Add kerning to Type 3 font, ASCII strings in PDFs

sauerburger · sauerburger · commit f179cced2a08 · 2021-03-01T18:24:04.000+01:00
diff --git a/lib/matplotlib/backends/backend_pdf.py b/lib/matplotlib/backends/backend_pdf.py
@@ -2287,14 +2287,14 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
             }
             self.file._annotations[-1][1].append(link_annotation)
 
-        # If fonttype != 3 or there are no multibyte characters, emit the whole
-        # string at once.
-        if fonttype != 3 or all(ord(char) <= 255 for char in s):
+        # If fonttype != 3 emit the whole string at once without manual
+        # kerning.
+        if fonttype != 3:
             self.file.output(Op.begin_text,
                              self.file.fontName(prop), fontsize, Op.selectfont)
             self._setup_textpos(x, y, angle)
-            self.file.output(self.encode_string(s, fonttype), Op.show,
-                             Op.end_text)
+            self.file.output(self.encode_string(s, fonttype),
+                             Op.show, Op.end_text)
 
         # There is no way to access multibyte characters of Type 3 fonts, as
         # they cannot have a CIDMap.  Therefore, in this case we break the
