逐步完成前后端服务器
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frontend/node_modules/echarts/lib/component/axisPointer/viewHelper.js
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frontend/node_modules/echarts/lib/component/axisPointer/viewHelper.js
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/*
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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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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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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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import * as zrUtil from 'zrender/lib/core/util.js';
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import * as graphic from '../../util/graphic.js';
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import * as textContain from 'zrender/lib/contain/text.js';
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import * as formatUtil from '../../util/format.js';
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import * as matrix from 'zrender/lib/core/matrix.js';
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import * as axisHelper from '../../coord/axisHelper.js';
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import AxisBuilder from '../axis/AxisBuilder.js';
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import { createTextStyle } from '../../label/labelStyle.js';
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export function buildElStyle(axisPointerModel) {
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var axisPointerType = axisPointerModel.get('type');
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var styleModel = axisPointerModel.getModel(axisPointerType + 'Style');
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var style;
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if (axisPointerType === 'line') {
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style = styleModel.getLineStyle();
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style.fill = null;
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} else if (axisPointerType === 'shadow') {
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style = styleModel.getAreaStyle();
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style.stroke = null;
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}
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return style;
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}
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/**
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* @param {Function} labelPos {align, verticalAlign, position}
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*/
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export function buildLabelElOption(elOption, axisModel, axisPointerModel, api, labelPos) {
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var value = axisPointerModel.get('value');
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var text = getValueLabel(value, axisModel.axis, axisModel.ecModel, axisPointerModel.get('seriesDataIndices'), {
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precision: axisPointerModel.get(['label', 'precision']),
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formatter: axisPointerModel.get(['label', 'formatter'])
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});
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var labelModel = axisPointerModel.getModel('label');
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var paddings = formatUtil.normalizeCssArray(labelModel.get('padding') || 0);
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var font = labelModel.getFont();
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var textRect = textContain.getBoundingRect(text, font);
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var position = labelPos.position;
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var width = textRect.width + paddings[1] + paddings[3];
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var height = textRect.height + paddings[0] + paddings[2];
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// Adjust by align.
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var align = labelPos.align;
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align === 'right' && (position[0] -= width);
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align === 'center' && (position[0] -= width / 2);
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var verticalAlign = labelPos.verticalAlign;
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verticalAlign === 'bottom' && (position[1] -= height);
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verticalAlign === 'middle' && (position[1] -= height / 2);
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// Not overflow ec container
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confineInContainer(position, width, height, api);
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var bgColor = labelModel.get('backgroundColor');
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if (!bgColor || bgColor === 'auto') {
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bgColor = axisModel.get(['axisLine', 'lineStyle', 'color']);
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}
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elOption.label = {
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// shape: {x: 0, y: 0, width: width, height: height, r: labelModel.get('borderRadius')},
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x: position[0],
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y: position[1],
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style: createTextStyle(labelModel, {
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text: text,
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font: font,
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fill: labelModel.getTextColor(),
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padding: paddings,
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backgroundColor: bgColor
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}),
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// Label should be over axisPointer.
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z2: 10
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};
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}
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// Do not overflow ec container
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function confineInContainer(position, width, height, api) {
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var viewWidth = api.getWidth();
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var viewHeight = api.getHeight();
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position[0] = Math.min(position[0] + width, viewWidth) - width;
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position[1] = Math.min(position[1] + height, viewHeight) - height;
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position[0] = Math.max(position[0], 0);
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position[1] = Math.max(position[1], 0);
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}
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export function getValueLabel(value, axis, ecModel, seriesDataIndices, opt) {
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value = axis.scale.parse(value);
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var text = axis.scale.getLabel({
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value: value
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}, {
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// If `precision` is set, width can be fixed (like '12.00500'), which
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// helps to debounce when when moving label.
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precision: opt.precision
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});
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var formatter = opt.formatter;
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if (formatter) {
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var params_1 = {
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value: axisHelper.getAxisRawValue(axis, {
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value: value
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}),
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axisDimension: axis.dim,
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axisIndex: axis.index,
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seriesData: []
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};
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zrUtil.each(seriesDataIndices, function (idxItem) {
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var series = ecModel.getSeriesByIndex(idxItem.seriesIndex);
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var dataIndex = idxItem.dataIndexInside;
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var dataParams = series && series.getDataParams(dataIndex);
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dataParams && params_1.seriesData.push(dataParams);
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});
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if (zrUtil.isString(formatter)) {
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text = formatter.replace('{value}', text);
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} else if (zrUtil.isFunction(formatter)) {
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text = formatter(params_1);
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}
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}
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return text;
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}
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export function getTransformedPosition(axis, value, layoutInfo) {
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var transform = matrix.create();
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matrix.rotate(transform, transform, layoutInfo.rotation);
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matrix.translate(transform, transform, layoutInfo.position);
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return graphic.applyTransform([axis.dataToCoord(value), (layoutInfo.labelOffset || 0) + (layoutInfo.labelDirection || 1) * (layoutInfo.labelMargin || 0)], transform);
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}
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export function buildCartesianSingleLabelElOption(value, elOption, layoutInfo, axisModel, axisPointerModel, api) {
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// @ts-ignore
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var textLayout = AxisBuilder.innerTextLayout(layoutInfo.rotation, 0, layoutInfo.labelDirection);
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layoutInfo.labelMargin = axisPointerModel.get(['label', 'margin']);
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buildLabelElOption(elOption, axisModel, axisPointerModel, api, {
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position: getTransformedPosition(axisModel.axis, value, layoutInfo),
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align: textLayout.textAlign,
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verticalAlign: textLayout.textVerticalAlign
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});
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}
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export function makeLineShape(p1, p2, xDimIndex) {
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xDimIndex = xDimIndex || 0;
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return {
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x1: p1[xDimIndex],
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y1: p1[1 - xDimIndex],
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x2: p2[xDimIndex],
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y2: p2[1 - xDimIndex]
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};
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}
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export function makeRectShape(xy, wh, xDimIndex) {
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xDimIndex = xDimIndex || 0;
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return {
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x: xy[xDimIndex],
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y: xy[1 - xDimIndex],
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width: wh[xDimIndex],
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height: wh[1 - xDimIndex]
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};
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}
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export function makeSectorShape(cx, cy, r0, r, startAngle, endAngle) {
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return {
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cx: cx,
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cy: cy,
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r0: r0,
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r: r,
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startAngle: startAngle,
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endAngle: endAngle,
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clockwise: true
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};
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}
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