* Copies a slice of the given buffer * @hidden

* @param {CanvasRenderingContext2D} ctx * @returns {MonochromeInfo}

Used by Eraser tool

* @param {Uint8ClampedArray | number[]} rgba1 * @param {Uint8ClampedArray | number[]} rgba2 * @returns {CanvasPattern[]}

* @param {boolean} reverse * @param {string[]} colors * @param {number=} stripe_size * @returns {CanvasPattern}

* @param {boolean} [going_to_history_node]

* Converts `value` to a string using `Object.prototype.toString`. * * @private * @param {*} value The value to convert. * @returns {string} Re

* Produces a new onerror handler for IDB. Our errors are always fatal, so we * handle them generically: Call the user-supplied callback with a trans

* @param {string} commandId

* Restores the window from minimized state.