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 1.3 <http://phpwebgallery.net> * |
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6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
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7 | * * |
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8 | * $Id: thumbnail.php 557 2004-10-07 21:42:22Z z0rglub $ |
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9 | * * |
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10 | ***************************************************************************/ |
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11 | |
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12 | /*************************************************************************** |
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13 | * * |
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14 | * This program is free software; you can redistribute it and/or modify * |
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15 | * it under the terms of the GNU General Public License as published by * |
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16 | * the Free Software Foundation; * |
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17 | * * |
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18 | ***************************************************************************/ |
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19 | include_once( './include/isadmin.inc.php' ); |
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20 | //------------------------------------------------------------------- functions |
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21 | // get_subdirs returns an array containing all sub directory names, |
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22 | // excepting : '.', '..' and 'thumbnail'. |
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23 | function get_subdirs( $dir ) |
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24 | { |
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25 | $sub_dirs = array(); |
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26 | if ( $opendir = opendir( $dir ) ) |
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27 | { |
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28 | while ( $file = readdir( $opendir ) ) |
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29 | { |
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30 | if ( $file != 'thumbnail' and $file != '.' |
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31 | and $file != '..' and is_dir( $dir.'/'.$file ) ) |
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32 | { |
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33 | array_push( $sub_dirs, $file ); |
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34 | } |
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35 | } |
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36 | } |
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37 | return $sub_dirs; |
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38 | } |
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39 | |
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40 | // get_images_without_thumbnail returns an array with all the picture names |
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41 | // that don't have associated thumbnail in the directory. Each picture name |
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42 | // is associated with the width, heigh and filesize of the picture. |
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43 | function get_images_without_thumbnail( $dir ) |
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44 | { |
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45 | $images = array(); |
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46 | if ( $opendir = opendir( $dir ) ) |
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47 | { |
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48 | while ( $file = readdir( $opendir ) ) |
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49 | { |
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50 | if (preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) |
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51 | { |
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52 | $path = $dir.'/'.$file; |
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53 | if ( is_image( $path, true ) ) |
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54 | { |
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55 | if ( !TN_exists( $dir, $file ) ) |
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56 | { |
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57 | $image_infos = getimagesize( $path ); |
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58 | $size = floor( filesize( $path ) / 1024 ). ' KB'; |
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59 | array_push( $images, array( 'name' => $file, |
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60 | 'width' => $image_infos[0], |
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61 | 'height' => $image_infos[1], |
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62 | 'size' => $size ) ); |
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63 | } |
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64 | } |
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65 | } |
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66 | } |
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67 | } |
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68 | return $images; |
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69 | } |
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70 | |
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71 | // pwg_scandir scans a dir to find pictures without thumbnails. Once found, |
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72 | // creation of the thumbnails (RatioResizeImg). Only the first $_POST['n'] |
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73 | // pictures without thumbnails are treated. |
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74 | // pwg_scandir returns an array with the generation time of each thumbnail (for |
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75 | // statistics purpose) |
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76 | function pwg_scandir( $dir, $width, $height ) |
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77 | { |
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78 | global $conf; |
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79 | $stats = array(); |
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80 | if ( $opendir = opendir( $dir ) ) |
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81 | { |
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82 | while ( $file = readdir ( $opendir ) ) |
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83 | { |
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84 | $path = $dir.'/'.$file; |
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85 | if ( is_image( $path, true ) ) |
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86 | { |
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87 | if ( count( $stats ) < $_POST['n'] and !TN_exists( $dir, $file ) ) |
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88 | { |
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89 | $starttime = get_moment(); |
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90 | $info = RatioResizeImg( $file, $width, $height, $dir.'/', 'jpg' ); |
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91 | $endtime = get_moment(); |
