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PHP Cross Reference of phpwcms V1.4.3 _r380 (23.11.09) |
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1 <?php 2 /************************************************************************************* 3 Copyright notice 4 5 (c) 2002-2009 Oliver Georgi (oliver@phpwcms.de) // All rights reserved. 6 7 This script is part of PHPWCMS. The PHPWCMS web content management system is 8 free software; you can redistribute it and/or modify it under the terms of 9 the GNU General Public License as published by the Free Software Foundation; 10 either version 2 of the License, or (at your option) any later version. 11 12 The GNU General Public License can be found at http://www.gnu.org/copyleft/gpl.html 13 A copy is found in the textfile GPL.txt and important notices to the license 14 from the author is found in LICENSE.txt distributed with these scripts. 15 16 This script is distributed in the hope that it will be useful, but WITHOUT ANY 17 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 18 PARTICULAR PURPOSE. See the GNU General Public License for more details. 19 20 This copyright notice MUST APPEAR in all copies of the script! 21 *************************************************************************************/ 22 23 24 // ======================================================================================================================== 25 26 // load external GD image handling class 27 if(!IMAGICK_ON) { 28 /* 29 $cfg = array( 'JPEG_QUALITY' => $phpwcms["jpg_quality"], 30 'USE_GD2' => GD2_ON, 31 'USE_COLOR_NAMES' => false 32 ); 33 */ 34 include_once (PHPWCMS_ROOT."/include/inc_ext/ss_image/ss_image.class.php"); 35 } 36 37 // ======================================================================================================================== 38 39 function imagick_converting ($imagick) { 40 41 $default = array( "max_width" => 150, 42 "max_height" => 150, 43 "error" => 0, 44 "image_name" => '', 45 "thumb_name" => '', 46 "target_ext" => 'jpg', 47 "image_dir" => PHPWCMS_ROOT.PHPWCMS_FILES, 48 "thumb_dir" => PHPWCMS_THUMB, 49 'jpg_quality' => 85, 50 'sharpen_level' => 0, 51 'density' => 72, 52 'add_command' => '', 53 'crop_image' => false 54 ); 55 56 $imagick = array_merge($default, $imagick); 57 unset($default); 58 59 if(!intval($imagick["max_width"])) { 60 $imagick["max_width"] = ''; 61 $imagick['crop_image'] = false; 62 } 63 if(!intval($imagick["max_height"])) { 64 $imagick["max_height"] = ''; 65 $imagick['crop_image'] = false; 66 } 67 68 //say that it should be converted 69 $resize = true; 70 71 // now it is good to check if image still available 72 // otherwise use placeholder image "filestorage/image_placeholder.png" 73 if(!is_file($imagick["image_dir"].$imagick["image_name"])) { 74 $imagick["image_name"] = 'image_placeholder.png'; 75 $imagick["thumb_name"] = 'temp_'.$imagick["thumb_name"]; 76 } 77 78 // check if it is useful only to copy the image 79 $check_image = @getimagesize($imagick["image_dir"].$imagick["image_name"]); 80 81 $channel_check = (isset($check_image['channels']) && $check_image['channels'] == 3) ? true : false; 82 83 if($channel_check && $check_image && ($check_image[2] == 1 || $check_image[2] == 2 || $check_image[2] == 3)) { 84 85 $copy_w = 0; 86 $copy_h = 0; 87 if($imagick["max_width"] && $check_image[0] <= $imagick["max_width"]) $copy_w = 1; 88 if($imagick["max_height"] && $check_image[1] <= $imagick["max_height"]) $copy_h = 1; 89 if(!