Atlas multi-texture Android example #301

vtm-android-example/AndroidManifest.xml

@@ -29,6 +29,9 @@
         <activity
             android:name=".AtlasMarkerOverlayActivity"
             android:configChanges="keyboardHidden|orientation|screenSize" />
+        <activity
+            android:name=".AtlasMultiTextureActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize" />
         <activity
             android:name=".BitmapTileMapActivity"
             android:configChanges="keyboardHidden|orientation|screenSize" />

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

@@ -0,0 +1,138 @@
+/*
+ * 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.graphics.drawable.Drawable;
+import android.os.Bundle;
+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.TileGridLayer;
+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.renderer.atlas.TextureAtlas;
+import org.oscim.renderer.atlas.TextureRegion;
+import org.oscim.utils.TextureAtlasUtils;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+
+import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
+
+public class AtlasMultiTextureActivity extends MarkerOverlayActivity {
+
+    private java.util.Map<Object, TextureRegion> regionsMap;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mBitmapLayer.tileRenderer().setBitmapAlpha(0.5f);
+
+        // Map events receiver
+        mMap.layers().add(new MapEventsReceiver(mMap));
+
+        /* directly load bitmap from resources */
+        Bitmap bitmapPoi = drawableToBitmap(getResources(), R.drawable.marker_poi);
+
+        /* another option: use some bitmap drawable */
+        Drawable d = getResources().getDrawable(R.drawable.marker_focus);
+        Bitmap bitmapFocus = drawableToBitmap(d);
+
+        // Create Atlas from Bitmaps
+        java.util.Map<Object, Bitmap> inputMap = new LinkedHashMap<>();
+        regionsMap = new LinkedHashMap<>();
+        List<TextureAtlas> atlasList = new ArrayList<>();
+
+        inputMap.put("poi", bitmapPoi);
+        inputMap.put("focus", bitmapFocus);
+
+        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 += 5) {
+            for (double lon = -180; lon <= 180; lon += 5) {
+                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);
+
+        MarkerSymbol symbol;
+        if (BILLBOARDS)
+            symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.BOTTOM_CENTER);
+        else
+            symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.CENTER, false);
+
+        if (BILLBOARDS)
+            mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.BOTTOM_CENTER);
+        else
+            mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.CENTER, false);
+
+        mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
+        mMap.layers().add(mMarkerLayer);
+
+        mMarkerLayer.addItems(pts);
+
+        mMap.layers().add(new TileGridLayer(mMap, getResources().getDisplayMetrics().density));
+
+        // 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) {
+        if (item.getMarker() == null) {
+            MarkerSymbol markerSymbol = new MarkerSymbol(regionsMap.get(item.getTitle()), HotspotPlace.BOTTOM_CENTER);
+            item.setMarker(markerSymbol);
+        } else
+            item.setMarker(null);
+
+        Toast.makeText(this, "Marker tap\n" + item.getTitle(), Toast.LENGTH_SHORT).show();
+        return true;
+    }
+}

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

@@ -1,7 +1,7 @@
 /*
  * Copyright 2010, 2011, 2012, 2013 mapsforge.org
  * Copyright 2013 Hannes Janetzek
- * Copyright 2016 devemux86
+ * Copyright 2016-2017 devemux86
  * Copyright 2017 Longri
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -53,6 +53,7 @@ protected void onCreate(Bundle savedInstanceState) {
         linearLayout.addView(createButton(MarkerOverlayActivity.class));
         linearLayout.addView(createButton(RotateMarkerOverlayActivity.class));
         linearLayout.addView(createButton(AtlasMarkerOverlayActivity.class));
+        linearLayout.addView(createButton(AtlasMultiTextureActivity.class));
         linearLayout.addView(createButton(PathOverlayActivity.class));
         linearLayout.addView(createButton(LineTexActivity.class));
         linearLayout.addView(createButton(VectorLayerMapActivity.class));

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 devemux86
+ * Copyright 2016-2017 devemux86
  * Copyright 2017 Longri
  *
  * This program is free software: you can redistribute it and/or modify it under the
@@ -109,8 +109,9 @@ public void createLayers() {
         mMap.layers().add(new TileGridLayer(mMap));
 
         // set all markers
-        for (int i = 0; i < pts.size(); i++) {
-            onItemSingleTapUp(i, pts.get(i));
+        for (MarkerItem item : pts) {
+            MarkerSymbol markerSymbol = new MarkerSymbol(regionsMap.get(item.getTitle()), HotspotPlace.BOTTOM_CENTER);
+            item.setMarker(markerSymbol);
         }
 
         System.out.println("Atlas count: " + atlasList.size());