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Atlas multi-texture Android example #301

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This commit is contained in:
Emux 2017-03-01 14:54:02 +02:00
parent 5480cd6df8
commit ac0455b1b4
4 changed files with 145 additions and 4 deletions
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3
vtm-android-example/AndroidManifest.xml
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@ -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" />

136
vtm-android-example/src/org/oscim/android/test/AtlasMultiTextureActivity.java Normal file
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@ -0,0 +1,136 @@
/*
* 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.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
void createLayers() {
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 += 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);
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;
}
}

3
vtm-android-example/src/org/oscim/android/test/Samples.java
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@ -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 @@ public class Samples extends Activity {
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));

7
vtm-playground/src/org/oscim/test/AtlasMultiTextureTest.java
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@ -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 class AtlasMultiTextureTest extends MarkerLayerTest {
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());