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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.
*/

var makeStyleMapper = require("./makeStyleMapper");

/*
* 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.
*/
var getLineStyle = makeStyleMapper([['lineWidth', 'width'], ['stroke', 'color'], ['opacity'], ['shadowBlur'], ['shadowOffsetX'], ['shadowOffsetY'], ['shadowColor']]);
var _default = {
  getLineStyle: function (excludes) {
    var style = getLineStyle(this, excludes); // Always set lineDash whether dashed, otherwise we can not
    // erase the previous style when assigning to el.style.

    style.lineDash = this.getLineDash(style.lineWidth);
    return style;
  },
  getLineDash: function (lineWidth) {
    if (lineWidth == null) {
      lineWidth = 1;
    }

    var lineType = this.get('type');
    var dotSize = Math.max(lineWidth, 2);
    var dashSize = lineWidth * 4;
    return lineType === 'solid' || lineType == null ? // Use `false` but not `null` for the solid line here, because `null` might be
    // ignored when assigning to `el.style`. e.g., when setting `lineStyle.type` as
    // `'dashed'` and `emphasis.lineStyle.type` as `'solid'` in graph series, the
    // `lineDash` gotten form the latter one is not able to erase that from the former
    // one if using `null` here according to the emhpsis strategy in `util/graphic.js`.
    false : lineType === 'dashed' ? [dashSize, dashSize] : [dotSize, dotSize];
  }
};
module.exports = _default;