorta a hack.
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    $headers = implode("\r\n", $httpd->response_headers);
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    $httpd->send_client_headers($socket, $httpd->response_code, $httpd->content_type, $headers);
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    while ( $d = fread($fh, 10240) )
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    {
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      $socket->write($d);
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    }
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    fclose($fh);
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    return;
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  }
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  if ( !isset($_GET['artist']) || !isset($_GET['album']) )
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  {
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    echo 'Please specify artist and album.';
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    return;
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  }
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  // get hash
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  $artwork_hash = md5( strtolower(trim($_GET['artist'])) . strtolower(trim($_GET['album'])) );
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  $artwork_dir = "$amarok_home/albumcovers";
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  if ( file_exists("$artwork_dir/large/$artwork_hash") )
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  {
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    // artwork file found - scale and convert to PNG
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    if ( !is_dir("$artwork_dir/greyhoundthumbnails") )
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    {
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      if ( !@mkdir("$artwork_dir/greyhoundthumbnails") )
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      {
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        return false;
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      }
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    }
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    // check for the scaled cover image
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    $target_file = "$artwork_dir/greyhoundthumbnails/$artwork_hash.png";
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    if ( !file_exists($target_file) )
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    {
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      // not scaled yet, scale to uniform 50x50 image
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      $artwork_filetype = get_image_filetype("$artwork_dir/large/$artwork_hash");
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      if ( !$artwork_filetype )
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      {
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        // image is not supported (PNG, GIF, or JPG required)
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        return false;
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      }
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      // we'll need to copy the existing artwork file to our thumbnail dir to let scale_image() detect the type properly (it doesn't use magic bytes)
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      if ( !copy("$artwork_dir/large/$artwork_hash", "$artwork_dir/greyhoundthumbnails/tmp{$artwork_hash}.$artwork_filetype") )
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      {
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        return false;
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      }
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      // finally, scale the image
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      if ( !scale_image("$artwork_dir/greyhoundthumbnails/tmp{$artwork_hash}.$artwork_filetype", $target_file, 50, 50) )
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      {
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        return false;
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      }
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      // delete our temp file
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      if ( !unlink("$artwork_dir/greyhoundthumbnails/tmp{$artwork_hash}.$artwork_filetype") )
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      {
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        echo 'Couldn\'t delete the temp file';
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        return false;
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      }
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    }
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    // we have it now, send the image through
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    $fh = @fopen($target_file, 'r');
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    if ( !$fh )
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      return false;
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25
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    $httpd->header('Content-type: image/png');
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    $httpd->header('Content-length: ' . filesize($target_file));
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    $httpd->header('Expires: Wed, 1 Jan 2020 01:00:00 GMT');
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    // kinda sorta a hack.
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    $headers = implode("\r\n", $httpd->response_headers);
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    $httpd->send_client_headers($socket, $httpd->response_code, $httpd->content_type, $headers);
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    while ( !feof($fh) )
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    {
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      $socket->write(fread($fh, 51200));
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    }
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    fclose($fh);
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  }
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  else
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  {
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    // artwork file doesn't exist
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    $ar = htmlspecialchars($_GET['artist']);
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    $al = htmlspecialchars($_GET['album']);
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    $httpd->send_http_error($socket, 404, "The requested artwork file for $ar:$al could not be found on this server.");
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  }
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}
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/**
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 * Generates a collage of all album art for use as a CSS sprite. Also generates a textual .map file in the format of "hash xpos ypos\n"
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 * to allow retrieving positions of images. Requires GD.
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 * @param string Name of the collage file. Map file will be the same filename except with the extension ".map"
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 * @param int Size of each image, in pixels. Artwork images will be stretched to a 1:1 aspect ratio. Optional, defaults to 50.
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 * @return bool True on success, false on failure.
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 */
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   195
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function generate_artwork_collage($target_file, $size = 50)
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{
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  // check for required GD functionality
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  if ( !function_exists('imagecopyresampled') || !function_exists('imagepng') )
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    return false;
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   201
  
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  status("generating size $size collage");
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  $stderr = fopen('php://stderr', 'w');
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   204
  if ( !$stderr )
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    // this should really never fail.
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   206
    return false;
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   207
  
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   208
  // import amarok globals
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   209
  global $amarok_home;
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  $artwork_dir = "$amarok_home/albumcovers";
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   211
  
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  // map file path
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  $mapfile = preg_replace('/\.[a-z]+$/', '', $target_file) . '.map';
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   214
  
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  // open map file
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  $maphandle = @fopen($mapfile, 'w');
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   217
  if ( !$maphandle )
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   218
    return false;
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   219
  
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   220
  $mapheader = <<<EOF
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# this artwork collage map gives the locations of various artwork images within the collage
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   222
# format is:
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   223
# hash                           x y
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   224
# x and y are indices, not pixel values (obviously), and hash is the name of the artwork file in large/
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   225
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   226
EOF;
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   227
  fwrite($maphandle, $mapheader);
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   228
  
