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: 2004-08-29 16:56:05 +0000 (Sun, 29 Aug 2004) $ |
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10 | // | last modifier : $Author: gweltas $ |
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11 | // | revision : $Revision: 504 $ |
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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' and $file != '.' |
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39 | and $file != '..' and is_dir( $dir.'/'.$file ) ) |
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40 | { |
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41 | array_push( $sub_dirs, $file ); |
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42 | } |
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43 | } |
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44 | } |
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45 | return $sub_dirs; |
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46 | } |
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47 | |
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48 | // get_images_without_thumbnail returns an array with all the picture names |
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49 | // that don't have associated thumbnail in the directory. Each picture name |
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50 | // is associated with the width, heigh and filesize of the picture. |
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51 | function get_images_without_thumbnail( $dir ) |
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52 | { |
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53 | $images = array(); |
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54 | if ( $opendir = opendir( $dir ) ) |
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55 | { |
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56 | while ( $file = readdir( $opendir ) ) |
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57 | { |
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58 | $path = $dir.'/'.$file; |
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59 | if ( is_image( $path, true ) ) |
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60 | { |
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61 | if ( !TN_exists( $dir, $file ) ) |
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62 | { |
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63 | $image_infos = getimagesize( $path ); |
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64 | $size = floor( filesize( $path ) / 1024 ). ' KB'; |
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65 | array_push( $images, array( 'name' => $file, |
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66 | 'width' => $image_infos[0], |
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67 | 'height' => $image_infos[1], |
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68 | 'size' => $size ) ); |
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69 | } |
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70 | } |
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71 | } |
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72 | } |
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73 | return $images; |
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74 | } |
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75 | |
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76 | // phpwg_scandir scans a dir to find pictures without thumbnails. Once found, |
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77 | // creation of the thumbnails (RatioResizeImg). Only the first $_POST['n'] |
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78 | // pictures without thumbnails are treated. |
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79 | // scandir returns an array with the generation time of each thumbnail (for |
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80 | // statistics purpose) |
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81 | function phpwg_scandir( $dir, $width, $height ) |
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82 | { |
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83 | global $conf; |
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84 | $stats = array(); |
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85 | if ( $opendir = opendir( $dir ) ) |
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86 | { |
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87 | while ( $file = readdir ( $opendir ) ) |
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88 | { |
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89 | $path = $dir.'/'.$file; |
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90 | if ( is_image( $path, true ) ) |
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91 | { |
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92 | if ( count( $stats ) < $_POST['n'] and !TN_exists( $dir, $file ) ) |
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93 | { |
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94 | $starttime = get_moment(); |
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95 | $info = RatioResizeImg( $file, $width, $height, $dir.'/', 'jpg' ); |
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96 | $endtime = get_moment(); |
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97 | $info['time'] = ( $endtime - $starttime ) * 1000; |
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98 | array_push( $stats, $info ); |
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99 | } |
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100 | } |
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101 | } |
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102 | } |
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103 | return $stats; |
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104 | } |
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105 | |
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106 | // RatioResizeImg creates a new picture (a thumbnail since it is supposed to |
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107 | // be smaller than original picture !) in the sub directory named |
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108 | // "thumbnail". |
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109 | function RatioResizeImg( $filename, $newWidth, $newHeight, $path, $tn_ext ) |
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110 | { |
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111 | global $conf, $lang; |
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112 | // full path to picture |
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113 | $filepath = $path.$filename; |
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114 | // extension of the picture filename |
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115 | $extension = get_extension( $filepath ); |
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116 | switch( $extension ) |
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117 | { |
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118 | case 'jpg': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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119 | case 'JPG': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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120 | case 'png': $srcImage = @imagecreatefrompng( $filepath ); break; |
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121 | case 'PNG': $srcImage = @imagecreatefrompng( $filepath ); break; |
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122 | default : unset( $extension ); break; |
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123 | } |
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124 | |
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125 | if ( isset( $srcImage ) ) |
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126 | { |
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127 | // width/height |
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128 | $srcWidth = imagesx( $srcImage ); |
