diff options
| -rw-r--r-- | src/lib.rs | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -21,19 +21,22 @@ //! Classic two-colored Hitomezashi stitch pattern generator. use rand::distributions::{Bernoulli, Distribution}; +use std::io::{stdout, StdoutLock, Write}; const TRANSPARENT_SQUARE: char = ' '; const OPAQUE_SQUARE: char = '█'; -fn print_square(is_opaque: bool) { - print!( +fn print_square(lock: &mut StdoutLock, is_opaque: bool) { + write!( + lock, "{}", if is_opaque { OPAQUE_SQUARE } else { TRANSPARENT_SQUARE } - ); + ) + .unwrap(); } /// Prints a two-colored Hitomezashi stitch pattern of the specified dimensions. @@ -102,16 +105,18 @@ pub fn generate(width: usize, height: usize, skew: Option<f64>) { let mut cur_row: Vec<bool> = Vec::with_capacity(width); + let mut lock = stdout().lock(); + /* Base case * * The first row has no preceding row, so it's computing using the column stitches */ cur_row.push(first_square); for col in 0..(cur_row.capacity() - 1) { - print_square(cur_row[col]); + print_square(&mut lock, cur_row[col]); cur_row.push(cur_row[col] ^ col_bits[col]); } - print_square(cur_row[cur_row.capacity() - 1]); + print_square(&mut lock, cur_row[cur_row.capacity() - 1]); println!(); // End of base case for row_bit in row_bits.iter() { @@ -123,7 +128,7 @@ pub fn generate(width: usize, height: usize, skew: Option<f64>) { .zip(alt_bits.iter()) .for_each(|(x1, &x2)| { *x1 ^= x2 ^ row_bit; - print_square(*x1); + print_square(&mut lock, *x1); }); println!(); // End of recursive case |