image-blp 1.2.0

Library to encode/decode Blizzard BLP texture format
Documentation 
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use super::error::Error;
use ::image::{imageops::FilterType, DynamicImage};

pub fn generate_mipmaps(
    image: DynamicImage,
    filter: FilterType,
) -> Result<Vec<DynamicImage>, Error> {
    let mut mipmaps = vec![image.clone()];
    let mut current_image = image;
    loop {
        let width = current_image.width();
        let height = current_image.height();
        if (width == 1 && height == 1) || mipmaps.len() >= 16 {
            break;
        }
        let new_width = width >> 1;
        let new_height = height >> 1;
        current_image = current_image.resize_exact(new_width, new_height, filter);
        mipmaps.push(current_image.clone());
    }
    Ok(mipmaps)
}