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define(function (require) {
var LineDraw = require('../helper/LineDraw');
var EffectLine = require('../helper/EffectLine');
var Line = require('../helper/Line');
require('../../echarts').extendChartView({
type: 'lines',
init: function () {},
render: function (seriesModel, ecModel, api) {
var data = seriesModel.getData();
var lineDraw = this._lineDraw;
var hasEffect = seriesModel.get('effect.show');
if (hasEffect !== this._hasEffet) {
if (lineDraw) {
lineDraw.remove();
}
lineDraw = this._lineDraw = new LineDraw(
hasEffect ? EffectLine : Line
);
this._hasEffet = hasEffect;
}
var zlevel = seriesModel.get('zlevel');
var trailLength = seriesModel.get('effect.trailLength');
var zr = api.getZr();
// Avoid the drag cause ghost shadow
// FIXME Better way ?
zr.painter.getLayer(zlevel).clear(true);
// Config layer with motion blur
if (this._lastZlevel != null) {
zr.configLayer(this._lastZlevel, {
motionBlur: false
});
}
if (hasEffect && trailLength) {
zr.configLayer(zlevel, {
motionBlur: true,
lastFrameAlpha: Math.max(Math.min(trailLength / 10 + 0.9, 1), 0)
});
}
this.group.add(lineDraw.group);
lineDraw.updateData(data);
this._lastZlevel = zlevel;
},
updateLayout: function (seriesModel, ecModel, api) {
this._lineDraw.updateLayout();
// Not use motion when dragging or zooming
var zr = api.getZr();
zr.painter.getLayer(this._lastZlevel).clear(true);
},
remove: function (ecModel, api) {
this._lineDraw && this._lineDraw.remove(api, true);
}
});
});