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extern crate freetype as ft;
fn draw_curve(curve: ft::outline::Curve) {
match curve {
ft::outline::Curve::Line(pt) => println!("L {} {}", pt.x, -pt.y),
ft::outline::Curve::Bezier2(pt1, pt2) => {
println!("Q {} {} {} {}", pt1.x, -pt1.y, pt2.x, -pt2.y)
}
ft::outline::Curve::Bezier3(pt1, pt2, pt3) => println!(
"C {} {} {} {} {} {}",
pt1.x, -pt1.y, pt2.x, -pt2.y, pt3.x, -pt3.y
),
}
}
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.chars().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::NO_SCALE)
.unwrap();
let glyph = face.glyph();
let metrics = glyph.metrics();
let xmin = metrics.horiBearingX - 5;
let width = metrics.width + 10;
let ymin = -metrics.horiBearingY - 5;
let height = metrics.height + 10;
let outline = glyph.outline().unwrap();
println!("<?xml version=\"1.0\" standalone=\"no\"?>");
println!("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"");
println!("\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">");
println!(
"<svg viewBox=\"{} {} {} {}\" xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\">",
xmin, ymin, width, height
);
for contour in outline.contours_iter() {
let start = contour.start();
println!(
"<path fill=\"none\" stroke=\"black\" stroke-width=\"1\" d=\"M {} {}",
start.x, -start.y
);
for curve in contour {
draw_curve(curve);
}
println!("Z \" />");
}
println!("</svg>");
}
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