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
|
/*
* L.Polygon is used to display polygons on a map.
*/
L.Polygon = L.Polyline.extend({
options: {
fill: true
},
initialize: function(latlngs, options) {
L.Polyline.prototype.initialize.call(this, latlngs, options);
if (latlngs[0] instanceof Array) {
this._latlngs = latlngs[0];
this._holes = latlngs.slice(1);
}
},
projectLatlngs: function() {
L.Polyline.prototype.projectLatlngs.call(this);
// project polygon holes points
// TODO move this logic to Polyline to get rid of duplication
this._holePoints = [];
if (!this._holes) return;
for (var i = 0, len = this._holes.length, hole; i < len; i++) {
this._holePoints[i] = [];
for(var j = 0, len2 = this._holes[i].length; j < len2; j++) {
this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
}
}
},
_clipPoints: function() {
var points = this._originalPoints,
newParts = [];
this._parts = [points].concat(this._holePoints);
if (this.options.noClip) return;
for (var i = 0, len = this._parts.length; i < len; i++) {
var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
if (!clipped.length) continue;
newParts.push(clipped);
}
this._parts = newParts;
},
_getPathPartStr: function(points) {
var str = L.Polyline.prototype._getPathPartStr.call(this, points);
return str + (L.Path.SVG ? 'z' : 'x');
}
});
|