| 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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| 3 | // | thumbnail.php | |
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| 4 | // +-----------------------------------------------------------------------+ |
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| 5 | // | application : PhpWebGallery <http://phpwebgallery.net> | |
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| 6 | // | branch : BSF (Best So Far) | |
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| 7 | // +-----------------------------------------------------------------------+ |
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| 8 | // | file : $RCSfile$ |
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| 9 | // | last update : $Date: 2004-10-25 20:42:13 +0000 (Mon, 25 Oct 2004) $ |
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| 10 | // | last modifier : $Author: z0rglub $ |
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| 11 | // | revision : $Revision: 586 $ |
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| 12 | // +-----------------------------------------------------------------------+ |
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| 13 | // | This program is free software; you can redistribute it and/or modify | |
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| 14 | // | it under the terms of the GNU General Public License as published by | |
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| 15 | // | the Free Software Foundation | |
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| 16 | // | | |
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| 17 | // | This program is distributed in the hope that it will be useful, but | |
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| 18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 20 | // | General Public License for more details. | |
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| 21 | // | | |
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| 22 | // | You should have received a copy of the GNU General Public License | |
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| 23 | // | along with this program; if not, write to the Free Software | |
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| 24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 25 | // | USA. | |
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| 26 | // +-----------------------------------------------------------------------+ |
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| 27 | include_once( PHPWG_ROOT_PATH.'admin/include/isadmin.inc.php' ); |
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| 28 | //------------------------------------------------------------------- functions |
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| 29 | // get_subdirs returns an array containing all sub directory names, |
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| 30 | // excepting : '.', '..' and 'thumbnail'. |
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| 31 | function get_subdirs( $dir ) |
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| 32 | { |
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| 33 | $sub_dirs = array(); |
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| 34 | if ( $opendir = opendir( $dir ) ) |
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| 35 | { |
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| 36 | while ( $file = readdir( $opendir ) ) |
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| 37 | { |
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| 38 | if ($file != 'thumbnail' |
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| 39 | and $file != 'pwg_representative' |
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| 40 | and $file != 'pwg_high' |
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| 41 | and $file != '.' |
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| 42 | and $file != '..' |
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| 43 | and is_dir($dir.'/'.$file)) |
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| 44 | { |
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| 45 | array_push( $sub_dirs, $file ); |
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| 46 | } |
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| 47 | } |
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| 48 | } |
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| 49 | return $sub_dirs; |
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| 50 | } |
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| 51 | |
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| 52 | // get_images_without_thumbnail returns an array with all the picture names |
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| 53 | // that don't have associated thumbnail in the directory. Each picture name |
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| 54 | // is associated with the width, heigh and filesize of the picture. |
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| 55 | function get_images_without_thumbnail( $dir ) |
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| 56 | { |
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| 57 | $images = array(); |
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| 58 | if ( $opendir = opendir( $dir ) ) |
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| 59 | { |
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| 60 | while ( $file = readdir( $opendir ) ) |
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| 61 | { |
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| 62 | $path = $dir.'/'.$file; |
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| 63 | if ( is_image( $path, true ) ) |
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| 64 | { |
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| 65 | if ( !TN_exists( $dir, $file ) ) |
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| 66 | { |
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| 67 | $image_infos = getimagesize( $path ); |
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| 68 | $size = floor( filesize( $path ) / 1024 ). ' KB'; |
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| 69 | array_push( $images, array( 'name' => $file, |
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| 70 | 'width' => $image_infos[0], |
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| 71 | 'height' => $image_infos[1], |
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| 72 | 'size' => $size ) ); |
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| 73 | } |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | return $images; |
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| 78 | } |
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| 79 | |
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| 80 | // phpwg_scandir scans a dir to find pictures without thumbnails. Once found, |
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| 81 | // creation of the thumbnails (RatioResizeImg). Only the first $_POST['n'] |
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| 82 | // pictures without thumbnails are treated. |
