From: Ben Harris <bjh21@bjh21.me.uk>
Date: Thu, 8 Mar 2018 22:33:36 +0000 (+0000)
Subject: Minimally-functional code for expanding dots.
X-Git-Tag: bedstead-002.000~29
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=fcbb3c8d90190552d025bec4557fa3bdc35d82cb;p=bedstead-debian.git

Minimally-functional code for expanding dots.

It takes a little bit of effort to avoid segfaulting FontForge, and so
currently Bedstead Plotter Thin has dots in the middle of its dots.
These probably shouldn't stay.
---

diff --git a/strokefont.py b/strokefont.py
index 346ed1b..aa063cc 100644
--- a/strokefont.py
+++ b/strokefont.py
@@ -14,8 +14,9 @@ class Stroker(object):
         f.strokedfont = False
 
         for g in f.glyphs():
-            for c in g.layers[1]:
-                self.adjust_contour(c)
+            for i, c in enumerate(list(g.layers[1])):
+                newc = self.adjust_contour(c)
+                if newc != None: g.layers[1] += newc
             g.stroke(*self.nib)
             g.removeOverlap()
             g.addExtrema()
@@ -37,9 +38,15 @@ class Stroker(object):
         return f
     def adjust_contour(self, c):
         # This function just expands dots.
-        if len(c) != 1: return
-        if self.dotwidth == 0 and self.dotheight == 0: return
-        # insert actual modifying code here.
+        if len(c) != 1: return None
+        if self.dotwidth == 0 and self.dotheight == 0: return None
+        newc = fontforge.contour()
+        newc.moveTo(c[0].x + self.dotwidth/2, c[0].y)
+        newc.lineTo(c[0].x, c[0].y + self.dotheight/2)
+        newc.lineTo(c[0].x - self.dotwidth/2, c[0].y)
+        newc.lineTo(c[0].x, c[0].y - self.dotheight/2)
+        newc.closed = True
+        return newc
         
 class Plotter(Stroker):
     familyname = "Bedstead Plotter"