1 files changed, 54 insertions, 0 deletions
diff --git a/examples/cairo.rs b/examples/cairo.rs
new file mode 100644
index 0000000..3114136
--- /dev/null
+++ b/examples/cairo.rs
@@ -0,0 +1,54 @@
+use cairo::{Context, SvgSurface};
+use dcel::Dcel;
+use enumset::EnumSet;
+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,
+            EnumSet::all(),
+            |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);
+    });
+}