Aw5739 Add ngx openlayers

projects/ngx-openlayers/src/lib/layers/layerimage.component.ts

@@ -0,0 +1,40 @@
+import { Component, Input, OnChanges, OnInit, Optional, SimpleChanges } from '@angular/core';
+import { Extent } from 'ol/extent';
+import { Image } from 'ol/layer';
+import { MapComponent } from '../map.component';
+import { LayerComponent } from './layer.component';
+import { LayerGroupComponent } from './layergroup.component';
+
+@Component({
+  selector: 'aol-layer-image',
+  template: ` <ng-content></ng-content> `,
+})
+export class LayerImageComponent extends LayerComponent implements OnInit, OnChanges {
+  @Input()
+  opacity: number;
+  @Input()
+  visible: boolean;
+  @Input()
+  extent: Extent;
+  @Input()
+  minResolution: number;
+  @Input()
+  maxResolution: number;
+  @Input()
+  zIndex: number;
+
+  source: Image;
+
+  constructor(map: MapComponent, @Optional() group?: LayerGroupComponent) {
+    super(group || map);
+  }
+
+  ngOnInit() {
+    this.instance = new Image(this);
+    super.ngOnInit();
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    super.ngOnChanges(changes);
+  }
+}