Files: wp-includes/class-wp-image-editor.php

Returns preferred mime-type and extension based on provided file’s extension and mime, or current file’s extension and mime.

Builds an output filename based on current file, and adding proper suffix

Builds and returns proper suffix for file based on height and width.

Check if a JPEG image has EXIF Orientation tag and rotate it if needed.

Either calls editor’s save function or handles file as a stream.

Returns first matched mime-type from extension, as mapped from wp_get_mime_types()

Returns first matched extension from Mime-type, as mapped from wp_get_mime_types()

Gets the Image Compression quality on a 1-100% scale.

Sets Image Compression quality on a 1-100% scale.

Checks to see if current environment supports the editor chosen.

Checks to see if editor supports the mime-type specified.

Loads image from $this->file into editor.

Saves current image to file.

Resizes current image.