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PHP Cross Reference of Wordpress 2.9.1 |
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1 <?php 2 /** 3 * WordPress Image Editor 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 function wp_image_editor($post_id, $msg = false) { 10 $nonce = wp_create_nonce("image_editor-$post_id"); 11 $meta = wp_get_attachment_metadata($post_id); 12 $thumb = image_get_intermediate_size($post_id, 'thumbnail'); 13 $sub_sizes = isset($meta['sizes']) && is_array($meta['sizes']); 14 $note = ''; 15 16 if ( is_array($meta) && isset($meta['width']) ) 17 $big = max( $meta['width'], $meta['height'] ); 18 else 19 die( __('Image data does not exist. Please re-upload the image.') ); 20 21 $sizer = $big > 400 ? 400 / $big : 1; 22 23 $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); 24 $can_restore = !empty($backup_sizes) && isset($backup_sizes['full-orig']) 25 && $backup_sizes['full-orig']['file'] != basename($meta['file']); 26 27 if ( $msg ) { 28 if ( isset($msg->error) ) 29 $note = "<div class='error'><p>$msg->error</p></div>"; 30 elseif ( isset($msg->msg) ) 31 $note = "<div class='updated'><p>$msg->msg</p></div>"; 32 } 33 34 ?> 35 <div class="imgedit-wrap"> 36 <?php echo $note; ?> 37 <table id="imgedit-panel-<?php echo $post_id; ?>"><tbody> 38 <tr><td> 39 <div class="imgedit-menu"> 40 <div onclick="imageEdit.crop(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-crop disabled" title="<?php esc_attr_e( 'Crop' ); ?>"></div><?php 41 42 // On some setups GD library does not provide imagerotate() - Ticket #11536 43 if ( function_exists('imagerotate') ) { ?> 44 <div class="imgedit-rleft" onclick="imageEdit.rotate( 90, <?php echo "$post_id, '$nonce'"; ?>, this)" title="<?php esc_attr_e( 'Rotate counter-clockwise' ); ?>"></div> 45 <div class="imgedit-rright" onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>, this)" title="<?php esc_attr_e( 'Rotate clockwise' ); ?>"></div> 46 <?php } else { 47 $note_gdlib = esc_attr__('Image rotation is not supported by your web host (function imagerotate() is missing)'); 48 ?> 49 <div class="imgedit-rleft disabled" title="<?php echo $note_gdlib; ?>"></div> 50 <div class="imgedit-rright disabled" title="<?php echo $note_gdlib; ?>"></div> 51 <?php } ?> 52 53 <div onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-flipv" title="<?php esc_attr_e( 'Flip vertically' ); ?>"></div> 54 <div onclick="imageEdit.flip(2, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-fliph" title="<?php esc_attr_e( 'Flip horizontally' ); ?>"></div> 55 56 <div id="image-undo-<?php echo $post_id; ?>" onclick="imageEdit.undo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-undo disabled" title="<?php esc_attr_e( 'Undo' ); ?>"></div> 57 <div id="image-redo-<?php echo $post_id; ?>" onclick="imageEdit.redo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-redo disabled" title="<?php esc_attr_e( 'Redo' ); ?>"></div> 58 <br class="clear" /> 59 </div> 60 61 <input type="hidden" id="imgedit-sizer-<?php echo $post_id; ?>" value="<?php echo $sizer; ?>" /> 62 <input type="hidden" id="imgedit-minthumb-<?php echo $post_id; ?>" value="<?php echo ( get_option('thumbnail_size_w') . ':' . get_option('thumbnail_size_h') ); ?>" /> 63 <input type="hidden" id="imgedit-history-<?php echo $post_id; ?>" value="" /> 64 <input type="hidden" id="imgedit-undone-<?php echo $post_id; ?>" value="0" /> 65 <input type="hidden" id="imgedit-selection-<?php echo $post_id; ?>" value="" /> 66 <input type="hidden" id="imgedit-x-<?php echo $post_id; ?>" value="<?php echo $meta['width']; ?>" /> 67 <input type="hidden" id="imgedit-y-<?php echo $post_id; ?