cleanups

src/org/mapsforge/android/DebugSettings.java

@@ -14,13 +14,10 @@
  */
 package org.mapsforge.android;
 
-import java.io.Serializable;
-
 /**
  * A simple DTO to stores flags for debugging rendered map tiles.
  */
-public class DebugSettings implements Serializable {
-	private static final long serialVersionUID = 1L;
+public class DebugSettings {
 
 	/**
 	 * True if drawing of tile coordinates is enabled, false otherwise.
@@ -47,7 +44,8 @@ public class DebugSettings implements Serializable {
 	 * @param disablePolygons
 	 *            if highlighting of water tiles is enabled.
 	 */
-	public DebugSettings(boolean drawTileCoordinates, boolean drawTileFrames, boolean disablePolygons) {
+	public DebugSettings(boolean drawTileCoordinates, boolean drawTileFrames,
+			boolean disablePolygons) {
 		mDrawTileCoordinates = drawTileCoordinates;
 		mDrawTileFrames = drawTileFrames;
 		mDisablePolygons = disablePolygons;

src/org/mapsforge/android/MapActivity.java

@@ -14,7 +14,6 @@
  */
 package org.mapsforge.android;
 
-import org.mapsforge.android.mapgenerator.MapGenerator;
 import org.mapsforge.core.GeoPoint;
 import org.mapsforge.core.MapPosition;
 
@@ -64,10 +63,7 @@ public abstract class MapActivity extends Activity {
 				MODE_PRIVATE);
 		if (containsMapViewPosition(sharedPreferences)) {
 
-			MapGenerator mapGenerator = mapView.getMapGenerator();
-
-			if (!mapGenerator.requiresInternetConnection()
-					&& sharedPreferences.contains(KEY_MAP_FILE)) {
+			if (sharedPreferences.contains(KEY_MAP_FILE)) {
 				// get and set the map file
 				mapView.setMapFile(sharedPreferences.getString(KEY_MAP_FILE, null));
 			}
@@ -106,8 +102,7 @@ public abstract class MapActivity extends Activity {
 			editor.putInt(KEY_ZOOM_LEVEL, mapPosition.zoomLevel);
 		}
 
-		if (!mMapView.getMapGenerator().requiresInternetConnection()
-				&& mMapView.getMapFile() != null) {
+		if (mMapView.getMapFile() != null) {
 			// save the map file
 			editor.putString(KEY_MAP_FILE, mMapView.getMapFile());
 		}

src/org/mapsforge/android/MapView.java

@@ -17,13 +17,13 @@ package org.mapsforge.android;
 import java.io.File;
 import java.io.FileNotFoundException;
 
-import org.mapsforge.android.inputhandling.TouchHandler;
+import org.mapsforge.android.input.TouchHandler;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 import org.mapsforge.android.mapgenerator.JobParameters;
 import org.mapsforge.android.mapgenerator.JobQueue;
 import org.mapsforge.android.mapgenerator.JobTheme;
 import org.mapsforge.android.mapgenerator.MapDatabaseFactory;
 import org.mapsforge.android.mapgenerator.MapDatabaseInternal;
-import org.mapsforge.android.mapgenerator.MapGenerator;
 import org.mapsforge.android.mapgenerator.MapGeneratorFactory;
 import org.mapsforge.android.mapgenerator.MapGeneratorInternal;
 import org.mapsforge.android.mapgenerator.MapWorker;
@@ -49,7 +49,8 @@ import android.view.MotionEvent;
  * <p>
  * This implementation supports offline map rendering as well as downloading map images (tiles) over an Internet
  * connection. The operation mode of a MapView can be set in the constructor and changed at runtime with the
- * {@link #setMapGeneratorInternal(MapGenerator)} method. Some MapView parameters depend on the selected operation mode.
+ * {@link #setMapGeneratorInternal(IMapGenerator)} method. Some MapView parameters depend on the selected operation
+ * mode.
  * <p>
  * In offline rendering mode a special database file is required which contains the map data. Map files can be stored in
  * any folder. The current map file is set by calling {@link #setMapFile(String)}. To retrieve the current
@@ -79,7 +80,7 @@ public class MapView extends GLSurfaceView {
 	private final TouchHandler mTouchEventHandler;
 
