DrawTool support add custom Coordinate vertex (#2391)

* DrawTool support add custom Coordinate vertex

* spec

* fix WMSTileLayer doc typo

* export BBOXUtil

src/index.ts

@@ -7,9 +7,10 @@ import * as Util from './core/util/index';
 import * as DomUtil from './core/util/dom';
 import * as StringUtil from './core/util/strings';
 import * as MapboxUtil from './core/mapbox';
+import * as BBOXUtil from './core/util/bbox';
 
 import * as MicroTask from './core/MicroTask';
-export { Util, DomUtil, StringUtil, MapboxUtil, MicroTask };
+export { Util, DomUtil, StringUtil, MapboxUtil, MicroTask, BBOXUtil };
 
 export { default as LRUCache } from './core/util/LRUCache';
 export { default as Ajax } from './core/Ajax';

src/layer/tile/WMSTileLayer.ts

@@ -10,8 +10,8 @@ import TileLayer, { TileLayerOptionsType } from './TileLayer';
  * @property options.layers              - Comma-separated list of WMS layers to show.
  * @property [options.styles='']         - Comma-separated list of WMS styles.
  * @property [options.format=image/jpeg] - WMS image format (use `'image/png'` for layers with transparency).
- * @property [options.transparent=false] - Version of the WMS service to use
- * @property [options.version=1.1.1]     - size of the tile image
+ * @property [options.transparent=false] - Is the tile transparent 
+ * @property [options.version=1.1.1]     - Version of the WMS service to use 
  * @property [options.crs=null]          - Coordinate Reference System to use for the WMS requests, defaults to map CRS. Don't change this if you're not sure what it means.
  * @property [options.uppercase=false]   - If `true`, WMS request parameter keys will be uppercase.
  * @property [options.detectRetina=false]   - If `true` and user is on a retina display, it will request four tiles of half the specified size and a bigger zoom level in place of one to utilize the high resolution.

src/map/tool/DrawTool.ts

@@ -907,6 +907,37 @@ class DrawTool extends MapTool {
         return this;
     }
 
+    /**
+    * 添加一个自定义的坐标点
+    * @english
+    * add a custom Coordinate
+    * @param  {Coordinate} coordinate -  coordinate
+    * @return this
+    */
+    addCoordinate(coordinate: Coordinate) {
+        if (!this.isEnabled()) {
+            return this;
+        }
+        const map = this.getMap();
+        if (!map) {
+            return this;
+        }
+        coordinate = new Coordinate(coordinate);
+        const eventParam = map._parseEventFromCoord(coordinate);
+        this._clickHandler(eventParam);
+        return this;
+    }
+
+    /**
+     * 获取临时的Geometry
+     * @english
+     * get temp Geometry
+     * @return Geometry
+    */
+    getTempGeometry() {
+        return this._geometry;
+    }
+
 }
 
 DrawTool.mergeOptions(options);