Crate image_outline 

image_outline: a barebones method for adding outline pixels to an image.

Example Code

let original = image::ImageReader::open("input.png")
    .expect("Image file open failure.")
    .decode()
    .expect("Image file decode failure.");
let outlined = image_outline::outline_rgba8(
    &original.to_rgba8(),
    None,
    (0, 0, 0),
    1,
); // outline transparent background image with one "wide" black pixels
outlined.save("output.png").expect("Image save failure.");

Re-exports

pub use image;

Functions

outline_rgba8

Outline a given image.