400 ? 400 / $big : 1; $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); $can_restore = false; if ( ! empty( $backup_sizes ) && isset( $backup_sizes['full-orig'], $meta['file'] ) ) $can_restore = $backup_sizes['full-orig']['file'] != basename( $meta['file'] ); if ( $msg ) { if ( isset($msg->error) ) $note = "

$msg->error

"; elseif ( isset($msg->msg) ) $note = "

$msg->msg

"; } ?>

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stream( $mime_type ) ) ) return false; return true; } else { _deprecated_argument( __FUNCTION__, '3.5', __( '$image needs to be an WP_Image_Editor object' ) ); $image = apply_filters('image_save_pre', $image, $post_id); switch ( $mime_type ) { case 'image/jpeg': header( 'Content-Type: image/jpeg' ); return imagejpeg( $image, null, 90 ); case 'image/png': header( 'Content-Type: image/png' ); return imagepng( $image ); case 'image/gif': header( 'Content-Type: image/gif' ); return imagegif( $image ); default: return false; } } } /** * Saves Image to File * * @param string $filename * @param WP_Image_Editor $image * @param string $mime_type * @param int $post_id * @return boolean */ function wp_save_image_file( $filename, $image, $mime_type, $post_id ) { if ( $image instanceof WP_Image_Editor ) { $image = apply_filters('image_editor_save_pre', $image, $post_id); $saved = apply_filters('wp_save_image_editor_file', null, $filename, $image, $mime_type, $post_id); if ( null !== $saved ) return $saved; return $image->save( $filename, $mime_type ); } else { _deprecated_argument( __FUNCTION__, '3.5', __( '$image needs to be an WP_Image_Editor object' ) ); $image = apply_filters('image_save_pre', $image, $post_id); $saved = apply_filters('wp_save_image_file', null, $filename, $image, $mime_type, $post_id); if ( null !== $saved ) return $saved; switch ( $mime_type ) { case 'image/jpeg': /** This filter is documented in wp-includes/class-wp-image-editor.php */ return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) ); case 'image/png': return imagepng( $image, $filename ); case 'image/gif': return imagegif( $image, $filename ); default: return false; } } } function _image_get_preview_ratio($w, $h) { $max = max($w, $h); return $max > 400 ? (400 / $max) : 1; } // @TODO: Returns GD resource, but is NOT public function _rotate_image_resource($img, $angle) { _deprecated_function( __FUNCTION__, '3.5', __( 'Use WP_Image_Editor::rotate' ) ); if ( function_exists('imagerotate') ) { $rotated = imagerotate($img, $angle, 0); if ( is_resource($rotated) ) { imagedestroy($img); $img = $rotated; } } return $img; } /** * @TODO: Only used within image_edit_apply_changes * and receives/returns GD Resource. * Consider removal. * * @param GD_Resource $img * @param boolean $horz * @param boolean $vert * @return GD_Resource */ function _flip_image_resource($img, $horz, $vert) { _deprecated_function( __FUNCTION__, '3.5', __( 'Use WP_Image_Editor::flip' ) ); $w = imagesx($img); $h = imagesy($img); $dst = wp_imagecreatetruecolor($w, $h); if ( is_resource($dst) ) { $sx = $vert ? ($w - 1) : 0; $sy = $horz ? ($h - 1) : 0; $sw = $vert ? -$w : $w; $sh = $horz ? -$h : $h; if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) { imagedestroy($img); $img = $dst; } } return $img; } /** * @TODO: Only used within image_edit_apply_changes * and receives/returns GD Resource. * Consider removal. * * @param GD_Resource $img * @param float $x * @param float $y * @param float $w * @param float $h * @return GD_Resource */ function _crop_image_resource($img, $x, $y, $w, $h) { $dst = wp_imagecreatetruecolor($w, $h); if ( is_resource($dst) ) { if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) { imagedestroy($img); $img = $dst; } } return $img; } /** * Performs group of