From f45a5aa1e584db9068749af47872524dd6f0b81b Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 17 May 2022 02:11:04 +0100
Subject: [PATCH] currency: support label text recolouring

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 docs/gamespec.rst |  3 +++
 src/currency.rs   | 18 ++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/docs/gamespec.rst b/docs/gamespec.rst
index b9e89f08..5fef0cfb 100644
--- a/docs/gamespec.rst
+++ b/docs/gamespec.rst
@@ -438,6 +438,9 @@ Parameters:
  * ``currency``: The currency, which defines which other
    banknotes this one can interchange with.
 
+ * ``label.colour``: Text colour to use for the value.
+   [string, default "black"]
+
 Exammple::
 
   [[pieces]]
diff --git a/src/currency.rs b/src/currency.rs
index c3260079..0b55ab9f 100644
--- a/src/currency.rs
+++ b/src/currency.rs
@@ -25,6 +25,12 @@ pub struct Spec {
   image: Box<dyn PieceSpec>,
   qty: Qty,
   currency: String,
+  #[serde(default)] label: LabelSpec,
+}
+
+#[derive(Debug,Default,Clone,Serialize,Deserialize)]
+pub struct LabelSpec {
+  pub colour: Option<ColourSpec>,
 }
 
 #[derive(Debug,Clone,Serialize,Deserialize)]
@@ -32,6 +38,7 @@ pub struct Banknote {
   itemname: String,
   image: Arc<dyn InertPieceTrait>,
   currency: String,
+  label_colour: Colour,
 }
 
 #[derive(Debug,Serialize,Deserialize)]
@@ -48,7 +55,10 @@ impl PieceSpec for Spec {
   fn load(&self, PLA { gpc,ig,depth,.. }: PLA) -> SpecLoaded {
     gpc.rotateable = false;
 
-    let Spec { ref image, ref currency, qty } = *self;
+    let Spec { ref image, ref currency, qty,
+               label: LabelSpec { colour: ref label_colour } } = *self;
+
+    let label_colour = label_colour.resolve()?;
 
     let SpecLoadedInert { p: image, occultable:_ } =
       image.load_inert(ig, depth)?;
@@ -67,7 +77,7 @@ impl PieceSpec for Spec {
     let bnote = Banknote {
       image: image.into(),
       currency: currency.clone(),
-      itemname,
+      itemname, label_colour,
     };
 
     gpc.fastsplit = FastSplitId::new_placeholder();
@@ -111,9 +121,9 @@ impl PieceTrait for Banknote {
     let label_y_adj = label_font_size * SVG_FONT_Y_ADJUST_OF_FONT_SIZE;
 
     hwrite!(f,
-            r##"<{} text-align="center" text-anchor="middle" x="0" y="{}" font-size="{}">{}{}</text>"##,
+            r##"<{} text-align="center" text-anchor="middle" x="0" y="{}" fill="{}" font-size="{}">{}{}</text>"##,
             HTML_TEXT_LABEL_ELEM_START,
-            label_y_adj, label_font_size,
+            label_y_adj, &self.label_colour, label_font_size,
             value.qty, &self.currency)?;
   }
 
-- 
2.30.2