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1 <?php 2 /** 3 * WordPress Image Editor 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Loads the WP image-editing interface. 11 * 12 * @since 2.9.0 13 * 14 * @param int $post_id Attachment post ID. 15 * @param false|object $msg Optional. Message to display for image editor updates or errors. 16 * Default false. 17 */ 18 function wp_image_editor( $post_id, $msg = false ) { 19 $nonce = wp_create_nonce( "image_editor-$post_id" ); 20 $meta = wp_get_attachment_metadata( $post_id ); 21 $thumb = image_get_intermediate_size( $post_id, 'thumbnail' ); 22 $sub_sizes = isset( $meta['sizes'] ) && is_array( $meta['sizes'] ); 23 $note = ''; 24 25 if ( isset( $meta['width'], $meta['height'] ) ) { 26 $big = max( $meta['width'], $meta['height'] ); 27 } else { 28 die( __( 'Image data does not exist. Please re-upload the image.' ) ); 29 } 30 31 $sizer = $big > 400 ? 400 / $big : 1; 32 33 $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); 34 $can_restore = false; 35 if ( ! empty( $backup_sizes ) && isset( $backup_sizes['full-orig'], $meta['file'] ) ) { 36 $can_restore = wp_basename( $meta['file'] ) !== $backup_sizes['full-orig']['file']; 37 } 38 39 if ( $msg ) { 40 if ( isset( $msg->error ) ) { 41 $note = "<div class='notice notice-error' tabindex='-1' role='alert'><p>$msg->error</p></div>"; 42 } elseif ( isset( $msg->msg ) ) { 43 $note = "<div class='notice notice-success' tabindex='-1' role='alert'><p>$msg->msg</p></div>"; 44 } 45 } 46 47 ?> 48 <div class="imgedit-wrap wp-clearfix"> 49 <div id="imgedit-panel-<?php echo $post_id; ?>"> 50 51 <div class="imgedit-panel-content wp-clearfix"> 52 <?php echo $note; ?> 53 <div class="imgedit-menu wp-clearfix"> 54 <button type="button" onclick="imageEdit.handleCropToolClick( <?php echo "$post_id, '$nonce'"; ?>, this )" class="imgedit-crop button disabled" disabled><?php esc_html_e( 'Crop' ); ?></button> 55 <?php 56 57 // On some setups GD library does not provide imagerotate() - Ticket #11536. 58 if ( wp_image_editor_supports( 59 array( 60 'mime_type' => get_post_mime_type( $post_id ), 61 'methods' => array( 'rotate' ), 62 ) 63 ) ) { 64 $note_no_rotate = ''; 65 ?> 66 <button type="button" class="imgedit-rleft button" onclick="imageEdit.rotate( 90, <?php echo "$post_id, '$nonce'"; ?>, this)"><?php esc_html_e( 'Rotate left' ); ?></button> 67 <button type="button" class="imgedit-rright button" onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>, this)"><?php esc_html_e( 'Rotate right' ); ?></button> 68 <?php 69 } else { 70 $note_no_rotate = '<p class="note-no-rotate"><em>' . __( 'Image rotation is not supported by your web host.' ) . '</em></p>'; 71 ?> 72 <button type="button" class="imgedit-rleft button disabled" disabled></button> 73 <button type="button" class="imgedit-rright button disabled" disabled></button> 74 <?php } ?> 75 76 <button type="button" onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-flipv button"><?php esc_html_e( 'Flip vertical' ); ?></button> 77 <button type="button" onclick="imageEdit.flip(2, <?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-fliph button"><?php esc_html_e( 'Flip horizontal' ); ?></button> 78 79 <br class="imgedit-undo-redo-separator" /> 80 <button type="button" id="image-undo-<?php echo $post_id; ?>" onclick="imageEdit.undo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-undo button disabled" disabled><?php esc_html_e( 'Undo' ); ?></button> 81 <button type="button" id="image-redo-<?php echo $post_id; ?>" onclick="imageEdit.redo(<?php echo "$post_id, '$nonce'"; ?>, this)" class="imgedit-redo button disabled" disabled><?php esc_html_e( 'Redo' ); ?></button> 82 <?php echo $note_no_rotate; ?> 83 </div> 84 85 <input type="hidden" id="imgedit-sizer-<?php echo $post_id; ?>" value="<?php echo $sizer; ?>" /> 86 <input type="hidden" id="imgedit-history-<?php echo $post_id; ?>" value="" /> 87 <input type="hidden" id="imgedit-undone-<?php echo $post_id; ?>" value="0" /> 88 <input type="hidden" id="imgedit-selection-<?php echo $post_id; ?>" value="" /> 89 <input type="hidden" id="imgedit-x-<?php echo $post_id; ?>" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" /> 90 <input type="hidden" id="imgedit-y-<?php echo $post_id; ?>" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" /> 91 92 <div id="imgedit-crop-<?php echo $post_id; ?>" class="imgedit-crop-wrap"> 93 <img id="image-preview-<?php echo $post_id; ?>" onload="imageEdit.imgLoaded('<?php echo $post_id; ?>')" 94 src="<?php echo esc_url( admin_url( 'admin-ajax.php', 'relative' ) ) . '?action=imgedit-preview&_ajax_nonce=' . $nonce . '&postid=' . $post_id . '&rand=' . rand( 1, 99999 ); ?