changes on Editor specified. * * @param WP_Image_Editor $image * @param type $changes * @return WP_Image_Editor */ function image_edit_apply_changes( $image, $changes ) { if ( is_resource( $image ) ) _deprecated_argument( __FUNCTION__, '3.5', __( '$image needs to be an WP_Image_Editor object' ) ); if ( !is_array($changes) ) return $image; // expand change operations foreach ( $changes as $key => $obj ) { if ( isset($obj->r) ) { $obj->type = 'rotate'; $obj->angle = $obj->r; unset($obj->r); } elseif ( isset($obj->f) ) { $obj->type = 'flip'; $obj->axis = $obj->f; unset($obj->f); } elseif ( isset($obj->c) ) { $obj->type = 'crop'; $obj->sel = $obj->c; unset($obj->c); } $changes[$key] = $obj; } // combine operations if ( count($changes) > 1 ) { $filtered = array($changes[0]); for ( $i = 0, $j = 1; $j < count($changes); $j++ ) { $combined = false; if ( $filtered[$i]->type == $changes[$j]->type ) { switch ( $filtered[$i]->type ) { case 'rotate': $filtered[$i]->angle += $changes[$j]->angle; $combined = true; break; case 'flip': $filtered[$i]->axis ^= $changes[$j]->axis; $combined = true; break; } } if ( !$combined ) $filtered[++$i] = $changes[$j]; } $changes = $filtered; unset($filtered); } // image resource before applying the changes if ( $image instanceof WP_Image_Editor ) $image = apply_filters('wp_image_editor_before_change', $image, $changes); elseif ( is_resource( $image ) ) $image = apply_filters('image_edit_before_change', $image, $changes); foreach ( $changes as $operation ) { switch ( $operation->type ) { case 'rotate': if ( $operation->angle != 0 ) { if ( $image instanceof WP_Image_Editor ) $image->rotate( $operation->angle ); else $image = _rotate_image_resource( $image, $operation->angle ); } break; case 'flip': if ( $operation->axis != 0 ) if ( $image instanceof WP_Image_Editor ) $image->flip( ($operation->axis & 1) != 0, ($operation->axis & 2) != 0 ); else $image = _flip_image_resource( $image, ( $operation->axis & 1 ) != 0, ( $operation->axis & 2 ) != 0 ); break; case 'crop': $sel = $operation->sel; if ( $image instanceof WP_Image_Editor ) { $size = $image->get_size(); $w = $size['width']; $h = $size['height']; $scale = 1 / _image_get_preview_ratio( $w, $h ); // discard preview scaling $image->crop( $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale ); } else { $scale = 1 / _image_get_preview_ratio( imagesx( $image ), imagesy( $image ) ); // discard preview scaling $image = _crop_image_resource( $image, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale ); } break; } } return $image; } /** * Streams image in post to browser, along with enqueued changes * in $_REQUEST['history'] * * @param int $post_id * @return boolean */ function stream_preview_image( $post_id ) { $post = get_post( $post_id ); @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) ); $img = wp_get_image_editor( _load_image_to_edit_path( $post_id ) ); if ( is_wp_error( $img ) ) return false; $changes = !empty($_REQUEST['history']) ? json_decode( wp_unslash($_REQUEST['history']) ) : null; if ( $changes ) $img = image_edit_apply_changes( $img, $changes ); // scale the image $size = $img->get_size(); $w = $size['width']; $h = $size['height']; $ratio = _image_get_preview_ratio( $w, $h ); $w2 = max ( 1, $w * $ratio ); $h2 = max ( 1, $h * $ratio ); if ( is_wp_error( $img->resize( $w2, $h2 ) ) ) return false; return wp_stream_image( $img, $post->post_mime_type, $post_id ); } function wp_restore_image($post_id) { $meta = wp_get_attachment_metadata($post_id); $file = get_attached_file($post_id); $backup_sizes = get_post_meta( $post_id, '_wp_attachment_backup_sizes', true ); $restored = false; $msg = new stdClass; if ( !is_array($backup_sizes) ) { $msg->error = __('Cannot load image