 	private IMapDatabase mMapDatabase;
-	private MapGenerator mMapGenerator;
+	private IMapGenerator mMapGenerator;
 	private MapRenderer mMapRenderer;
 	private JobQueue mJobQueue;
 	private MapWorker mMapWorker;
@@ -121,13 +122,13 @@ public class MapView extends GLSurfaceView {
 	 * @throws IllegalArgumentException
 	 *             if the context object is not an instance of {@link MapActivity} .
 	 */
-	public MapView(Context context, MapGenerator mapGenerator) {
+	public MapView(Context context, IMapGenerator mapGenerator) {
 		this(context, null, mapGenerator, MapDatabaseFactory
 				.createMapDatabase(MapDatabaseInternal.MAP_READER));
 	}
 
 	private MapView(Context context, AttributeSet attributeSet,
-			MapGenerator mapGenerator, IMapDatabase mapDatabase) {
+			IMapGenerator mapGenerator, IMapDatabase mapDatabase) {
 
 		super(context, attributeSet);
 
@@ -147,9 +148,8 @@ public class MapView extends GLSurfaceView {
 		mMapController = new MapController(this);
 
 		// mMapDatabase = MapDatabaseFactory.createMapDatabase(MapDatabaseInternal.POSTGIS_READER);
+		// mMapDatabase = MapDatabaseFactory.createMapDatabase(MapDatabaseInternal.JSON_READER);
 		mMapDatabase = mapDatabase;
-		// MapDatabaseFactory
-		// .createMapDatabase(MapDatabaseInternal.MAP_READER);
 
 		mMapViewPosition = new MapViewPosition(this);
 		mMapScaleBar = new MapScaleBar(this);
@@ -212,32 +212,22 @@ public class MapView extends GLSurfaceView {
 
 	/**
 	 * @return the map database which is used for reading map files.
-	 * @throws UnsupportedOperationException
-	 *             if the current MapGenerator works with an Internet connection.
 	 */
 	public IMapDatabase getMapDatabase() {
-		if (mMapGenerator.requiresInternetConnection()) {
-			throw new UnsupportedOperationException();
-		}
 		return mMapDatabase;
 	}
 
 	/**
 	 * @return the currently used map file.
-	 * @throws UnsupportedOperationException
-	 *             if the current MapGenerator mode works with an Internet connection.
 	 */
 	public String getMapFile() {
-		if (mMapGenerator.requiresInternetConnection()) {
-			throw new UnsupportedOperationException();
-		}
 		return mMapFile;
 	}
 
 	/**
 	 * @return the currently used MapGenerator (may be null).
 	 */
-	public MapGenerator getMapGenerator() {
+	public IMapGenerator getMapGenerator() {
 		return mMapGenerator;
 	}
 
@@ -359,24 +349,12 @@ public class MapView extends GLSurfaceView {
 	 * @param mapFile
 	 *            the path to the map file.
 	 * @return true if the map file was set correctly, false otherwise.
-	 * @throws UnsupportedOperationException
-	 *             if the current MapGenerator mode works with an Internet connection.
 	 */
 	public boolean setMapFile(String mapFile) {
 		FileOpenResult fileOpenResult = null;
 
-		if (mMapGenerator.requiresInternetConnection()) {
-			throw new UnsupportedOperationException();
-		}
 		Log.d(TAG, "set mapfile " + mapFile);
-		// if (mapFile == null) {
-		// if (mMapDatabase instanceof org.mapsforge.database.postgis.MapDatabase) {
-		// fileOpenResult = mMapDatabase.openFile(null);
-		// } else {
-		// // no map file specified
-		// return false;
-		// }
-		// } else
+
 		if (mapFile != null && mapFile.equals(mMapFile)) {
 			// same map file as before
 			return false;
@@ -419,9 +397,10 @@ public class MapView extends GLSurfaceView {
 			Log.d(TAG, "mapfile set");
 			return true;
 		}
+
 		mMapFile = null;
-		// clearAndRedrawMapView();
 		Log.d(TAG, "loading mapfile failed");
+
 		return false;
 	}
 
@@ -431,7 +410,7 @@ public class MapView extends GLSurfaceView {
 	 * @param mapGenerator
 	 *            the new MapGenerator.
 	 */
-	public void setMapGenerator(MapGenerator mapGenerator) {
+	public void setMapGenerator(IMapGenerator mapGenerator) {
 
 		if (mMapGenerator != mapGenerator) {
 			setMapGeneratorInternal(mapGenerator);
@@ -440,7 +419,7 @@ public class MapView extends GLSurfaceView {
 		}
 	}
 