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129 | $srcHeight = imagesy( $srcImage ); |
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130 | $ratioWidth = $srcWidth/$newWidth; |
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131 | $ratioHeight = $srcHeight/$newHeight; |
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132 | |
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133 | // maximal size exceeded ? |
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134 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
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135 | { |
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136 | if ( $ratioWidth < $ratioHeight) |
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137 | { |
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138 | $destWidth = $srcWidth/$ratioHeight; |
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139 | $destHeight = $newHeight; |
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140 | } |
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141 | else |
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142 | { |
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143 | $destWidth = $newWidth; |
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144 | $destHeight = $srcHeight/$ratioWidth; |
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145 | } |
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146 | } |
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147 | else |
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148 | { |
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149 | $destWidth = $srcWidth; |
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150 | $destHeight = $srcHeight; |
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151 | } |
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152 | // according to the GD version installed on the server |
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153 | if ( $_POST['gd'] == 2 ) |
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154 | { |
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155 | // GD 2.0 or more recent -> good results (but slower) |
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156 | $destImage = imagecreatetruecolor( $destWidth, $destHeight); |
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157 | imagecopyresampled( $destImage, $srcImage, 0, 0, 0, 0, |
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158 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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159 | } |
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160 | else |
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161 | { |
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162 | // GD prior to version 2 -> pretty bad results :-/ (but fast) |
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163 | $destImage = imagecreate( $destWidth, $destHeight); |
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164 | imagecopyresized( $destImage, $srcImage, 0, 0, 0, 0, |
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165 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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166 | } |
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167 | |
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168 | |
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169 | if( !is_dir( $path.'thumbnail' ) ) |
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170 | { |
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171 | umask( 0000 ); |
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172 | mkdir( $path.'thumbnail', 0777 ); |
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173 | } |
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174 | $dest_file = $path.'thumbnail/'.$conf['prefix_thumbnail']; |
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175 | $dest_file.= get_filename_wo_extension( $filename ); |
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176 | $dest_file.= '.'.$tn_ext; |
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177 | |
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178 | // creation and backup of final picture |
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179 | imagejpeg( $destImage, $dest_file ); |
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180 | // freeing memory ressources |
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181 | imagedestroy( $srcImage ); |
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182 | imagedestroy( $destImage ); |
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183 | |
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184 | list( $width,$height ) = getimagesize( $filepath ); |
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185 | $size = floor( filesize( $filepath ) / 1024 ).' KB'; |
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186 | list( $tn_width,$tn_height ) = getimagesize( $dest_file ); |
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187 | $tn_size = floor( filesize( $dest_file ) / 1024 ).' KB'; |
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188 | $info = array( 'file' => $filename, |
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189 | 'width' => $width, |
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190 | 'height' => $height, |
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191 | 'size' => $size, |
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192 | 'tn_file' => $dest_file, |
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193 | 'tn_width' => $tn_width, |
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194 | 'tn_height' => $tn_height, |
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195 | 'tn_size' => $tn_size ); |
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196 | return $info; |
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197 | } |
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198 | // error |
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199 | else |
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200 | { |
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201 | echo $lang['tn_no_support']." "; |
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202 | if ( isset( $extenstion ) ) |
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203 | { |
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204 | echo $lang['tn_format'].' '.$extension; |
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205 | } |
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206 | else |
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207 | { |
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208 | echo $lang['tn_thisformat']; |
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209 | } |
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210 | exit(); |
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211 | } |
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212 | } |
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213 | |
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214 | // get_displayed_dirs builds the tree of dirs under "galleries". If a |
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215 | // directory contains pictures without thumbnails, the become linked to the |
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216 | // page of thumbnails creation. |
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217 | function get_displayed_dirs( $dir, $indent ) |
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218 | { |
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219 | global $lang; |
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220 | |
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221 | $sub_dirs = get_subdirs( $dir ); |
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222 | $output = ''; |
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223 | if (!empty($sub_dirs)) |
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224 | { |
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225 | $output.='<ul class="menu">'; |