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92 | $info['time'] = ( $endtime - $starttime ) * 1000; |
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93 | array_push( $stats, $info ); |
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94 | } |
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95 | } |
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96 | } |
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97 | } |
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98 | return $stats; |
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99 | } |
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100 | |
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101 | // RatioResizeImg creates a new picture (a thumbnail since it is supposed to |
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102 | // be smaller than original picture !) in the sub directory named |
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103 | // "thumbnail". |
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104 | function RatioResizeImg( $filename, $newWidth, $newHeight, $path, $tn_ext ) |
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105 | { |
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106 | global $conf, $lang; |
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107 | // full path to picture |
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108 | $filepath = $path.$filename; |
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109 | // extension of the picture filename |
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110 | $extension = get_extension( $filepath ); |
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111 | switch( $extension ) |
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112 | { |
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113 | case 'jpg': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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114 | case 'JPG': $srcImage = @imagecreatefromjpeg( $filepath ); break; |
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115 | case 'png': $srcImage = @imagecreatefrompng( $filepath ); break; |
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116 | case 'PNG': $srcImage = @imagecreatefrompng( $filepath ); break; |
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117 | default : unset( $extension ); break; |
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118 | } |
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119 | |
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120 | if ( isset( $srcImage ) ) |
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121 | { |
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122 | // width/height |
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123 | $srcWidth = imagesx( $srcImage ); |
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124 | $srcHeight = imagesy( $srcImage ); |
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125 | $ratioWidth = $srcWidth/$newWidth; |
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126 | $ratioHeight = $srcHeight/$newHeight; |
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127 | |
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128 | // maximal size exceeded ? |
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129 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
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130 | { |
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131 | if ( $ratioWidth < $ratioHeight) |
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132 | { |
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133 | $destWidth = $srcWidth/$ratioHeight; |
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134 | $destHeight = $newHeight; |
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135 | } |
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136 | else |
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137 | { |
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138 | $destWidth = $newWidth; |
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139 | $destHeight = $srcHeight/$ratioWidth; |
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140 | } |
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141 | } |
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142 | else |
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143 | { |
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144 | $destWidth = $srcWidth; |
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145 | $destHeight = $srcHeight; |
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146 | } |
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147 | // according to the GD version installed on the server |
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148 | if ( $_POST['gd'] == 2 ) |
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149 | { |
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150 | // GD 2.0 or more recent -> good results (but slower) |
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151 | $destImage = imagecreatetruecolor( $destWidth, $destHeight); |
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152 | imagecopyresampled( $destImage, $srcImage, 0, 0, 0, 0, |
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153 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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154 | } |
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155 | else |
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156 | { |
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157 | // GD prior to version 2 -> pretty bad results :-/ (but fast) |
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158 | $destImage = imagecreate( $destWidth, $destHeight); |
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159 | imagecopyresized( $destImage, $srcImage, 0, 0, 0, 0, |
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160 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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161 | } |
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162 | |
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163 | |
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164 | if( !is_dir( $path.'thumbnail' ) ) |
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165 | { |
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166 | umask( 0000 ); |
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167 | mkdir( $path.'thumbnail', 0777 ); |
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168 | } |
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169 | $dest_file = $path.'thumbnail/'.$conf['prefix_thumbnail']; |
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170 | $dest_file.= get_filename_wo_extension( $filename ); |
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171 | $dest_file.= '.'.$tn_ext; |
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172 | |
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173 | // creation and backup of final picture |
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174 | imagejpeg( $destImage, $dest_file ); |
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175 | // freeing memory ressources |
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176 | imagedestroy( $srcImage ); |
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177 | imagedestroy( $destImage ); |
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178 | |
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179 | list( $width,$height ) = getimagesize( $filepath ); |
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180 | $size = floor( filesize( $filepath ) / 1024 ).' KB'; |
