// TODO(danvk): support 'onmouseover' and 'never', and remove synonyms.
legend: 'onmouseover', // the only relevant value at the moment is 'always'.
+ legendFollow: false,
stepPlot: false,
avoidMinZero: false,
// ... and for static parts of the chart.
this.hidden_ = this.createPlotKitCanvas_(this.canvas_);
- this.resizeElements_();
-
this.canvas_ctx_ = Dygraph.getContext(this.canvas_);
this.hidden_ctx_ = Dygraph.getContext(this.hidden_);
+ this.resizeElements_();
+
// The interactive parts of the graph are drawn on top of the chart.
this.graphDiv.appendChild(this.hidden_);
this.graphDiv.appendChild(this.canvas_);
Dygraph.prototype.resizeElements_ = function() {
this.graphDiv.style.width = this.width_ + "px";
this.graphDiv.style.height = this.height_ + "px";
- this.canvas_.width = this.width_;
- this.canvas_.height = this.height_;
+
+ var canvasScale = Dygraph.getContextPixelRatio(this.canvas_ctx_);
+ this.canvas_.width = this.width_ * canvasScale;
+ this.canvas_.height = this.height_ * canvasScale;
this.canvas_.style.width = this.width_ + "px"; // for IE
this.canvas_.style.height = this.height_ + "px"; // for IE
- this.hidden_.width = this.width_;
- this.hidden_.height = this.height_;
+ if (canvasScale !== 1) {
+ this.canvas_ctx_.scale(canvasScale, canvasScale);
+ }
+
+ var hiddenScale = Dygraph.getContextPixelRatio(this.hidden_ctx_);
+ this.hidden_.width = this.width_ * hiddenScale;
+ this.hidden_.height = this.height_ * hiddenScale;
this.hidden_.style.width = this.width_ + "px"; // for IE
this.hidden_.style.height = this.height_ + "px"; // for IE
+ if (hiddenScale !== 1) {
+ this.hidden_ctx_.scale(hiddenScale, hiddenScale);
+ }
};
/**
ctx.lineWidth = this.getNumericOption('strokeWidth', pt.name);
ctx.strokeStyle = color;
ctx.fillStyle = color;
- callback(this.g, pt.name, ctx, canvasx, pt.canvasy,
+ callback(this, pt.name, ctx, canvasx, pt.canvasy,
color, circleSize, pt.idx);
}
ctx.restore();