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libGDX marker layer example, opensciencemap#151
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/* | ||
* Copyright 2016 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.test; | ||
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import org.oscim.backend.CanvasAdapter; | ||
import org.oscim.backend.canvas.Bitmap; | ||
import org.oscim.core.GeoPoint; | ||
import org.oscim.gdx.GdxMapApp; | ||
import org.oscim.layers.TileGridLayer; | ||
import org.oscim.layers.marker.ItemizedLayer; | ||
import org.oscim.layers.marker.MarkerItem; | ||
import org.oscim.layers.marker.MarkerSymbol; | ||
import org.oscim.layers.tile.bitmap.BitmapTileLayer; | ||
import org.oscim.tiling.source.bitmap.DefaultSources; | ||
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import java.util.ArrayList; | ||
import java.util.List; | ||
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public class MarkerLayerTest extends GdxMapApp implements ItemizedLayer.OnItemGestureListener<MarkerItem> { | ||
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private static final boolean BILLBOARDS = true; | ||
private MarkerSymbol mFocusMarker; | ||
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@Override | ||
public void createLayers() { | ||
BitmapTileLayer bitmapLayer = new BitmapTileLayer(mMap, DefaultSources.STAMEN_TONER.build()); | ||
bitmapLayer.tileRenderer().setBitmapAlpha(0.5f); | ||
mMap.setBaseMap(bitmapLayer); | ||
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mMap.setMapPosition(0, 0, 1 << 2); | ||
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Bitmap bitmapPoi = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_poi.png")); | ||
MarkerSymbol symbol; | ||
if (BILLBOARDS) | ||
symbol = new MarkerSymbol(bitmapPoi, MarkerItem.HotspotPlace.BOTTOM_CENTER); | ||
else | ||
symbol = new MarkerSymbol(bitmapPoi, MarkerItem.HotspotPlace.CENTER, false); | ||
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Bitmap bitmapFocus = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_focus.png")); | ||
if (BILLBOARDS) | ||
mFocusMarker = new MarkerSymbol(bitmapFocus, MarkerItem.HotspotPlace.BOTTOM_CENTER); | ||
else | ||
mFocusMarker = new MarkerSymbol(bitmapFocus, MarkerItem.HotspotPlace.CENTER, false); | ||
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ItemizedLayer<MarkerItem> markerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this); | ||
mMap.layers().add(markerLayer); | ||
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List<MarkerItem> pts = new ArrayList<>(); | ||
for (double lat = -90; lat <= 90; lat += 5) { | ||
for (double lon = -180; lon <= 180; lon += 5) | ||
pts.add(new MarkerItem(lat + "/" + lon, "", new GeoPoint(lat, lon))); | ||
} | ||
markerLayer.addItems(pts); | ||
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mMap.layers().add(new TileGridLayer(mMap)); | ||
} | ||
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@Override | ||
public boolean onItemSingleTapUp(int index, MarkerItem item) { | ||
if (item.getMarker() == null) | ||
item.setMarker(mFocusMarker); | ||
else | ||
item.setMarker(null); | ||
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System.out.println(item.getTitle()); | ||
return true; | ||
} | ||
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@Override | ||
public boolean onItemLongPress(int index, MarkerItem item) { | ||
return false; | ||
} | ||
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public static void main(String[] args) { | ||
GdxMapApp.init(); | ||
GdxMapApp.run(new MarkerLayerTest(), null, 400); | ||
} | ||
} |