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|
use cairo::{Context, SvgSurface};
use dcel::Dcel;
use std::borrow::Cow;
fn main() {
let show = |name, dcel: &Dcel<(&'static str, [i64; 2])>| {
let width = 300.0;
let height = width;
let surf =
//cairo::ImageSurface::create(cairo::Format::ARgb32, width as _, height as _).unwrap();
SvgSurface::new(width, height, Some(name)).unwrap();
let ctx = Context::new(surf).unwrap();
ctx.set_line_width(1.0);
dcel::write_img(
&dcel,
&ctx,
|v| {
[
v.1[0] as f64 * width / 3.0 + width / 2.0,
v.1[1] as f64 * height / 3.0 + height / 2.0,
]
},
|v| Cow::Borrowed(v.0),
12.0,
)
.unwrap();
/*ctx.target()
.write_to_png(&mut std::fs::File::create(name).unwrap())
.unwrap();
*/
};
Dcel::new(|mut dcel| {
let body = dcel.new_body();
let op = dcel
.mevvlfs(*body, [("W", [-1, 0]), ("N", [0, 1])])
.unwrap();
let op2 = dcel.mev(*op.loop_, *op.vertices[1], ("E", [1, 0])).unwrap();
let op3 = dcel.mev(*op.loop_, *op2.vertex, ("S", [0, -1])).unwrap();
dcel.melf([*op3.vertex, *op.vertices[0]], *op.loop_)
.unwrap();
dcel.melf([*op.vertices[0], *op2.vertex], *op.loop_)
.unwrap();
show("cairo.svg", &dcel);
});
}
|