>" alt="" /> 95 </div> 96 97 <div class="imgedit-submit"> 98 <input type="button" onclick="imageEdit.close(<?php echo $post_id; ?>, 1)" class="button imgedit-cancel-btn" value="<?php esc_attr_e( 'Cancel' ); ?>" /> 99 <input type="button" onclick="imageEdit.save(<?php echo "$post_id, '$nonce'"; ?>)" disabled="disabled" class="button button-primary imgedit-submit-btn" value="<?php esc_attr_e( 'Save' ); ?>" /> 100 </div> 101 </div> 102 103 <div class="imgedit-settings"> 104 <div class="imgedit-group"> 105 <div class="imgedit-group-top"> 106 <h2><?php _e( 'Scale Image' ); ?></h2> 107 <button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Scale Image Help' ); ?></span></button> 108 <div class="imgedit-help"> 109 <p><?php _e( 'You can proportionally scale the original image. For best results, scaling should be done before you crop, flip, or rotate. Images can only be scaled down, not up.' ); ?></p> 110 </div> 111 <?php if ( isset( $meta['width'], $meta['height'] ) ) : ?> 112 <p> 113 <?php 114 printf( 115 /* translators: %s: Image width and height in pixels. */ 116 __( 'Original dimensions %s' ), 117 '<span class="imgedit-original-dimensions">' . $meta['width'] . ' × ' . $meta['height'] . '</span>' 118 ); 119 ?> 120 </p> 121 <?php endif; ?> 122 <div class="imgedit-submit"> 123 124 <fieldset class="imgedit-scale"> 125 <legend><?php _e( 'New dimensions:' ); ?></legend> 126 <div class="nowrap"> 127 <label for="imgedit-scale-width-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'scale width' ); ?></label> 128 <input type="text" id="imgedit-scale-width-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 1, this)" value="<?php echo isset( $meta['width'] ) ? $meta['width'] : 0; ?>" /> 129 <span class="imgedit-separator" aria-hidden="true">×</span> 130 <label for="imgedit-scale-height-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'scale height' ); ?></label> 131 <input type="text" id="imgedit-scale-height-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.scaleChanged(<?php echo $post_id; ?>, 0, this)" value="<?php echo isset( $meta['height'] ) ? $meta['height'] : 0; ?>" /> 132 <span class="imgedit-scale-warn" id="imgedit-scale-warn-<?php echo $post_id; ?>">!</span> 133 <div class="imgedit-scale-button-wrapper"><input id="imgedit-scale-button" type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'scale')" class="button button-primary" value="<?php esc_attr_e( 'Scale' ); ?>" /></div> 134 </div> 135 </fieldset> 136 137 </div> 138 </div> 139 </div> 140 141 <?php if ( $can_restore ) { ?> 142 143 <div class="imgedit-group"> 144 <div class="imgedit-group-top"> 145 <h2><button type="button" onclick="imageEdit.toggleHelp(this);" class="button-link" aria-expanded="false"><?php _e( 'Restore original image' ); ?> <span class="dashicons dashicons-arrow-down imgedit-help-toggle"></span></button></h2> 146 <div class="imgedit-help imgedit-restore"> 147 <p> 148 <?php 149 _e( 'Discard any changes and restore the original image.' ); 150 151 if ( ! defined( 'IMAGE_EDIT_OVERWRITE' ) || ! IMAGE_EDIT_OVERWRITE ) { 152 echo ' ' . __( 'Previously edited copies of the image will not be deleted.' ); 153 } 154 ?> 155 </p> 156 <div class="imgedit-submit"> 157 <input type="button" onclick="imageEdit.action(<?php echo "$post_id, '$nonce'"; ?>, 'restore')" class="button button-primary" value="<?php esc_attr_e( 'Restore image' ); ?>" <?php echo $can_restore; ?> /> 158 </div> 159 </div> 160 </div> 161 </div> 162 163 <?php } ?> 164 165 <div class="imgedit-group"> 166 <div class="imgedit-group-top"> 167 <h2><?php _e( 'Image Crop' ); ?></h2> 168 <button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Image Crop Help' ); ?></span></button> 169 170 <div class="imgedit-help"> 171 <p><?php _e( 'To crop the image, click on it and drag to make your selection.' ); ?></p> 172 173 <p><strong><?php _e( 'Crop Aspect Ratio' ); ?></strong><br /> 174 <?php _e( 'The aspect ratio is the relationship between the width and height. You can preserve the aspect ratio by holding down the shift key while resizing your selection. Use the input box to specify the aspect ratio, e.g. 1:1 (square), 4:3, 16:9, etc.' ); ?></p> 175 176 <p><strong><?php _e( 'Crop Selection' ); ?></strong><br /> 177 <?php _e( 'Once you have made your selection, you can adjust it by entering the size in pixels. The minimum selection size is the thumbnail size as set in the Media settings.' ); ?></p> 178 </div> 179 </div> 180 181 <fieldset class="imgedit-crop-ratio"> 182 <legend><?php _e( 'Aspect ratio:' ); ?