$imagick["max_width"] && $check_image[0]) $copy_w = 1; 90 if(!$imagick["max_height"] && $check_image[1]) $copy_h = 1; 91 92 if(!$imagick['crop_image'] && $copy_w && $copy_h) { // do not copy in case crop is enabled 93 94 $imagick["thumb_name"] .= '.' . which_ext($imagick["image_name"]); 95 if( @copy( $imagick["image_dir"].$imagick["image_name"], $imagick["thumb_dir"].$imagick["thumb_name"] ) ) { 96 $resize = false; 97 } 98 } 99 } 100 101 if($resize) { 102 103 if(!ini_get('safe_mode') && function_exists('set_time_limit')) set_time_limit(90); 104 105 if(!$imagick['jpg_quality']) { 106 $imagick['jpg_quality'] = 80; 107 } elseif ($imagick['jpg_quality'] < 25) { 108 $imagick['jpg_quality'] = 25; 109 } elseif ($imagick['jpg_quality'] > 100) { 110 $imagick['jpg_quality'] = 100; 111 } 112 113 //Sharpen Level - only ImageMagick: 0, 1, 2, 3, 4, 5 -- 0 = no, 5 = extra sharp 114 switch($imagick['sharpen_level']) { 115 116 case 1: $sharp4 = '-sharpen 10 '; 117 $sharp5 = '-sharpen 1x10 '; 118 break; 119 case 2: $sharp4 = '-sharpen 25 '; 120 $sharp5 = '-sharpen 3x10 '; 121 break; 122 case 3: $sharp4 = '-sharpen 50 '; 123 $sharp5 = '-sharpen 5x10 '; 124 break; 125 case 4: $sharp4 = '-sharpen 70 '; 126 $sharp5 = '-sharpen 7x10 '; 127 break; 128 case 5: $sharp4 = '-sharpen 90 '; 129 $sharp5 = '-sharpen 9x10 '; 130 break; 131 default: $sharp4 = ''; 132 $sharp5 = ''; 133 134 } 135 136 $sharpen = ''; 137 138 $imagick["thumb_name"] .= '.' . $imagick["target_ext"]; 139 140 if(IMAGICK_ON) { 141 // If ImageMagick should be used 142 143 $imagick["command"] = IMAGICK_PATH."convert "; 144 switch($imagick["target_ext"]) { 145 146 case "jpg": if(IMAGICK_ON == 1) { 147 //ImageMagick >= 5 148 $imagick["command"] .= "-colorspace RGB -type TrueColor "; 149 150 $sharpen = $sharp5; 151 152 } else { 153 //ImageMagick 4.2.9 154 $imagick["command"] .= "-colorspace RGB -colors 16777216 "; 155 156 $sharpen = $sharp4; 157 158 } 159 $imagick["source_image_name"] = $imagick["image_dir"].$imagick["image_name"].'[0]'; 160 break; 161 162 case "gif": if(IMAGICK_ON == 1) { 163 //ImageMagick >= 5 164 $imagick["command"] .= "-colors 256 "; 165 } else { 166 //ImageMagick 4.2.9 167 $imagick["command"] .= "-colorspace Transparent -colors 128 "; 168 } 169 $imagick["source_image_name"] = $imagick["image_dir"].$imagick["image_name"]; 170 break; 171 172 case "png": $imagick["command"] .= "-colorspace RGB "; 173 $imagick["source_image_name"] = $imagick["image_dir"].$imagick["image_name"]; 174 break; 175 176 } 177 178 /** 179 * to keep 4.2.9 compatibility there is more that has to be done 180 * it might fail for PNG and for cropping 181 */ 182 183 if($imagick['crop_image'] && $imagick["max_width"] && $imagick["max_height"]) { 184 185 if(IMAGICK_ON == 1) { 186 //ImageMagick >= 5 187 $resize_factor = 2 * ( $imagick["max_width"] > $imagick["max_height"] ? $imagick["max_width"] : $imagick["max_height"] ); 188 189 $imagick["command"] .= '-resize "x'.$resize_factor.'" -resize "'.$resize_factor.'x<" -resize 50% '; 190 $imagick["command"] .= '-gravity center -crop '.$imagick["max_width"].'x'.$imagick["max_height"].'+0+0 '; 191 $imagick["command"] .= '+repage '; 192 193 } else { 194 //ImageMagick 4.2.9 195 $imagick["command"] .= '-geometry "'.$imagick["max_width"].'x'.$imagick["max_height"].'>" '; 196 $imagick["command"] .= '-gravity center -crop '.$imagick["max_width"].'x'.$imagick["max_height"].'+0+0 '; 197 $imagick["command"] .= '+repage '; 198 199 } 200 201 } elseif( $imagick["max_width"] || $imagick["max_height"] ) { 202 203 // resize 204 if(IMAGICK_ON == 1) { 205 //ImageMagick >= 5 206 $imagick["command"] .