>" value="<?php echo $meta['height']; ?>" /> 68 69 <div id="imgedit-crop-<?php echo $post_id; ?>" class="imgedit-crop-wrap"> 70 <img id="image-preview-<?php echo $post_id; ?>" onload="imageEdit.imgLoaded('<?php echo $post_id; ?>')" src="<?php echo admin_url('admin-ajax.php'); ?>?action=imgedit-preview&_ajax_nonce=<?php echo $nonce; ?>&postid=<?php echo $post_id; ?>&rand=<?php echo rand(1, 99999); ?>" /> 71 </div> 72 73 <div class="imgedit-submit"> 74 <input type="button" onclick="imageEdit.close(<?php echo $post_id; ?>, 1)" class="button" value="<?php esc_attr_e( 'Cancel' ); ?>" /> 75 <input type="button" onclick="imageEdit.save(<?php echo "$post_id, '$nonce'"; ?>)" disabled="disabled" class="button-primary imgedit-submit-btn" value="<?php esc_attr_e( 'Save' ); ?>" /> 76 </div> 77 </td> 78 79 <td class="imgedit-settings"> 80 <div class="imgedit-group"> 81 <div class="imgedit-group-top"> 82 <a class="imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" href="#"><strong><?php _e('Scale Image'); ?></strong></a> 83 <div class="imgedit-help"> 84 <p><?php _e('You can proportionally scale the original image. For best results the scaling should be done before performing any other operations on it like crop, rotate, etc. Note that if you make the image larger it may become fuzzy.'); ?></p> 85 <p><?php printf( __('Original dimensions %s'), $meta['width'] . '×' . $meta['height'] ); ?></p> 86 <div class="imgedit-submit"> 87 <span class="nowrap"><input type="text" id="imgedit-scale-width-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1)" style="width:4em;" value="<?php echo $meta['width']; ?>" />×<input type="text" id="imgedit-scale-height-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0)" style="width:4em;" value="<?php echo $meta['height']; ?>" /> 88 <span class="imgedit-scale-warn" id="imgedit-scale-warn-<?php echo $post_id; ?>">!</span></span> 89 <input type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'scale')" class="button-primary" value="<?php esc_attr_e( 'Scale' ); ?>" /> 90 </div> 91 </div> 92 </div> 93 94 <?php if ( $can_restore ) { ?> 95 96 <div class="imgedit-group-top"> 97 <a class="imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" href="#"><strong><?php _e('Restore Original Image'); ?></strong></a> 98 <div class="imgedit-help"> 99 <p><?php _e('Discard any changes and restore the original image.'); 100 101 if ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) 102 _e(' Previously edited copies of the image will not be deleted.'); 103 104 ?></p> 105 <div class="imgedit-submit"> 106 <input type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'restore')" class="button-primary" value="<?php esc_attr_e( 'Restore image' ); ?>" <?php echo $can_restore; ?> /> 107 </div> 108 </div> 109 </div> 110 111 <?php } ?> 112 113 </div> 114 115 <div class="imgedit-group"> 116 <div class="imgedit-group-top"> 117 <strong><?php _e('Image Crop'); ?></strong> 118 <a class="imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" href="#"><?php _e('(help)'); ?></a> 119 <div class="imgedit-help"> 120 <p><?php _e('The image can be cropped by clicking on it and dragging to select the desired part. While dragging the dimensions of the selection are displayed below.'); ?></p> 121 <strong><?php _e('Keyboard shortcuts'); ?></strong> 122 <ul> 123 <li><?php _e('Arrow: move by 10px'); ?></li> 124 <li><?php _e('Shift + arrow: move by 1px'); ?></li> 125 <li><?php _e('Ctrl + arrow: resize by 10px'); ?></li> 126 <li><?php _e('Ctrl + Shift + arrow: resize by 1px'); ?></li> 127 <li><?php _e('Shift + drag: lock aspect ratio'); ?></li> 128 </ul> 129 130 <p><strong><?php _e('Crop Aspect Ratio'); ?