></legend> 183 <div class="nowrap"> 184 <label for="imgedit-crop-width-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'crop ratio width' ); ?></label> 185 <input type="text" id="imgedit-crop-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 0, this)" /> 186 <span class="imgedit-separator" aria-hidden="true">:</span> 187 <label for="imgedit-crop-height-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'crop ratio height' ); ?></label> 188 <input type="text" id="imgedit-crop-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" onblur="imageEdit.setRatioSelection(<?php echo $post_id; ?>, 1, this)" /> 189 </div> 190 </fieldset> 191 192 <fieldset id="imgedit-crop-sel-<?php echo $post_id; ?>" class="imgedit-crop-sel"> 193 <legend><?php _e( 'Selection:' ); ?></legend> 194 <div class="nowrap"> 195 <label for="imgedit-sel-width-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'selection width' ); ?></label> 196 <input type="text" id="imgedit-sel-width-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" /> 197 <span class="imgedit-separator" aria-hidden="true">×</span> 198 <label for="imgedit-sel-height-<?php echo $post_id; ?>" class="screen-reader-text"><?php _e( 'selection height' ); ?></label> 199 <input type="text" id="imgedit-sel-height-<?php echo $post_id; ?>" onkeyup="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" onblur="imageEdit.setNumSelection(<?php echo $post_id; ?>, this)" /> 200 </div> 201 </fieldset> 202 203 </div> 204 205 <?php 206 if ( $thumb && $sub_sizes ) { 207 $thumb_img = wp_constrain_dimensions( $thumb['width'], $thumb['height'], 160, 120 ); 208 ?> 209 210 <div class="imgedit-group imgedit-applyto"> 211 <div class="imgedit-group-top"> 212 <h2><?php _e( 'Thumbnail Settings' ); ?></h2> 213 <button type="button" class="dashicons dashicons-editor-help imgedit-help-toggle" onclick="imageEdit.toggleHelp(this);" aria-expanded="false"><span class="screen-reader-text"><?php esc_html_e( 'Thumbnail Settings Help' ); ?></span></button> 214 <div class="imgedit-help"> 215 <p><?php _e( 'You can edit the image while preserving the thumbnail. For example, you may wish to have a square thumbnail that displays just a section of the image.' ); ?></p> 216 </div> 217 </div> 218 219 <figure class="imgedit-thumbnail-preview"> 220 <img src="<?php echo $thumb['url']; ?>" width="<?php echo $thumb_img[0]; ?>" height="<?php echo $thumb_img[1]; ?>" class="imgedit-size-preview" alt="" draggable="false" /> 221 <figcaption class="imgedit-thumbnail-preview-caption"><?php _e( 'Current thumbnail' ); ?></figcaption> 222 </figure> 223 224 <div id="imgedit-save-target-<?php echo $post_id; ?>" class="imgedit-save-target"> 225 <fieldset> 226 <legend><?php _e( 'Apply changes to:' ); ?></legend> 227 228 <span class="imgedit-label"> 229 <input type="radio" id="imgedit-target-all" name="imgedit-target-<?php echo $post_id; ?>" value="all" checked="checked" /> 230 <label for="imgedit-target-all"><?php _e( 'All image sizes' ); ?></label> 231 </span> 232 233 <span class="imgedit-label"> 234 <input type="radio" id="imgedit-target-thumbnail" name="imgedit-target-<?php echo $post_id; ?>" value="thumbnail" /> 235 <label for="imgedit-target-thumbnail"><?php _e( 'Thumbnail' ); ?></label> 236 </span> 237 238 <span class="imgedit-label"> 239 <input type="radio" id="imgedit-target-nothumb" name="imgedit-target-<?php echo $post_id; ?>" value="nothumb" /> 240 <label for="imgedit-target-nothumb"><?php _e( 'All sizes except thumbnail' ); ?></label> 241 </span> 242 </fieldset> 243 </div> 244 </div> 245 246 <?php } ?> 247 248 </div> 249 250 </div> 251 <div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div> 252 <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> 253 </div> 254 <?php 255 } 256 257 /** 258 * Streams image in WP_Image_Editor to browser. 259 * 260 * @since 2.9.0 261 * 262 * @param WP_Image_Editor $image The image editor instance. 263 * @param string $mime_type The mime type of the image. 264 * @param int $attachment_id The image's attachment post ID. 265 * @return bool True on success, false on failure. 266 */ 267 function wp_stream_image( $image, $mime_type, $attachment_id ) { 268 if ( $image instanceof WP_Image_Editor ) { 269 270 /** 271 * Filters the WP_Image_Editor instance for the image to be streamed to the browser. 272 * 273 * @since 3.5.0 274 * 275 * @param WP_Image_Editor $image The image editor instance. 