echarts pieHelper 源码
echarts pieHelper 代码
文件路径：/src/chart/helper/pieHelper.ts
/*
* 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 type Model from '../../model/Model';
import type Sector from 'zrender/src/graphic/shape/Sector';
import { isArray, map } from 'zrender/src/core/util';
import { parsePercent } from 'zrender/src/contain/text';
export function getSectorCornerRadius(
model: Model<{ borderRadius?: string | number | (string | number)[] }>,
shape: Pick<Sector['shape'], 'r0' | 'r'>,
zeroIfNull?: boolean
) {
let cornerRadius = model.get('borderRadius');
if (cornerRadius == null) {
return zeroIfNull ? { cornerRadius: 0 } : null;
}
if (!isArray(cornerRadius)) {
cornerRadius = [cornerRadius, cornerRadius, cornerRadius, cornerRadius];
}
const dr = Math.abs(shape.r || 0 - shape.r0 || 0);
return {
cornerRadius: map(cornerRadius, cr => parsePercent(cr, dr))
};
}
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