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226 | // write of the dirs |
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227 | foreach ( $sub_dirs as $sub_dir ) { |
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228 | $output.='<li>'; |
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229 | $pictures = get_images_without_thumbnail( $dir.'/'.$sub_dir ); |
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230 | if ( count( $pictures ) > 0 ) |
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231 | { |
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232 | $url = add_session_id(PHPWG_ROOT_PATH.'admin.php?page=thumbnail&dir='.$dir.'/'.$sub_dir); |
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233 | $output.='<a class="adminMenu" href="'.$url.'">'.$sub_dir.'</a> [ '.count( $pictures ).' '; |
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234 | $output.=$lang['thumbnail'].' ]'; |
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235 | } |
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236 | else |
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237 | { |
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238 | $output.=$sub_dir; |
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239 | } |
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240 | // recursive call |
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241 | $output.=get_displayed_dirs( $dir.'/'.$sub_dir, |
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242 | $indent+30 ); |
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243 | $output.='</li>'; |
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244 | } |
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245 | $output.='</ul>'; |
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246 | } |
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247 | return $output; |
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248 | } |
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249 | |
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250 | $errors = array(); |
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251 | $pictures = array(); |
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252 | $stats = array(); |
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253 | |
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254 | if ( isset( $_GET['dir'] ) && isset( $_POST['submit'] )) |
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255 | { |
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256 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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257 | // checking criteria |
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258 | if ( !ereg( "^[0-9]{2,3}$", $_POST['width'] ) or $_POST['width'] < 10 ) |
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259 | { |
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260 | array_push( $errors, $lang['tn_err_width'].' 10' ); |
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261 | } |
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262 | if ( !ereg( "^[0-9]{2,3}$", $_POST['height'] ) or $_POST['height'] < 10 ) |
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263 | { |
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264 | array_push( $errors, $lang['tn_err_height'].' 10' ); |
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265 | } |
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266 | |
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267 | // picture miniaturization |
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268 | if ( count( $errors ) == 0 ) |
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269 | { |
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270 | $stats = phpwg_scandir( $_GET['dir'], $_POST['width'], $_POST['height'] ); |
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271 | } |
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272 | } |
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273 | |
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274 | //----------------------------------------------------- template initialization |
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275 | $template->set_filenames( array('thumbnail'=>'admin/thumbnail.tpl') ); |
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276 | |
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277 | $template->assign_vars(array( |
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278 | 'L_THUMBNAIL_TITLE'=>$lang['tn_dirs_title'], |
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279 | 'L_UNLINK'=>$lang['tn_dirs_alone'], |
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280 | 'L_RESULTS'=>$lang['tn_results_title'], |
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281 | 'L_TN_PICTURE'=>$lang['tn_picture'], |
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282 | 'L_FILESIZE'=>$lang['filesize'], |
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283 | 'L_WIDTH'=>$lang['tn_width'], |
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284 | 'L_HEIGHT'=>$lang['tn_height'], |
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285 | 'L_GENERATED'=>$lang['tn_results_gen_time'], |
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286 | 'L_THUMBNAIL'=>$lang['thumbnail'], |
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287 | 'L_PARAMS'=>$lang['tn_params_title'], |
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288 | 'L_GD'=>$lang['tn_params_GD'], |
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289 | 'L_GD_INFO'=>$lang['tn_params_GD_info'], |
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290 | 'L_WIDTH_INFO'=>$lang['tn_params_width_info'], |
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291 | 'L_HEIGHT_INFO'=>$lang['tn_params_height_info'], |
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292 | 'L_CREATE'=>$lang['tn_params_create'], |
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293 | 'L_CREATE_INFO'=>$lang['tn_params_create_info'], |
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294 | 'L_FORMAT'=>$lang['tn_params_format'], |
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295 | 'L_FORMAT_INFO'=>$lang['tn_params_format_info'], |
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296 | 'L_SUBMIT'=>$lang['submit'], |
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297 | 'L_REMAINING'=>$lang['tn_alone_title'], |
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298 | 'L_TN_STATS'=>$lang['tn_stats'], |
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299 | 'L_TN_NB_STATS'=>$lang['tn_stats_nb'], |
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300 | 'L_TN_TOTAL'=>$lang['tn_stats_total'], |
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301 | 'L_TN_MAX'=>$lang['tn_stats_max'], |
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302 | 'L_TN_MIN'=>$lang['tn_stats_min'], |
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303 | 'L_TN_AVERAGE'=>$lang['tn_stats_mean'], |
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304 | |
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305 | 'T_STYLE'=>$user['template'] |
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306 | )); |
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307 | |
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308 | //----------------------------------------------------- miniaturization results |
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309 | if ( sizeof( $errors ) != 0 ) |
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310 | { |
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311 | $template->assign_block_vars('errors',array()); |
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312 | for ( $i = 0; $i < sizeof( $errors ); $i++ ) |
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313 | { |
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314 | $template->assign_block_vars('errors.error',array('ERROR'=>$errors[$i])); |
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315 | } |
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316 | } |