276 * @param int $attachment_id The attachment post ID. 277 */ 278 $image = apply_filters( 'image_editor_save_pre', $image, $attachment_id ); 279 280 if ( is_wp_error( $image->stream( $mime_type ) ) ) { 281 return false; 282 } 283 284 return true; 285 } else { 286 /* translators: 1: $image, 2: WP_Image_Editor */ 287 _deprecated_argument( __FUNCTION__, '3.5.0', sprintf( __( '%1$s needs to be a %2$s object.' ), '$image', 'WP_Image_Editor' ) ); 288 289 /** 290 * Filters the GD image resource to be streamed to the browser. 291 * 292 * @since 2.9.0 293 * @deprecated 3.5.0 Use {@see 'image_editor_save_pre'} instead. 294 * 295 * @param resource|GdImage $image Image resource to be streamed. 296 * @param int $attachment_id The attachment post ID. 297 */ 298 $image = apply_filters_deprecated( 'image_save_pre', array( $image, $attachment_id ), '3.5.0', 'image_editor_save_pre' ); 299 300 switch ( $mime_type ) { 301 case 'image/jpeg': 302 header( 'Content-Type: image/jpeg' ); 303 return imagejpeg( $image, null, 90 ); 304 case 'image/png': 305 header( 'Content-Type: image/png' ); 306 return imagepng( $image ); 307 case 'image/gif': 308 header( 'Content-Type: image/gif' ); 309 return imagegif( $image ); 310 case 'image/webp': 311 if ( function_exists( 'imagewebp' ) ) { 312 header( 'Content-Type: image/webp' ); 313 return imagewebp( $image, null, 90 ); 314 } 315 return false; 316 default: 317 return false; 318 } 319 } 320 } 321 322 /** 323 * Saves image to file. 324 * 325 * @since 2.9.0 326 * 327 * @param string $filename Name of the file to be saved. 328 * @param WP_Image_Editor $image The image editor instance. 329 * @param string $mime_type The mime type of the image. 330 * @param int $post_id Attachment post ID. 331 * @return bool True on success, false on failure. 332 */ 333 function wp_save_image_file( $filename, $image, $mime_type, $post_id ) { 334 if ( $image instanceof WP_Image_Editor ) { 335 336 /** This filter is documented in wp-admin/includes/image-edit.php */ 337 $image = apply_filters( 'image_editor_save_pre', $image, $post_id ); 338 339 /** 340 * Filters whether to skip saving the image file. 341 * 342 * Returning a non-null value will short-circuit the save method, 343 * returning that value instead. 344 * 345 * @since 3.5.0 346 * 347 * @param bool|null $override Value to return instead of saving. Default null. 348 * @param string $filename Name of the file to be saved. 349 * @param WP_Image_Editor $image The image editor instance. 350 * @param string $mime_type The mime type of the image. 351 * @param int $post_id Attachment post ID. 352 */ 353 $saved = apply_filters( 'wp_save_image_editor_file', null, $filename, $image, $mime_type, $post_id ); 354 355 if ( null !== $saved ) { 356 return $saved; 357 } 358 359 return $image->save( $filename, $mime_type ); 360 } else { 361 /* translators: 1: $image, 2: WP_Image_Editor */ 362 _deprecated_argument( __FUNCTION__, '3.5.0', sprintf( __( '%1$s needs to be a %2$s object.' ), '$image', 'WP_Image_Editor' ) ); 363 364 /** This filter is documented in wp-admin/includes/image-edit.php */ 365 $image = apply_filters_deprecated( 'image_save_pre', array( $image, $post_id ), '3.5.0', 'image_editor_save_pre' ); 366 367 /** 368 * Filters whether to skip saving the image file. 369 * 370 * Returning a non-null value will short-circuit the save method, 371 * returning that value instead. 372 * 373 * @since 2.9.0 374 * @deprecated 3.5.0 Use {@see 'wp_save_image_editor_file'} instead. 375 * 376 * @param bool|null $override Value to return instead of saving. Default null. 377 * @param string $filename Name of the file to be saved. 378 * @param resource|GdImage $image Image resource or GdImage instance. 379 * @param string $mime_type The mime type of the image. 380 * @param int $post_id Attachment post ID. 381 */ 382 $saved = apply_filters_deprecated( 383 'wp_save_image_file', 384 array( null, $filename, $image, $mime_type, $post_id ), 385 '3.5.0', 386 'wp_save_image_editor_file' 387 ); 388 389 if ( null !== $saved ) { 390 return $saved; 391 } 392 393 switch ( $mime_type ) { 394 case 'image/jpeg': 395 /** This filter is documented in wp-includes/class-wp-image-editor.php */ 396 return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) ); 397 case 'image/png': 398 return imagepng( $image, $filename ); 399 case 'image/gif': 400 return imagegif( $image, $filename ); 401 case 'image/webp': 402 if ( function_exists( 'imagewebp' ) ) { 403 return imagewebp( $image, $filename ); 404 } 405 return false; 406 default: 407 return false; 408 } 409 } 410 } 411 412 /** 413 * Image preview ratio. Internal use only. 414 * 415 * @since 2.9.0 416 * 417 * @ignore 418 * @param int $w Image width in pixels. 419 * @param int $h Image height in pixels. 420 * @return float|int Image preview ratio. 