X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=src%2Fplugins%2Frange-selector.js;h=c1f70f9656baeb77f6da75c86cfa6b00954960f2;hb=64f1c4dfd7425931fcd1bd9949157c0ba6958656;hp=7f91dc80c10045ae2e702ee845ebce7b155f8c39;hpb=6ed703fd07b53ca7e51526407661f3bce416dcc0;p=dygraphs.git

diff --git a/src/plugins/range-selector.js b/src/plugins/range-selector.js
index 7f91dc8..c1f70f9 100644
--- a/src/plugins/range-selector.js
+++ b/src/plugins/range-selector.js
@@ -161,8 +161,8 @@ rangeSelector.prototype.updateVisibility_ = function() {
  * Resizes the range selector.
  */
 rangeSelector.prototype.resize_ = function() {
-  function setElementRect(canvas, context, rect) {
-    var canvasScale = utils.getContextPixelRatio(context);
+  function setElementRect(canvas, context, rect, pixelRatioOption) {
+    var canvasScale = pixelRatioOption || utils.getContextPixelRatio(context);
 
     canvas.style.top = rect.y + 'px';
     canvas.style.left = rect.x + 'px';
@@ -189,8 +189,9 @@ rangeSelector.prototype.resize_ = function() {
     h: this.getOption_('rangeSelectorHeight')
   };
 
-  setElementRect(this.bgcanvas_, this.bgcanvas_ctx_, this.canvasRect_);
-  setElementRect(this.fgcanvas_, this.fgcanvas_ctx_, this.canvasRect_);
+  var pixelRatioOption = this.dygraph_.getNumericOption('pixelRatio');
+  setElementRect(this.bgcanvas_, this.bgcanvas_ctx_, this.canvasRect_, pixelRatioOption);
+  setElementRect(this.fgcanvas_, this.fgcanvas_ctx_, this.canvasRect_, pixelRatioOption);
 };
 
 /**