package org.osmdroid.google.wrapper.v2;



import com.google.android.gms.maps.model.LatLng;

import com.google.android.gms.maps.model.LatLngBounds;

import org.osmdroid.api.IGeoPoint;

import org.osmdroid.api.IProjection;



import android.graphics.Point;



public class Projection implements IProjection {



	private final com.google.android.gms.maps.Projection mProjection;



	private final Point mPoint = new Point();



	public Projection(final com.google.android.gms.maps.Projection aProjection) {

		mProjection = aProjection;

	}



	@Override

	public Point toPixels(final IGeoPoint in, final Point out) {

		final LatLng latLng = new LatLng(in.getLatitude(), in.getLongitude());

		final Point point = mProjection.toScreenLocation(latLng);

		if (out != null) {

			out.x = point.x;

			out.y = point.y;

		}

		return point;

	}



	@Override

	public IGeoPoint fromPixels(final int x, final int y) {

		mPoint.x = x;

		mPoint.y = y;

		final LatLng latLng = mProjection.fromScreenLocation(mPoint);

		return new GeoPoint(latLng);

	}



	@Override

	public float metersToEquatorPixels(final float meters) {

		return 0; // TODO implement this

	}



	@Override

	public IGeoPoint getNorthEast() {

		final LatLngBounds bounds = mProjection.getVisibleRegion().latLngBounds;

		return new GeoPoint(bounds.northeast);

	}



	@Override

	public IGeoPoint getSouthWest() {

		final LatLngBounds bounds = mProjection.getVisibleRegion().latLngBounds;

		return new GeoPoint(bounds.southwest);

	}

}