/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* global Float32Array */
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import {map} from 'zrender/src/core/util';
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import createRenderPlanner from '../chart/helper/createRenderPlanner';
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import {isDimensionStacked} from '../data/helper/dataStackHelper';
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import SeriesModel from '../model/Series';
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import { StageHandler, ParsedValueNumeric } from '../util/types';
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import { createFloat32Array } from '../util/vendor';
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export default function pointsLayout(seriesType: string, forceStoreInTypedArray?: boolean): StageHandler {
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return {
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seriesType: seriesType,
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plan: createRenderPlanner(),
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reset: function (seriesModel: SeriesModel) {
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const data = seriesModel.getData();
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const coordSys = seriesModel.coordinateSystem;
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const pipelineContext = seriesModel.pipelineContext;
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const useTypedArray = forceStoreInTypedArray || pipelineContext.large;
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if (!coordSys) {
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return;
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}
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const dims = map(coordSys.dimensions, function (dim) {
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return data.mapDimension(dim);
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}).slice(0, 2);
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const dimLen = dims.length;
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const stackResultDim = data.getCalculationInfo('stackResultDimension');
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if (isDimensionStacked(data, dims[0] /*, dims[1]*/)) {
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dims[0] = stackResultDim;
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}
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if (isDimensionStacked(data, dims[1] /*, dims[0]*/)) {
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dims[1] = stackResultDim;
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}
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const dimInfo0 = data.getDimensionInfo(dims[0]);
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const dimInfo1 = data.getDimensionInfo(dims[1]);
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const dimIdx0 = dimInfo0 && dimInfo0.index;
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const dimIdx1 = dimInfo1 && dimInfo1.index;
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return dimLen && {
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progress(params, data) {
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const segCount = params.end - params.start;
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const points = useTypedArray && createFloat32Array(segCount * dimLen);
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const tmpIn: ParsedValueNumeric[] = [];
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const tmpOut: number[] = [];
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for (let i = params.start, offset = 0; i < params.end; i++) {
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let point;
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if (dimLen === 1) {
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const x = data.getByDimIdx(dimIdx0, i) as ParsedValueNumeric;
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// NOTE: Make sure the second parameter is null to use default strategy.
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point = coordSys.dataToPoint(x, null, tmpOut);
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}
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else {
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tmpIn[0] = data.getByDimIdx(dimIdx0, i) as ParsedValueNumeric;
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tmpIn[1] = data.getByDimIdx(dimIdx1, i) as ParsedValueNumeric;
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// Let coordinate system to handle the NaN data.
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point = coordSys.dataToPoint(tmpIn, null, tmpOut);
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}
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if (useTypedArray) {
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points[offset++] = point[0];
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points[offset++] = point[1];
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}
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else {
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data.setItemLayout(i, point.slice());
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}
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}
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useTypedArray && data.setLayout('points', points);
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}
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};
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}
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};
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};
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