View Options

Zoom

The zoombar lets you zoom in or out so that you can get a more detailed or general view. The arrows taking place on each side of the zoombar allow to increase/reduce twice the zoom ratio. The button with black rectangle fits zoom ratio to 100%.

Auto Zoom

Automatically sets optimal zoom ratio.

Preview

Read info here.

Buffer's ComboBox

Allows to view contents of selected buffer in the image view area.