/osmdroid-third-party/src/main/java/org/osmdroid/google/wrapper/v2/Projection.java

 1package org.osmdroid.google.wrapper.v2;
 2
 3import com.google.android.gms.maps.model.LatLng;
 4import com.google.android.gms.maps.model.LatLngBounds;
 5import org.osmdroid.api.IGeoPoint;
 6import org.osmdroid.api.IProjection;
 7
 8import android.graphics.Point;
 9
10public class Projection implements IProjection {
11
12	private final com.google.android.gms.maps.Projection mProjection;
13
14	private final Point mPoint = new Point();
15
16	public Projection(final com.google.android.gms.maps.Projection aProjection) {
17		mProjection = aProjection;
18	}
19
20	@Override
21	public Point toPixels(final IGeoPoint in, final Point out) {
22		final LatLng latLng = new LatLng(in.getLatitude(), in.getLongitude());
23		final Point point = mProjection.toScreenLocation(latLng);
24		if (out != null) {
25			out.x = point.x;
26			out.y = point.y;
27		}
28		return point;
29	}
30
31	@Override
32	public IGeoPoint fromPixels(final int x, final int y) {
33		mPoint.x = x;
34		mPoint.y = y;
35		final LatLng latLng = mProjection.fromScreenLocation(mPoint);
36		return new GeoPoint(latLng);
37	}
38
39	@Override
40	public float metersToEquatorPixels(final float meters) {
41		return 0; // TODO implement this
42	}
43
44	@Override
45	public IGeoPoint getNorthEast() {
46		final LatLngBounds bounds = mProjection.getVisibleRegion().latLngBounds;
47		return new GeoPoint(bounds.northeast);
48	}
49
50	@Override
51	public IGeoPoint getSouthWest() {
52		final LatLngBounds bounds = mProjection.getVisibleRegion().latLngBounds;
53		return new GeoPoint(bounds.southwest);
54	}
55}