></strong><br /> 131 <?php _e('You can specify the crop selection aspect ratio then hold down the Shift key while dragging to lock it. The values can be 1:1 (square), 4:3, 16:9, etc. If there is a selection, specifying aspect ratio will set it immediately.'); ?></p> 132 133 <p><strong><?php _e('Crop Selection'); ?></strong><br /> 134 <?php _e('Once started, the selection can be adjusted by entering new values (in pixels). Note that these values are scaled to approximately match the original image dimensions. The minimum selection size equals the thumbnail size as set in the Media settings.'); ?></p> 135 </div> 136 </div> 137 138 <p> 139 <?php _e('Aspect ratio:'); ?> 140 <span class="nowrap"> 141 <input type="text" id="imgedit-crop-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" style="width:3em;" /> 142 : 143 <input type="text" id="imgedit-crop-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" style="width:3em;" /> 144 </span> 145 </p> 146 147 <p id="imgedit-crop-sel-<?php echo $post_id; ?>"> 148 <?php _e('Selection:'); ?> 149 <span class="nowrap"> 150 <input type="text" id="imgedit-sel-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>)" style="width:4em;" /> 151 : 152 <input type="text" id="imgedit-sel-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>)" style="width:4em;" /> 153 </span> 154 </p> 155 </div> 156 157 <?php if ( $thumb && $sub_sizes ) { 158 $thumb_img = wp_constrain_dimensions( $thumb['width'], $thumb['height'], 160, 120 ); 159 ?> 160 161 <div class="imgedit-group imgedit-applyto"> 162 <div class="imgedit-group-top"> 163 <strong><?php _e('Thumbnail Settings'); ?></strong> 164 <a class="imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);return false;" href="#"><?php _e('(help)'); ?></a> 165 <p class="imgedit-help"><?php _e('The thumbnail image can be cropped differently. For example it can be square or contain only a portion of the original image to showcase it better. Here you can select whether to apply changes to all image sizes or make the thumbnail different.'); ?></p> 166 </div> 167 168 <p> 169 <img src="<?php echo $thumb['url']; ?>" width="<?php echo $thumb_img[0]; ?>" height="<?php echo $thumb_img[1]; ?>" class="imgedit-size-preview" alt="" /><br /><?php _e('Current thumbnail'); ?> 170 </p> 171 172 <p id="imgedit-save-target-<?php echo $post_id; ?>"> 173 <strong><?php _e('Apply changes to:'); ?></strong><br /> 174 175 <label class="imgedit-label"> 176 <input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="all" checked="checked" /> 177 <?php _e('All image sizes'); ?></label> 178 179 <label class="imgedit-label"> 180 <input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="thumbnail" /> 181 <?php _e('Thumbnail'); ?></label> 182 183 <label class="imgedit-label"> 184 <input type="radio" name="imgedit-target-<?php echo $post_id; ?>" value="nothumb" /> 185 <?php _e('All sizes except thumbnail'); ?></label> 186 </p> 187 </div> 188 189 <?php } ?> 190 191 </td></tr> 192 </tbody></table> 193 <div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div> 194 <script type="text/javascript">imageEdit.init(<?php echo $post_id; ?>);</script> 195 <div class="hidden" id="imgedit-leaving-<?php echo $post_id; ?>"><?php _e("There are unsaved changes that will be lost. 'OK' to continue, 'Cancel' to return to the Image Editor."); ?