Create a transparent Canvas Image and put another transparent picture on top with rust23.10.23

```rust
use image::io::Reader as ImageReader;
use image::RgbaImage;
 if _spath.exists() == false {
        let _r = fs::create_dir_all(_spd).await;
        let mut f = std::fs::File::open(&_path).expect("no file found");
        let metadata = std::fs::metadata(&_path).expect("unable to read metadata");
        let mut buffer = vec![0; metadata.len() as usize];
        f.read(&mut buffer).expect("buffer overflow");
        let format = image::guess_format(&buffer).unwrap();
        let mut reader = ImageReader::with_format(std::io::Cursor::new(buffer), format);
        reader.no_limits();
        let img = reader.decode().unwrap();

if img.width() < width || img.height() < height {
            let mut width_offset: i64 = 0;
            let mut height_offset: i64 = 0;
            let mut thumb_width: u32 = img.width();
            let mut thumb_height: u32 = img.height();

if img.width() < width {
                width_offset = ((width - img.width()) / 2) as i64;
            } else {
                thumb_width = width;
            }

if img.height() < height {
                height_offset = ((height - img.height()) / 2) as i64;
            } else {
                thumb_height = height;
            }

println!("Img Width: {:?}", img.width());
            println!("Img Height: {:?}", img.height());
            println!("Thumb Width: {:?}", thumb_width);
            println!("Thumb Height: {:?}", thumb_height);
            println!("Width offset: {:?}", width_offset);
            println!("Height offset: {:?}", height_offset);

let thumb = img.thumbnail(thumb_width, thumb_height);

let mut canvas2 = RgbaImage::new(width, height);
            image::imageops::overlay(&mut canvas2, &thumb, width_offset, height_offset);
            canvas2.save(&_sp).unwrap();
        } else {
            let thumb = img.thumbnail(width, height);
            thumb.save(&_sp).unwrap();
        }
    }

```

https://docs.rs/open_ui/latest/open_ui/struct.RgbaImage.html

Anonymous

Create a transparent Canvas Image and put another transparent picture on top with rust23.10.23

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