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Texture atlas with marker overlays example (#284)

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This commit is contained in:
Longri 2017-01-27 08:53:24 +01:00 committed by Emux
parent 945b84f04f
commit 120182ec15
6 changed files with 203 additions and 6 deletions
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3
vtm-android-example/AndroidManifest.xml
View File

@ -26,6 +26,9 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".AtlasMarkerOverlayActivity"
android:configChanges="keyboardHidden|orientation|screenSize" />
<activity
android:name=".BitmapTileMapActivity"
android:configChanges="keyboardHidden|orientation|screenSize" />

99
vtm-android-example/src/org/oscim/android/test/AtlasMarkerOverlayActivity.java Normal file
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@ -0,0 +1,99 @@
/*
* Copyright 2014 Hannes Janetzek
* Copyright 2016 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 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.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 AtlasMarkerOverlayActivity extends MarkerOverlayActivity
implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
@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<>();
java.util.Map<Object, TextureRegion> regionsMap = new LinkedHashMap<>();
List<TextureAtlas> atlasList = new ArrayList<>();
inputMap.put("poi", bitmapPoi);
inputMap.put("focus", bitmapFocus);
// 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);
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, getResources().getDisplayMetrics().density));
}
}

6
vtm-android-example/src/org/oscim/android/test/MarkerOverlayActivity.java
View File

@ -43,8 +43,8 @@ import static org.oscim.tiling.source.bitmap.DefaultSources.STAMEN_TONER;
public class MarkerOverlayActivity extends BitmapTileMapActivity
implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
private static final boolean BILLBOARDS = true;
private MarkerSymbol mFocusMarker;
protected static final boolean BILLBOARDS = true;
protected MarkerSymbol mFocusMarker;
public MarkerOverlayActivity() {
super(STAMEN_TONER.build());
@ -122,7 +122,7 @@ public class MarkerOverlayActivity extends BitmapTileMapActivity
return true;
}
class MapEventsReceiver extends Layer implements GestureListener {
protected class MapEventsReceiver extends Layer implements GestureListener {
MapEventsReceiver(Map map) {
super(map);

1
vtm-android-example/src/org/oscim/android/test/Samples.java
View File

@ -50,6 +50,7 @@ public class Samples extends Activity {
linearLayout.addView(createLabel("Overlays"));
linearLayout.addView(createButton(MarkerOverlayActivity.class));
linearLayout.addView(createButton(AtlasMarkerOverlayActivity.class));
linearLayout.addView(createButton(PathOverlayActivity.class));
linearLayout.addView(createButton(LineTexActivity.class));
linearLayout.addView(createButton(VectorLayerMapActivity.class));

94
vtm-playground/src/org/oscim/test/AtlasMarkerLayerTest.java Normal file
View File

@ -0,0 +1,94 @@
/*
* Copyright 2016 devemux86
* Copyright 2017 Longri
*
* 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.renderer.atlas.TextureAtlas;
import org.oscim.renderer.atlas.TextureRegion;
import org.oscim.tiling.source.bitmap.DefaultSources;
import org.oscim.utils.TextureAtlasUtils;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import static org.oscim.layers.marker.MarkerSymbol.HotspotPlace;
public class AtlasMarkerLayerTest extends MarkerLayerTest implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
@Override
public void createLayers() {
BitmapTileLayer bitmapLayer = new BitmapTileLayer(mMap, DefaultSources.STAMEN_TONER.build());
bitmapLayer.tileRenderer().setBitmapAlpha(0.5f);
mMap.setBaseMap(bitmapLayer);
// Map events receiver
mMap.layers().add(new MapEventsReceiver(mMap));
mMap.setMapPosition(0, 0, 1 << 2);
Bitmap bitmapPoi = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_poi.png"));
Bitmap bitmapFocus = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_focus.png"));
// 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<>();
inputMap.put("poi", bitmapPoi);
inputMap.put("focus", bitmapFocus);
// 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);
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));
}
public static void main(String[] args) {
GdxMapApp.init();
GdxMapApp.run(new AtlasMarkerLayerTest());
}
}

6
vtm-playground/src/org/oscim/test/MarkerLayerTest.java
View File

@ -37,8 +37,8 @@ import static org.oscim.layers.marker.MarkerSymbol.HotspotPlace;
public class MarkerLayerTest extends GdxMapApp implements ItemizedLayer.OnItemGestureListener<MarkerItem> {
private static final boolean BILLBOARDS = true;
private MarkerSymbol mFocusMarker;
protected static final boolean BILLBOARDS = true;
protected MarkerSymbol mFocusMarker;
@Override
public void createLayers() {
@ -104,7 +104,7 @@ public class MarkerLayerTest extends GdxMapApp implements ItemizedLayer.OnItemGe
GdxMapApp.run(new MarkerLayerTest());
}
private class MapEventsReceiver extends Layer implements GestureListener {
protected class MapEventsReceiver extends Layer implements GestureListener {
MapEventsReceiver(Map map) {
super(map);