#bmp #monochrome

bmp-monochrome

Encode and decode monochromatic bitmaps without additional dependencies, useful for QR codes

16 releases (1 stable)

1.0.0 Oct 28, 2020
0.17.0 Oct 25, 2020
0.16.0 Oct 23, 2020

#5 in #monochrome

Download history 72/week @ 2022-11-28 84/week @ 2022-12-05 64/week @ 2022-12-12 45/week @ 2022-12-19 43/week @ 2022-12-26 18/week @ 2023-01-02 45/week @ 2023-01-09 58/week @ 2023-01-16 85/week @ 2023-01-23 119/week @ 2023-01-30 57/week @ 2023-02-06 98/week @ 2023-02-13 84/week @ 2023-02-20 104/week @ 2023-02-27 88/week @ 2023-03-06 31/week @ 2023-03-13

328 downloads per month
Used in 6 crates (via qr_code)

MIT license

34KB
763 lines

bmp-monochrome

Encode and decode monochromatic bitmaps without additional dependencies, useful for QR codes.

Example

use bmp_monochrome::Bmp;
use std::error::Error;
use std::fs::File;

fn main() -> Result<(), Box<dyn Error>> {
    let file_name = "test.bmp";
    let width = 21;
    let data: Vec<bool> = (0..width * width).map(|e| e % 2 == 0).collect();
    let rows: Vec<Vec<bool>> = data.chunks(width).map(|e| e.to_vec()).collect();
    let bmp = Bmp::new(rows)?;
    bmp.write(File::create(file_name)?)?;
    let bmp_read = Bmp::read(File::open(file_name)?)?;
    assert_eq!(bmp, bmp_read);
    Ok(())
}

Generates

test

Minimum Supported Rust Version (MSRV)

Rust 1.34

Use u32::try_from introduced in 1.34.0


lib.rs:

BMP monochrome

This library encode and decode monochromatic bitmap with no extra dependencies. Especially useful to encode QR-codes

Dependencies

~0–550KB
~12K SLoC