-	private void setMapGeneratorInternal(MapGenerator mapGenerator) {
+	private void setMapGeneratorInternal(IMapGenerator mapGenerator) {
 		if (mapGenerator == null) {
 			throw new IllegalArgumentException("mapGenerator must not be null");
 		}
@@ -504,15 +483,12 @@ public class MapView extends GLSurfaceView {
 	 *            the internal rendering theme.
 	 * @throws IllegalArgumentException
 	 *             if the supplied internalRenderTheme is null.
-	 * @throws UnsupportedOperationException
-	 *             if the current MapGenerator does not support render themes.
 	 */
 	public void setRenderTheme(InternalRenderTheme internalRenderTheme) {
 		if (internalRenderTheme == null) {
 			throw new IllegalArgumentException("render theme must not be null");
-		} else if (mMapGenerator.requiresInternetConnection()) {
-			throw new UnsupportedOperationException();
 		}
+
 		Log.d(TAG, "set rendertheme " + internalRenderTheme);
 		mJobParameters = new JobParameters(internalRenderTheme, mJobParameters.textScale);
 
@@ -526,16 +502,12 @@ public class MapView extends GLSurfaceView {
 	 *            the path to the XML file which defines the rendering theme.
 	 * @throws IllegalArgumentException
 	 *             if the supplied internalRenderTheme is null.
-	 * @throws UnsupportedOperationException
-	 *             if the current MapGenerator does not support render themes.
 	 * @throws FileNotFoundException
 	 *             if the supplied file does not exist, is a directory or cannot be read.
 	 */
 	public void setRenderTheme(String renderThemePath) throws FileNotFoundException {
 		if (renderThemePath == null) {
 			throw new IllegalArgumentException("render theme path must not be null");
-		} else if (mMapGenerator.requiresInternetConnection()) {
-			throw new UnsupportedOperationException();
 		}
 
 		JobTheme jobTheme = new ExternalRenderTheme(renderThemePath);
@@ -650,10 +622,9 @@ public class MapView extends GLSurfaceView {
 	boolean hasValidCenter() {
 		if (!mMapViewPosition.isValid()) {
 			return false;
-		} else if (!mMapGenerator.requiresInternetConnection()
-				&& (!mMapDatabase.hasOpenFile() || !mMapDatabase.getMapFileInfo().boundingBox
-						.contains(getMapPosition()
-								.getMapCenter()))) {
+		} else if (!mMapDatabase.hasOpenFile()
+				|| !mMapDatabase.getMapFileInfo().boundingBox.contains(getMapPosition()
+						.getMapCenter())) {
 			return false;
 		}
 

src/org/mapsforge/android/MapZoomControls.java

@@ -14,7 +14,7 @@
  */
 package org.mapsforge.android;
 
-import org.mapsforge.android.mapgenerator.MapGenerator;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 
 import android.content.Context;
 import android.os.Handler;
@@ -179,7 +179,7 @@ public class MapZoomControls {
 	/**
 	 * Sets the maximum zoom level of the map.
 	 * <p>
-	 * The maximum possible zoom level of the MapView depends also on the current {@link MapGenerator}. For example,
+	 * The maximum possible zoom level of the MapView depends also on the current {@link IMapGenerator}. For example,
 	 * downloading map tiles may only be possible up to a certain zoom level. Setting a higher maximum zoom level has no
 	 * effect in this case.
 	 * 

src/org/mapsforge/android/glrenderer/DatabaseRenderer.java

@@ -21,16 +21,16 @@ import java.util.ArrayList;
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.mapsforge.android.MapView;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 import org.mapsforge.android.mapgenerator.JobTheme;
-import org.mapsforge.android.mapgenerator.MapGenerator;
 import org.mapsforge.android.mapgenerator.MapGeneratorJob;
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderTheme;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.android.rendertheme.renderinstruction.Area;
 import org.mapsforge.android.rendertheme.renderinstruction.Line;
 import org.mapsforge.core.GeoPoint;
-import org.mapsforge.core.SphericalMercator;
+import org.mapsforge.core.WebMercator;
 import org.mapsforge.core.Tag;
 import org.mapsforge.core.Tile;
 import org.mapsforge.database.IMapDatabase;
@@ -46,7 +46,7 @@ import android.util.Log;
 /**
  * 
  */
-public class DatabaseRenderer implements MapGenerator, RenderCallback,
+public class DatabaseRenderer implements IMapGenerator, IRenderCallback,
 		IMapDatabaseCallback {
 	private static String TAG = DatabaseRenderer.class.getName();
 