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| 83 | // scandir returns an array with the generation time of each thumbnail (for |
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| 84 | // statistics purpose) |
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| 85 | function phpwg_scandir( $dir, $width, $height ) |
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| 86 | { |
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| 87 | global $conf; |
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| 88 | $stats = array(); |
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| 89 | if ( $opendir = opendir( $dir ) ) |
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| 90 | { |
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| 91 | while ( $file = readdir ( $opendir ) ) |
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| 92 | { |
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| 93 | $path = $dir.'/'.$file; |
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| 94 | if ( is_image( $path, true ) ) |
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| 95 | { |
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| 96 | if ( count( $stats ) < $_POST['n'] and !TN_exists( $dir, $file ) ) |
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| 97 | { |
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| 98 | $starttime = get_moment(); |
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| 99 | $info = RatioResizeImg( $file, $width, $height, $dir.'/', 'jpg' ); |
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| 100 | $endtime = get_moment(); |
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| 101 | $info['time'] = ( $endtime - $starttime ) * 1000; |
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| 102 | array_push( $stats, $info ); |
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| 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | return $stats; |
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| 108 | } |
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| 109 | |
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| 110 | // RatioResizeImg creates a new picture (a thumbnail since it is supposed to |
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| 111 | // be smaller than original picture !) in the sub directory named |
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| 112 | // "thumbnail". |
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| 113 | function RatioResizeImg( $filename, $newWidth, $newHeight, $path, $tn_ext ) |
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| 114 | { |
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| 115 | global $conf, $lang; |
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| 116 | // full path to picture |
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| 117 | $filepath = $path.$filename; |
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| 118 | // extension of the picture filename |
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| 119 | $extension = get_extension( $filepath ); |
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| 120 | switch( $extension ) |
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| 121 | { |
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| 122 | case 'jpg': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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| 123 | case 'JPG': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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| 124 | case 'png': $srcImage = @imagecreatefrompng( $filepath ); break; |
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| 125 | case 'PNG': $srcImage = @imagecreatefrompng( $filepath ); break; |
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| 126 | default : unset( $extension ); break; |
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| 127 | } |
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| 128 | |
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| 129 | if ( isset( $srcImage ) ) |
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| 130 | { |
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| 131 | // width/height |
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| 132 | $srcWidth = imagesx( $srcImage ); |
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| 133 | $srcHeight = imagesy( $srcImage ); |
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| 134 | $ratioWidth = $srcWidth/$newWidth; |
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| 135 | $ratioHeight = $srcHeight/$newHeight; |
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| 136 | |
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| 137 | // maximal size exceeded ? |
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| 138 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
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| 139 | { |
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| 140 | if ( $ratioWidth < $ratioHeight) |
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| 141 | { |
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| 142 | $destWidth = $srcWidth/$ratioHeight; |
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| 143 | $destHeight = $newHeight; |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 147 | $destWidth = $newWidth; |
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| 148 | $destHeight = $srcHeight/$ratioWidth; |
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| 149 | } |
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| 150 | } |
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| 151 | else |
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| 152 | { |
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| 153 | $destWidth = $srcWidth; |
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| 154 | $destHeight = $srcHeight; |
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| 155 | } |
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| 156 | // according to the GD version installed on the server |
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| 157 | if ( $_POST['gd'] == 2 ) |
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| 158 | { |
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| 159 | // GD 2.0 or more recent -> good results (but slower) |
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| 160 | $destImage = imagecreatetruecolor( $destWidth, $destHeight); |
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| 161 | imagecopyresampled( $destImage, $srcImage, 0, 0, 0, 0, |
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| 162 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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| 163 | } |
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| 164 | else |
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| 165 | { |
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| 166 | // GD prior to version 2 -> pretty bad results :-/ (but fast) |
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| 167 | $destImage = imagecreate( $destWidth, $destHeight); |
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| 168 | imagecopyresized( $destImage, $srcImage, 0, 0, 0, 0, |
