Type Definition image::GrayImage

type GrayImage = ImageBuffer<Luma<u8>, Vec<u8>>;

Sendable grayscale image buffer

Methods

impl GrayImage

pub fn expand_palette(     self,     palette: &[(u8, u8, u8)],     transparent_idx: Option<u8> ) -> RgbaImage

Expands a color palette by re-using the existing buffer. Assumes 8 bit per pixel. Uses an optionally transparent index to adjust it's alpha value accordingly.