🐛 Fix flickers on retina screen with absolute mode adjustable height

atom-minimap · Apr 5, 2017 · a81abbe · a81abbe
1 parent 050dcf5
commit a81abbe
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/minimap-element.js b/lib/minimap-element.js
@@ -995,11 +995,16 @@ class MinimapElement {
     }
   }
 
-  updateCanvasesSize (canvasWidth = this.getFrontCanvas().width) {
+  updateCanvasesSize (canvasWidth) {
     const devicePixelRatio = this.minimap.getDevicePixelRatio()
     const maxCanvasHeight = this.height + this.minimap.getLineHeight()
     const newHeight = this.absoluteMode && this.adjustAbsoluteModeHeight ? Math.min(this.minimap.getHeight(), maxCanvasHeight) : maxCanvasHeight
     const canvas = this.getFrontCanvas()
+
+    if (canvasWidth == null) {
+      canvasWidth = canvas.width / devicePixelRatio
+    }
+
     if (canvasWidth !== canvas.width || newHeight !== canvas.height) {
       this.setCanvasesSize(
         canvasWidth * devicePixelRatio,