stream_preview_image( int $post_id )
Streams image in post to browser, along with enqueued changes in $_REQUEST['history']
.
Parameters
- $post_id
-
(Required) Attachment post ID.
Return
(bool) True on success, false on failure.
Source
File: wp-admin/includes/image-edit.php
function stream_preview_image( $post_id ) {
$post = get_post( $post_id );
wp_raise_memory_limit( 'admin' );
$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 );
}
Changelog
Version | Description |
---|---|
2.9.0 | Introduced. |