= '-resize "'.$imagick["max_width"].'x'.$imagick["max_height"].'>" '; 207 208 } else { 209 //ImageMagick 4.2.9 210 $imagick["command"] .= '-geometry "'.$imagick["max_width"].'x'.$imagick["max_height"].'>" '; 211 212 } 213 214 } 215 216 // quality level 217 $imagick["command"] .= "-quality ".$imagick['jpg_quality']." "; 218 219 // density 220 $imagick["command"] .= "-density ".$imagick['density']."x".$imagick['density']." "; 221 222 // additional command 223 if($imagick['add_command']) { 224 $imagick["command"] .= $imagick['add_command'] . " "; 225 } 226 227 $imagick["command"] .= '-antialias '; 228 $imagick["command"] .= $sharpen; 229 $imagick['command'] .= '"'.$imagick["source_image_name"].'" '; 230 /* 231 if(IMAGICK_ON == 2) { 232 $imagick["command"] .= '+profile "*" '; 233 } 234 */ 235 $imagick["command"] .= '"'.$imagick["thumb_dir"].$imagick["thumb_name"].'" '; 236 237 // debug commands 238 //write_textfile(PHPWCMS_TEMP.'imagemagick.log', date('Y-m-d H:i:s').' - '.$imagick["command"].LF, 'a'); 239 240 @exec($imagick["command"], $imagick_return); 241 242 if (isset($imagick_return[0])) { 243 $imagick["error"] = $imagick_return[0]; 244 } 245 246 } else { 247 // use GD function 248 if($check_image) { 249 250 // try to handle limited PHP memory 251 $php_memory = getBytes( @ini_get('memory_limit') ); 252 $img_memory = getRealImageSize( $check_image ); 253 254 // do memory checks only when PHP's memory limit 255 // and "real" image size is known 256 if(empty($GLOBALS['phpwcms']['gd_memcheck_off']) && $php_memory && $img_memory) { 257 258 // in general we need around twice the memory for 259 // successful GD resizing - so lets halve it 260 // and compare against the RAM the image will need 261 if($php_memory / 2 < $img_memory) { 262 263 $imagick["image_name"] = 'image_memoryinfo.png'; 264 $imagick["thumb_name"] = 'mem_'.$imagick["thumb_name"]; 265 266 } 267 268 } 269 270 $image = new ss_image($imagick["image_dir"].$imagick["image_name"], 'f'); //given original image 271 $image->set_parameter($imagick["jpg_quality"], GD2_ON, false); 272 273 if($imagick['crop_image']) { 274 275 $image->set_size($imagick["max_width"], $imagick["max_height"], '+'); 276 $image->commit(); 277 278 $crop_x = abs( $image->get_w() - $imagick["max_width"] ); 279 $crop_x = ceil( $crop_x / 2 ); 280 $crop_y = abs( $image->get_h() - $imagick["max_height"] ); 281 $crop_y = ceil( $crop_y / 2 ); 282 283 $image->crop($crop_x, $crop_y, $imagick["max_width"], $imagick["max_height"]); 284 285 } else { 286 287 if($imagick["max_width"] && $check_image[0] < $imagick["max_width"]) $imagick["max_width"] = $check_image[0]; 288 if($imagick["max_height"] && $check_image[1] < $imagick["max_height"]) $imagick["max_height"] = $check_image[1]; 289 if(!$imagick["max_width"]) $imagick["max_width"] = "*"; 290 if(!$imagick["max_height"]) $imagick["max_height"] = "*"; 291 292 $image->set_size($imagick["max_width"], $imagick["max_height"], '--'); 293 294 } 295 296 /* 297 if($imagick['sharpen_level']) { 298 $image->commit(); 299 $image->unsharp(80, 0.5, 3); 300 } 301 */ 302 $image->output($imagick["thumb_dir"].$imagick["thumb_name"], 'c', strtoupper($imagick["target_ext"])); 303 if(!is_file($imagick["thumb_dir"].