></div> 196 </div> 197 <?php 198 } 199 200 function load_image_to_edit($post_id, $mime_type, $size = 'full') { 201 $filepath = get_attached_file($post_id); 202 203 if ( $filepath && file_exists($filepath) ) { 204 if ( 'full' != $size && ( $data = image_get_intermediate_size($post_id, $size) ) ) 205 $filepath = path_join( dirname($filepath), $data['file'] ); 206 } elseif ( WP_Http_Fopen::test() ) { 207 $filepath = wp_get_attachment_url($post_id); 208 } 209 210 $filepath = apply_filters('load_image_to_edit_path', $filepath, $post_id, $size); 211 if ( empty($filepath) ) 212 return false; 213 214 switch ( $mime_type ) { 215 case 'image/jpeg': 216 $image = imagecreatefromjpeg($filepath); 217 break; 218 case 'image/png': 219 $image = imagecreatefrompng($filepath); 220 break; 221 case 'image/gif': 222 $image = imagecreatefromgif($filepath); 223 break; 224 default: 225 $image = false; 226 break; 227 } 228 if ( is_resource($image) ) { 229 $image = apply_filters('load_image_to_edit', $image, $post_id, $size); 230 if ( function_exists('imagealphablending') && function_exists('imagesavealpha') ) { 231 imagealphablending($image, false); 232 imagesavealpha($image, true); 233 } 234 } 235 return $image; 236 } 237 238 function wp_stream_image($image, $mime_type, $post_id) { 239 $image = apply_filters('image_save_pre', $image, $post_id); 240 241 switch ( $mime_type ) { 242 case 'image/jpeg': 243 header('Content-Type: image/jpeg'); 244 return imagejpeg($image, null, 90); 245 case 'image/png': 246 header('Content-Type: image/png'); 247 return imagepng($image); 248 case 'image/gif': 249 header('Content-Type: image/gif'); 250 return imagegif($image); 251 default: 252 return false; 253 } 254 } 255 256 function wp_save_image_file($filename, $image, $mime_type, $post_id) { 257 $image = apply_filters('image_save_pre', $image, $post_id); 258 $saved = apply_filters('wp_save_image_file', null, $filename, $image, $mime_type, $post_id); 259 if ( null !== $saved ) 260 return $saved; 261 262 switch ( $mime_type ) { 263 case 'image/jpeg': 264 return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) ); 265 case 'image/png': 266 return imagepng($image, $filename); 267 case 'image/gif': 268 return imagegif($image, $filename); 269 default: 270 return false; 271 } 272 } 273 274 function _image_get_preview_ratio($w, $h) { 275 $max = max($w, $h); 276 return $max > 400 ? (400 / $max) : 1; 277 } 278 279 function _rotate_image_resource($img, $angle) { 280 if ( function_exists('imagerotate') ) { 281 $rotated = imagerotate($img, $angle, 0); 282 if ( is_resource($rotated) ) { 283 imagedestroy($img); 284 $img = $rotated; 285 } 286 } 287 return $img; 288 } 289 290 291 function _flip_image_resource($img, $horz, $vert) { 292 $w = imagesx($img); 293 $h = imagesy($img); 294 $dst = wp_imagecreatetruecolor($w, $h); 295 if ( is_resource($dst) ) { 296 $sx = $vert ? ($w - 1) : 0; 297 $sy = $horz ? ($h - 1) : 0; 298 $sw = $vert ? -$w : $w; 299 $sh = $horz ? -$h : $h; 300 301 if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) { 302 imagedestroy($img); 303 $img = $dst; 304 } 305 } 306 return $img; 307 } 308 309 function _crop_image_resource($img, $x, $y, $w, $h) { 310 $dst = wp_imagecreatetruecolor($w, $h); 311 if ( is_resource($dst) ) { 312 if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) { 313 imagedestroy($img); 314 $img = $dst; 315 } 316 } 317 return $img; 318 } 319 320 function image_edit_apply_changes($img, $changes) { 321 322 if ( !is_array($changes) ) 323 return $img; 324 325 // expand change operations 326 foreach ( $changes as $key => $obj ) { 327 if ( isset($obj->r) ) { 328 $obj->type = 'rotate'; 329 $obj->angle = $obj->r; 330 unset($obj->r); 331 } elseif ( isset($obj->f) ) { 332 $obj->type = 'flip'; 333 $obj->axis = $obj->f; 334 unset($obj->f); 335 } elseif ( isset($obj->c) ) { 336 $obj->type = 'crop'; 337 $obj->sel = $obj->c; 338 unset($obj->c); 339 } 340 $changes[$key] = $obj; 341 } 342 343 // combine operations 344 if ( count($changes) > 1 ) { 345 $filtered = array($changes[0]); 346 for ( $i = 0, $j = 1; $j < count($changes); $j++ ) { 347 $combined = false; 348 if ( $filtered[$i]->type == $changes[$j]->type ) { 349 switch ( $filtered[$i]->type ) { 350 case 'rotate': 351 $filtered[$i]->angle += $changes[$j]->angle; 352 $combined = true; 353 break; 354 case 'flip': 355 $filtered[$i]->axis ^= $changes[$j]->axis; 356 $combined = true; 357 break; 358 } 359 } 360 if ( !