@@ -80,6 +80,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback,
 	private int mDrawingLayer;
 	private int mLevels;
 
+	private boolean useSphericalMercator = false;
+
 	/**
 	 * 
 	 */
@@ -420,7 +422,7 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback,
 		if (mMapDatabase != null && mMapDatabase.hasOpenFile()) {
 			MapFileInfo mapFileInfo = mMapDatabase.getMapFileInfo();
 
-			if (SphericalMercator.NAME.equals(mapFileInfo.projectionName)) {
+			if (WebMercator.NAME.equals(mapFileInfo.projectionName)) {
 				Log.d(TAG, "using Spherical Mercator");
 
 				useSphericalMercator = true;
@@ -445,11 +447,6 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback,
 		return ZOOM_MAX;
 	}
 
-	@Override
-	public boolean requiresInternetConnection() {
-		return false;
-	}
-
 	private static boolean setRenderTheme(JobTheme jobTheme) {
 		InputStream inputStream = null;
 		try {
@@ -489,8 +486,6 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback,
 		return new MapRenderer(mapView);
 	}
 
-	private boolean useSphericalMercator = false;
-
 	@Override
 	public void setMapDatabase(IMapDatabase mapDatabase) {
 		mMapDatabase = mapDatabase;

src/org/mapsforge/android/glrenderer/MapRenderer.java

@@ -26,7 +26,7 @@ import javax.microedition.khronos.opengles.GL10;
 import org.mapsforge.android.DebugSettings;
 import org.mapsforge.android.MapView;
 import org.mapsforge.android.mapgenerator.JobParameters;
-import org.mapsforge.android.mapgenerator.MapGenerator;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 import org.mapsforge.android.mapgenerator.MapGeneratorJob;
 import org.mapsforge.android.mapgenerator.MapWorker;
 import org.mapsforge.android.mapgenerator.TileCacheKey;
@@ -316,7 +316,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
 		mJobList.clear();
 		mJobParameter = mMapView.getJobParameters();
 
-		MapGenerator mapGenerator = mMapView.getMapGenerator();
+		IMapGenerator mapGenerator = mMapView.getMapGenerator();
 		int tiles = 0;
 		if (newTiles == null)
 			return false;

src/org/mapsforge/android/glrenderer/MeshLayer.java

@@ -61,14 +61,7 @@ public class MeshLayer extends Layer {
 				curVertices[outPos++] = (float) tri.points[i].getY();
 
 			}
-			// System.out.println("" +
-			// (float) tri.points[0].getX() + "/" + (float) tri.points[0].getY()
-			// + ", " +
-			// (float) tri.points[1].getX() + "/" + (float) tri.points[1].getY()
-			// + ", " +
-			// (float) tri.points[2].getX() + "/" + (float) tri.points[2].getY());
 		}
-		// System.out.println("---");
 		curItem.used = outPos;
 		verticesCnt += poly.getTriangles().size() * 3;
 	}

src/org/mapsforge/android/glrenderer/MeshLayers.java

@@ -34,7 +34,7 @@ public class MeshLayers {
 		size = 0;
 	}
 
-	MeshLayer getLayer(int layer, int color, int fade) {
+	MeshLayer getLayer(int layer, int color) {
 		MeshLayer l = layers.get(layer);
 		if (l != null) {
 			return l;

src/org/mapsforge/android/input/MapMover.java

@@ -12,7 +12,7 @@
  * 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.mapsforge.android.inputhandling;
+package org.mapsforge.android.input;
 
 import org.mapsforge.android.MapView;
 import org.mapsforge.android.utils.PausableThread;

src/org/mapsforge/android/input/ScaleListener.java

@@ -12,7 +12,7 @@
  * 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.mapsforge.android.inputhandling;
+package org.mapsforge.android.input;
 
 import org.mapsforge.android.MapView;
 import org.mapsforge.android.MapViewPosition;
@@ -21,10 +21,14 @@ import android.view.ScaleGestureDetector;
 
 class ScaleListener implements ScaleGestureDetector.OnScaleGestureListener {
 	private final MapView mMapView;
-	private float mFocusX;
-	private float mFocusY;
 	private MapViewPosition mMapPosition;
+	private float mCenterX;
+	private float mCenterY;
+	// private float mFocusX;
+	// private float mFocusY;
+	private float mScale;
 
