Specify font number for TTC fonts

aitikgupta · QuLogic · commit 41075013b690 · 2022-04-07T15:07:15.000-04:00
diff --git a/lib/matplotlib/backends/_backend_pdf_ps.py b/lib/matplotlib/backends/_backend_pdf_ps.py
@@ -37,7 +37,11 @@ def get_glyphs_subset(fontfile, characters):
     options = subset.Options(glyph_names=True, recommended_glyphs=True)
 
     # prevent subsetting FontForge Timestamp and other tables
-    options.drop_tables += ['FFTM', 'PfEd']
+    options.drop_tables += ['FFTM', 'PfEd', 'BDF']
+
+    # if fontfile is a ttc, specify font number
+    if fontfile.endswith(".ttc"):
+        options.font_number = 0
 
     with subset.load_font(fontfile, options) as font:
         subsetter = subset.Subsetter(options=options)