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   229
  // build a list of existing artwork files
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   230
  $artwork_list = array();
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   231
  if ( $dh = @opendir("$artwork_dir/large") )
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   232
  {
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   233
    while ( $fp = @readdir($dh) )
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   234
    {
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   235
      if ( preg_match('/^[a-f0-9]{32}$/', $fp) )
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   236
      {
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   237
        $artwork_list[] = $fp;
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   238
      }
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   239
    }
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   240
    closedir($dh);
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   241
  }
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   242
  else
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   243
  {
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   244
    return false;
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   245
  }
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   246
  
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   247
  // at least one image?
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   248
  if ( empty($artwork_list) )
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   249
    return false;
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   250
  
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   251
  // asort it to make sure map is predictable
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   252
  asort($artwork_list);
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   253
  
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   254
  // number of columns
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  $cols = 20;
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   256
  // number of rows
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   257
  $rows = ceil( count($artwork_list) / $cols );
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   258
  
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   259
  // image dimensions
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   260
  $image_width  = $cols * $size;
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   261
  $image_height = $rows * $size;
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   262
  
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   263
  // create image
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   264
  $collage = imagecreatetruecolor($image_width, $image_height);
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   265
  
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   266
  // generator loop
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   267
  // start at row 0, column 0
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   268
  $col = -1;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
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diff changeset
   269
  $row = 0;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   270
  $srow = $row + 1;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   271
  fwrite($stderr, "  -> row $srow of $rows\r");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
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parents: 33
diff changeset
   272
  $time_map = microtime(true);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
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parents: 33
diff changeset
   273
  foreach ( $artwork_list as $artwork_file )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   274
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   275
    // calculate where we are
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   276
    $col++;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   277
    if ( $col == $cols )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   278
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   279
      // reached column limit, reset $cols and increment row
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   280
      $col = 0;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   281
      $row++;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   282
      $srow = $row + 1;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   283
      fwrite($stderr, "  -> row $srow of $rows\r");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   284
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   285
    // x and y offset of scaled image
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   286
    $xoff = $col * $size;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   287
    $yoff = $row * $size;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   288
    // set offset
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   289
    fwrite($maphandle, "$artwork_file $col $row\n");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   290
    // load image
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   291
    $createfunc = ( get_image_filetype("$artwork_dir/large/$artwork_file") == 'jpg' ) ? 'imagecreatefromjpeg' : 'imagecreatefrompng';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   292
    $aw = @$createfunc("$artwork_dir/large/$artwork_file");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   293
    if ( !$aw )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   294
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   295
      $aw = @imagecreatefromwbmp("$artwork_dir/large/$artwork_file");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   296
      if ( !$aw )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   297
      {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   298
        // couldn't load image, silently continue
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   299
        continue;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   300
      }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   301
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   302
    list($aw_width, $aw_height) = array(imagesx($aw), imagesy($aw));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   303
    // scale and position image
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   304
    $result = imagecopyresampled($collage, $aw, $xoff, $yoff, 0, 0, $size, $size, $aw_width, $aw_height);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   305
    if ( !$result )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   306
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   307
      // couldn't scale image, silently continue
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   308
      continue;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   309
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   310
    // free the temp image
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   311
    imagedestroy($aw);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   312
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   313
  $time_map = round(1000 * (microtime(true) - $time_map));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   314
  $time_write = microtime(true);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   315
  fclose($maphandle);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   316
  fwrite($stderr, "  -> saving image\r");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   317
  if ( !imagepng($collage, $target_file) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   318
    return false;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   319
  imagedestroy($collage);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   320
  $time_write = round(1000 * (microtime(true) - $time_write));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   321
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   322
  $avg = round($time_map / count($artwork_list));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   323
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   324
  status("collage generation complete, returning success; time (ms): map/avg/write $time_map/$avg/$time_write");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   325
  return true;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   326
}
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   327
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   328
/**
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   329
 * Returns an img tag showing artwork from the specified size collage sprite.
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   330
 * @param string Artist
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   331
 * @param string Album
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   332
 * @param int Collage size
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   333
 * @return string
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   334
 */
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   335
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   336
function get_artwork_sprite($artist, $album, $size = 50)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   337
{
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   338
  // import amarok globals
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   339
  global $amarok_home;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   340
  $artwork_dir = "$amarok_home/albumcovers";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   341
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   342
  if ( !is_int($size) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   343
    return '';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   344
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   345
  // hash of cover
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   346
  $coverid = md5(strtolower(trim($artist)) . strtolower(trim($album)));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   347
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   348
  $tag = '<img alt=" " src="/spacer.gif" width="' . $size . '" height="' . $size . '" ';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   349
  if ( file_exists("$artwork_dir/collage_{$size}.map") )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   350
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   351
    $mapdata = parse_collage_map("$artwork_dir/collage_{$size}.map");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   352
    if ( isset($mapdata[$coverid]) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   353
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   354
      $css_x = -1 * $size * $mapdata[$coverid][0];
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   355
      $css_y = -1 * $size * $mapdata[$coverid][1];
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   356
      $tag .= "style=\"background-image: url(/artwork/collage/$size); background-repeat: no-repeat; background-position: {$css_x}px {$css_y}px;\" ";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   357
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   358
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   359
  $tag .= '/>';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   360
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   361
  return $tag;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   362
}
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   363
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   364
/**
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   365
 * Parses the specified artwork map file. Return an associative array, keys being the artwork file hashes and values being array(x, y).
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   366
 * @param string Map file
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   367
 * @return array
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   368
 */
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   369
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   370
function parse_collage_map($mapfile)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   371
{
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   372
  if ( !file_exists($mapfile) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   373
    return array();
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   374
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   375
  $fp = @fopen($mapfile, 'r');
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   376
  if ( !$fp )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   377
    return false;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   378
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   379
  $map = array();
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   380
  while ( $line = fgets($fp) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   381
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   382
    // parse out comments
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   383
    $line = trim(preg_replace('/#(.+)$/', '', $line));
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   384
    if ( empty($line) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   385
      continue;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   386
    list($hash, $x, $y) = explode(' ', $line);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   387
    if ( !preg_match('/^[a-f0-9]{32}$/', $hash) || !preg_match('/^[0-9]+$/', $x) || !preg_match('/^[0-9]+$/', $y) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   388
      // invalid line
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   389
      continue;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   390
      
