GwtMap.java

/*
 * Copyright 2013 Hannes Janetzek
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
 * This program is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.oscim.web.client;

import org.oscim.backend.CanvasAdapter;
import org.oscim.backend.GL;
import org.oscim.backend.GLAdapter;
import org.oscim.core.MapPosition;
import org.oscim.gdx.GdxAssets;
import org.oscim.gdx.GdxMap;
import org.oscim.gdx.client.GwtGdxGraphics;
import org.oscim.gdx.client.MapConfig;
import org.oscim.gdx.client.MapUrl;
import org.oscim.layers.tile.bitmap.BitmapTileLayer;
import org.oscim.layers.tile.buildings.BuildingLayer;
import org.oscim.layers.tile.buildings.S3DBLayer;
import org.oscim.layers.tile.vector.VectorTileLayer;
import org.oscim.layers.tile.vector.labeling.LabelLayer;
import org.oscim.renderer.MapRenderer;
import org.oscim.theme.VtmThemes;
import org.oscim.tiling.TileSource;
import org.oscim.tiling.source.bitmap.BitmapTileSource;
import org.oscim.tiling.source.bitmap.DefaultSources;
import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.backends.gwt.GwtApplication;

class GwtMap extends GdxMap {
	static final Logger log = LoggerFactory.getLogger(GwtMap.class);

	SearchBox mSearchBox;

	@Override
	public void create() {
		MapConfig c = MapConfig.get();

		// stroke text takes about 70% cpu time in firefox:
		// https://bug568526.bugzilla.mozilla.org/attachment.cgi?id=447932
		// <- circle/stroke test 800ms firefox, 80ms chromium..
		// TODO use texture atlas to avoid drawing text-textures
		if (GwtApplication.agentInfo().isLinux() &&
		        GwtApplication.agentInfo().isFirefox())
			GwtGdxGraphics.NO_STROKE_TEXT = true;

		GwtGdxGraphics.init();
		GdxAssets.init("");
		CanvasAdapter.textScale = 0.7f;

		GLAdapter.init((GL) Gdx.graphics.getGL20());
		GLAdapter.GDX_WEBGL_QUIRKS = true;
		MapRenderer.setBackgroundColor(0xffffff);
		//Gdx.app.setLogLevel(Application.LOG_DEBUG);

		super.create();

		MapPosition p = new MapPosition();
		p.setZoomLevel(c.getZoom());
		p.setPosition(c.getLatitude(), c.getLongitude());

		MapUrl mapUrl = new MapUrl(mMap);
		mapUrl.parseUrl(p);
		mapUrl.scheduleRepeating(5000);

		mMap.setMapPosition(p);

		String mapName = mapUrl.getParam("map");
		String themeName = mapUrl.getParam("theme");

		VectorTileLayer l = null;

		if (mapName != null) {
			BitmapTileSource ts;

			if ("toner".equals(mapName))
				ts = DefaultSources.STAMEN_TONER.build();
			else if ("osm".equals(mapName))
				ts = DefaultSources.OPENSTREETMAP.build();
			else if ("watercolor".equals(mapName))
				ts = DefaultSources.STAMEN_WATERCOLOR.build();
			else if ("arcgis-shaded".equals(mapName))
				ts = DefaultSources.ARCGIS_RELIEF.build();
			else if ("imagico".equals(mapName))
				ts = DefaultSources.IMAGICO_LANDCOVER.build();
			else
				ts = DefaultSources.STAMEN_TONER.build();

			mMap.setBaseMap(new BitmapTileLayer(mMap, ts));
		} else {
			TileSource ts = new OSciMap4TileSource();
			l = mMap.setBaseMap(ts);

			if (themeName == null) {
				mMap.setTheme(VtmThemes.DEFAULT);
			} else {
				if ("osmarender".equals(themeName))
					mMap.setTheme(VtmThemes.OSMARENDER);
				else if ("tron".equals(themeName))
					mMap.setTheme(VtmThemes.TRONRENDER);
				else if ("newtron".equals(themeName))
					mMap.setTheme(VtmThemes.NEWTRON);
				else
					mMap.setTheme(VtmThemes.DEFAULT);
			}
		}

		boolean s3db = mapUrl.params.containsKey("s3db");
		if (s3db) {
			TileSource ts = OSciMap4TileSource.builder()
			    .url("http://opensciencemap.org/tiles/s3db")
			    .zoomMin(16)
			    .zoomMax(16)
			    .build();
			mMap.layers().add(new S3DBLayer(mMap, ts));
		}
		if (l != null) {
			boolean nolabels = mapUrl.params.containsKey("nolabels");
			boolean nobuildings = mapUrl.params.containsKey("nobuildings");

			if (!nobuildings && !s3db)
				mMap.layers().add(new BuildingLayer(mMap, l));

			if (!nolabels)
				mMap.layers().add(new LabelLayer(mMap, l));
		}

		mSearchBox = new SearchBox(mMap);

	}

	@Override
	protected void createLayers() {
	}
}