Class EPaperMonoBase

Provide an interface for ePaper monochrome displays

Assembly: EPaper.dll

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public abstract class EPaperMonoBase : EPaperBase, ISpiPeripheral, IDisposable, IGraphicsDisplay

Inheritance: System.Object -> Meadow.Foundation.Displays.EPaperBase

Derived:
Meadow.Foundation.Displays.Epd4in2, Meadow.Foundation.Displays.Il3897, Meadow.Foundation.Displays.Il91874V03, Meadow.Foundation.Displays.Ssd1608

Implements:
Meadow.Hardware.ISpiPeripheral, System.IDisposable, Meadow.Foundation.Graphics.IGraphicsDisplay

Properties

ColorMode

Display color mode

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public ColorMode ColorMode { get; }

SupportedColorModes

The Color mode supported by the display

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public ColorMode SupportedColorModes { get; }

PixelBuffer

The buffer the holds the pixel data for the display

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public IPixelBuffer PixelBuffer { get; }

EnabledColor

The color to draw when a pixel is enabled

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public Color EnabledColor { get; }

DisabledColor

The color to draw when a pixel is disabled

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public Color DisabledColor { get; }

Width

Width of display in pixels

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public int Width { get; }

Height

Height of display in pixels

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public int Height { get; }

Fields

imageBuffer

Buffer to hold display data

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protected readonly Buffer1bppV imageBuffer

Methods

Initialize()

Initialize display

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protected abstract void Initialize()

Clear(bool)

Clear display buffer

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public void Clear(bool updateDisplay = false)

Parameters

Type	Name	Description
System.Boolean	updateDisplay	force display update

Fill(Color, bool)

Clear the display

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public void Fill(Color color, bool updateDisplay = false)

Parameters

Type	Name	Description
Meadow.Color	color	Color to set the display (not used on ePaper displays)
System.Boolean	updateDisplay	Update the display once the buffer has been cleared when true

Fill(int, int, int, int, Color)

Fill the display buffer with a color

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public void Fill(int x, int y, int width, int height, Color color)

Parameters

Type	Name	Description
System.Int32	x	x location in pixels to start fill
System.Int32	y	y location in pixels to start fill
System.Int32	width	width in pixels to fill
System.Int32	height	height in pixels to fill
Meadow.Color	color	color to fill

Clear(bool, bool)

Clear the display

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public void Clear(bool enabled, bool updateDisplay = false)

Parameters

Type	Name	Description
System.Boolean	enabled	Set the display to the enabled or disabled color (defaults are black and white)
System.Boolean	updateDisplay	Update the display once the buffer has been cleared when true

DrawPixel(int, int, bool)

Draw a single pixel

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public void DrawPixel(int x, int y, bool enabled)

Parameters

Type	Name	Description
System.Int32	x	x location
System.Int32	y	y location
System.Boolean	enabled	Turn the pixel on (true) or off (false)

DrawPixel(int, int, Color)

Draw a single pixel

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public void DrawPixel(int x, int y, Color color)

Parameters

Type	Name	Description
System.Int32	x	x location
System.Int32	y	y location
Meadow.Color	color	Color of pixel

InvertPixel(int, int)

Invert color of pixel

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public void InvertPixel(int x, int y)

Parameters

Type	Name	Description
System.Int32	x	x coordinate of pixel
System.Int32	y	y coordinate of pixel

Show(int, int, int, int)

Draw the display buffer to screen

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public virtual void Show(int left, int top, int right, int bottom)

Parameters

Type	Name
System.Int32	left
System.Int32	top
System.Int32	right
System.Int32	bottom

Show()

Draw the display buffer to screen

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public virtual void Show()

WriteBuffer(int, int, IPixelBuffer)

Draw a buffer at a specific location

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public void WriteBuffer(int x, int y, IPixelBuffer displayBuffer)

Parameters

Type	Name	Description
System.Int32	x	x location in pixels
System.Int32	y	y location in pixels
Meadow.Foundation.Graphics.Buffers.IPixelBuffer	displayBuffer

SetFrameMemory(byte[], int, int, int, int)

Set frame buffer memory of display

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public virtual void SetFrameMemory(byte[] buffer, int x, int y, int width, int height)

Parameters

Type	Name	Description
System.Byte[]	buffer	buffer
System.Int32	x	x location
System.Int32	y	y location
System.Int32	width	width in pixels
System.Int32	height	height in pixels

SetFrameMemory(byte[])

Set frame buffer memory of display (full screen)

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public virtual void SetFrameMemory(byte[] buffer)

Parameters

Type	Name	Description
System.Byte[]	buffer	The image buffer

DisplayFrame()

Display frame buffer

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public virtual void DisplayFrame()

Sleep()

Set display to sleep mode

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protected virtual void Sleep()

SendCommand(Command)

Set command to display

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protected void SendCommand(EPaperMonoBase.Command command)

Parameters

Type	Name	Description
Meadow.Foundation.Displays.EPaperMonoBase.Command	command	command

Implements

• Meadow.Hardware.ISpiPeripheral
• System.IDisposable
• Meadow.Foundation.Graphics.IGraphicsDisplay