fix lingering hover dot on zoom bug

[dygraphs.git] / dygraph-canvas.js

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 3aba3cd..471d9e4 100644 (file)
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -334,12 +334,18 @@ DygraphCanvasRenderer.prototype.attr_ = function(x) {
 DygraphCanvasRenderer.prototype.computeArea_ = function() {
   var area = {
     // TODO(danvk): per-axis setting.
-    x: this.attr_('yAxisLabelWidth') + 2 * this.attr_('axisTickSize'),
+    x: 0,
     y: 0
   };
+  if (this.attr_('drawYAxis')) {
+   area.x = this.attr_('yAxisLabelWidth') + 2 * this.attr_('axisTickSize');
+  }
+
   area.w = this.width - area.x - this.attr_('rightGap');
-  area.h = this.height - this.attr_('axisLabelFontSize') -
-                2 * this.attr_('axisTickSize');
+  area.h = this.height;
+  if (this.attr_('drawXAxis')) {
+    area.h -= this.attr_('axisLabelFontSize') + 2 * this.attr_('axisTickSize');
+  }
 
   // Shrink the drawing area to accomodate additional y-axes.
   if (this.dygraph_.numAxes() == 2) {
@@ -460,7 +466,7 @@ DygraphCanvasRenderer.prototype.render = function() {
     var ticks = this.layout.yticks;
     ctx.save();
     ctx.strokeStyle = this.attr_('gridLineColor');
-    ctx.lineWidth = this.attr_('axisLineWidth');
+    ctx.lineWidth = this.attr_('gridLineWidth');
     for (var i = 0; i < ticks.length; i++) {
       // TODO(danvk): allow secondary axes to draw a grid, too.
       if (ticks[i][0] != 0) continue;
@@ -478,7 +484,7 @@ DygraphCanvasRenderer.prototype.render = function() {
     var ticks = this.layout.xticks;
     ctx.save();
     ctx.strokeStyle = this.attr_('gridLineColor');
-    ctx.lineWidth = this.attr_('axisLineWidth');
+    ctx.lineWidth = this.attr_('gridLineWidth');
     for (var i=0; i<ticks.length; i++) {
       var x = halfUp(this.area.x + ticks[i][0] * this.area.w);
       var y = halfDown(this.area.y + this.area.h);