From a1bea40c6752f865d92351bce51b15f009902cfe Mon Sep 17 00:00:00 2001
From: Elena ``of Valhalla'' Grandi <valhalla@trueelena.org>
Date: Fri, 16 Feb 2024 19:17:15 +0100
Subject: Start writing a colour chart index

---
 forms/colour_chart.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/forms/colour_chart.py b/forms/colour_chart.py
index efcd7d0..bbdf021 100755
--- a/forms/colour_chart.py
+++ b/forms/colour_chart.py
@@ -2,6 +2,7 @@
 
 import argparse
 import math
+import operator
 
 import fpdf
 import strictyaml
@@ -10,6 +11,7 @@ import strictyaml
 class Chart:
     COLUMNS=4
     ROWS=16
+    INDEX_COLS=6
 
     def __init__(self):
         self.parser = self.get_parser()
@@ -42,6 +44,14 @@ class Chart:
         ]
         return(cells)
 
+    def get_index(self):
+        index = [
+            (c["label"], i // self.ROWS)
+            for i, c in enumerate(self.data["colours"])
+        ]
+        index.sort(key=operator.itemgetter(0))
+        return index
+
     def write_pdf(self, fname):
         pdf = fpdf.FPDF(format="A5")
         pdf.add_font(
@@ -78,6 +88,21 @@ class Chart:
                         pdf.cell(16, 8, cell["label"], )
                 pdf.ln(10)
 
+        pdf.set_font("FreeSerif", size=10)
+        with pdf.text_columns(
+            ncols=self.INDEX_COLS,
+            balance=True,
+            gutter=4,
+            text_align="RIGHT",
+        ) as cols:
+            for c in self.get_index():
+                pdf.set_font("FreeSerif", size=10)
+                cols.write(str(c[0]))
+                cols.write("  ")
+                pdf.set_font("FreeSans", "B", size=10)
+                cols.write(str(c[1]))
+                cols.ln()
+
         pdf.output(fname)
 
 
-- 
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