## Image Boolean Indicator

A boolean widget which uses two images to represent its On/Off states. It supports GIF, PNG, JPG, JPEG, BMP images. It is able to indicate a single bit of the PV value as on/off according the `Bit` property. Or to indicate the whole PV value if `Bit` property is -1.

### Special Properties

- On Image (on_image)
    The image which represents its ON state.
- Off Image (off_image)
    The image which represents its OFF state.
- Stretch to Fit (stretch_to_fit)
    Stretch the images to fit the widget size.
- Auto Size (auto_size)
    Automatically adjust the size of the widget to the image size. This only works if `Stretch to Fit` is not enabled.

### See Also

- Properties Common to Boolean Widgets
- Properties Common to PV Widgets
- Properties Common to All Widgets