421 */ 422 function _image_get_preview_ratio( $w, $h ) { 423 $max = max( $w, $h ); 424 return $max > 400 ? ( 400 / $max ) : 1; 425 } 426 427 /** 428 * Returns an image resource. Internal use only. 429 * 430 * @since 2.9.0 431 * @deprecated 3.5.0 Use WP_Image_Editor::rotate() 432 * @see WP_Image_Editor::rotate() 433 * 434 * @ignore 435 * @param resource|GdImage $img Image resource. 436 * @param float|int $angle Image rotation angle, in degrees. 437 * @return resource|GdImage|false GD image resource or GdImage instance, false otherwise. 438 */ 439 function _rotate_image_resource( $img, $angle ) { 440 _deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::rotate()' ); 441 442 if ( function_exists( 'imagerotate' ) ) { 443 $rotated = imagerotate( $img, $angle, 0 ); 444 445 if ( is_gd_image( $rotated ) ) { 446 imagedestroy( $img ); 447 $img = $rotated; 448 } 449 } 450 451 return $img; 452 } 453 454 /** 455 * Flips an image resource. Internal use only. 456 * 457 * @since 2.9.0 458 * @deprecated 3.5.0 Use WP_Image_Editor::flip() 459 * @see WP_Image_Editor::flip() 460 * 461 * @ignore 462 * @param resource|GdImage $img Image resource or GdImage instance. 463 * @param bool $horz Whether to flip horizontally. 464 * @param bool $vert Whether to flip vertically. 465 * @return resource|GdImage (maybe) flipped image resource or GdImage instance. 466 */ 467 function _flip_image_resource( $img, $horz, $vert ) { 468 _deprecated_function( __FUNCTION__, '3.5.0', 'WP_Image_Editor::flip()' ); 469 470 $w = imagesx( $img ); 471 $h = imagesy( $img ); 472 $dst = wp_imagecreatetruecolor( $w, $h ); 473 474 if ( is_gd_image( $dst ) ) { 475 $sx = $vert ? ( $w - 1 ) : 0; 476 $sy = $horz ? ( $h - 1 ) : 0; 477 $sw = $vert ? -$w : $w; 478 $sh = $horz ? -$h : $h; 479 480 if ( imagecopyresampled( $dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh ) ) { 481 imagedestroy( $img ); 482 $img = $dst; 483 } 484 } 485 486 return $img; 487 } 488 489 /** 490 * Crops an image resource. Internal use only. 491 * 492 * @since 2.9.0 493 * 494 * @ignore 495 * @param resource|GdImage $img Image resource or GdImage instance. 496 * @param float $x Source point x-coordinate. 497 * @param float $y Source point y-coordinate. 498 * @param float $w Source width. 499 * @param float $h Source height. 500 * @return resource|GdImage (maybe) cropped image resource or GdImage instance. 501 */ 502 function _crop_image_resource( $img, $x, $y, $w, $h ) { 503 $dst = wp_imagecreatetruecolor( $w, $h ); 504 505 if ( is_gd_image( $dst ) ) { 506 if ( imagecopy( $dst, $img, 0, 0, $x, $y, $w, $h ) ) { 507 imagedestroy( $img ); 508 $img = $dst; 509 } 510 } 511 512 return $img; 513 } 514 515 /** 516 * Performs group of changes on Editor specified. 517 * 518 * @since 2.9.0 519 * 520 * @param WP_Image_Editor $image WP_Image_Editor instance. 521 * @param array $changes Array of change operations. 522 * @return WP_Image_Editor WP_Image_Editor instance with changes applied. 523 */ 524 function image_edit_apply_changes( $image, $changes ) { 525 if ( is_gd_image( $image ) ) { 526 /* translators: 1: $image, 2: WP_Image_Editor */ 527 _deprecated_argument( __FUNCTION__, '3.5.0', sprintf( __( '%1$s needs to be a %2$s object.' ), '$image', 'WP_Image_Editor' ) ); 528 } 529 530 if ( ! is_array( $changes ) ) { 531 return $image; 532 } 533 534 // Expand change operations. 535 foreach ( $changes as $key => $obj ) { 536 if ( isset( $obj->r ) ) { 537 $obj->type = 'rotate'; 538 $obj->angle = $obj->r; 539 unset( $obj->r ); 540 } elseif ( isset( $obj->f ) ) { 541 $obj->type = 'flip'; 542 $obj->axis = $obj->f; 543 unset( $obj->f ); 544 } elseif ( isset( $obj->c ) ) { 545 $obj->type = 'crop'; 546 $obj->sel = $obj->c; 547 unset( $obj->c ); 548 } 549 $changes[ $key ] = $obj; 550 } 551 552 // Combine operations. 553 if ( count( $changes ) > 1 ) { 554 $filtered = array( $changes[0] ); 555 for ( $i = 0, $j = 1, $c = count( $changes ); $j < $c; $j++ ) { 556 $combined = false; 557 if ( $filtered[ $i ]->type == $changes[ $j ]->type ) { 558 switch ( $filtered[ $i ]->type ) { 559 case 'rotate': 560 $filtered[ $i ]->angle += $changes[ $j ]->angle; 561 $combined = true; 562 break; 563 case 'flip': 564 $filtered[ $i ]->axis ^= $changes[ $j ]->axis; 565 $combined = true; 566 break; 567 } 568 } 569 if ( ! $combined ) { 570 $filtered[ ++$i ] = $changes[ $j ]; 571 } 572 } 573 $changes = $filtered; 574 unset( $filtered ); 575 } 576 577 // Image resource before applying the changes. 578 if ( $image instanceof WP_Image_Editor ) { 579 580 /** 581 * Filters the WP_Image_Editor instance before applying changes to the image. 