palette-bin 0.1.0

Apply an ACT palette to and optionally resize an image
Documentation 
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use clap::Parser;
use image::{ImageBuffer, Rgb};
use palette_bin::args::{Cli, Commands};
use palette_bin::palette::apply_palette;
use palette_bin::resize::resize_image;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let args = Cli::parse();

    // Open the input image
    let img = image::open(&args.input)?.to_rgb8();

    match args.command {
        Commands::Resize {
            ratio_mode,
            width,
            height,
        } => {
            let resized_img = resize_image(img, ratio_mode, width, height);
            resized_img.save(&args.output)?;
        }
        Commands::Palette { palette } => {
            let paletted_img = apply_palette(img, &palette)?;
            paletted_img.save(&args.output)?;
        }
        Commands::Test {} => {
            let mut img = ImageBuffer::new(2, 2);
            for (x, y, pixel) in img.enumerate_pixels_mut() {
                let r = (x * 255 / 1) as u8;
                let g = (y * 255 / 1) as u8;
                let b = ((x + y) * 255 / (1 + 1)) as u8;
                *pixel = Rgb([r, g, b]);
            }
            img.save(&args.output)?;
        }
    }

    Ok(())
}