Blame view

node_modules/zrender/lib/graphic/shape/Rose.js 1.49 KB
bd028579   易尊强   2/28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
  import { __extends } from "tslib";
  import Path from '../Path.js';
  var sin = Math.sin;
  var cos = Math.cos;
  var radian = Math.PI / 180;
  var RoseShape = (function () {
      function RoseShape() {
          this.cx = 0;
          this.cy = 0;
          this.r = [];
          this.k = 0;
          this.n = 1;
      }
      return RoseShape;
  }());
  export { RoseShape };
  var Rose = (function (_super) {
      __extends(Rose, _super);
      function Rose(opts) {
          return _super.call(this, opts) || this;
      }
      Rose.prototype.getDefaultStyle = function () {
          return {
              stroke: '#000',
              fill: null
          };
      };
      Rose.prototype.getDefaultShape = function () {
          return new RoseShape();
      };
      Rose.prototype.buildPath = function (ctx, shape) {
          var R = shape.r;
          var k = shape.k;
          var n = shape.n;
          var x0 = shape.cx;
          var y0 = shape.cy;
          var x;
          var y;
          var r;
          ctx.moveTo(x0, y0);
          for (var i = 0, len = R.length; i < len; i++) {
              r = R[i];
              for (var j = 0; j <= 360 * n; j++) {
                  x = r
                      * sin(k / n * j % 360 * radian)
                      * cos(j * radian)
                      + x0;
                  y = r
                      * sin(k / n * j % 360 * radian)
                      * sin(j * radian)
                      + y0;
                  ctx.lineTo(x, y);
              }
          }
      };
      return Rose;
  }(Path));
  Rose.prototype.type = 'rose';
  export default Rose;