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| 169 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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| 170 | } |
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| 171 | |
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| 172 | |
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| 173 | if( !is_dir( $path.'thumbnail' ) ) |
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| 174 | { |
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| 175 | umask( 0000 ); |
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| 176 | mkdir( $path.'thumbnail', 0777 ); |
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| 177 | } |
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| 178 | $dest_file = $path.'thumbnail/'.$conf['prefix_thumbnail']; |
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| 179 | $dest_file.= get_filename_wo_extension( $filename ); |
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| 180 | $dest_file.= '.'.$tn_ext; |
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| 181 | |
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| 182 | // creation and backup of final picture |
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| 183 | imagejpeg( $destImage, $dest_file ); |
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| 184 | // freeing memory ressources |
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| 185 | imagedestroy( $srcImage ); |
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| 186 | imagedestroy( $destImage ); |
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| 187 | |
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| 188 | list( $width,$height ) = getimagesize( $filepath ); |
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| 189 | $size = floor( filesize( $filepath ) / 1024 ).' KB'; |
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| 190 | list( $tn_width,$tn_height ) = getimagesize( $dest_file ); |
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| 191 | $tn_size = floor( filesize( $dest_file ) / 1024 ).' KB'; |
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| 192 | $info = array( 'file' => $filename, |
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| 193 | 'width' => $width, |
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| 194 | 'height' => $height, |
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| 195 | 'size' => $size, |
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| 196 | 'tn_file' => $dest_file, |
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| 197 | 'tn_width' => $tn_width, |
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| 198 | 'tn_height' => $tn_height, |
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| 199 | 'tn_size' => $tn_size ); |
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| 200 | return $info; |
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| 201 | } |
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| 202 | // error |
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| 203 | else |
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| 204 | { |
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| 205 | echo $lang['tn_no_support']." "; |
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| 206 | if ( isset( $extenstion ) ) |
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| 207 | { |
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| 208 | echo $lang['tn_format'].' '.$extension; |
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| 209 | } |
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| 210 | else |
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| 211 | { |
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| 212 | echo $lang['tn_thisformat']; |
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| 213 | } |
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| 214 | exit(); |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | // get_displayed_dirs builds the tree of dirs under "galleries". If a |
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| 219 | // directory contains pictures without thumbnails, the become linked to the |
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| 220 | // page of thumbnails creation. |
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| 221 | function get_displayed_dirs( $dir, $indent ) |
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| 222 | { |
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| 223 | global $lang; |
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| 224 | |
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| 225 | $sub_dirs = get_subdirs( $dir ); |
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| 226 | $output = ''; |
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| 227 | if (!empty($sub_dirs)) |
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| 228 | { |
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| 229 | $output.='<ul class="menu">'; |
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| 230 | // write of the dirs |
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| 231 | foreach ( $sub_dirs as $sub_dir ) { |
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| 232 | $output.='<li>'; |
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| 233 | $pictures = get_images_without_thumbnail( $dir.'/'.$sub_dir ); |
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| 234 | if ( count( $pictures ) > 0 ) |
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| 235 | { |
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| 236 | $url = add_session_id(PHPWG_ROOT_PATH.'admin.php?page=thumbnail&dir='.$dir.'/'.$sub_dir); |
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| 237 | $output.='<a class="adminMenu" href="'.$url.'">'.$sub_dir.'</a> [ '.count( $pictures ).' '; |
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| 238 | $output.=$lang['thumbnail'].' ]'; |
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| 239 | } |
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| 240 | else |
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| 241 | { |
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| 242 | $output.=$sub_dir; |
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| 243 | } |
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| 244 | // recursive call |
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| 245 | $output.=get_displayed_dirs( $dir.'/'.$sub_dir, |
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| 246 | $indent+30 ); |
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| 247 | $output.='</li>'; |
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| 248 | } |
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| 249 | $output.='</ul>'; |
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| 250 | } |
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| 251 | return $output; |
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| 252 | } |
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| 253 | |
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| 254 | $errors = array(); |
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| 255 | $pictures = array(); |