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   391
    // valid line, append map array
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   392
    $map[$hash] = array(
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   393
        intval($x),
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   394
        intval($y)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   395
      );
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   396
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   397
  fclose($fp);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   398
  return $map;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   399
}
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   400
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   401
/**
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   402
 * Finds out if a collage file is outdated (e.g. missing artwork images)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   403
 * @param int Size of collage
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   404
 * @return bool true if outdated
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   405
 */
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   406
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   407
function collage_is_outdated($size = 50)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   408
{
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   409
  global $amarok_home;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   410
  $artwork_dir = "$amarok_home/albumcovers";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   411
  $mapfile = "$artwork_dir/collage_{$size}.map";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   412
  if ( !file_exists($mapfile) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   413
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   414
    // consider it outdated if it doesn't exist
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   415
    return true;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   416
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   417
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   418
  // load existing image map
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   419
  $map = parse_collage_map($mapfile);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   420
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   421
  // build a list of existing artwork files
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   422
  $artwork_list = array();
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   423
  if ( $dh = @opendir("$artwork_dir/large") )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   424
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   425
    while ( $fp = @readdir($dh) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   426
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   427
      if ( preg_match('/^[a-f0-9]{32}$/', $fp) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   428
      {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   429
        // found an artwork file
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   430
        if ( !isset($map[$fp]) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   431
        {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   432
          // this artwork isn't in the map file, return outdated
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   433
          closedir($dh);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   434
          status("size $size collage is outdated");
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   435
          return true;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   436
        }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   437
      }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   438
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   439
    closedir($dh);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   440
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   441
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   442
  // if we reach here, we haven't found anything missing.
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   443
  return false;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   444
}
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   445
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   446
/**
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   447
 * Smarty function for sprite generation.
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   448
 * @access private
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   449
 */
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   450
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   451
function smarty_function_sprite($params, &$smarty)
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   452
{
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   453
  // don't perform the exhaustive check more than once per execution
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   454
  static $checks_done = array();
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   455
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   456
  if ( empty($params['artist']) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   457
    return 'Error: missing "artist" parameter';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   458
  if ( empty($params['album']) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   459
    return 'Error: missing "album" parameter';
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   460
  if ( empty($params['size']) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   461
    $params['size'] = 50;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   462
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   463
  $params['size'] = intval($params['size']);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   464
  $size =& $params['size'];
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   465
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   466
  // if the collage file doesn't exist or is missing artwork, renew it
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   467
  // but only perform this check once per execution per size
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   468
  if ( !isset($checks_done[$size]) )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   469
  {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   470
    global $amarok_home;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   471
    $artwork_dir = "$amarok_home/albumcovers";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   472
    
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   473
    $collage_file = "$artwork_dir/collage_{$size}";
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   474
    $collage_is_good = file_exists("$collage_file.png") && file_exists("$collage_file.map") && !collage_is_outdated($size);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   475
    if ( !$collage_is_good )
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   476
    {
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   477
      generate_artwork_collage("$collage_file.png", $size);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   478
    }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   479
    $checks_done[$size] = true;
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   480
  }
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   481
  
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   482
  return get_artwork_sprite($params['artist'], $params['album'], $params['size']);
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   483
}
bd3372a2afc1 Added artwork spriting support. Artwork is now displayed using a gigantic CSS sprite instead of hundreds of little images. GD required.
Dan
parents: 33
diff changeset
   484