Merge pull request #14749 from anntzer/pgfwh

timhoffm · web-flow · commit 4a5c939e0eb1 · 2019-07-23T00:07:40.000+02:00
Fix get_canvas_width_height() for pgf backend.
diff --git a/doc/api/next_api_changes/2019-07-20-AL.rst b/doc/api/next_api_changes/2019-07-20-AL.rst
@@ -0,0 +1,4 @@
+The pgf backend's get_canvas_width_height now returns the canvas size in display units
+``````````````````````````````````````````````````````````````````````````````````````
+
+... rather than in inches, which it previously did.  The new behavior is the correct one given the uses of ``get_canvas_width_height`` in the rest of the codebase.
diff --git a/lib/matplotlib/backends/backend_pgf.py b/lib/matplotlib/backends/backend_pgf.py
@@ -736,7 +736,8 @@ def flipy(self):
 
     def get_canvas_width_height(self):
         # docstring inherited
-        return self.figure.get_figwidth(), self.figure.get_figheight()
+        return (self.figure.get_figwidth() * self.dpi,
+                self.figure.get_figheight() * self.dpi)
 
     def points_to_pixels(self, points):
         # docstring inherited
