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added drawing api

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add GeomBuilder, needs Jts

drawing_api: squashed

drawing_api: use JtsDrawable baseclass

- add makeCircle for testing

drawing_api: cleanups

drawing_api: refactor

drawing_api: use SpatialIndex

drawing_api: optimization + cleanup

drawing_api: VectorLayer

- use VectorLayer for PathLayer

drawing_api: make style builder more consistent with theme api

drawing_api: wip
This commit is contained in:
Hannes Janetzek
2015-06-17 23:21:57 +02:00
parent 3402308ced
commit b174f65122
24 changed files with 1967 additions and 349 deletions
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89
vtm-android-example/src/org/oscim/android/test/PathOverlayActivity.java
View File

@@ -16,32 +16,52 @@
*/
package org.oscim.android.test;
import static org.oscim.tiling.source.bitmap.DefaultSources.STAMEN_TONER;
import java.util.ArrayList;
import java.util.List;
import org.oscim.backend.canvas.Color;
import org.oscim.core.GeoPoint;
import org.oscim.core.MapPosition;
import org.oscim.event.Event;
import org.oscim.layers.PathLayer;
import org.oscim.map.Map.UpdateListener;
import android.os.Bundle;
import android.os.SystemClock;
/**
* This is a very INEFFICIENT and somewhat less usefull example for how to use
* PathLayers!
*/
public class PathOverlayActivity extends BitmapTileMapActivity {
public PathOverlayActivity() {
super(STAMEN_TONER.build());
//super(STAMEN_TONER.build());
super(null);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mBitmapLayer.tileRenderer().setBitmapAlpha(0.5f);
//mBitmapLayer.tileRenderer().setBitmapAlpha(0.5f);
createLayers(1, true);
mMap.setMapPosition(0, 0, 1 << 2);
for (double lat = -90; lat <= 90; lat += 5) {
int c = Color.fade(Color.rainbow((float) (lat + 90) / 180), 0.5f);
PathLayer pathLayer = new PathLayer(mMap, c, 6);
mMap.layers().add(pathLayer);
mPathLayers.add(pathLayer);
}
looooop();
mMap.events.bind(new UpdateListener() {
@Override
public void onMapEvent(Event e, MapPosition mapPosition) {
//if (e == Map.UPDATE_EVENT) {
long t = System.currentTimeMillis();
float pos = t % 20000 / 10000f - 1f;
createLayers(pos);
mMap.updateMap(true);
//}
}
});
}
@Override
@@ -52,40 +72,18 @@ public class PathOverlayActivity extends BitmapTileMapActivity {
mMapView.onResume();
}
void looooop() {
mMap.postDelayed(new Runnable() {
@Override
public void run() {
long t = SystemClock.uptimeMillis();
float pos = t % 20000 / 10000f - 1f;
createLayers(pos, false);
//Samples.log.debug("update took" + (SystemClock.uptimeMillis() - t) + " " + pos);
looooop();
redraw();
}
}, 50);
}
void redraw() {
mMap.render();
}
ArrayList<PathLayer> mPathLayers = new ArrayList<PathLayer>();
void createLayers(float pos, boolean init) {
void createLayers(float pos) {
int i = 0;
for (double lat = -90; lat <= 90; lat += 5) {
List<GeoPoint> pts = new ArrayList<GeoPoint>();
double[] packedCoordinates = new double[360 + 2];
//List<GeoPoint> pts = new ArrayList<GeoPoint>();
int c = 0;
for (double lon = -180; lon <= 180; lon += 2) {
//pts.add(new GeoPoint(lat, lon));
double longitude = lon + (pos * 180);
if (longitude < -180)
longitude += 360;
if (longitude > 180)
longitude -= 360;
double longitude = lon;
double latitude = lat + (pos * 90);
if (latitude < -90)
@@ -95,20 +93,15 @@ public class PathOverlayActivity extends BitmapTileMapActivity {
latitude += Math.sin((Math.abs(pos) * (lon / Math.PI)));
pts.add(new GeoPoint(latitude, longitude));
}
PathLayer pathLayer;
if (init) {
int c = Color.fade(Color.rainbow((float) (lat + 90) / 180), 0.5f);
pathLayer = new PathLayer(mMap, c, 6);
mMap.layers().add(pathLayer);
mPathLayers.add(pathLayer);
} else {
pathLayer = mPathLayers.get(i++);
packedCoordinates[c++] = longitude;
packedCoordinates[c++] = latitude;
}
pathLayer.setPoints(pts);
//LineString line = new LineString(factory.create(packedCoordinates, 2), geomFactory);
//mPathLayers.get(i++).setLineString(line);
mPathLayers.get(i++).setLineString(packedCoordinates);
}
}
}