582 * 583 * @since 3.5.0 584 * 585 * @param WP_Image_Editor $image WP_Image_Editor instance. 586 * @param array $changes Array of change operations. 587 */ 588 $image = apply_filters( 'wp_image_editor_before_change', $image, $changes ); 589 } elseif ( is_gd_image( $image ) ) { 590 591 /** 592 * Filters the GD image resource before applying changes to the image. 593 * 594 * @since 2.9.0 595 * @deprecated 3.5.0 Use {@see 'wp_image_editor_before_change'} instead. 596 * 597 * @param resource|GdImage $image GD image resource or GdImage instance. 598 * @param array $changes Array of change operations. 599 */ 600 $image = apply_filters_deprecated( 'image_edit_before_change', array( $image, $changes ), '3.5.0', 'wp_image_editor_before_change' ); 601 } 602 603 foreach ( $changes as $operation ) { 604 switch ( $operation->type ) { 605 case 'rotate': 606 if ( 0 != $operation->angle ) { 607 if ( $image instanceof WP_Image_Editor ) { 608 $image->rotate( $operation->angle ); 609 } else { 610 $image = _rotate_image_resource( $image, $operation->angle ); 611 } 612 } 613 break; 614 case 'flip': 615 if ( 0 != $operation->axis ) { 616 if ( $image instanceof WP_Image_Editor ) { 617 $image->flip( ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 ); 618 } else { 619 $image = _flip_image_resource( $image, ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 ); 620 } 621 } 622 break; 623 case 'crop': 624 $sel = $operation->sel; 625 626 if ( $image instanceof WP_Image_Editor ) { 627 $size = $image->get_size(); 628 $w = $size['width']; 629 $h = $size['height']; 630 631 $scale = 1 / _image_get_preview_ratio( $w, $h ); // Discard preview scaling. 632 $image->crop( $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale ); 633 } else { 634 $scale = 1 / _image_get_preview_ratio( imagesx( $image ), imagesy( $image ) ); // Discard preview scaling. 635 $image = _crop_image_resource( $image, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale ); 636 } 637 break; 638 } 639 } 640 641 return $image; 642 } 643 644 645 /** 646 * Streams image in post to browser, along with enqueued changes 647 * in `$_REQUEST['history']`. 648 * 649 * @since 2.9.0 650 * 651 * @param int $post_id Attachment post ID. 652 * @return bool True on success, false on failure. 653 */ 654 function stream_preview_image( $post_id ) { 655 $post = get_post( $post_id ); 656 657 wp_raise_memory_limit( 'admin' ); 658 659 $img = wp_get_image_editor( _load_image_to_edit_path( $post_id ) ); 660 661 if ( is_wp_error( $img ) ) { 662 return false; 663 } 664 665 $changes = ! empty( $_REQUEST['history'] ) ? json_decode( wp_unslash( $_REQUEST['history'] ) ) : null; 666 if ( $changes ) { 667 $img = image_edit_apply_changes( $img, $changes ); 668 } 669 670 // Scale the image. 671 $size = $img->get_size(); 672 $w = $size['width']; 673 $h = $size['height']; 674 675 $ratio = _image_get_preview_ratio( $w, $h ); 676 $w2 = max( 1, $w * $ratio ); 677 $h2 = max( 1, $h * $ratio ); 678 679 if ( is_wp_error( $img->resize( $w2, $h2 ) ) ) { 680 return false; 681 } 682 683 return wp_stream_image( $img, $post->post_mime_type, $post_id ); 684 } 685 686 /** 687 * Restores the metadata for a given attachment. 688 * 689 * @since 2.9.0 690 * 691 * @param int $post_id Attachment post ID. 692 * @return stdClass Image restoration message object. 693 */ 694 function wp_restore_image( $post_id ) { 695 $meta = wp_get_attachment_metadata( $post_id ); 696 $file = get_attached_file( $post_id ); 697 $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); 698 $old_backup_sizes = $backup_sizes; 699 $restored = false; 700 $msg = new stdClass; 701 702 if ( ! is_array( $backup_sizes ) ) { 703 $msg->error = __( 'Cannot load image metadata.' ); 704 return $msg; 705 } 706 707 $parts = pathinfo( $file ); 708 $suffix = time() . rand( 100, 999 ); 709 $default_sizes = get_intermediate_image_sizes(); 710 711 if ( isset( $backup_sizes['full-orig'] ) && is_array( $backup_sizes['full-orig'] ) ) { 712 $data = $backup_sizes['full-orig']; 713 714 if ( $parts['basename'] != $data['file'] ) { 715 if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE ) { 716 717 // Delete only if it's an edited image. 