$imagick["thumb_name"])) { 304 $imagick["error"] = "GD image creation failed."; 305 } 306 } else { 307 $imagick["error"] = "GD source image error. Maybe not exists."; 308 } 309 } 310 311 } 312 return $imagick; 313 } 314 315 // ======================================================================================================================== 316 317 318 // build thumbnail image name 319 function get_cached_image($val, $db_track=true, $return_all_imageinfo=true) { 320 321 // predefine values 322 $default = array( 323 "max_width" => $GLOBALS['phpwcms']["img_list_width"], 324 "max_height" => $GLOBALS['phpwcms']["img_list_height"], 325 "image_dir" => PHPWCMS_ROOT . '/' . PHPWCMS_FILES, 326 "thumb_dir" => PHPWCMS_ROOT . '/' . PHPWCMS_IMAGES, 327 'jpg_quality' => $GLOBALS['phpwcms']['jpg_quality'], 328 'sharpen_level' => $GLOBALS['phpwcms']['sharpen_level'], 329 'crop_image' => false 330 ); 331 332 $val = array_merge($default, $val); 333 334 $imgCache = false; //do not insert file information in db image cache 335 $thumb_image_info = array(); 336 $thumb_image_info[0] = false; // Thumb Image 337 $image_hash = substr($val['image_name'], 0, (strlen($val['target_ext']) * -1) - 1); 338 339 // now check if thumbnail was created - proof for GIF, PNG, JPG 340 341 $thumb_check = $val['thumb_dir'] . $val['thumb_name']; 342 343 if(is_file($thumb_check .'.jpg')) { 344 345 $thumb_image_info[0] = $val['thumb_name'] .'.jpg'; 346 347 } elseif(is_file($thumb_check .'.png')) { 348 349 $thumb_image_info[0] = $val['thumb_name'] .'.png'; 350 351 } elseif(is_file($thumb_check .'.gif')) { 352 353 $thumb_image_info[0] = $val['thumb_name'] .'.gif'; 354 355 } else { 356 357 // check if current file's extension is handable by ImageMagick or GD 358 if( $val["target_ext"] = is_ext_true($val["target_ext"]) ) { 359 360 $create_preview = imagick_converting( $val ); 361 362 if( is_file( $val['thumb_dir'] . $create_preview["thumb_name"] ) ) { 363 $thumb_image_info[0] = $create_preview["thumb_name"]; 364 $imgCache = true; // insert/update information in db image cache 365 }; 366 367 } 368 } 369 370 if($thumb_image_info[0] != false) { 371 372 if($return_all_imageinfo === false) { 373 return $thumb_image_info; 374 } 375 376 $thumb_info = @getimagesize($val['thumb_dir'].$thumb_image_info[0]); 377 if(is_array($thumb_info)) { 378 379 $thumb_image_info[1] = $thumb_info[0]; // width 380 $thumb_image_info[2] = $thumb_info[1]; // height 381 $thumb_image_info[3] = $thumb_info[3]; // HTML width & height attribute 382 383 // now update image caching information in db 384 if($imgCache && $db_track) { 385 386 if(!function_exists('_dbQuery')) { 387 require_once (PHPWCMS_ROOT.'/include/inc_lib/dbcon.inc.php'); 388 } 389 390 $sql = "INSERT INTO ".DB_PREPEND."phpwcms_imgcache SET "; 391 $sql .= "imgcache_hash = '" . aporeplace($image_hash) . "', "; 392 $sql .= "imgcache_imgname = '" . aporeplace($thumb_image_info[0]) . "', "; 393 $sql .= "imgcache_width = " . intval($thumb_image_info[1]) . " , "; 394 $sql .= "imgcache_height = " . intval($thumb_image_info[2]) . " , "; 395 $sql .= "imgcache_wh = '" . aporeplace($thumb_image_info[3]) . "'"; 396 @_dbQuery($sql, 'INSERT'); 397 } 398 399 } else { 400 401 // if wrong - no result, return false 402 return false; 403 404 } 405 406 } else { 407 // if wrong - no result, return false 408 return false; 409 } 410 411 // Return cached thumbnail image info 412 // $thumb_image_info[0] = Name, 413 // $thumb_image_info[1] = width, 414 // $thumb_image_info[2] = height, 415 // $thumb_image_info[3] = HTML width & height attribute 416 return $thumb_image_info; 417 } 418 419 ?>
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| Generated: Wed Dec 30 05:55:15 2009 | Cross-referenced by PHPXref 0.7 |