/*
* Copyright (C) 2010- Peer internet solutions
*
* This file is part of mixare.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>
*/
package org.mixare;
import org.mixare.LocalMarker;
import org.mixare.lib.MixUtils;
import org.mixare.lib.gui.PaintScreen;
import android.graphics.Path;
import android.location.Location;
/**
*
* A NavigationMarker is displayed as an arrow at the bottom of the screen.
* It indicates directions using the OpenStreetMap as type.
*
* @author hannes
*
*/
public class NavigationMarker extends LocalMarker {
public static final int MAX_OBJECTS=10;
public NavigationMarker(String id, String title, double latitude, double longitude,
double altitude, String URL, int type, int color) {
super(id, title, latitude, longitude, altitude, URL, type, color);
}
@Override
public void update(Location curGPSFix) {
super.update(curGPSFix);
// we want the navigation markers to be on the lower part of
// your surrounding sphere so we set the height component of
// the position vector radius/2 (in meter) below the user
locationVector.y-=MixView.getDataView().getRadius()*500f;
//locationVector.y+=-1000;
}
@Override
public void draw(PaintScreen dw) {
drawArrow(dw);
drawTextBlock(dw);
}
public void drawArrow(PaintScreen dw) {
if (isVisible) {
float currentAngle = MixUtils.getAngle(cMarker.x, cMarker.y, signMarker.x, signMarker.y);
float maxHeight = Math.round(dw.getHeight() / 10f) + 1;
//dw.setColor(DataSource.getColor(type));
dw.setStrokeWidth(maxHeight / 10f);
dw.setFill(false);
Path arrow = new Path();
float radius = maxHeight / 1.5f;
float x=0;
float y=0;
arrow.moveTo(x-radius/3, y+radius);
arrow.lineTo(x+radius/3, y+radius);
arrow.lineTo(x+radius/3, y);
arrow.lineTo(x+radius, y);
arrow.lineTo(x, y-radius);
arrow.lineTo(x-radius, y);
arrow.lineTo(x-radius/3,y);
arrow.close();
dw.paintPath(arrow,cMarker.x,cMarker.y,radius*2,radius*2,currentAngle+90,1);
}
}
@Override
public int getMaxObjects() {
return MAX_OBJECTS;
}
}