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extern crate freetype as ft;
extern crate unicode_normalization;
use unicode_normalization::UnicodeNormalization;
const WIDTH: i32 = 32;
const HEIGHT: i32 = 24;
type Figure = [[u8; WIDTH as usize]; HEIGHT as usize];
fn draw_bitmap(bitmap: ft::Bitmap, x: i32, y: i32) -> Figure {
let mut figure = [[0; WIDTH as usize]; HEIGHT as usize];
let w = bitmap.width() as usize;
let x_max = x + w as i32;
let y_max = y + bitmap.rows();
for (p, i) in (x..x_max).enumerate() {
for (q, j) in (y..y_max).enumerate() {
if i < 0 || j < 0 || i >= WIDTH || j >= HEIGHT {
continue;
}
figure[j as usize][i as usize] |= bitmap.buffer()[q * w + p];
}
}
figure
}
fn main() {
let mut args = std::env::args();
if args.len() != 3 {
let exe = args.next().unwrap();
println!("Usage: {} font character", exe);
return;
}
let font = args.nth(1).unwrap();
let character = args.next().and_then(|s| s.nfc().next()).unwrap() as usize;
let library = ft::Library::init().unwrap();
let face = library.new_face(font, 0).unwrap();
face.set_char_size(40 * 64, 0, 50, 0).unwrap();
face.load_char(character, ft::face::LoadFlag::RENDER)
.unwrap();
let glyph = face.glyph();
let x = glyph.bitmap_left();
let y = HEIGHT - glyph.bitmap_top();
let figure = draw_bitmap(glyph.bitmap(), x, y);
for row in figure {
for v in row {
let c = match v {
0 => " ",
1..=127 => "*",
_ => "+",
};
print!("{}", c)
}
println!(" ");
}
}
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