Struct epd_waveshare::epd4in2::Display4in2

pub struct Display4in2 { /* fields omitted */ }

Full size buffer for use with the 4in2 EPD

Can also be manuall constructed: buffer: [DEFAULT_BACKGROUND_COLOR.get_byte_value(); WIDTH / 8 * HEIGHT]

Trait Implementations

impl Default for Display4in2

fn default() -> Self

Returns the "default value" for a type.

impl Display for Display4in2

fn buffer(&self) -> &[u8]

Returns the buffer

fn get_mut_buffer(&mut self) -> &mut [u8]

Returns a mutable buffer

fn set_rotation(&mut self, rotation: DisplayRotation)

Sets the rotation of the display

fn rotation(&self) -> DisplayRotation

Get the current rotation of the display

fn clear_buffer(&mut self, background_color: Color)

Clears the buffer of the display with the chosen background color

fn draw_helper(
    &mut self,
    width: u32,
    height: u32,
    pixel: Pixel<BinaryColor>
) -> Result<(), Self::Error>

Helperfunction for the Embedded Graphics draw trait

impl DrawTarget<BinaryColor> for Display4in2

type Error = Infallible

Error type to return when a drawing operation fails.

fn draw_pixel(&mut self, pixel: Pixel<BinaryColor>) -> Result<(), Self::Error>

Draws a pixel on the display.

fn size(&self) -> Size

Returns the dimensions of the DrawTarget in pixels.

fn draw_iter<T>(&mut self, item: T) -> Result<(), Self::Error> where
    T: IntoIterator<Item = Pixel<C>>, 

Draws an object from an iterator over its pixels.

fn clear(&mut self, color: C) -> Result<(), Self::Error>

Clears the display with the supplied color.

fn draw_line(
    &mut self,
    item: &Styled<Line, PrimitiveStyle<C>>
) -> Result<(), Self::Error>

Draws a styled line primitive.

fn draw_triangle(
    &mut self,
    item: &Styled<Triangle, PrimitiveStyle<C>>
) -> Result<(), Self::Error>

Draws a styled triangle primitive.

fn draw_rectangle(
    &mut self,
    item: &Styled<Rectangle, PrimitiveStyle<C>>
) -> Result<(), Self::Error>

Draws a styled rectangle primitive.

fn draw_circle(
    &mut self,
    item: &Styled<Circle, PrimitiveStyle<C>>
) -> Result<(), Self::Error>

Draws a styled circle primitive.

fn draw_image<'b, I>(
    &mut self,
    item: &'a Image<'b, I, C>
) -> Result<(), Self::Error> where
    C: PixelColor + From<<C as PixelColor>::Raw>,
    I: ImageDimensions,
    &'b I: IntoPixelIter<C>, 

Draws an image with known size