From 07b6c34261550537142b51f7ac1f81c6213dc930 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 24 Mar 2021 15:58:56 +0000
Subject: [PATCH] labels: Support on outside too

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 src/pieces.rs | 12 ++++++++----
 src/spec.rs   |  4 ++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/pieces.rs b/src/pieces.rs
index 0705c0f0..7737011a 100644
--- a/src/pieces.rs
+++ b/src/pieces.rs
@@ -163,13 +163,17 @@ impl piece_specs::PieceLabel {
     let fontsz = 4.;
     let PosC([x,y]) = {
       use piece_specs::PieceLabelPlace::*;
-      let eff_size = (outline.xy - PosC([2.,2.]))?;
+      let inout = match self.place {
+        BottomLeft        | TopLeft        =>  1.,
+        BottomLeftOutside | TopLeftOutside => -1.,
+      };
+      let eff_size = (outline.xy - PosC([2., inout * 2.]))?;
       let mut pos = (eff_size * -0.5)?;
       let y = &mut pos.0[1];
-      *y += 0.5 * fontsz;
+      *y += 0.5 * fontsz * inout;
       match self.place {
-        BottomLeft => { *y *= -1. },
-        TopLeft => { }
+        BottomLeft | BottomLeftOutside => { *y *= -1. },
+           TopLeft |    TopLeftOutside => {           },
       };
       *y += 0.5 * fontsz;
       pos
diff --git a/src/spec.rs b/src/spec.rs
index 9a1f1166..4ad6e1a0 100644
--- a/src/spec.rs
+++ b/src/spec.rs
@@ -257,8 +257,8 @@ pub mod piece_specs {
 
   #[derive(Debug,Copy,Clone,Serialize,Deserialize,Eq,PartialEq)]
   pub enum PieceLabelPlace {
-    BottomLeft,
-    TopLeft,
+    BottomLeft,        TopLeft,
+    BottomLeftOutside, TopLeftOutside,
   }
 
   #[derive(Debug,Serialize,Deserialize)]
-- 
2.30.2