GreenDotOverlay.java :  » Chat-Messenger » geochat-android » org » instedd » geochat » map » Android Open Source

package org.instedd.geochat.map;

import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.Paint.Style;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.Projection;

public class GreenDotOverlay extends Overlay {
  
  private final static Paint greenPaint;
  private final static Paint darkGreenPaint;
  private final GeoPoint geoPoint;
  
  public GreenDotOverlay(GeoPoint geoPoint) {
    this.geoPoint = geoPoint;
  }
  
  @Override
  public void draw(Canvas canvas, MapView mapView, boolean shadow) {
    Projection projection = mapView.getProjection();
    
    Point point = projection.toPixels(geoPoint, null);
    drawCirlce(canvas, point);
  }
  
  private static void drawCirlce(Canvas canvas, Point point) {
    canvas.drawCircle(point.x, point.y, 3, darkGreenPaint);
    canvas.drawCircle(point.x, point.y, 2, greenPaint);
  }
  
  static {
    greenPaint = new Paint();
    greenPaint.setARGB(255, 0, 255, 0);
    greenPaint.setStyle(Style.FILL);
    
    darkGreenPaint= new Paint();
    darkGreenPaint.setARGB(255, 0, 64, 0);
  }

}