libGDX marker layer example, #151

vtm-android-example/src/org/oscim/android/test/MarkerOverlayActivity.java

@@ -25,7 +25,6 @@ import org.oscim.backend.canvas.Bitmap;
 import org.oscim.core.GeoPoint;
 import org.oscim.layers.TileGridLayer;
 import org.oscim.layers.marker.ItemizedLayer;
-import org.oscim.layers.marker.ItemizedLayer.OnItemGestureListener;
 import org.oscim.layers.marker.MarkerItem;
 import org.oscim.layers.marker.MarkerItem.HotspotPlace;
 import org.oscim.layers.marker.MarkerSymbol;
@@ -37,9 +36,9 @@ import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
 import static org.oscim.tiling.source.bitmap.DefaultSources.STAMEN_TONER;
 
 public class MarkerOverlayActivity extends BitmapTileMapActivity
-        implements OnItemGestureListener<MarkerItem> {
+        implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
 
-    private static final boolean BILLBOARDS = false;
+    private static final boolean BILLBOARDS = true;
     private MarkerSymbol mFocusMarker;
 
     public MarkerOverlayActivity() {
@@ -68,12 +67,12 @@ public class MarkerOverlayActivity extends BitmapTileMapActivity
             mFocusMarker = new MarkerSymbol(drawableToBitmap(d), HotspotPlace.CENTER, false);
 
         ItemizedLayer<MarkerItem> markerLayer =
-                new ItemizedLayer<MarkerItem>(mMap, new ArrayList<MarkerItem>(),
+                new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(),
                         symbol, this);
 
         mMap.layers().add(markerLayer);
 
-        List<MarkerItem> pts = new ArrayList<MarkerItem>();
+        List<MarkerItem> pts = new ArrayList<>();
 
         for (double lat = -90; lat <= 90; lat += 5) {
             for (double lon = -180; lon <= 180; lon += 5)

vtm-playground/src/org/oscim/test/MarkerLayerTest.java

@@ -0,0 +1,90 @@
+/*
+ * 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;
+
+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;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MarkerLayerTest extends GdxMapApp implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
+
+    private static final boolean BILLBOARDS = true;
+    private MarkerSymbol mFocusMarker;
+
+    @Override
+    public void createLayers() {
+        BitmapTileLayer bitmapLayer = new BitmapTileLayer(mMap, DefaultSources.STAMEN_TONER.build());
+        bitmapLayer.tileRenderer().setBitmapAlpha(0.5f);
+        mMap.setBaseMap(bitmapLayer);
+
+        mMap.setMapPosition(0, 0, 1 << 2);
+
+        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);
+
+        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);
+
+        ItemizedLayer<MarkerItem> markerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
+        mMap.layers().add(markerLayer);
+
+        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);
+
+        mMap.layers().add(new TileGridLayer(mMap));
+    }
+
+    @Override
+    public boolean onItemSingleTapUp(int index, MarkerItem item) {
+        if (item.getMarker() == null)
+            item.setMarker(mFocusMarker);
+        else
+            item.setMarker(null);
+
+        System.out.println(item.getTitle());
+        return true;
+    }
+
+    @Override
+    public boolean onItemLongPress(int index, MarkerItem item) {
+        return false;
+    }
+
+    public static void main(String[] args) {
+        GdxMapApp.init();
+        GdxMapApp.run(new MarkerLayerTest(), null, 400);
+    }
+}