/* * Copyright (C) 2019 Ziwei Huang * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package cn.forward.tiledmapview.layer.tianditu; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import cn.forward.tiledmapview.config.LngLatProjectionTileConfig; import cn.forward.tiledmapview.config.WebMercatorTileConfig; import cn.forward.tiledmapview.core.IProjection; import cn.forward.tiledmapview.core.ITileImageCache; import cn.forward.tiledmapview.core.ITiledMapView; import cn.forward.tiledmapview.layer.PicassoTileImageLoader; import cn.forward.tiledmapview.layer.TileImageCache; import cn.forward.tiledmapview.layer.TileLayer; import cn.forward.tiledmapview.projection.LngLatProjection; import cn.forward.tiledmapview.projection.WebMercatorProjection; /** * @author ziwei huang */ public class TiandituTileLayer extends TileLayer { public TiandituTileLayer(ITiledMapView mapView, TiandituOnlineTileImageSource.ImgType imgType, TiandituOnlineTileImageSource.ProjectionType projectionType, String key) { this(mapView, imgType, projectionType, key, new PicassoTileImageLoader()); } /** * @param mapView * @param imgType * @param projectionType * @param key Using Tianditu API, you need to apply for a key. 使用天地图API,需要申请秘钥 * @see Tianditu API key */ public TiandituTileLayer(ITiledMapView mapView, TiandituOnlineTileImageSource.ImgType imgType, TiandituOnlineTileImageSource.ProjectionType projectionType, String key, TileImageCache.ITileImageLoader tileImageLoader) { Bitmap placeHolder = BitmapFactory.decodeResource(mapView.getContext().getResources(), cn.forward.tiledmapview.R.drawable.grid); ITileImageCache imageCache = new TileImageCache(mapView, new TiandituOnlineTileImageSource(imgType, projectionType, key), tileImageLoader, placeHolder); initialize(mapView, imageCache); if (projectionType == TiandituOnlineTileImageSource.ProjectionType.LNG_LAT) { mapView.setTileConfig(new LngLatProjectionTileConfig(1, 18)); IProjection projection = new LngLatProjection(); mapView.setProjection(projection); } else { mapView.setTileConfig(new WebMercatorTileConfig(1, 18)); IProjection projection = new WebMercatorProjection(); mapView.setProjection(projection); } } }