$combined ) 361 $filtered[++$i] = $changes[$j]; 362 } 363 $changes = $filtered; 364 unset($filtered); 365 } 366 367 // image resource before applying the changes 368 $img = apply_filters('image_edit_before_change', $img, $changes); 369 370 foreach ( $changes as $operation ) { 371 switch ( $operation->type ) { 372 case 'rotate': 373 if ( $operation->angle != 0 ) 374 $img = _rotate_image_resource($img, $operation->angle); 375 break; 376 case 'flip': 377 if ( $operation->axis != 0 ) 378 $img = _flip_image_resource($img, ($operation->axis & 1) != 0, ($operation->axis & 2) != 0); 379 break; 380 case 'crop': 381 $sel = $operation->sel; 382 $scale = 1 / _image_get_preview_ratio( imagesx($img), imagesy($img) ); // discard preview scaling 383 $img = _crop_image_resource($img, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale); 384 break; 385 } 386 } 387 388 return $img; 389 } 390 391 function stream_preview_image($post_id) { 392 $post = get_post($post_id); 393 @ini_set('memory_limit', '256M'); 394 $img = load_image_to_edit( $post_id, $post->post_mime_type, array(400, 400) ); 395 396 if ( !is_resource($img) ) 397 return false; 398 399 $changes = !empty($_REQUEST['history']) ? json_decode( stripslashes($_REQUEST['history']) ) : null; 400 if ( $changes ) 401 $img = image_edit_apply_changes($img, $changes); 402 403 // scale the image 404 $w = imagesx($img); 405 $h = imagesy($img); 406 $ratio = _image_get_preview_ratio($w, $h); 407 $w2 = $w * $ratio; 408 $h2 = $h * $ratio; 409 410 $preview = wp_imagecreatetruecolor($w2, $h2); 411 imagecopyresampled( $preview, $img, 0, 0, 0, 0, $w2, $h2, $w, $h ); 412 wp_stream_image($preview, $post->post_mime_type, $post_id); 413 414 imagedestroy($preview); 415 imagedestroy($img); 416 return true; 417 } 418 419 function wp_restore_image($post_id) { 420 $meta = wp_get_attachment_metadata($post_id); 421 $file = get_attached_file($post_id); 422 $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); 423 $restored = false; 424 $msg = ''; 425 426 if ( !is_array($backup_sizes) ) { 427 $msg->error = __('Cannot load image metadata.'); 428 return $msg; 429 } 430 431 $parts = pathinfo($file); 432 $suffix = time() . rand(100, 999); 433 $default_sizes = apply_filters( 'intermediate_image_sizes', array('large', 'medium', 'thumbnail') ); 434 435 if ( isset($backup_sizes['full-orig']) && is_array($backup_sizes['full-orig']) ) { 436 $data = $backup_sizes['full-orig']; 437 438 if ( $parts['basename'] != $data['file'] ) { 439 if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) { 440 // delete only if it's edited image 441 if ( preg_match('/-e[0-9]{13}\./', $parts['basename']) ) { 442 $delpath = apply_filters('wp_delete_file', $file); 443 @unlink($delpath); 444 } 445 } else { 446 $backup_sizes["full-$suffix"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $parts['basename']); 447 } 448 } 449 450 $restored_file = path_join($parts['dirname'], $data['file']); 451 $restored = update_attached_file($post_id, $restored_file); 452 453 $meta['file'] = _wp_relative_upload_path( $restored_file ); 454 $meta['width'] = $data['width']; 455 $meta['height'] = $data['height']; 