added font table

1 files changed, 36 insertions, 0 deletions

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