RouteOverlay.java

/*
 *
 *  * Copyright (C) 2012  Ignacio Gonzalez Sainz
 *  *
 *  * Holy Week Guide: An android application with the itineraries, images and all information of the brotherhoods Spain's holy week
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *  *
 *  * Ignacio Gonzalez Sainz
 *  * Cádiz (Spain)
 *  * ignacio.glez.s@gmail.com
 *  *
 *
 */

package com.ignaciogs.semanasanta.map;

import android.graphics.*;
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 RouteOverlay extends Overlay {
	
	private GeoPoint gp1;
	private GeoPoint gp2;
	private int mRadius=6;
	private int mode=0;
	private int defaultColor;
	private String text="";
	private Bitmap img = null;

	public RouteOverlay(GeoPoint gp1,GeoPoint gp2,int mode) { // GeoPoint is a int. (6E)
	    this.gp1 = gp1;
	    this.gp2 = gp2;
	    this.mode = mode;
	    defaultColor = 999; // no defaultColor
	}

	public RouteOverlay(GeoPoint gp1,GeoPoint gp2,int mode, int defaultColor) {
	    this.gp1 = gp1;
	    this.gp2 = gp2;
	    this.mode = mode;
	    this.defaultColor = defaultColor;
	}

	public void setText(String t) {
	    this.text = t;
	}

	public void setBitmap(Bitmap bitmap) { 
	    this.img = bitmap;
	}

	public int getMode() {
	    return mode;
	}

	@Override
	public boolean draw (Canvas canvas, MapView mapView, boolean shadow, long when) {
	    Projection projection = mapView.getProjection();
	    if (shadow == false) {
	        Paint paint = new Paint();
	        paint.setAntiAlias(true);
	        Point point = new Point();
	        projection.toPixels(gp1, point);
	        // mode=1：start
	        if(mode==1) {
	            if(defaultColor==999)
	            paint.setColor(Color.BLACK); // Color.BLUE
	            else
	            paint.setColor(defaultColor);
	            RectF oval=new RectF(point.x - mRadius, point.y - mRadius,
	            point.x + mRadius, point.y + mRadius);
	            // start point
	            canvas.drawOval(oval, paint);
	        }
	        // mode=2：path
	        else if(mode==2) {
	            if(defaultColor==999)
	            paint.setColor(Color.RED);
	            else
	            paint.setColor(defaultColor);
	            Point point2 = new Point();
	            projection.toPixels(gp2, point2);
	            paint.setStrokeWidth(5);
	            paint.setAlpha(defaultColor==Color.parseColor("#6C8715")?220:120);
	            canvas.drawLine(point.x, point.y, point2.x,point2.y, paint);
	        }
	        /* mode=3：end */
	        else if(mode==3) {
	            /* the last path */

	            if(defaultColor==999)
	                paint.setColor(Color.BLACK);  // Color.GREEN
	            else
	                paint.setColor(defaultColor);

	            Point point2 = new Point();
	            projection.toPixels(gp2, point2);
	            paint.setStrokeWidth(5);
	            paint.setAlpha(defaultColor==Color.parseColor("#6C8715")?220:120);
	            canvas.drawLine(point.x, point.y, point2.x,point2.y, paint);
	            RectF oval=new RectF(point2.x - mRadius,point2.y - mRadius,
	            point2.x + mRadius,point2.y + mRadius);
	            /* end point */
	            paint.setAlpha(255);
	            canvas.drawOval(oval, paint);
	        }
	    }
	    return super.draw(canvas, mapView, shadow, when);
	}

}