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181 | list( $tn_width,$tn_height ) = getimagesize( $dest_file ); |
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182 | $tn_size = floor( filesize( $dest_file ) / 1024 ).' KB'; |
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183 | $info = array( 'file' => $filename, |
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184 | 'width' => $width, |
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185 | 'height' => $height, |
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186 | 'size' => $size, |
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187 | 'tn_file' => $dest_file, |
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188 | 'tn_width' => $tn_width, |
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189 | 'tn_height' => $tn_height, |
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190 | 'tn_size' => $tn_size ); |
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191 | return $info; |
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192 | } |
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193 | // error |
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194 | else |
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195 | { |
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196 | echo $lang['tn_no_support']." "; |
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197 | if ( isset( $extenstion ) ) |
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198 | { |
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199 | echo $lang['tn_format'].' '.$extension; |
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200 | } |
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201 | else |
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202 | { |
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203 | echo $lang['tn_thisformat']; |
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204 | } |
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205 | exit(); |
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206 | } |
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207 | } |
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208 | |
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209 | // array_max returns the highest value of the given array |
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210 | function array_max( $array ) |
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211 | { |
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212 | sort( $array, SORT_NUMERIC ); |
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213 | return array_pop( $array ); |
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214 | } |
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215 | |
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216 | // array_min returns the lowest value of the given array |
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217 | function array_min( $array ) |
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218 | { |
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219 | sort( $array, SORT_NUMERIC ); |
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220 | return array_shift( $array ); |
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221 | } |
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222 | |
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223 | // array_avg returns the average value of the array |
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224 | function array_avg( $array ) |
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225 | { |
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226 | return array_sum( $array ) / sizeof( $array ); |
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227 | } |
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228 | |
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229 | // get_displayed_dirs builds the tree of dirs under "galleries". If a |
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230 | // directory contains pictures without thumbnails, the become linked to the |
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231 | // page of thumbnails creation. |
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232 | function get_displayed_dirs( $dir, $indent ) |
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233 | { |
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234 | global $conf,$lang,$vtp,$sub; |
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235 | |
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236 | $sub_dirs = get_subdirs( $dir ); |
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237 | // write of the dirs |
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238 | foreach ( $sub_dirs as $sub_dir ) { |
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239 | $pictures = get_images_without_thumbnail( $dir.'/'.$sub_dir ); |
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240 | $vtp->addSession( $sub, 'dir' ); |
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241 | $vtp->setVar( $sub, 'dir.indent', $indent ); |
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242 | if ( count( $pictures ) > 0 ) |
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243 | { |
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244 | $vtp->addSession( $sub, 'linked' ); |
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245 | $url = './admin.php?page=thumbnail&dir='.$dir."/".$sub_dir; |
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246 | $vtp->setVar( $sub, 'linked.url', add_session_id( $url ) ); |
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247 | $vtp->setVar( $sub, 'linked.name', $sub_dir ); |
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248 | $vtp->setVar( $sub, 'linked.nb_pic', count( $pictures ) ); |
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249 | $vtp->closeSession( $sub, 'linked' ); |
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250 | } |
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251 | else |
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252 | { |
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253 | $vtp->addSession( $sub, 'unlinked' ); |
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254 | $vtp->setVar( $sub, 'unlinked.name', $sub_dir ); |
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255 | $vtp->closeSession( $sub, 'unlinked' ); |
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256 | } |
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257 | $vtp->closeSession( $sub, 'dir' ); |
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258 | // recursive call |
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259 | get_displayed_dirs( $dir.'/'.$sub_dir, |
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260 | $indent+30 ); |
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261 | } |
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262 | } |
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263 | //----------------------------------------------------- template initialization |
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264 | $sub = $vtp->Open( '../template/'.$user['template'].'/admin/thumbnail.vtp' ); |
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265 | $tpl = array( |
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266 | 'tn_dirs_title','tn_dirs_alone','tn_params_title','tn_params_GD', |
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267 | 'tn_params_GD_info','tn_width','tn_params_width_info','tn_height', |
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268 | 'tn_params_height_info','tn_params_create','tn_params_create_info', |
