Only store the original device context ratio once

chartjs · Sep 18, 2015 · 97cec86 · 97cec86
1 parent 8d47693
commit 97cec86
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/core.helpers.js b/src/core/core.helpers.js
@@ -758,7 +758,7 @@
 				// Store the device pixel ratio so that we can go backwards in `destroy`.
 				// The devicePixelRatio changes with zoom, so there are no guarantees that it is the same
 				// when destroy is called
-				chart.originalDevicePixelRatio = window.devicePixelRatio;
+				chart.originalDevicePixelRatio = chart.originalDevicePixelRatio || window.devicePixelRatio;
 			}
 		},
 		//-- Canvas methods