/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /** * AUTO-GENERATED FILE. DO NOT MODIFY. */ /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import { subPixelOptimize } from '../../util/graphic.js'; import createRenderPlanner from '../helper/createRenderPlanner.js'; import { parsePercent } from '../../util/number.js'; import { map, retrieve2 } from 'zrender/lib/core/util.js'; import { createFloat32Array } from '../../util/vendor.js'; var candlestickLayout = { seriesType: 'candlestick', plan: createRenderPlanner(), reset: function (seriesModel) { var coordSys = seriesModel.coordinateSystem; var data = seriesModel.getData(); var candleWidth = calculateCandleWidth(seriesModel, data); var cDimIdx = 0; var vDimIdx = 1; var coordDims = ['x', 'y']; var cDimI = data.getDimensionIndex(data.mapDimension(coordDims[cDimIdx])); var vDimsI = map(data.mapDimensionsAll(coordDims[vDimIdx]), data.getDimensionIndex, data); var openDimI = vDimsI[0]; var closeDimI = vDimsI[1]; var lowestDimI = vDimsI[2]; var highestDimI = vDimsI[3]; data.setLayout({ candleWidth: candleWidth, // The value is experimented visually. isSimpleBox: candleWidth <= 1.3 }); if (cDimI < 0 || vDimsI.length < 4) { return; } return { progress: seriesModel.pipelineContext.large ? largeProgress : normalProgress }; function normalProgress(params, data) { var dataIndex; var store = data.getStore(); while ((dataIndex = params.next()) != null) { var axisDimVal = store.get(cDimI, dataIndex); var openVal = store.get(openDimI, dataIndex); var closeVal = store.get(closeDimI, dataIndex); var lowestVal = store.get(lowestDimI, dataIndex); var highestVal = store.get(highestDimI, dataIndex); var ocLow = Math.min(openVal, closeVal); var ocHigh = Math.max(openVal, closeVal); var ocLowPoint = getPoint(ocLow, axisDimVal); var ocHighPoint = getPoint(ocHigh, axisDimVal); var lowestPoint = getPoint(lowestVal, axisDimVal); var highestPoint = getPoint(highestVal, axisDimVal); var ends = []; addBodyEnd(ends, ocHighPoint, 0); addBodyEnd(ends, ocLowPoint, 1); ends.push(subPixelOptimizePoint(highestPoint), subPixelOptimizePoint(ocHighPoint), subPixelOptimizePoint(lowestPoint), subPixelOptimizePoint(ocLowPoint)); var itemModel = data.getItemModel(dataIndex); var hasDojiColor = !!itemModel.get(['itemStyle', 'borderColorDoji']); data.setItemLayout(dataIndex, { sign: getSign(store, dataIndex, openVal, closeVal, closeDimI, hasDojiColor), initBaseline: openVal > closeVal ? ocHighPoint[vDimIdx] : ocLowPoint[vDimIdx], ends: ends, brushRect: makeBrushRect(lowestVal, highestVal, axisDimVal) }); } function getPoint(val, axisDimVal) { var p = []; p[cDimIdx] = axisDimVal; p[vDimIdx] = val; return isNaN(axisDimVal) || isNaN(val) ? [NaN, NaN] : coordSys.dataToPoint(p); } function addBodyEnd(ends, point, start) { var point1 = point.slice(); var point2 = point.slice(); point1[cDimIdx] = subPixelOptimize(point1[cDimIdx] + candleWidth / 2, 1, false); point2[cDimIdx] = subPixelOptimize(point2[cDimIdx] - candleWidth / 2, 1, true); start ? ends.push(point1, point2) : ends.push(point2, point1); } function makeBrushRect(lowestVal, highestVal, axisDimVal) { var pmin = getPoint(lowestVal, axisDimVal); var pmax = getPoint(highestVal, axisDimVal); pmin[cDimIdx] -= candleWidth / 2; pmax[cDimIdx] -= candleWidth / 2; return { x: pmin[0], y: pmin[1], width: vDimIdx ? candleWidth : pmax[0] - pmin[0], height: vDimIdx ? pmax[1] - pmin[1] : candleWidth }; } function subPixelOptimizePoint(point) { point[cDimIdx] = subPixelOptimize(point[cDimIdx], 1); return point; } } function largeProgress(params, data) { // Structure: [sign, x, yhigh, ylow, sign, x, yhigh, ylow, ...] var points = createFloat32Array(params.count * 4); var offset = 0; var point; var tmpIn = []; var tmpOut = []; var dataIndex; var store = data.getStore(); var hasDojiColor = !!seriesModel.get(['itemStyle', 'borderColorDoji']); while ((dataIndex = params.next()) != null) { var axisDimVal = store.get(cDimI, dataIndex); var openVal = store.get(openDimI, dataIndex); var closeVal = store.get(closeDimI, dataIndex); var lowestVal = store.get(lowestDimI, dataIndex); var highestVal = store.get(highestDimI, dataIndex); if (isNaN(axisDimVal) || isNaN(lowestVal) || isNaN(highestVal)) { points[offset++] = NaN; offset += 3; continue; } points[offset++] = getSign(store, dataIndex, openVal, closeVal, closeDimI, hasDojiColor); tmpIn[cDimIdx] = axisDimVal; tmpIn[vDimIdx] = lowestVal; point = coordSys.dataToPoint(tmpIn, null, tmpOut); points[offset++] = point ? point[0] : NaN; points[offset++] = point ? point[1] : NaN; tmpIn[vDimIdx] = highestVal; point = coordSys.dataToPoint(tmpIn, null, tmpOut); points[offset++] = point ? point[1] : NaN; } data.setLayout('largePoints', points); } } }; /** * Get the sign of a single data. * * @returns 0 for doji with hasDojiColor: true, * 1 for positive, * -1 for negative. */ function getSign(store, dataIndex, openVal, closeVal, closeDimI, hasDojiColor) { var sign; if (openVal > closeVal) { sign = -1; } else if (openVal < closeVal) { sign = 1; } else { sign = hasDojiColor // When doji color is set, use it instead of color/color0. ? 0 : dataIndex > 0 // If close === open, compare with close of last record ? store.get(closeDimI, dataIndex - 1) <= closeVal ? 1 : -1 : // No record of previous, set to be positive 1; } return sign; } function calculateCandleWidth(seriesModel, data) { var baseAxis = seriesModel.getBaseAxis(); var extent; var bandWidth = baseAxis.type === 'category' ? baseAxis.getBandWidth() : (extent = baseAxis.getExtent(), Math.abs(extent[1] - extent[0]) / data.count()); var barMaxWidth = parsePercent(retrieve2(seriesModel.get('barMaxWidth'), bandWidth), bandWidth); var barMinWidth = parsePercent(retrieve2(seriesModel.get('barMinWidth'), 1), bandWidth); var barWidth = seriesModel.get('barWidth'); return barWidth != null ? parsePercent(barWidth, bandWidth) // Put max outer to ensure bar visible in spite of overlap. : Math.max(Math.min(bandWidth / 2, barMaxWidth), barMinWidth); } export default candlestickLayout;