matplotlib
diff --git a/‎lib/matplotlib/backends/backend_gtk3cairo.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_gtk3cairo.py
+10-6Lines changed: 10 additions & 6 deletions b/‎lib/matplotlib/backends/backend_gtk3cairo.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_gtk3cairo.py
+10-6Lines changed: 10 additions & 6 deletions
@@ -13,15 +13,19 @@ def on_draw_event(self, widget, ctx):
 
         with (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
               else nullcontext()):
-            self._renderer.set_context(ctx)
-            scale = self.device_pixel_ratio
-            # Scale physical drawing to logical size.
-            ctx.scale(1 / scale, 1 / scale)
             allocation = self.get_allocation()
+            # Render the background before scaling, as the allocated size here is in
+            # logical pixels.
             Gtk.render_background(
                 self.get_style_context(), ctx,
-                allocation.x, allocation.y,
-                allocation.width, allocation.height)
+                0, 0, allocation.width, allocation.height)
+            scale = self.device_pixel_ratio
+            # Scale physical drawing to logical size.
+            ctx.scale(1 / scale, 1 / scale)
+            self._renderer.set_context(ctx)
+            # Set renderer to physical size so it renders in full resolution.
+            self._renderer.width = allocation.width * scale
+            self._renderer.height = allocation.height * scale
             self._renderer.dpi = self.figure.dpi
             self.figure.draw(self._renderer)