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| 256 | $stats = array(); |
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| 257 | |
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| 258 | if ( isset( $_GET['dir'] ) && isset( $_POST['submit'] )) |
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| 259 | { |
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| 260 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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| 261 | // checking criteria |
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| 262 | if ( !ereg( "^[0-9]{2,3}$", $_POST['width'] ) or $_POST['width'] < 10 ) |
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| 263 | { |
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| 264 | array_push( $errors, $lang['tn_err_width'].' 10' ); |
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| 265 | } |
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| 266 | if ( !ereg( "^[0-9]{2,3}$", $_POST['height'] ) or $_POST['height'] < 10 ) |
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| 267 | { |
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| 268 | array_push( $errors, $lang['tn_err_height'].' 10' ); |
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| 269 | } |
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| 270 | |
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| 271 | // picture miniaturization |
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| 272 | if ( count( $errors ) == 0 ) |
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| 273 | { |
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| 274 | $stats = phpwg_scandir( $_GET['dir'], $_POST['width'], $_POST['height'] ); |
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| 275 | } |
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| 276 | } |
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| 277 | |
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| 278 | //----------------------------------------------------- template initialization |
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| 279 | $template->set_filenames( array('thumbnail'=>'admin/thumbnail.tpl') ); |
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| 280 | |
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| 281 | $template->assign_vars(array( |
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| 282 | 'L_THUMBNAIL_TITLE'=>$lang['tn_dirs_title'], |
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| 283 | 'L_UNLINK'=>$lang['tn_dirs_alone'], |
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| 284 | 'L_RESULTS'=>$lang['tn_results_title'], |
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| 285 | 'L_TN_PICTURE'=>$lang['tn_picture'], |
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| 286 | 'L_FILESIZE'=>$lang['filesize'], |
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| 287 | 'L_WIDTH'=>$lang['tn_width'], |
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| 288 | 'L_HEIGHT'=>$lang['tn_height'], |
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| 289 | 'L_GENERATED'=>$lang['tn_results_gen_time'], |
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| 290 | 'L_THUMBNAIL'=>$lang['thumbnail'], |
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| 291 | 'L_PARAMS'=>$lang['tn_params_title'], |
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| 292 | 'L_GD'=>$lang['tn_params_GD'], |
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| 293 | 'L_GD_INFO'=>$lang['tn_params_GD_info'], |
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| 294 | 'L_WIDTH_INFO'=>$lang['tn_params_width_info'], |
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| 295 | 'L_HEIGHT_INFO'=>$lang['tn_params_height_info'], |
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| 296 | 'L_CREATE'=>$lang['tn_params_create'], |
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| 297 | 'L_CREATE_INFO'=>$lang['tn_params_create_info'], |
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| 298 | 'L_FORMAT'=>$lang['tn_params_format'], |
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| 299 | 'L_FORMAT_INFO'=>$lang['tn_params_format_info'], |
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| 300 | 'L_SUBMIT'=>$lang['submit'], |
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| 301 | 'L_REMAINING'=>$lang['tn_alone_title'], |
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| 302 | 'L_TN_STATS'=>$lang['tn_stats'], |
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| 303 | 'L_TN_NB_STATS'=>$lang['tn_stats_nb'], |
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| 304 | 'L_TN_TOTAL'=>$lang['tn_stats_total'], |
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| 305 | 'L_TN_MAX'=>$lang['tn_stats_max'], |
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| 306 | 'L_TN_MIN'=>$lang['tn_stats_min'], |
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| 307 | 'L_TN_AVERAGE'=>$lang['tn_stats_mean'], |
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| 308 | |
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| 309 | 'T_STYLE'=>$user['template'] |
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| 310 | )); |
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| 311 | |
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| 312 | //----------------------------------------------------- miniaturization results |
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| 313 | if ( sizeof( $errors ) != 0 ) |
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| 314 | { |
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| 315 | $template->assign_block_vars('errors',array()); |
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| 316 | for ( $i = 0; $i < sizeof( $errors ); $i++ ) |
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| 317 | { |
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| 318 | $template->assign_block_vars('errors.error',array('ERROR'=>$errors[$i])); |
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| 319 | } |
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| 320 | } |
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| 321 | else if ( isset( $_GET['dir'] ) && isset( $_POST['submit'] ) && !empty($stats)) |
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| 322 | { |
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| 323 | $times = array(); |
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| 324 | foreach ( $stats as $stat ) { |
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| 325 | array_push( $times, $stat['time'] ); |
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| 326 | } |
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| 327 | $sum=array_sum( $times ); |
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| 328 | $average = $sum/sizeof($times); |
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| 329 | sort( $times, SORT_NUMERIC ); |
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| 330 | $max = array_pop($times); |
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| 331 | $min = array_shift( $times); |
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| 332 | |
