Method _updateLineDraw

src/chart/lines/LinesView.ts:160–195

(data: SeriesData, seriesModel: LinesSeriesModel)

    }

    _updateLineDraw(data: SeriesData, seriesModel: LinesSeriesModel) {
        let lineDraw = this._lineDraw;
        const hasEffect = this._showEffect(seriesModel);
        const isPolyline = !!seriesModel.get('polyline');
        const pipelineContext = seriesModel.pipelineContext;
        const isLargeDraw = pipelineContext.large;

        if (__DEV__) {
            if (hasEffect && isLargeDraw) {
                console.warn('Large lines not support effect');
            }
        }
        if (!lineDraw
            || hasEffect !== this._hasEffet
            || isPolyline !== this._isPolyline
            || isLargeDraw !== this._isLargeDraw
        ) {
            if (lineDraw) {
                lineDraw.remove();
            }
            lineDraw = this._lineDraw = isLargeDraw
                ? new LargeLineDraw()
                : new LineDraw(
                    isPolyline
                        ? (hasEffect ? EffectPolyline : Polyline)
                        : (hasEffect ? EffectLine : Line)
                );
            this._hasEffet = hasEffect;
            this._isPolyline = isPolyline;
            this._isLargeDraw = isLargeDraw;
        }

        this.group.add(lineDraw.group);

        return lineDraw;
    }

    private _showEffect(seriesModel: LinesSeriesModel) {
        return !!seriesModel.get(['effect', 'show']);