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node_modules/zrender/lib/graphic/shape/Line.js 951 Bytes
aaac7fed   liuqimichale   add
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  var Path = require("../Path");
  
  /**
   * 直线
   * @module zrender/graphic/shape/Line
   */
  var _default = Path.extend({
    type: 'line',
    shape: {
      // Start point
      x1: 0,
      y1: 0,
      // End point
      x2: 0,
      y2: 0,
      percent: 1
    },
    style: {
      stroke: '#000',
      fill: null
    },
    buildPath: function (ctx, shape) {
      var x1 = shape.x1;
      var y1 = shape.y1;
      var x2 = shape.x2;
      var y2 = shape.y2;
      var percent = shape.percent;
  
      if (percent === 0) {
        return;
      }
  
      ctx.moveTo(x1, y1);
  
      if (percent < 1) {
        x2 = x1 * (1 - percent) + x2 * percent;
        y2 = y1 * (1 - percent) + y2 * percent;
      }
  
      ctx.lineTo(x2, y2);
    },
  
    /**
     * Get point at percent
     * @param  {number} percent
     * @return {Array.<number>}
     */
    pointAt: function (p) {
      var shape = this.shape;
      return [shape.x1 * (1 - p) + shape.x2 * p, shape.y1 * (1 - p) + shape.y2 * p];
    }
  });
  
  module.exports = _default;