/*
* 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.
*/
export function getNodeGlobalScale(seriesModel) {
  var coordSys = seriesModel.coordinateSystem;

  if (coordSys.type !== 'view') {
    return 1;
  }

  var nodeScaleRatio = seriesModel.option.nodeScaleRatio;
  var groupScale = coordSys.scale;
  var groupZoom = groupScale && groupScale[0] || 1; // Scale node when zoom changes

  var roamZoom = coordSys.getZoom();
  var nodeScale = (roamZoom - 1) * nodeScaleRatio + 1;
  return nodeScale / groupZoom;
}
export function getSymbolSize(node) {
  var symbolSize = node.getVisual('symbolSize');

  if (symbolSize instanceof Array) {
    symbolSize = (symbolSize[0] + symbolSize[1]) / 2;
  }

  return +symbolSize;
}