718 if ( preg_match( '/-e[0-9]{13}\./', $parts['basename'] ) ) { 719 wp_delete_file( $file ); 720 } 721 } elseif ( isset( $meta['width'], $meta['height'] ) ) { 722 $backup_sizes[ "full-$suffix" ] = array( 723 'width' => $meta['width'], 724 'height' => $meta['height'], 725 'file' => $parts['basename'], 726 ); 727 } 728 } 729 730 $restored_file = path_join( $parts['dirname'], $data['file'] ); 731 $restored = update_attached_file( $post_id, $restored_file ); 732 733 $meta['file'] = _wp_relative_upload_path( $restored_file ); 734 $meta['width'] = $data['width']; 735 $meta['height'] = $data['height']; 736 } 737 738 foreach ( $default_sizes as $default_size ) { 739 if ( isset( $backup_sizes[ "$default_size-orig" ] ) ) { 740 $data = $backup_sizes[ "$default_size-orig" ]; 741 if ( isset( $meta['sizes'][ $default_size ] ) && $meta['sizes'][ $default_size ]['file'] != $data['file'] ) { 742 if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE ) { 743 744 // Delete only if it's an edited image. 745 if ( preg_match( '/-e[0-9]{13}-/', $meta['sizes'][ $default_size ]['file'] ) ) { 746 $delete_file = path_join( $parts['dirname'], $meta['sizes'][ $default_size ]['file'] ); 747 wp_delete_file( $delete_file ); 748 } 749 } else { 750 $backup_sizes[ "$default_size-{$suffix}" ] = $meta['sizes'][ $default_size ]; 751 } 752 } 753 754 $meta['sizes'][ $default_size ] = $data; 755 } else { 756 unset( $meta['sizes'][ $default_size ] ); 757 } 758 } 759 760 if ( ! wp_update_attachment_metadata( $post_id, $meta ) || 761 ( $old_backup_sizes !== $backup_sizes && ! update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes ) ) ) { 762 763 $msg->error = __( 'Cannot save image metadata.' ); 764 return $msg; 765 } 766 767 if ( ! $restored ) { 768 $msg->error = __( 'Image metadata is inconsistent.' ); 769 } else { 770 $msg->msg = __( 'Image restored successfully.' ); 771 } 772 773 return $msg; 774 } 775 776 /** 777 * Saves image to post, along with enqueued changes 778 * in `$_REQUEST['history']`. 779 * 780 * @since 2.9.0 781 * 782 * @param int $post_id Attachment post ID. 783 * @return stdClass 784 */ 785 function wp_save_image( $post_id ) { 786 $_wp_additional_image_sizes = wp_get_additional_image_sizes(); 787 788 $return = new stdClass; 789 $success = false; 790 $delete = false; 791 $scaled = false; 792 $nocrop = false; 793 $post = get_post( $post_id ); 794 795 $img = wp_get_image_editor( _load_image_to_edit_path( $post_id, 'full' ) ); 796 if ( is_wp_error( $img ) ) { 797 $return->error = esc_js( __( 'Unable to create new image.' ) ); 798 return $return; 799 } 800 801 $fwidth = ! empty( $_REQUEST['fwidth'] ) ? (int) $_REQUEST['fwidth'] : 0; 802 $fheight = ! empty( $_REQUEST['fheight'] ) ? (int) $_REQUEST['fheight'] : 0; 803 $target = ! empty( $_REQUEST['target'] ) ? preg_replace( '/[^a-z0-9_-]+/i', '', $_REQUEST['target'] ) : ''; 804 $scale = ! empty( $_REQUEST['do'] ) && 'scale' === $_REQUEST['do']; 805 806 if ( $scale && $fwidth > 0 && $fheight > 0 ) { 807 $size = $img->get_size(); 808 $sX = $size['width']; 809 $sY = $size['height']; 810 811 // Check if it has roughly the same w / h ratio. 812 $diff = round( $sX / $sY, 2 ) - round( $fwidth / $fheight, 2 ); 813 if ( -0.1 < $diff && $diff < 0.1 ) { 814 // Scale the full size image. 815 if ( $img->resize( $fwidth, $fheight ) ) { 816 $scaled = true; 817 } 818 } 819 820 if ( ! $scaled ) { 821 $return->error = esc_js( __( 'Error while saving the scaled image. Please reload the page and try again.' ) ); 822 return $return; 823 } 824 } elseif ( ! empty( $_REQUEST['history'] ) ) { 825 $changes = json_decode( wp_unslash( $_REQUEST['history'] ) ); 826 if ( $changes ) { 827 $img = image_edit_apply_changes( $img, $changes ); 828 } 829 } else { 830 $return->error = esc_js( __( 'Nothing to save, the image has not changed.' ) ); 831 return $return; 832 } 833 834 $meta = wp_get_attachment_metadata( $post_id ); 835 $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); 836 837 if ( ! is_array( $meta ) ) { 838 $return->error = esc_js( __( 'Image data does not exist. Please re-upload the image.' ) ); 839 return $return; 840 } 841 842 if ( ! is_array( $backup_sizes ) ) { 843 $backup_sizes = array(); 844 } 845 846 // Generate new filename. 847 $path = get_attached_file( $post_id ); 848 849 $basename = pathinfo( $path, PATHINFO_BASENAME ); 850 $dirname = pathinfo( $path, PATHINFO_DIRNAME ); 851 $ext = pathinfo( $path, PATHINFO_EXTENSION ); 852 $filename = pathinfo( $path, PATHINFO_FILENAME ); 853 $suffix = time() . rand( 100, 999 ); 854 855 if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE && 856 isset( $backup_sizes['full-orig'] ) && $backup_sizes['full-orig']['file'] != $basename ) { 857 858 if ( 'thumbnail' === $target ) { 859 $new_path = "{$dirname}/{$filename}-temp.{$ext}"; 860 } else { 861 $new_path = $path; 862 } 863 } else { 864 while ( true ) { 865 $filename = preg_replace( '/-e([0-9]+)$/', '', $filename ); 866 $filename .= "-e{$suffix}"; 867 $new_filename = "{$filename}.