* @param {number} idx * @param {number=} maxBytesToRead * @return {string}

* @param {number} idx * @param {number=} maxBytesToRead * @return {string}

* Applies an image transformation to the selection, if it exists, or otherwise the whole document. * * The transformation function can change the si

* Prompts the user to save changes to the document. * @param {(info?: { canvas_modified_while_loading?: boolean }) => void} action * @param {() => v

* Converts the given array buffer into a Buffer. Attempts to be * zero-copy. * @hidden

* Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (e.g. a

* @param {string} name filename without extension * @param {[number, number]} coords hotspot coordinates * @param {string} fallback fallback curs

* Maximizes the window. While maximized, the window will use `position: fixed`, so it will not scroll with the page.

* @hidden

* @hidden

* @param {Blob} file * @param {UserFileHandle} source_file_handle

Called when... Can return true to indicate it should be animated (re-rendered next frame)