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Showing content from https://docs.rs/embedded-graphics/latest/embedded_graphics/image/struct.ImageRaw.html below:

ImageRaw in embedded_graphics::image - Rust

pub struct ImageRaw<'a, C, BO = BigEndian>{  }

An image constructed from a slice of raw pixel data.

The ImageRaw struct can be used to construct an image from a slice of raw image data. The storage format is determined by the PixelColor type C and the ByteOrder BO. The byteorder doesn’t need to be specified for colors which aren’t stored in multiple bytes.

For color types with less than 8 bits per pixels the start of each row is aligned to the next whole byte.

Details about the conversion of raw data to color types are explained in the raw module documentation.

To draw an ImageRaw object it needs to be wrapped in an Image object.

This example creates an image from 1 bit per pixel data.

use embedded_graphics::{
    image::{Image, ImageRaw},
    pixelcolor::BinaryColor,
    prelude::*,
};

#[rustfmt::skip]
const DATA: &[u8] = &[
    0b11101111, 0b0101_0000,
    0b10001000, 0b0101_0000,
    0b11101011, 0b0101_0000,
    0b10001001, 0b0101_0000,
    0b11101111, 0b0101_0000,
];

let raw_image = ImageRaw::<BinaryColor>::new(DATA, 12);

let image = Image::new(&raw_image, Point::zero());

let mut display = Display::default();

image.draw(&mut display)?;

Colors with more than one byte per pixel need an additional type annotation for the byte order. For convenience, the ImageRawBE and ImageRawLE type aliases can be used to abbreviate the type.

use embedded_graphics::{
    image::{Image, ImageRaw, ImageRawBE, ImageRawLE},
    pixelcolor::{
        raw::{BigEndian, LittleEndian},
        Rgb565, Rgb888,
    },
    prelude::*,
};

let image1 = ImageRawBE::<Rgb888>::new(DATA, 8);
let image2 = ImageRaw::<Rgb888, BigEndian>::new(DATA, 8);

let image1 = ImageRawLE::<Rgb565>::new(DATA, 16);
let image2 = ImageRaw::<Rgb565, LittleEndian>::new(DATA, 16);

Creates a new image.

Only the width of the image needs to be specified. The height of the image will be calculated based on the length of the given image data. If the length of the image data isn’t an integer multiple of the data length for a single row the last partial row will be ignored.

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