{$ext}"; 868 $new_path = "{$dirname}/$new_filename"; 869 if ( file_exists( $new_path ) ) { 870 $suffix++; 871 } else { 872 break; 873 } 874 } 875 } 876 877 // Save the full-size file, also needed to create sub-sizes. 878 if ( ! wp_save_image_file( $new_path, $img, $post->post_mime_type, $post_id ) ) { 879 $return->error = esc_js( __( 'Unable to save the image.' ) ); 880 return $return; 881 } 882 883 if ( 'nothumb' === $target || 'all' === $target || 'full' === $target || $scaled ) { 884 $tag = false; 885 if ( isset( $backup_sizes['full-orig'] ) ) { 886 if ( ( ! defined( 'IMAGE_EDIT_OVERWRITE' ) || ! IMAGE_EDIT_OVERWRITE ) && $backup_sizes['full-orig']['file'] !== $basename ) { 887 $tag = "full-$suffix"; 888 } 889 } else { 890 $tag = 'full-orig'; 891 } 892 893 if ( $tag ) { 894 $backup_sizes[ $tag ] = array( 895 'width' => $meta['width'], 896 'height' => $meta['height'], 897 'file' => $basename, 898 ); 899 } 900 $success = ( $path === $new_path ) || update_attached_file( $post_id, $new_path ); 901 902 $meta['file'] = _wp_relative_upload_path( $new_path ); 903 904 $size = $img->get_size(); 905 $meta['width'] = $size['width']; 906 $meta['height'] = $size['height']; 907 908 if ( $success && ( 'nothumb' === $target || 'all' === $target ) ) { 909 $sizes = get_intermediate_image_sizes(); 910 if ( 'nothumb' === $target ) { 911 $sizes = array_diff( $sizes, array( 'thumbnail' ) ); 912 } 913 } 914 915 $return->fw = $meta['width']; 916 $return->fh = $meta['height']; 917 } elseif ( 'thumbnail' === $target ) { 918 $sizes = array( 'thumbnail' ); 919 $success = true; 920 $delete = true; 921 $nocrop = true; 922 } 923 924 /* 925 * We need to remove any existing resized image files because 926 * a new crop or rotate could generate different sizes (and hence, filenames), 927 * keeping the new resized images from overwriting the existing image files. 928 * https://core.trac.wordpress.org/ticket/32171 929 */ 930 if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE && ! empty( $meta['sizes'] ) ) { 931 foreach ( $meta['sizes'] as $size ) { 932 if ( ! empty( $size['file'] ) && preg_match( '/-e[0-9]{13}-/', $size['file'] ) ) { 933 $delete_file = path_join( $dirname, $size['file'] ); 934 wp_delete_file( $delete_file ); 935 } 936 } 937 } 938 939 if ( isset( $sizes ) ) { 940 $_sizes = array(); 941 942 foreach ( $sizes as $size ) { 943 $tag = false; 944 if ( isset( $meta['sizes'][ $size ] ) ) { 945 if ( isset( $backup_sizes[ "$size-orig" ] ) ) { 946 if ( ( ! defined( 'IMAGE_EDIT_OVERWRITE' ) || ! IMAGE_EDIT_OVERWRITE ) && $backup_sizes[ "$size-orig" ]['file'] != $meta['sizes'][ $size ]['file'] ) { 947 $tag = "$size-$suffix"; 948 } 949 } else { 950 $tag = "$size-orig"; 951 } 952 953 if ( $tag ) { 954 $backup_sizes[ $tag ] = $meta['sizes'][ $size ]; 955 } 956 } 957 958 if ( isset( $_wp_additional_image_sizes[ $size ] ) ) { 959 $width = (int) $_wp_additional_image_sizes[ $size ]['width']; 960 $height = (int) $_wp_additional_image_sizes[ $size ]['height']; 961 $crop = ( $nocrop ) ? false : $_wp_additional_image_sizes[ $size ]['crop']; 962 } else { 963 $height = get_option( "{$size}_size_h" ); 964 $width = get_option( "{$size}_size_w" ); 965 $crop = ( $nocrop ) ? false : get_option( "{$size}_crop" ); 966 } 967 968 $_sizes[ $size ] = array( 969 'width' => $width, 970 'height' => $height, 971 'crop' => $crop, 972 ); 973 } 974 975 $meta['sizes'] = array_merge( $meta['sizes'], $img->multi_resize( $_sizes ) ); 976 } 977 978 unset( $img ); 979 980 if ( $success ) { 981 wp_update_attachment_metadata( $post_id, $meta ); 982 update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes ); 983 984 if ( 'thumbnail' === $target || 'all' === $target || 'full' === $target ) { 985 // Check if it's an image edit from attachment edit screen. 986 if ( ! empty( $_REQUEST['context'] ) && 'edit-attachment' === $_REQUEST['context'] ) { 987 $thumb_url = wp_get_attachment_image_src( $post_id, array( 900, 600 ), true ); 988 $return->thumbnail = $thumb_url[0]; 989 } else { 990 $file_url = wp_get_attachment_url( $post_id ); 991 if ( ! empty( $meta['sizes']['thumbnail'] ) ) { 992 $thumb = $meta['sizes']['thumbnail']; 993 $return->thumbnail = path_join( dirname( $file_url ), $thumb['file'] ); 994 } else { 995 $return->thumbnail = "$file_url?w=128&h=128"; 996 } 997 } 998 } 999 } else { 1000 $delete = true; 1001 } 1002 1003 if ( $delete ) { 1004 wp_delete_file( $new_path ); 1005 } 1006 1007 $return->msg = esc_js( __( 'Image saved' ) ); 1008 return $return; 1009 }
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| Generated: Wed Aug 4 01:00:05 2021 | Cross-referenced by PHPXref 0.7.1 |