gwt: add vtm-web-js project

vtm-web-js/src/org/oscim/web/client/GwtLauncher.java

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+/*
+ * 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.core.Tile;
+import org.timepedia.exporter.client.ExporterUtil;
+
+import com.badlogic.gdx.ApplicationListener;
+import com.badlogic.gdx.backends.gwt.GwtApplication;
+import com.badlogic.gdx.backends.gwt.GwtApplicationConfiguration;
+import com.badlogic.gdx.backends.gwt.preloader.Preloader.PreloaderCallback;
+import com.badlogic.gdx.backends.gwt.preloader.Preloader.PreloaderState;
+
+public class GwtLauncher extends GwtApplication {
+
+	@Override
+	public void onModuleLoad() {
+		//GWT.create(GwtGdxMap.class);
+		//JsOverlays.init();
+		ExporterUtil.exportAll();
+
+		super.onModuleLoad();
+	}
+
+	@Override
+	public GwtApplicationConfiguration getConfig() {
+
+		GwtApplicationConfiguration cfg =
+		        new GwtApplicationConfiguration(getWindowWidth(),
+		                                        getWindowHeight());
+
+		cfg.canvasId = "map-canvas";
+		cfg.stencil = true;
+		cfg.fps = 120;
+
+		return cfg;
+	}
+
+	@Override
+	public ApplicationListener getApplicationListener() {
+		Tile.SIZE = MapConfig.get().getTileSize();
+
+		return new GwtMap();
+	}
+
+	@Override
+	public PreloaderCallback getPreloaderCallback() {
+		return new PreloaderCallback() {
+
+			@Override
+			public void update(PreloaderState state) {
+			}
+
+			@Override
+			public void error(String file) {
+				//log.debug("error loading " + file);
+			}
+		};
+	}
+
+	private static native int getWindowWidth() /*-{
+		return $wnd.innerWidth;
+	}-*/;
+
+	private static native int getWindowHeight() /*-{
+		return $wnd.innerHeight;
+	}-*/;
+
+}

vtm-web-js/src/org/oscim/web/client/GwtMap.java

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+/*
+ * 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.GL20;
+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.UrlUpdater;
+import org.oscim.renderer.MapRenderer;
+import org.oscim.web.js.JsMap;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.backends.gwt.GwtApplication;
+import com.google.gwt.user.client.Window;
+
+public class GwtMap extends GdxMap {
+	static final Logger log = LoggerFactory.getLogger(GwtMap.class);
+
+	@Override
+	public void create() {
+
+		GwtGdxGraphics.init();
+		GdxAssets.init("");
+		CanvasAdapter.textScale = 0.7f;
+		GLAdapter.init((GL20) Gdx.graphics.getGL20());
+		GLAdapter.GDX_WEBGL_QUIRKS = true;
+		MapRenderer.setBackgroundColor(0xffffff);
+
+		JsMap.init(mMap);
+
+		// 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;
+
+		MapConfig c = MapConfig.get();
+		super.create();
+
+		double lat = c.getLatitude();
+		double lon = c.getLongitude();
+		int zoom = c.getZoom();
+
+		float tilt = 0;
+		float rotation = 0;
+
+		if (Window.Location.getHash() != null) {
+			String hash = Window.Location.getHash();
+
+			hash = hash.substring(1);
+			String[] pairs = hash.split(",");
+
+			for (String p : pairs) {
+				try {
+					if (p.startsWith("lat="))
+						lat = Double.parseDouble(p.substring(4));
+					else if (p.startsWith("lon="))
+						lon = Double.parseDouble(p.substring(4));
+					else if (p.startsWith("scale="))
+						zoom = Integer.parseInt(p.substring(6));
+					else if (p.startsWith("rot="))
+						rotation = Float.parseFloat(p.substring(4));
+					else if (p.startsWith("tilt="))
+						tilt = Float.parseFloat(p.substring(5));
+				} catch (NumberFormatException e) {
+
+				}
+			}
+		}
+		MapPosition p = new MapPosition();
+		p.setZoomLevel(zoom);
+		p.setPosition(lat, lon);
+		p.bearing = rotation;
+		p.tilt = tilt;
+		mMap.setMapPosition(p);
+
+		UrlUpdater urlUpdater = new UrlUpdater(mMap);
+		urlUpdater.scheduleRepeating(4000);
+	}
+
+	private final native void createLayersN()/*-{
+		$wnd.createLayers();
+	}-*/;
+
+	@Override
+	protected void createLayers() {
+		log.debug("<<< create layers >>>");
+		createLayersN();
+	}
+}

vtm-web-js/src/org/oscim/web/client/MapConfig.java

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+/*
+ * 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 com.google.gwt.core.client.JavaScriptObject;
+
+class MapConfig extends JavaScriptObject {
+	protected MapConfig() {
+	}
+
+	public static native MapConfig get()/*-{
+		return $wnd.mapconfig;
+	}-*/;
+
+	public final native double getLatitude() /*-{
+		return this.latitude;
+	}-*/;
+
+	public final native double getLongitude() /*-{
+		return this.longitude;
+	}-*/;
+
+	public final native int getZoom() /*-{
+		return this.zoom;
+	}-*/;
+
+	public final native String getTileSource() /*-{
+		return this.tilesource;
+	}-*/;
+
+	public final native String getTileUrl() /*-{
+		return this.tileurl;
+	}-*/;
+
+	public final native String getBackgroundLayer() /*-{
+		return this.background;
+	}-*/;
+
+	public final native int getTileSize() /*-{
+		return this.tileSize || 256;
+	}-*/;
+
+}