Change Windows wallpaper using Rust and WinAPI (with BMP conversation included)

Cargo.toml

# Cargo.toml packages
windows = { version = "0.56.0", features = ["Win32_UI_WindowsAndMessaging"] }
image = "0.25.1"

main.rs

// Example

#[cfg(windows)]
mod wallpaper;

fn main() {
    wallpaper::to_bmp(
        "C:\\Users\\artem\\Desktop\\wp.jpg", # from file
        "C:\\Users\\artem\\Desktop\\wp.bmp", # to file
    )
    .unwrap();
    wallpaper::set_wallpaper("C:\\Users\\artem\\Desktop\\wp.bmp".to_string()).unwrap(); // set wallpaper using WinAPI
}

wallpaper.rs

use anyhow::{Context, Result};
use core::ffi::c_void;
use image::io::Reader as ImageReader;
use windows::Win32::UI::WindowsAndMessaging::{
    SystemParametersInfoA, SPIF_SENDWININICHANGE, SPIF_UPDATEINIFILE, SPI_SETDESKWALLPAPER,
};

pub fn set_wallpaper(path: String) -> Result<()> {
    unsafe {
        SystemParametersInfoA(
            SPI_SETDESKWALLPAPER,
            0,
            Some(path.clone().as_bytes_mut().as_mut_ptr() as *mut c_void),
            SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE,
        )
        .context("Error calling SystemParametersInfoA")?;
    }
    Ok(())
}

pub fn to_bmp(img_path: &str, out_path: &str) -> Result<()> {
    ImageReader::open(img_path)?.decode()?.save(&out_path)?;
    Ok(())
}