metadata.'); return $msg; } $parts = pathinfo($file); $suffix = time() . rand(100, 999); $default_sizes = get_intermediate_image_sizes(); if ( isset($backup_sizes['full-orig']) && is_array($backup_sizes['full-orig']) ) { $data = $backup_sizes['full-orig']; if ( $parts['basename'] != $data['file'] ) { if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) { // delete only if it's edited image if ( preg_match('/-e[0-9]{13}\./', $parts['basename']) ) { /** This filter is documented in wp-admin/custom-header.php */ $delpath = apply_filters('wp_delete_file', $file); @unlink($delpath); } } elseif ( isset( $meta['width'], $meta['height'] ) ) { $backup_sizes["full-$suffix"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $parts['basename']); } } $restored_file = path_join($parts['dirname'], $data['file']); $restored = update_attached_file($post_id, $restored_file); $meta['file'] = _wp_relative_upload_path( $restored_file ); $meta['width'] = $data['width']; $meta['height'] = $data['height']; } foreach ( $default_sizes as $default_size ) { if ( isset($backup_sizes["$default_size-orig"]) ) { $data = $backup_sizes["$default_size-orig"]; if ( isset($meta['sizes'][$default_size]) && $meta['sizes'][$default_size]['file'] != $data['file'] ) { if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE ) { // delete only if it's edited image if ( preg_match('/-e[0-9]{13}-/', $meta['sizes'][$default_size]['file']) ) { /** This filter is documented in wp-admin/custom-header.php */ $delpath = apply_filters( 'wp_delete_file', path_join($parts['dirname'], $meta['sizes'][$default_size]['file']) ); @unlink($delpath); } } else { $backup_sizes["$default_size-{$suffix}"] = $meta['sizes'][$default_size]; } } $meta['sizes'][$default_size] = $data; } else { unset($meta['sizes'][$default_size]); } } if ( !wp_update_attachment_metadata($post_id, $meta) || !update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes) ) { $msg->error = __('Cannot save image metadata.'); return $msg; } if ( !$restored ) $msg->error = __('Image metadata is inconsistent.'); else $msg->msg = __('Image restored successfully.'); return $msg; } /** * Saves image to post along with enqueued changes * in $_REQUEST['history'] * * @param int $post_id * @return \stdClass */ function wp_save_image( $post_id ) { $return = new stdClass; $success = $delete = $scaled = $nocrop = false; $post = get_post( $post_id ); $img = wp_get_image_editor( _load_image_to_edit_path( $post_id, 'full' ) ); if ( is_wp_error( $img ) ) { $return->error = esc_js( __('Unable to create new image.') ); return $return; } $fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0; $fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0; $target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : ''; $scale = !empty($_REQUEST['do']) && 'scale' == $_REQUEST['do']; if ( $scale && $fwidth > 0 && $fheight > 0 ) { $size = $img->get_size(); $sX = $size['width']; $sY = $size['height']; // check if it has roughly the same w / h ratio $diff = round($sX / $sY, 2) - round($fwidth / $fheight, 2); if ( -0.1 < $diff && $diff < 0.1 ) { // scale the full size image if ( $img->resize( $fwidth, $fheight ) ) $scaled = true; } if ( !