bump version

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "grope"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["Alison Sanderson"]
 edition = "2018"
 

src/main.rs

@@ -85,6 +85,10 @@ fn draw(c: &cairo::Context, v: &mut Stuff) -> Inhibit
    c.move_to(-VW, 0.0); c.line_to( VW, 0.0); c.stroke();
    c.move_to(0.0, -VH); c.line_to(0.0,  VH); c.stroke();
 
+   // center (hud)
+   c.move_to(0.0,  HH); c.line_to(VW, HH); c.stroke();
+   c.move_to( HW, 0.0); c.line_to(HW, VH); c.stroke();
+
    // hud borders
    c.move_to(0.0,  VH); c.line_to(VW, VH); c.stroke();
    c.move_to( VW, 0.0); c.line_to(VW, VH); c.stroke();
@@ -210,7 +214,7 @@ impl Stuff
          for b in &d_i32b(self.p.0) {c.dat.push(*b)}
          for b in &d_i32b(self.p.1) {c.dat.push(*b)}
          if let Some(n) = png.find_chunk(*b"grAb") {png.chnk[n] = c}
-         else                                      {png.chnk[1] = c}
+         else                                      {png.chnk.insert(1, c)}
          png.write(&mut File::create(fname)?)?;
          Ok(())
       }