matplotlib
diff --git a/‎lib/matplotlib/backends/backend_pgf.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_pgf.py
+16Lines changed: 16 additions & 0 deletions b/‎lib/matplotlib/backends/backend_pgf.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_pgf.py
+16Lines changed: 16 additions & 0 deletions
@@ -23,6 +23,7 @@
     _create_pdf_info_dict, _datetime_to_pdf)
 from matplotlib.path import Path
 from matplotlib.figure import Figure
+from matplotlib.font_manager import FontProperties
 from matplotlib._pylab_helpers import Gcf
 
 _log = logging.getLogger(__name__)
@@ -36,12 +37,27 @@
 
 def _get_preamble():
     """Prepare a LaTeX preamble based on the rcParams configuration."""
+    font_size_pt = FontProperties(
+        size=mpl.rcParams["font.size"]
+    ).get_size_in_points()
     return "\n".join([
         # Remove Matplotlib's custom command \mathdefault.  (Not using
         # \mathnormal instead since this looks odd with Computer Modern.)
         r"\def\mathdefault#1{#1}",
         # Use displaystyle for all math.
         r"\everymath=\expandafter{\the\everymath\displaystyle}",
+        # Set up font sizes to match font.size setting.
+        r"\makeatletter",
+        r"\IfFileExists{scrextend.sty}{",
+        r"  %s" % mpl.texmanager._usepackage_if_not_loaded(
+        	"scrextend", option="fontsize=%fpt" % font_size_pt
+    	),
+        r"}{",
+        r"  \renewcommand{\normalsize}{\fontsize{%f}{%f}\selectfont}"
+        % (font_size_pt, 1.2 * font_size_pt),
+        r"  \normalsize",
+        r"}",
+        r"\makeatother",
         # Allow pgf.preamble to override the above definitions.
         mpl.rcParams["pgf.preamble"],
         *([