+	// private boolean mScaling;
 	/**
 	 * Creates a new ScaleListener for the given MapView.
 	 * 
@@ -37,23 +41,46 @@ class ScaleListener implements ScaleGestureDetector.OnScaleGestureListener {
 
 	@Override
 	public boolean onScale(ScaleGestureDetector scaleGestureDetector) {
-		float scaleFactor = scaleGestureDetector.getScaleFactor();
 
-		mMapPosition.scaleMap(scaleFactor, mFocusX, mFocusY);
+		float focusX = scaleGestureDetector.getFocusX();
+		float focusY = scaleGestureDetector.getFocusY();
+		mScale = scaleGestureDetector.getScaleFactor();
+
+		// mMapPosition.moveMap((focusX - mFocusX), (focusY - mFocusY));
+		// if (mScale > 1.001 || mScale < 0.999) {
+
+		mMapPosition.scaleMap(mScale,
+				focusX - mCenterX,
+				focusY - mCenterY);
 		mMapView.redrawTiles();
+		// mScale = 1;
+
+		// mFocusX = focusX;
+		// mFocusY = focusY;
+
+		// }
+		// else if (Math.abs(focusX - mFocusX) > 0.5 || Math.abs(focusY - mFocusY) > 0.5) {
+		// mMapPosition.moveMap((focusX - mFocusX), (focusY - mFocusY));
+		//
+		// mFocusX = focusX;
+		// mFocusY = focusY;
+		// mScale = 1;
+		// mMapView.redrawTiles();
+		// }
 
 		return true;
 	}
 
 	@Override
 	public boolean onScaleBegin(ScaleGestureDetector scaleGestureDetector) {
-		mFocusX = scaleGestureDetector.getFocusX();
-		mFocusY = scaleGestureDetector.getFocusY();
 
-		mFocusX -= ((mMapView.getWidth() >> 1));
-		mFocusY -= ((mMapView.getHeight() >> 1));
+		mCenterX = mMapView.getWidth() >> 1;
+		mCenterY = mMapView.getHeight() >> 1;
+		// mFocusX = scaleGestureDetector.getFocusX();
+		// mFocusY = scaleGestureDetector.getFocusY();
+		mScale = 1;
 		mMapPosition = mMapView.getMapPosition();
-
+		// mScaling = false;
 		return true;
 	}
 

src/org/mapsforge/android/input/TouchHandler.java

@@ -12,7 +12,7 @@
  * 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.mapsforge.android.inputhandling;
+package org.mapsforge.android.input;
 
 import org.mapsforge.android.MapView;
 import org.mapsforge.core.Tile;

src/org/mapsforge/android/input/ZoomAnimator.java

@@ -12,7 +12,7 @@
  * 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.mapsforge.android.inputhandling;
+package org.mapsforge.android.input;
 
 import org.mapsforge.android.MapView;
 import org.mapsforge.android.utils.PausableThread;

src/org/mapsforge/android/mapgenerator/IMapGenerator.java

@@ -22,7 +22,7 @@ import org.mapsforge.database.IMapDatabase;
 /**
  * A MapGenerator provides map tiles either by downloading or rendering them.
  */
-public interface MapGenerator {
+public interface IMapGenerator {
 	/**
 	 * Called once at the end of the MapGenerator lifecycle.
 	 */
@@ -52,11 +52,6 @@ public interface MapGenerator {
 	 */
 	byte getZoomLevelMax();
 
-	/**
-	 * @return true if this MapGenerator requires an Internet connection, false otherwise.
-	 */
-	boolean requiresInternetConnection();
-
 	/**
 	 * @param mapView
 	 *            the MapView

src/org/mapsforge/android/mapgenerator/JobParameters.java

@@ -14,13 +14,10 @@
  */
 package org.mapsforge.android.mapgenerator;
 
