Code coverage report for ol/render/box.js

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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
 
 
1
 
1
1
1
1
1
1
 
 
 
 
 
 
 
 
1
 
 
 
 
 
80
 
 
 
 
 
80
 
 
 
 
 
80
 
 
 
 
 
80
 
 
 
 
 
80
 
 
 
 
 
80
 
 
1
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
// FIXME add rotation
 
goog.provide('ol.render.Box');
 
goog.require('goog.Disposable');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('goog.events');
goog.require('ol.geom.Polygon');
goog.require('ol.render.EventType');
 
 
 
/**
 * @constructor
 * @extends {goog.Disposable}
 * @param {ol.style.Style} style Style.
 */
ol.render.Box = function(style) {
 
  /**
   * @private
   * @type {ol.Map}
   */
  this.map_ = null;
 
  /**
   * @private
   * @type {goog.events.Key}
   */
  this.postComposeListenerKey_ = null;
 
  /**
   * @private
   * @type {ol.Pixel}
   */
  this.startPixel_ = null;
 
  /**
   * @private
   * @type {ol.Pixel}
   */
  this.endPixel_ = null;
 
  /**
   * @private
   * @type {ol.geom.Polygon}
   */
  this.geometry_ = null;
 
  /**
   * @private
   * @type {ol.style.Style}
   */
  this.style_ = style;
 
};
goog.inherits(ol.render.Box, goog.Disposable);
 
 
/**
 * @private
 * @return {ol.geom.Polygon} Geometry.
 */
ol.render.Box.prototype.createGeometry_ = function() {
  goog.asserts.assert(!goog.isNull(this.startPixel_),
      'this.startPixel_ should not be null');
  goog.asserts.assert(!goog.isNull(this.endPixel_),
      'this.endPixel_ should not be null');
  goog.asserts.assert(!goog.isNull(this.map_), 'this.map_ should not be null');
  var startPixel = this.startPixel_;
  var endPixel = this.endPixel_;
  var pixels = [
    startPixel,
    [startPixel[0], endPixel[1]],
    endPixel,
    [endPixel[0], startPixel[1]]
  ];
  var coordinates = goog.array.map(pixels,
      this.map_.getCoordinateFromPixel, this.map_);
  // close the polygon
  coordinates[4] = coordinates[0].slice();
  return new ol.geom.Polygon([coordinates]);
};
 
 
/**
 * @inheritDoc
 */
ol.render.Box.prototype.disposeInternal = function() {
  this.setMap(null);
};
 
 
/**
 * @param {ol.render.Event} event Event.
 * @private
 */
ol.render.Box.prototype.handleMapPostCompose_ = function(event) {
  var geometry = this.geometry_;
  goog.asserts.assert(goog.isDefAndNotNull(geometry),
      'geometry should be defined');
  var style = this.style_;
  goog.asserts.assert(!goog.isNull(style), 'style should not be null');
  // use drawAsync(Infinity) to draw above everything
  event.vectorContext.drawAsync(Infinity, function(render) {
    render.setFillStrokeStyle(style.getFill(), style.getStroke());
    render.setTextStyle(style.getText());
    render.drawPolygonGeometry(geometry, null);
  });
};
 
 
/**
 * @return {ol.geom.Polygon} Geometry.
 */
ol.render.Box.prototype.getGeometry = function() {
  return this.geometry_;
};
 
 
/**
 * @private
 */
ol.render.Box.prototype.requestMapRenderFrame_ = function() {
  if (!goog.isNull(this.map_) &&
      !goog.isNull(this.startPixel_) &&
      !goog.isNull(this.endPixel_)) {
    this.map_.render();
  }
};
 
 
/**
 * @param {ol.Map} map Map.
 */
ol.render.Box.prototype.setMap = function(map) {
  if (!goog.isNull(this.postComposeListenerKey_)) {
    goog.events.unlistenByKey(this.postComposeListenerKey_);
    this.postComposeListenerKey_ = null;
    this.map_.render();
    this.map_ = null;
  }
  this.map_ = map;
  if (!goog.isNull(this.map_)) {
    this.postComposeListenerKey_ = goog.events.listen(
        map, ol.render.EventType.POSTCOMPOSE, this.handleMapPostCompose_, false,
        this);
    this.requestMapRenderFrame_();
  }
};
 
 
/**
 * @param {ol.Pixel} startPixel Start pixel.
 * @param {ol.Pixel} endPixel End pixel.
 */
ol.render.Box.prototype.setPixels = function(startPixel, endPixel) {
  this.startPixel_ = startPixel;
  this.endPixel_ = endPixel;
  this.geometry_ = this.createGeometry_();
  this.requestMapRenderFrame_();
};