DygraphCanvasRenderer._fastCanvasProxy = function(context) {
var pendingActions = []; // array of [type, x, y] tuples
var lastRoundedX = null;
+ var lastFlushedX = null;
var LINE_TO = 1,
MOVE_TO = 2;
context.moveTo(action[1], action[2]);
}
}
+ if (pendingActions.length) {
+ lastFlushedX = pendingActions[pendingActions.length - 1][1];
+ }
actionCount += pendingActions.length;
pendingActions = [];
};
var addAction = function(action, x, y) {
var rx = Math.round(x);
if (lastRoundedX === null || rx != lastRoundedX) {
- flushActions();
+ // if there are large gaps on the x-axis, it's essential to keep the
+ // first and last point as well.
+ var hasGapOnLeft = (lastRoundedX - lastFlushedX > 1),
+ hasGapOnRight = (rx - lastRoundedX > 1),
+ hasGap = hasGapOnLeft || hasGapOnRight;
+ flushActions(hasGap);
lastRoundedX = rx;
}
pendingActions.push([action, x, y]);
var sets = e.allSeriesPoints;
var setCount = sets.length;
- var fillAlpha = g.getNumericOption('fillAlpha');
var stackedGraph = g.getBooleanOption("stackedGraph");
var colors = g.getColors();
var setName = setNames[setIdx];
if (!g.getBooleanOption('fillGraph', setName)) continue;
+ var fillAlpha = g.getNumericOption('fillAlpha', setName);
var stepPlot = g.getBooleanOption('stepPlot', setName);
var color = colors[setIdx];
var axis = g.axisPropertiesForSeries(setName);
// If the point density is high enough, dropping segments on their way to
// the canvas justifies the overhead of doing so.
- if (points.length > 2 * g.width_) {
+ if (points.length > 2 * g.width_ || Dygraph.FORCE_FAST_PROXY) {
ctx = DygraphCanvasRenderer._fastCanvasProxy(ctx);
}