All Implemented Interfaces:

com.diozero.api.DeviceInterface , java.lang.AutoCloseable
```
public abstract class GrayOled
 implements DeviceInterface
                    
```
Abstract B/W display.
TODO Both C++ and Python use an in-memory buffer and only write to the display when that "region" is dirty TODO Because Java has a separate image construct, is this necessary?

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public enum`	`GrayOled.DisplayType`

Field Summary

Fields
Modifier and Type	Field	Description
`public final static Integer`	`CMD_MODE`
`public final static Integer`	`BLACK`
`public final static Integer`	`WHITE`
`private Boolean`	`displayOn`
`private Boolean`	`autoShow`
`private final Integer`	`width`
`private final Integer`	`height`
`private final GrayOled.DisplayType`	`displayType`

Constructor Summary

Constructors
Constructor	Description
`GrayOled(SsdOledCommunicationChannel delegate, Integer width, Integer height, GrayOled.DisplayType displayType, IntArray initializationSequence, Boolean reset, Boolean initAutoShow)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`abstract Boolean`	`getDisplayOn()`
`abstract Unit`	`setDisplayOn(Boolean displayOn)`
`final Boolean`	`getAutoShow()`
`final Unit`	`setAutoShow(Boolean autoShow)`
`final Integer`	`getWidth()`
`final Integer`	`getHeight()`
`final GrayOled.DisplayType`	`getDisplayType()`
`Unit`	`close()`
`abstract Unit`	`invertDisplay(Boolean invert)`
`Integer`	`getNativeImageType()`
`final Unit`	`clear()`	Basically displays a black rectangle, with optional dimensions.
`BufferedImage`	`display(BufferedImage image)`	Display an image: scales and converts the image into the internal buffer.
`final Unit`	`show()`	Transfers the internal buffer to the display.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GrayOled

GrayOled(SsdOledCommunicationChannel delegate, Integer width, Integer height, GrayOled.DisplayType displayType, IntArray initializationSequence, Boolean reset, Boolean initAutoShow)

Method Detail

getDisplayOn
```
 abstract Boolean getDisplayOn()
```

setDisplayOn

 abstract Unit setDisplayOn(Boolean displayOn)

getAutoShow
```
 final Boolean getAutoShow()
```

setAutoShow

 final Unit setAutoShow(Boolean autoShow)

getWidth
```
 final Integer getWidth()
```

getHeight
```
 final Integer getHeight()
```

getDisplayType

 final GrayOled.DisplayType getDisplayType()

close
```
 Unit close()
```

invertDisplay

 abstract Unit invertDisplay(Boolean invert)

getNativeImageType
```
 Integer getNativeImageType()
```

clear
```
 final Unit clear()
```
Basically displays a black rectangle, with optional dimensions.

display
```
 BufferedImage display(BufferedImage image)
```
Display an image: scales and converts the image into the internal buffer. If autoShow is true, the display will be updated.

show
```
 final Unit show()
```
Transfers the internal buffer to the display.

Class GrayOled

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

GrayOled

Method Detail

getDisplayOn

setDisplayOn

getAutoShow

setAutoShow

getWidth

getHeight

getDisplayType

close

invertDisplay

getNativeImageType

clear

display

show