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use crate::BoundingBox;
use bit_vec::BitVec;
use thiserror::Error;
#[derive(Debug, Error)]
#[error("Index ({0}, {1}) Out Of Bounds")]
#[non_exhaustive]
pub struct OutOfBounds(usize, usize);
#[derive(Clone, Copy, Debug)]
pub struct Bitmap<'a> {
pub(crate) data: &'a Vec<BitVec>,
pub(crate) bbox: BoundingBox
}
impl Bitmap<'_> {
pub fn width(self) -> usize {
self.bbox.width as usize
}
pub fn height(self) -> usize {
self.bbox.height as usize
}
pub fn baseline(self) -> usize {
(self.bbox.height as i32 - 1 + self.bbox.offset_y) as usize
}
pub fn get(self, x: usize, y: usize) -> Result<bool, OutOfBounds> {
let row = self.data.get(y).ok_or(OutOfBounds(x, y))?;
row.get(x).ok_or(OutOfBounds(x, y))
}
pub fn ascii_art(self) -> String {
let mut buf = String::new();
for y in 0 .. self.height() {
for x in 0 .. self.width() {
if self.get(x, y).unwrap() {
buf += "##";
} else {
buf += "..";
}
}
buf += "\n";
if y == self.baseline() {
for _ in 0 .. self.width() {
buf += "--";
}
buf += "\n";
}
}
buf
}
}
