bd028579
 易尊强
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/*
* 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 { lift } from 'zrender/lib/tool/color.js';
import { extend, isString } from 'zrender/lib/core/util.js';
export default function sunburstVisual(ecModel) {
var paletteScope = {};
// Default color strategy
function pickColor(node, seriesModel, treeHeight) {
// Choose color from palette based on the first level.
var current = node;
while (current && current.depth > 1) {
current = current.parentNode;
}
var color = seriesModel.getColorFromPalette(current.name || current.dataIndex + '', paletteScope);
if (node.depth > 1 && isString(color)) {
// Lighter on the deeper level.
color = lift(color, (node.depth - 1) / (treeHeight - 1) * 0.5);
}
return color;
}
ecModel.eachSeriesByType('sunburst', function (seriesModel) {
var data = seriesModel.getData();
var tree = data.tree;
tree.eachNode(function (node) {
var model = node.getModel();
var style = model.getModel('itemStyle').getItemStyle();
if (!style.fill) {
style.fill = pickColor(node, seriesModel, tree.root.height);
}
var existsStyle = data.ensureUniqueItemVisual(node.dataIndex, 'style');
extend(existsStyle, style);
});
});
}
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