-import java.io.Serializable;
-
 /**
  * A JobParameters instance is a simple DTO to store the rendering parameters for a job.
  */
-public class JobParameters implements Serializable {
-	private static final long serialVersionUID = 1L;
+public class JobParameters {
 
 	/**
 	 * The render theme which should be used.

src/org/mapsforge/android/mapgenerator/MapDownloader.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010, 2011, 2012 mapsforge.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.mapsforge.android.mapgenerator;
+
+import org.mapsforge.android.utils.PausableThread;
+
+public class MapDownloader extends PausableThread {
+	private static final String THREAD_NAME = "MapDownloader";
+
+	@Override
+	protected void doWork() {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	protected boolean hasWork() {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+	@Override
+	protected String getThreadName() {
+		return THREAD_NAME;
+	}
+
+	@Override
+	protected int getThreadPriority() {
+		return (Thread.NORM_PRIORITY + Thread.MIN_PRIORITY) / 2;
+	}
+}

src/org/mapsforge/android/mapgenerator/MapGeneratorFactory.java

@@ -27,7 +27,7 @@ public final class MapGeneratorFactory {
 	 *            A collection of attributes which includes the desired MapGenerator.
 	 * @return a new MapGenerator instance.
 	 */
-	public static MapGenerator createMapGenerator(AttributeSet attributeSet) {
+	public static IMapGenerator createMapGenerator(AttributeSet attributeSet) {
 		String mapGeneratorName = attributeSet.getAttributeValue(null, MAP_GENERATOR_ATTRIBUTE_NAME);
 		if (mapGeneratorName == null) {
 			return new org.mapsforge.android.glrenderer.DatabaseRenderer();
@@ -42,7 +42,7 @@ public final class MapGeneratorFactory {
 	 *            the internal MapGenerator implementation.
 	 * @return a new MapGenerator instance.
 	 */
-	public static MapGenerator createMapGenerator(MapGeneratorInternal mapGeneratorInternal) {
+	public static IMapGenerator createMapGenerator(MapGeneratorInternal mapGeneratorInternal) {
 		switch (mapGeneratorInternal) {
 			case SW_RENDERER:
 				return new org.mapsforge.android.swrenderer.DatabaseRenderer();

src/org/mapsforge/android/mapgenerator/MapGeneratorJob.java

@@ -45,7 +45,7 @@ public class MapGeneratorJob implements Comparable<MapGeneratorJob>, Serializabl
 	public final MapTile tile;
 
 	private transient int mHashCodeValue;
-	private final MapGenerator mMapGenerator;
+	private final IMapGenerator mMapGenerator;
 	private transient double mPriority;
 
 	/**
@@ -97,7 +97,7 @@ public class MapGeneratorJob implements Comparable<MapGeneratorJob>, Serializabl
 	 * @param _debugSettings
 	 *            the debug settings for this job.
 	 */
-	public MapGeneratorJob(MapTile _tile, MapGenerator mapGenerator,
+	public MapGeneratorJob(MapTile _tile, IMapGenerator mapGenerator,
 			JobParameters _jobParameters, DebugSettings _debugSettings) {
 		tile = _tile;
 		mMapGenerator = mapGenerator;

src/org/mapsforge/android/mapgenerator/MapWorker.java

@@ -19,14 +19,14 @@ import org.mapsforge.android.MapView;
 import org.mapsforge.android.utils.PausableThread;
 
 /**
- * A MapWorker uses a {@link MapGenerator} to generate map tiles. It runs in a separate thread to avoid blocking the UI
+ * A MapWorker uses a {@link IMapGenerator} to generate map tiles. It runs in a separate thread to avoid blocking the UI
  * thread.
  */
 public class MapWorker extends PausableThread {
 	private static final String THREAD_NAME = "MapWorker";
 
 	private final JobQueue mJobQueue;
-	private MapGenerator mMapGenerator;
+	private IMapGenerator mMapGenerator;
 	private MapRenderer mMapRenderer;
 
 	/**
@@ -42,7 +42,7 @@ public class MapWorker extends PausableThread {
 	 * @param mapGenerator
 	 *            the MapGenerator which this MapWorker should use.
 	 */
-	public void setMapGenerator(MapGenerator mapGenerator) {
+	public void setMapGenerator(IMapGenerator mapGenerator) {
 		mMapGenerator = mapGenerator;
 	}
 

src/org/mapsforge/android/rendertheme/Closed.java

@@ -14,7 +14,7 @@
  */
 package org.mapsforge.android.rendertheme;
 
