use bmp_monochrome::Bmp; use std::error::Error; use std::fs::File; fn main() -> Result<(), Box> { let file_name = "test.bmp"; let width = 21; let data: Vec = (0..width * width).map(|e| e % 2 == 0).collect(); let rows: Vec> = 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(()) }