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269 | 'tn_params_format','tn_params_format_info','submit','tn_alone_title', |
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270 | 'filesize','tn_picture','tn_results_title','thumbnail', |
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271 | 'tn_results_gen_time','tn_stats','tn_stats_nb','tn_stats_total', |
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272 | 'tn_stats_max','tn_stats_min','tn_stats_mean' ); |
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273 | templatize_array( $tpl, 'lang', $sub ); |
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274 | $vtp->setGlobalVar( $sub, 'user_template', $user['template'] ); |
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275 | //----------------------------------------------------- miniaturization results |
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276 | if ( isset( $_GET['dir'] ) ) |
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277 | { |
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278 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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279 | if ( count( $pictures ) == 0 ) |
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280 | { |
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281 | $vtp->addSession( $sub, 'warning' ); |
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282 | $vtp->closeSession( $sub, 'warning' ); |
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283 | } |
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284 | elseif ( isset( $_POST['submit'] ) ) |
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285 | { |
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286 | // checking criteria |
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287 | $errors = array(); |
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288 | if ( !ereg( "^[0-9]{2,3}$", $_POST['width'] ) or $_POST['width'] < 10 ) |
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289 | { |
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290 | array_push( $errors, $lang['tn_err_width'].' 10' ); |
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291 | } |
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292 | if ( !ereg( "^[0-9]{2,3}$", $_POST['height'] ) or $_POST['height'] < 10 ) |
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293 | { |
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294 | array_push( $errors, $lang['tn_err_height'].' 10' ); |
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295 | } |
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296 | // picture miniaturization |
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297 | if ( count( $errors ) == 0 ) |
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298 | { |
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299 | $vtp->addSession( $sub, 'results' ); |
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300 | $stats = pwg_scandir( $_GET['dir'], $_POST['width'], $_POST['height'] ); |
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301 | $times = array(); |
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302 | foreach ( $stats as $stat ) { |
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303 | array_push( $times, $stat['time'] ); |
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304 | } |
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305 | $max = array_max( $times ); |
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306 | $min = array_min( $times ); |
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307 | foreach ( $stats as $i => $stat ) { |
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308 | $vtp->addSession( $sub, 'picture' ); |
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309 | if ( $i % 2 == 1 ) |
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310 | { |
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311 | $vtp->setVar( $sub, 'picture.class', 'row2' ); |
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312 | } |
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313 | $vtp->setVar( $sub, 'picture.num', ($i+1) ); |
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314 | $vtp->setVar( $sub, 'picture.file', $stat['file'] ); |
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315 | $vtp->setVar( $sub, 'picture.filesize', $stat['size'] ); |
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316 | $vtp->setVar( $sub, 'picture.width', $stat['width'] ); |
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317 | $vtp->setVar( $sub, 'picture.height', $stat['height'] ); |
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318 | $vtp->setVar( $sub, 'picture.thumb_file', $stat['tn_file'] ); |
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319 | $vtp->setVar( $sub, 'picture.thumb_filesize', $stat['tn_size'] ); |
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320 | $vtp->setVar( $sub, 'picture.thumb_width', $stat['tn_width'] ); |
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321 | $vtp->setVar( $sub, 'picture.thumb_height', $stat['tn_height'] ); |
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322 | $vtp->setVar( $sub, 'picture.time', |
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323 | number_format( $stat['time'], 2, '.', ' ').' ms' ); |
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324 | if ( $stat['time'] == $max ) |
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325 | { |
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326 | $vtp->setVar( $sub, 'picture.color', 'red' ); |
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327 | } |
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328 | else if ( $stat['time'] == $min ) |
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329 | { |
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330 | $vtp->setVar( $sub, 'picture.color', 'green' ); |
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331 | } |
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332 | $vtp->closeSession( $sub, 'picture' ); |
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333 | } |
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334 | // general statistics |
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335 | $vtp->setVar( $sub, 'results.stats_nb', count( $stats ) ); |
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336 | $vtp->setVar( $sub, 'results.stats_total', |
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337 | number_format( array_sum( $times ), 2, '.', ' ').' ms' ); |
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338 | $vtp->setVar( $sub, 'results.stats_max', |
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339 | number_format( $max, 2, '.', ' ').' ms' ); |
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340 | $vtp->setVar( $sub, 'results.stats_min', |
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341 | number_format( $min, 2, '.', ' ').' ms' ); |
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342 | $vtp->setVar( $sub, 'results.stats_mean', |
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343 | number_format( array_avg( $times ), 2, '.', ' ').' ms' ); |
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344 | $vtp->closeSession( $sub, 'results' ); |
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345 | } |
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346 | else |
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347 | { |
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348 | $vtp->addSession( $sub, 'errors' ); |
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349 | foreach ( $errors as $error ) { |