456 list ( $uwidth, $uheight ) = wp_shrink_dimensions($meta['width'], $meta['height']); 457 $meta['hwstring_small'] = "height='$uheight' width='$uwidth'"; 458 } 459 460 foreach ( $default_sizes as $default_size ) { 461 if ( isset($backup_sizes["$default_size-orig"]) ) { 462 $data = $backup_sizes["$default_size-orig"]; 463 if ( isset($meta['sizes'][$default_size]) && $meta['sizes'][$default_size]['file'] != $data['file'] ) { 464 if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) { 465 // delete only if it's edited image 466 if ( preg_match('/-e[0-9]{13}-/', $meta['sizes'][$default_size]['file']) ) { 467 $delpath = apply_filters( 'wp_delete_file', path_join($parts['dirname'], $meta['sizes'][$default_size]['file']) ); 468 @unlink($delpath); 469 } 470 } else { 471 $backup_sizes["$default_size-{$suffix}"] = $meta['sizes'][$default_size]; 472 } 473 } 474 475 $meta['sizes'][$default_size] = $data; 476 } else { 477 unset($meta['sizes'][$default_size]); 478 } 479 } 480 481 if ( !wp_update_attachment_metadata($post_id, $meta) || !update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes) ) { 482 $msg->error = __('Cannot save image metadata.'); 483 return $msg; 484 } 485 486 if ( !$restored ) 487 $msg->error = __('Image metadata is inconsistent.'); 488 else 489 $msg->msg = __('Image restored successfully.'); 490 491 return $msg; 492 } 493 494 function wp_save_image($post_id) { 495 $return = ''; 496 $success = $delete = $scaled = $nocrop = false; 497 $post = get_post($post_id); 498 @ini_set('memory_limit', '256M'); 499 $img = load_image_to_edit($post_id, $post->post_mime_type); 500 501 if ( !is_resource($img) ) { 502 $return->error = esc_js( __('Unable to create new image.') ); 503 return $return; 504 } 505 506 $fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0; 507 $fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0; 508 $target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : ''; 509 $scale = !empty($_REQUEST['do']) && 'scale' == $_REQUEST['do']; 510 511 if ( $scale && $fwidth > 0 && $fheight > 0 ) { 512 $sX = imagesx($img); 513 $sY = imagesy($img); 514 515 // check if it has roughly the same w / h ratio 516 $diff = round($sX / $sY, 2) - round($fwidth / $fheight, 2); 517 if ( -0.1 < $diff && $diff < 0.1 ) { 518 // scale the full size image 519 $dst = wp_imagecreatetruecolor($fwidth, $fheight); 520 if ( imagecopyresampled( $dst, $img, 0, 0, 0, 0, $fwidth, $fheight, $sX, $sY ) ) { 521 imagedestroy($img); 522 $img = $dst; 523 $scaled = true; 524 } 525 } 526 527 if ( !$scaled ) { 528 $return->error = esc_js( __('Error while saving the scaled image. Please reload the page and try again.') ); 529 return $return; 530 } 531 } elseif ( !empty($_REQUEST['history']) ) { 532 $changes = json_decode( stripslashes($_REQUEST['history']) ); 533 if ( $changes ) 534 $img = image_edit_apply_changes($img, $changes); 535 } else { 536 $return->error = esc_js( __('Nothing to save, the image has not changed.') ); 537 return $return; 538 } 539 540 $meta = wp_get_attachment_metadata($post_id); 541 $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); 542 543 if ( !is_array($meta) ) { 544 $return->error = esc_js( __('Image data does not exist. Please re-upload the image.') ); 545 return $return; 546 } 547 548 if ( !is_array($backup_sizes) ) 549 $backup_sizes = array(); 550 551 // generate new filename 552 $path = get_attached_file($post_id); 553 $path_parts = pathinfo52( $path ); 554 $filename = $path_parts['filename']; 555 $suffix = time() . rand(100, 999); 556 557 if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE && 558 isset($backup_sizes['full-orig']) && $backup_sizes['full-orig']['file'] != $path_parts['basename'] ) { 559 560 if ( 'thumbnail' == $target ) 561 $new_path = "{$path_parts['dirname']}/{$filename}-temp.