zh/builder/src/echarts3/model/mixin/textStyle.js

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'));
  }
};