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317 | else if ( isset( $_GET['dir'] ) && isset( $_POST['submit'] ) && !empty($stats)) |
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318 | { |
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319 | $times = array(); |
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320 | foreach ( $stats as $stat ) { |
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321 | array_push( $times, $stat['time'] ); |
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322 | } |
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323 | $sum=array_sum( $times ); |
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324 | $average = $sum/sizeof($times); |
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325 | sort( $times, SORT_NUMERIC ); |
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326 | $max = array_pop($times); |
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327 | $min = array_shift( $times); |
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328 | |
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329 | $template->assign_block_vars('results',array( |
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330 | 'TN_NB'=>count( $stats ), |
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331 | 'TN_TOTAL'=>number_format( $sum, 2, '.', ' ').' ms', |
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332 | 'TN_MAX'=>number_format( $max, 2, '.', ' ').' ms', |
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333 | 'TN_MIN'=>number_format( $min, 2, '.', ' ').' ms', |
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334 | 'TN_AVERAGE'=>number_format( $average, 2, '.', ' ').' ms' |
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335 | )); |
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336 | if ( !count( $pictures ) ) |
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337 | { |
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338 | $template->assign_block_vars('warning',array()); |
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339 | } |
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340 | |
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341 | foreach ( $stats as $i => $stat ) |
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342 | { |
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343 | $class = ($i % 2)? 'row1':'row2'; |
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344 | $color=''; |
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345 | if ($stat['time']==$max) $color = 'red'; |
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346 | elseif ($stat['time']==$min) $color = '#33FF00'; |
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347 | $template->assign_block_vars('results.picture',array( |
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348 | 'NB_IMG'=>($i+1), |
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349 | 'FILE_IMG'=>$stat['file'], |
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350 | 'FILESIZE_IMG'=>$stat['size'], |
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351 | 'WIDTH_IMG'=>$stat['width'], |
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352 | 'HEIGHT_IMG'=>$stat['height'], |
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353 | 'TN_FILE_IMG'=>$stat['tn_file'], |
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354 | 'TN_FILESIZE_IMG'=>$stat['tn_size'], |
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355 | 'TN_WIDTH_IMG'=>$stat['tn_width'], |
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356 | 'TN_HEIGHT_IMG'=>$stat['tn_height'], |
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357 | 'GEN_TIME'=>number_format( $stat['time'], 2, '.', ' ').' ms', |
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358 | |
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359 | 'T_COLOR'=>$color, |
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360 | 'T_CLASS'=>$class |
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361 | )); |
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362 | } |
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363 | } |
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364 | //-------------------------------------------------- miniaturization parameters |
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365 | if ( isset( $_GET['dir'] ) && !sizeof( $pictures )) |
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366 | { |
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367 | $form_url = PHPWG_ROOT_PATH.'admin.php?page=thumbnail&dir='.$_GET['dir']; |
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368 | $gd = !empty( $_POST['gd'] )?$_POST['gd']:2; |
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369 | $width = !empty( $_POST['width'] )?$_POST['width']:128; |
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370 | $height = !empty( $_POST['height'] )?$_POST['height']:96; |
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371 | $gdlabel = 'GD'.$gd.'_CHECKED'; |
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372 | |
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373 | $template->assign_block_vars('params',array( |
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374 | 'F_ACTION'=>add_session_id($form_url), |
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375 | $gdlabel=>'checked="checked"', |
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376 | 'WIDTH_TN'=>$width, |
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377 | 'HEIGHT_TN'=>$height |
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378 | )); |
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379 | |
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380 | //---------------------------------------------------------- remaining pictures |
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381 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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382 | $template->assign_block_vars('remainings',array('TOTAL_IMG'=>count( $pictures ))); |
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383 | |
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384 | foreach ( $pictures as $i => $picture ) |
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385 | { |
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386 | $class = ($i % 2)? 'row1':'row2'; |
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387 | $template->assign_block_vars('remainings.remaining',array( |
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388 | 'NB_IMG'=>($i+1), |
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389 | 'FILE_TN'=>$picture['name'], |
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390 | 'FILESIZE_IMG'=>$picture['size'], |
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391 | 'WIDTH_IMG'=>$picture['width'], |
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392 | 'HEIGHT_IMG'=>$picture['height'], |
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393 | |
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394 | 'T_CLASS'=>$class |
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395 | )); |
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396 | } |
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397 | } |
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398 | //-------------------------------------------------------------- directory list |
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399 | else |
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400 | { |
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401 | $categories = get_displayed_dirs( './galleries', 60 ); |
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402 | $template->assign_block_vars('directory_list',array('CATEGORY_LIST'=>$categories)); |
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403 | } |
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404 | |
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405 | $template->assign_var_from_handle('ADMIN_CONTENT', 'thumbnail'); |
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406 | ?> |
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