screen

Documentation

Overview

Package screen provides access to the Sense HAT's 8x8 LED matrix.

Index

• func Clear() error
• func Draw(fb *FrameBuffer) error
• func DrawImage(m image.Image) error
• type FrameBuffer
  • func NewFrameBuffer(options ...func(*FrameBuffer)) *FrameBuffer
  • func (fb *FrameBuffer) At(x, y int) color.Color
  • func (fb *FrameBuffer) Bounds() image.Rectangle
  • func (fb *FrameBuffer) ColorModel() color.Model
  • func (fb *FrameBuffer) Set(x, y int, c color.Color)
  • func (fb *FrameBuffer) SetImage(m image.Image)

Functions

func Clear

func Clear() error

Clear the screen (off).

func Draw

func Draw(fb *FrameBuffer) error

Draw a buffer to the LED matrix screen.

func DrawImage

func DrawImage(m image.Image) error

DrawImage draws an image to the LED matrix screen.

Types

type FrameBuffer

type FrameBuffer struct {
	*texture.Texture
}

FrameBuffer is an 8x8 texture that can draw to the LED Matrix.

func NewFrameBuffer

func NewFrameBuffer(options ...func(*FrameBuffer)) *FrameBuffer

NewFrameBuffer creates a back buffer for the screen.

func (*FrameBuffer) At

func (fb *FrameBuffer) At(x, y int) color.Color

At returns the color of the LED at x,y

func (*FrameBuffer) Bounds

func (fb *FrameBuffer) Bounds() image.Rectangle

Bounds of the frame buffer (it is 8x8)

func (*FrameBuffer) ColorModel

func (fb *FrameBuffer) ColorModel() color.Model

ColorModel of the frame buffer

func (*FrameBuffer) Set

func (fb *FrameBuffer) Set(x, y int, c color.Color)

Set the color of the LED at x,y

func (*FrameBuffer) SetImage

func (fb *FrameBuffer) SetImage(m image.Image)

SetImage sets the frame buffer to the provided image