An example of rotating an image using Rust

rotate_an_image_main.rs

use image::Rgba;
use image::ImageBuffer;
use image::DynamicImage;
use imageproc::geometric_transformations::Interpolation;
use image::{ImageOutputFormat, GenericImageView, ImageFormat};
use imageproc::geometric_transformations::rotate_about_center;

fn main() {
    let dyn_img = image::open("/Users/tpmccallum/Documents/cat.png").unwrap();
    let (w,h) = dyn_img.dimensions();
    println!("W: {:?}", w);
    println!("H: {:?}", h);
    let image_bytes = DynamicImage::into_bytes(dyn_img);
    let image_buffer = ImageBuffer::<Rgba<u8>, Vec<u8>>::from_vec(w, h, image_bytes[..].to_vec()).unwrap();
    let rotated_image: ImageBuffer::<Rgba<u8>, Vec<u8>> = rotate_about_center(&image_buffer, 0.45, Interpolation::Nearest, Rgba([255, 0, 0, 0]));
    rotated_image.save("/Users/tpmccallum/Documents/rotated_cat.png");
}