From d81410bb506e5627d3529b1cd1467a0610d3fdae Mon Sep 17 00:00:00 2001
From: Robert Alessi <alessi@robertalessi.net>
Date: Wed, 7 Aug 2019 08:49:07 +0200
Subject: added font table

---
 fonttable.lua | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 fonttable.lua

(limited to 'fonttable.lua')

diff --git a/fonttable.lua b/fonttable.lua
new file mode 100644
index 0000000..d50a314
--- /dev/null
+++ b/fonttable.lua
@@ -0,0 +1,36 @@
+-- the following is adapted from https://tex.stackexchange.com/a/380780
+ft = {}
+function ft.print_glyphs(maxCols,maxChars) 
+   local id = font.current()
+   local fnt = font.getfont(id)
+   local col = 1
+   local maxU4 = 15*(16^3+16^2+16+1)
+   a = {}
+   for k, v in pairs(fnt.characters) do
+      a [#a + 1] = k
+   end
+   table.sort(a)
+   for i, k in ipairs(a) do
+      if i >= maxChars then break end
+      if col == 1 then
+	 if k > maxU4 then
+	    tex.sprint(string.format("U+%06x", k))
+	 else
+	    tex.sprint(string.format("U+%04x", k))
+	 end
+	 tex.sprint("&") 
+      end
+      if (i) then
+	 tex.sprint(string.format([[\char%i]], k))
+      else
+	 tex.sprint("~")
+      end
+      if col == maxCols then
+	 tex.sprint([[\\\cline{2-]] .. maxCols+1 .. "} ")
+	 col = 1
+      else
+	 tex.sprint("&")
+	 col = col + 1
+      end
+   end
+end
-- 
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