{$path_parts['extension']}"; 562 else 563 $new_path = $path; 564 } else { 565 while( true ) { 566 $filename = preg_replace( '/-e([0-9]+)$/', '', $filename ); 567 $filename .= "-e{$suffix}"; 568 $new_filename = "{$filename}.{$path_parts['extension']}"; 569 $new_path = "{$path_parts['dirname']}/$new_filename"; 570 if ( file_exists($new_path) ) 571 $suffix++; 572 else 573 break; 574 } 575 } 576 577 // save the full-size file, also needed to create sub-sizes 578 if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) ) { 579 $return->error = esc_js( __('Unable to save the image.') ); 580 return $return; 581 } 582 583 if ( 'nothumb' == $target || 'all' == $target || 'full' == $target || $scaled ) { 584 $tag = false; 585 if ( isset($backup_sizes['full-orig']) ) { 586 if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes['full-orig']['file'] != $path_parts['basename'] ) 587 $tag = "full-$suffix"; 588 } else { 589 $tag = 'full-orig'; 590 } 591 592 if ( $tag ) 593 $backup_sizes[$tag] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $path_parts['basename']); 594 595 $success = update_attached_file($post_id, $new_path); 596 597 $meta['file'] = _wp_relative_upload_path($new_path); 598 $meta['width'] = imagesx($img); 599 $meta['height'] = imagesy($img); 600 601 list ( $uwidth, $uheight ) = wp_shrink_dimensions($meta['width'], $meta['height']); 602 $meta['hwstring_small'] = "height='$uheight' width='$uwidth'"; 603 604 if ( $success && ('nothumb' == $target || 'all' == $target) ) { 605 $sizes = apply_filters( 'intermediate_image_sizes', array('large', 'medium', 'thumbnail') ); 606 if ( 'nothumb' == $target ) 607 $sizes = array_diff( $sizes, array('thumbnail') ); 608 } 609 610 $return->fw = $meta['width']; 611 $return->fh = $meta['height']; 612 } elseif ( 'thumbnail' == $target ) { 613 $sizes = array( 'thumbnail' ); 614 $success = $delete = $nocrop = true; 615 } 616 617 if ( isset($sizes) ) { 618 foreach ( $sizes as $size ) { 619 $tag = false; 620 if ( isset($meta['sizes'][$size]) ) { 621 if ( isset($backup_sizes["$size-orig"]) ) { 622 if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes["$size-orig"]['file'] != $meta['sizes'][$size]['file'] ) 623 $tag = "$size-$suffix"; 624 } else { 625 $tag = "$size-orig"; 626 } 627 628 if ( $tag ) 629 $backup_sizes[$tag] = $meta['sizes'][$size]; 630 } 631 632 $crop = $nocrop ? false : get_option("{$size}_crop"); 633 $resized = image_make_intermediate_size($new_path, get_option("{$size}_size_w"), get_option("{$size}_size_h"), $crop ); 634 635 if ( $resized ) 636 $meta['sizes'][$size] = $resized; 637 else 638 unset($meta['sizes'][$size]); 639 } 640 } 641 642 if ( $success ) { 643 wp_update_attachment_metadata($post_id, $meta); 644 update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes); 645 646 if ( $target == 'thumbnail' || $target == 'all' || $target == 'full' ) { 647 $file_url = wp_get_attachment_url($post_id); 648 if ( $thumb = $meta['sizes']['thumbnail'] ) 649 $return->thumbnail = path_join( dirname($file_url), $thumb['file'] ); 650 else 651 $return->thumbnail = "$file_url?w=128&h=128"; 652 } 653 } else { 654 $delete = true; 655 } 656 657 if ( $delete ) { 658 $delpath = apply_filters('wp_delete_file', $new_path); 659 @unlink($delpath); 660 } 661 662 imagedestroy($img); 663 664 $return->msg = esc_js( __('Image saved') ); 665 return $return; 666 } 667
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| Generated: Fri Jan 8 00:19:48 2010 | Cross-referenced by PHPXref 0.7 |