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350 | $vtp->addSession( $sub, 'li' ); |
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351 | $vtp->setVar( $sub, 'li.li', $error ); |
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352 | $vtp->closeSession( $sub, 'li' ); |
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353 | } |
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354 | $vtp->closeSession( $sub, 'errors' ); |
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355 | } |
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356 | } |
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357 | //-------------------------------------------------- miniaturization parameters |
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358 | if ( sizeof( $pictures ) != 0 ) |
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359 | { |
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360 | $vtp->addSession( $sub, 'params' ); |
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361 | $url = './admin.php?page=thumbnail&dir='.$_GET['dir']; |
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362 | $vtp->setVar( $sub, 'params.action', add_session_id( $url ) ); |
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363 | // GD version selected... |
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364 | if ( isset( $_POST['gd'] ) and $_POST['gd'] == 1 ) |
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365 | { |
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366 | $vtp->setVar( $sub, 'params.gd1_checked', ' checked="checked"' ); |
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367 | } |
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368 | else |
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369 | { |
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370 | $vtp->setVar( $sub, 'params.gd2_checked', ' checked="checked"' ); |
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371 | } |
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372 | // width values |
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373 | if ( isset( $_POST['width'] ) ) |
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374 | { |
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375 | $vtp->setVar( $sub, 'params.width_value', $_POST['width'] ); |
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376 | } |
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377 | else |
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378 | { |
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379 | $vtp->setVar( $sub, 'params.width_value', '128' ); |
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380 | } |
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381 | // height value |
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382 | if ( isset( $_POST['height'] ) ) |
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383 | { |
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384 | $vtp->setVar( $sub, 'params.height_value', $_POST['height'] ); |
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385 | } |
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386 | else |
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387 | { |
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388 | $vtp->setVar( $sub, 'params.height_value', '96' ); |
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389 | } |
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390 | // options for the number of picture to miniaturize : "n" |
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391 | $options = array( 5,10,20,40 ); |
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392 | if ( isset( $_POST['n'] ) ) $n = $_POST['n']; |
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393 | else $n = 5; |
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394 | foreach ( $options as $option ) { |
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395 | $vtp->addSession( $sub, 'n_option' ); |
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396 | $vtp->setVar( $sub, 'n_option.option', $option ); |
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397 | if ( $option == $n ) |
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398 | { |
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399 | $vtp->setVar( $sub, 'n_option.selected', ' selected="selected"' ); |
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400 | } |
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401 | $vtp->closeSession( $sub, 'n_option' ); |
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402 | } |
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403 | $vtp->closeSession( $sub, 'params' ); |
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404 | //---------------------------------------------------------- remaining pictures |
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405 | $vtp->addSession( $sub, 'remainings' ); |
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406 | $pictures = get_images_without_thumbnail( $_GET['dir'] ); |
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407 | $vtp->setVar( $sub, 'remainings.total', count( $pictures ) ); |
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408 | foreach ( $pictures as $i => $picture ) { |
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409 | $vtp->addSession( $sub, 'remaining' ); |
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410 | if ( $i % 2 == 1 ) |
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411 | { |
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412 | $vtp->setVar( $sub, 'remaining.class', 'row2' ); |
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413 | } |
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414 | $vtp->setVar( $sub, 'remaining.num', ($i+1) ); |
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415 | $vtp->setVar( $sub, 'remaining.file', $picture['name'] ); |
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416 | $vtp->setVar( $sub, 'remaining.filesize', $picture['size'] ); |
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417 | $vtp->setVar( $sub, 'remaining.width', $picture['width'] ); |
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418 | $vtp->setVar( $sub, 'remaining.height', $picture['height'] ); |
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419 | $vtp->closeSession( $sub, 'remaining' ); |
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420 | } |
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421 | $vtp->closeSession( $sub, 'remainings' ); |
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422 | } |
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423 | } |
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424 | //-------------------------------------------------------------- directory list |
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425 | else |
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426 | { |
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427 | $vtp->addSession( $sub, 'directory_list' ); |
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428 | get_displayed_dirs( '../galleries', 60 ); |
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429 | $vtp->closeSession( $sub, 'directory_list' ); |
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430 | } |
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431 | //----------------------------------------------------------- sending html code |
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432 | $vtp->Parse( $handle , 'sub', $sub ); |
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433 | ?> |
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