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node_modules/echarts/src/model/mixin/textStyle.js 2.09 KB
aaac7fed   liuqimichale   add
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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.
  */
  
  import * as textContain from 'zrender/src/contain/text';
  import * as graphicUtil from '../../util/graphic';
  
  var PATH_COLOR = ['textStyle', 'color'];
  
  export default {
      /**
       * Get color property or get color from option.textStyle.color
       * @param {boolean} [isEmphasis]
       * @return {string}
       */
      getTextColor: function (isEmphasis) {
          var ecModel = this.ecModel;
          return this.getShallow('color')
              || (
                  (!isEmphasis && ecModel) ? ecModel.get(PATH_COLOR) : null
              );
      },
  
      /**
       * Create font string from fontStyle, fontWeight, fontSize, fontFamily
       * @return {string}
       */
      getFont: function () {
          return graphicUtil.getFont({
              fontStyle: this.getShallow('fontStyle'),
              fontWeight: this.getShallow('fontWeight'),
              fontSize: this.getShallow('fontSize'),
              fontFamily: this.getShallow('fontFamily')
          }, this.ecModel);
      },
  
      getTextRect: function (text) {
          return textContain.getBoundingRect(
              text,
              this.getFont(),
              this.getShallow('align'),
              this.getShallow('verticalAlign') || this.getShallow('baseline'),
              this.getShallow('padding'),
              this.getShallow('rich'),
              this.getShallow('truncateText')
          );
      }
  };