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| 333 | $template->assign_block_vars('results',array( |
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| 334 | 'TN_NB'=>count( $stats ), |
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| 335 | 'TN_TOTAL'=>number_format( $sum, 2, '.', ' ').' ms', |
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| 336 | 'TN_MAX'=>number_format( $max, 2, '.', ' ').' ms', |
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| 337 | 'TN_MIN'=>number_format( $min, 2, '.', ' ').' ms', |
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| 338 | 'TN_AVERAGE'=>number_format( $average, 2, '.', ' ').' ms' |
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| 339 | )); |
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| 340 | if ( !count( $pictures ) ) |
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| 341 | { |
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| 342 | $template->assign_block_vars('warning',array()); |
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| 343 | } |
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| 344 | |
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| 345 | foreach ( $stats as $i => $stat ) |
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| 346 | { |
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| 347 | $class = ($i % 2)? 'row1':'row2'; |
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| 348 | $color=''; |
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| 349 | if ($stat['time']==$max) $color = 'red'; |
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| 350 | elseif ($stat['time']==$min) $color = '#33FF00'; |
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| 351 | $template->assign_block_vars('results.picture',array( |
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| 352 | 'NB_IMG'=>($i+1), |
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| 353 | 'FILE_IMG'=>$stat['file'], |
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| 354 | 'FILESIZE_IMG'=>$stat['size'], |
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| 355 | 'WIDTH_IMG'=>$stat['width'], |
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| 356 | 'HEIGHT_IMG'=>$stat['height'], |
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| 357 | 'TN_FILE_IMG'=>$stat['tn_file'], |
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| 358 | 'TN_FILESIZE_IMG'=>$stat['tn_size'], |
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| 359 | 'TN_WIDTH_IMG'=>$stat['tn_width'], |
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| 360 | 'TN_HEIGHT_IMG'=>$stat['tn_height'], |
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| 361 | 'GEN_TIME'=>number_format( $stat['time'], 2, '.', ' ').' ms', |
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| 362 | |
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| 363 | 'T_COLOR'=>$color, |
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| 364 | 'T_CLASS'=>$class |
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| 365 | )); |
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| 366 | } |
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| 367 | } |
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| 368 | //-------------------------------------------------- miniaturization parameters |
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| 369 | if ( isset( $_GET['dir'] ) && !sizeof( $pictures )) |
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| 370 | { |
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| 371 | $form_url = PHPWG_ROOT_PATH.'admin.php?page=thumbnail&dir='.$_GET['dir']; |
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| 372 | $gd = !empty( $_POST['gd'] )?$_POST['gd']:2; |
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| 373 | $width = !empty( $_POST['width'] )?$_POST['width']:128; |
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| 374 | $height = !empty( $_POST['height'] )?$_POST['height']:96; |
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| 375 | $gdlabel = 'GD'.$gd.'_CHECKED'; |
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| 376 | |
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| 377 | $template->assign_block_vars('params',array( |
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| 378 | 'F_ACTION'=>add_session_id($form_url), |
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| 379 | $gdlabel=>'checked="checked"', |
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| 380 | 'WIDTH_TN'=>$width, |
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| 381 | 'HEIGHT_TN'=>$height |
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| 382 | )); |
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| 383 | |
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| 384 | //---------------------------------------------------------- remaining pictures |
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| 385 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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| 386 | $template->assign_block_vars('remainings',array('TOTAL_IMG'=>count( $pictures ))); |
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| 387 | |
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| 388 | foreach ( $pictures as $i => $picture ) |
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| 389 | { |
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| 390 | $class = ($i % 2)? 'row1':'row2'; |
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| 391 | $template->assign_block_vars('remainings.remaining',array( |
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| 392 | 'NB_IMG'=>($i+1), |
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| 393 | 'FILE_TN'=>$picture['name'], |
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| 394 | 'FILESIZE_IMG'=>$picture['size'], |
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| 395 | 'WIDTH_IMG'=>$picture['width'], |
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| 396 | 'HEIGHT_IMG'=>$picture['height'], |
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| 397 | |
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| 398 | 'T_CLASS'=>$class |
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| 399 | )); |
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| 400 | } |
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| 401 | } |
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| 402 | //-------------------------------------------------------------- directory list |
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| 403 | else |
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| 404 | { |
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| 405 | $categories = get_displayed_dirs( './galleries', 60 ); |
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| 406 | $template->assign_block_vars('directory_list',array('CATEGORY_LIST'=>$categories)); |
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| 407 | } |
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| 408 | |
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| 409 | $template->assign_var_from_handle('ADMIN_CONTENT', 'thumbnail'); |
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| 410 | ?> |
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