$scaled ) { $return->error = esc_js( __('Error while saving the scaled image. Please reload the page and try again.') ); return $return; } } elseif ( !empty($_REQUEST['history']) ) { $changes = json_decode( wp_unslash($_REQUEST['history']) ); if ( $changes ) $img = image_edit_apply_changes($img, $changes); } else { $return->error = esc_js( __('Nothing to save, the image has not changed.') ); return $return; } $meta = wp_get_attachment_metadata($post_id); $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); if ( !is_array($meta) ) { $return->error = esc_js( __('Image data does not exist. Please re-upload the image.') ); return $return; } if ( !is_array($backup_sizes) ) $backup_sizes = array(); // generate new filename $path = get_attached_file($post_id); $path_parts = pathinfo( $path ); $filename = $path_parts['filename']; $suffix = time() . rand(100, 999); if ( defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE && isset($backup_sizes['full-orig']) && $backup_sizes['full-orig']['file'] != $path_parts['basename'] ) { if ( 'thumbnail' == $target ) $new_path = "{$path_parts['dirname']}/{$filename}-temp.{$path_parts['extension']}"; else $new_path = $path; } else { while( true ) { $filename = preg_replace( '/-e([0-9]+)$/', '', $filename ); $filename .= "-e{$suffix}"; $new_filename = "{$filename}.{$path_parts['extension']}"; $new_path = "{$path_parts['dirname']}/$new_filename"; if ( file_exists($new_path) ) $suffix++; else break; } } // save the full-size file, also needed to create sub-sizes if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) ) { $return->error = esc_js( __('Unable to save the image.') ); return $return; } if ( 'nothumb' == $target || 'all' == $target || 'full' == $target || $scaled ) { $tag = false; if ( isset($backup_sizes['full-orig']) ) { if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes['full-orig']['file'] != $path_parts['basename'] ) $tag = "full-$suffix"; } else { $tag = 'full-orig'; } if ( $tag ) $backup_sizes[$tag] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $path_parts['basename']); $success = update_attached_file( $post_id, $new_path ); $meta['file'] = _wp_relative_upload_path( $new_path ); $size = $img->get_size(); $meta['width'] = $size['width']; $meta['height'] = $size['height']; if ( $success && ('nothumb' == $target || 'all' == $target) ) { $sizes = get_intermediate_image_sizes(); if ( 'nothumb' == $target ) $sizes = array_diff( $sizes, array('thumbnail') ); } $return->fw = $meta['width']; $return->fh = $meta['height']; } elseif ( 'thumbnail' == $target ) { $sizes = array( 'thumbnail' ); $success = $delete = $nocrop = true; } if ( isset( $sizes ) ) { $_sizes = array(); foreach ( $sizes as $size ) { $tag = false; if ( isset( $meta['sizes'][$size] ) ) { if ( isset($backup_sizes["$size-orig"]) ) { if ( ( !defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE ) && $backup_sizes["$size-orig"]['file'] != $meta['sizes'][$size]['file'] ) $tag = "$size-$suffix"; } else { $tag = "$size-orig"; } if ( $tag ) $backup_sizes[$tag] = $meta['sizes'][$size]; } $crop = $nocrop ? false : get_option("{$size}_crop"); $_sizes[ $size ] = array( 'width' => get_option("{$size}_size_w"), 'height' => get_option("{$size}_size_h"), 'crop' => $crop ); } $meta['sizes'] = array_merge( $meta['sizes'], $img->multi_resize( $_sizes ) ); } unset( $img ); if ( $success ) { wp_update_attachment_metadata( $post_id, $meta ); update_post_meta( $post_id, '_wp_attachment_backup_sizes', $backup_sizes); if ( $target == 'thumbnail' || $target == 'all' || $target == 'full' ) { // Check if it's an image edit from attachment edit screen if ( ! empty( $_REQUEST['context'] ) && 'edit-attachment' == $_REQUEST['context'] ) { $thumb_url = wp_get_attachment_image_src( $post_id, array( 900, 600 ), true ); $return->thumbnail = $thumb_url[0]; } else { $file_url = wp_get_attachment_url($post_id); if ( $thumb = $meta['sizes']['thumbnail'] ) $return->thumbnail = path_join( dirname($file_url), $thumb['file'] ); else $return->thumbnail = "$file_url?w=128&h=128"; } } } else { $delete = true; } if ( $delete ) { /** This filter is documented in wp-admin/custom-header.php */ $delpath = apply_filters('wp_delete_file', $new_path); @unlink( $delpath ); } $return->msg = esc_js( __('Image saved') ); return $return; }