vtm/vtm-android-example/src/org/oscim/android/test/AtlasMultiTextureActivity.java
2017-03-07 11:00:49 +02:00

116 lines
4.6 KiB
Java

/*
* Copyright 2014 Hannes Janetzek
* Copyright 2016-2017 devemux86
* Copyright 2017 Longri
*
* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
*
* 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.widget.Toast;
import org.oscim.backend.CanvasAdapter;
import org.oscim.backend.canvas.Bitmap;
import org.oscim.backend.canvas.Canvas;
import org.oscim.backend.canvas.Color;
import org.oscim.backend.canvas.Paint;
import org.oscim.core.GeoPoint;
import org.oscim.layers.marker.ItemizedLayer;
import org.oscim.layers.marker.MarkerItem;
import org.oscim.layers.marker.MarkerSymbol;
import org.oscim.layers.marker.MarkerSymbol.HotspotPlace;
import org.oscim.layers.tile.buildings.BuildingLayer;
import org.oscim.layers.tile.vector.VectorTileLayer;
import org.oscim.layers.tile.vector.labeling.LabelLayer;
import org.oscim.renderer.atlas.TextureAtlas;
import org.oscim.renderer.atlas.TextureRegion;
import org.oscim.theme.VtmThemes;
import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
import org.oscim.utils.TextureAtlasUtils;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
public class AtlasMultiTextureActivity extends MarkerOverlayActivity {
@Override
void createLayers() {
// Map events receiver
mMap.layers().add(new MapEventsReceiver(mMap));
VectorTileLayer l = mMap.setBaseMap(new OSciMap4TileSource());
mMap.layers().add(new BuildingLayer(mMap, l));
mMap.layers().add(new LabelLayer(mMap, l));
mMap.setTheme(VtmThemes.DEFAULT);
// Create Atlas from Bitmaps
java.util.Map<Object, Bitmap> inputMap = new LinkedHashMap<>();
java.util.Map<Object, TextureRegion> regionsMap = new LinkedHashMap<>();
List<TextureAtlas> atlasList = new ArrayList<>();
float scale = getResources().getDisplayMetrics().density;
Canvas canvas = CanvasAdapter.newCanvas();
Paint paint = CanvasAdapter.newPaint();
paint.setTypeface(Paint.FontFamily.DEFAULT, Paint.FontStyle.NORMAL);
paint.setTextSize(12 * scale);
paint.setStrokeWidth(2 * scale);
paint.setColor(Color.BLACK);
List<MarkerItem> pts = new ArrayList<>();
for (double lat = -90; lat <= 90; lat += 10) {
for (double lon = -180; lon <= 180; lon += 10) {
String title = lat + "/" + lon;
pts.add(new MarkerItem(title, "", new GeoPoint(lat, lon)));
Bitmap bmp = CanvasAdapter.newBitmap((int) (40 * scale), (int) (40 * scale), 0);
canvas.setBitmap(bmp);
canvas.fillColor(Color.GREEN);
canvas.drawText(Double.toString(lat), 3 * scale, 17 * scale, paint);
canvas.drawText(Double.toString(lon), 3 * scale, 35 * scale, paint);
inputMap.put(title, bmp);
}
}
// Bitmaps will never used any more
// With iOS we must flip the Y-Axis
TextureAtlasUtils.createTextureRegions(inputMap, regionsMap, atlasList, true, false);
mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), (MarkerSymbol) null, this);
mMap.layers().add(mMarkerLayer);
mMarkerLayer.addItems(pts);
// set all markers
for (MarkerItem item : pts) {
MarkerSymbol markerSymbol = new MarkerSymbol(regionsMap.get(item.getTitle()), HotspotPlace.BOTTOM_CENTER);
item.setMarker(markerSymbol);
}
Toast.makeText(this, "Atlas count: " + atlasList.size(), Toast.LENGTH_SHORT).show();
}
@Override
public boolean onItemSingleTapUp(int index, MarkerItem item) {
Toast.makeText(this, "Marker tap\n" + item.getTitle(), Toast.LENGTH_SHORT).show();
return true;
}
@Override
public boolean onItemLongPress(int index, MarkerItem item) {
Toast.makeText(this, "Marker long press\n" + item.getTitle(), Toast.LENGTH_SHORT).show();
return true;
}
}