vtm/vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java
2017-03-07 11:11:31 +02:00

116 lines
3.8 KiB
Java

/*
* Copyright 2014 Hannes Janetzek
* Copyright 2017 devemux86
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.android.test;
import android.os.Bundle;
import org.oscim.android.cache.TileCache;
import org.oscim.core.MapPosition;
import org.oscim.core.MercatorProjection;
import org.oscim.layers.tile.bitmap.BitmapTileLayer;
import org.oscim.renderer.MapRenderer;
import org.oscim.tiling.source.bitmap.BitmapTileSource;
import org.oscim.tiling.source.bitmap.DefaultSources;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BitmapTileMapActivity extends MapActivity {
static final Logger log = LoggerFactory.getLogger(BitmapTileMapActivity.class);
private final static boolean USE_CACHE = true;
private final BitmapTileSource mTileSource;
protected BitmapTileLayer mBitmapLayer;
public BitmapTileMapActivity() {
this(DefaultSources.OPENSTREETMAP.build());
}
public BitmapTileMapActivity(BitmapTileSource tileSource) {
super(R.layout.activity_map);
mTileSource = tileSource;
}
private TileCache mCache;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
MapRenderer.setBackgroundColor(0xff777777);
if (mTileSource == null)
return;
if (USE_CACHE) {
String cacheFile = mTileSource.getUrl()
.toString()
.replaceFirst("https?://", "")
.replaceAll("/", "-");
log.debug("use bitmap cache {}", cacheFile);
mCache = new TileCache(this, null, cacheFile);
mCache.setCacheSize(512 * (1 << 10));
mTileSource.setCache(mCache);
}
mBitmapLayer = new BitmapTileLayer(mMap, mTileSource);
mMap.layers().add(mBitmapLayer);
//loooop(1);
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mCache != null)
mCache.dispose();
}
// Stress testing
void loooop(final int i) {
final long time = (long) (500 + Math.random() * 1000);
mMapView.postDelayed(new Runnable() {
@Override
public void run() {
MapPosition p = new MapPosition();
if (i == 1) {
mMapView.map().getMapPosition(p);
p.setScale(4);
mMapView.map().animator().animateTo(time, p);
} else {
//mMapView.map().setMapPosition(p);
p.setScale(2 + (1 << (int) (Math.random() * 13)));
// p.setX((p.getX() + (Math.random() * 4 - 2) / p.getScale()));
// p.setY((p.getY() + (Math.random() * 4 - 2) / p.getScale()));
p.setX(MercatorProjection.longitudeToX(Math.random() * 180));
p.setY(MercatorProjection.latitudeToY(Math.random() * 60));
p.setTilt((float) (Math.random() * 60));
p.setBearing((float) (Math.random() * 360));
//mMapView.map().setMapPosition(p);
mMapView.map().animator().animateTo(time, p);
}
loooop((i + 1) % 2);
}
}, time);
}
}