-class Closed {
+final class Closed {
 	public static final int ANY = 0;
 	public static final int NO = 1;
 	public static final int YES = 2;

src/org/mapsforge/android/rendertheme/Element.java

@@ -14,7 +14,7 @@
  */
 package org.mapsforge.android.rendertheme;
 
-class Element {
+final class Element {
 	public static final int ANY = 0;
 	public static final int NODE = 1;
 	public static final int WAY = 2;

src/org/mapsforge/android/rendertheme/IRenderCallback.java

@@ -23,7 +23,7 @@ import android.graphics.Paint;
 /**
  * Callback methods for rendering areas, ways and points of interest (POIs).
  */
-public interface RenderCallback {
+public interface IRenderCallback {
 	/**
 	 * Renders an area with the given parameters.
 	 * 

src/org/mapsforge/android/rendertheme/RenderTheme.java

@@ -141,7 +141,7 @@ public class RenderTheme {
 	 * @param zoomLevel
 	 *            ...
 	 */
-	public void matchNode(RenderCallback renderCallback, Tag[] tags, byte zoomLevel) {
+	public void matchNode(IRenderCallback renderCallback, Tag[] tags, byte zoomLevel) {
 		// List<RenderInstruction> matchingList = matchingListNode;
 		// MatchingCacheKey matchingCacheKey = matchingCacheKeyNode;
 		//
@@ -214,7 +214,7 @@ public class RenderTheme {
 	 * @param changed
 	 *            ...
 	 */
-	public void matchWay(RenderCallback renderCallback, Tag[] tags, byte zoomLevel,
+	public void matchWay(IRenderCallback renderCallback, Tag[] tags, byte zoomLevel,
 			boolean closed, boolean changed) {
 		RenderInstruction[] renderInstructions = null;
 

src/org/mapsforge/android/rendertheme/Rule.java

@@ -189,7 +189,7 @@ abstract class Rule {
 
 	abstract boolean matchesWay(Tag[] tags, byte zoomLevel, int closed);
 
-	void matchNode(RenderCallback renderCallback, Tag[] tags, byte zoomLevel) {
+	void matchNode(IRenderCallback renderCallback, Tag[] tags, byte zoomLevel) {
 		if (matchesNode(tags, zoomLevel)) {
 			for (int i = 0, n = mRenderInstructionArray.length; i < n; i++)
 				mRenderInstructionArray[i].renderNode(renderCallback, tags);
@@ -200,7 +200,7 @@ abstract class Rule {
 		}
 	}
 
-	void matchWay(RenderCallback renderCallback, Tag[] tags, byte zoomLevel,
+	void matchWay(IRenderCallback renderCallback, Tag[] tags, byte zoomLevel,
 			int closed,
 			List<RenderInstruction> matchingList) {
 

src/org/mapsforge/android/rendertheme/RuleOptimizer.java

@@ -15,10 +15,9 @@
 package org.mapsforge.android.rendertheme;
 
 import java.util.Stack;
-import java.util.logging.Logger;
 
 final class RuleOptimizer {
-	private static final Logger LOG = Logger.getLogger(RuleOptimizer.class.getName());
+	// private static final Logger LOG = Logger.getLogger(RuleOptimizer.class.getName());
 
 	private static AttributeMatcher optimizeKeyMatcher(AttributeMatcher attributeMatcher,
 			Stack<Rule> ruleStack) {

src/org/mapsforge/android/rendertheme/osmarender/osmarender.xml

@@ -9,12 +9,12 @@
 
 		<!-- landuse -->
 		<rule e="way" k="landuse" v="*">
-		    <rule e="way" k="*"  zoom-min="12" v="farmland|farm">
-				<area fill="#fff8bf" fade="12" />
+		    <rule e="way" k="*"  zoom-min="10" v="farmland|farm">
+				<area fill="#fff8bf" fade="10" />
 			</rule>
 			
-			<rule e="way" k="landuse" v="grass">
-				<area fill="#deecb9" fade="12" />
+			<rule e="way" k="landuse" zoom-min="10" v="grass">
+				<area fill="#deecb9" fade="10" />
 			</rule>
 			
 			<rule e="way" k="*"  zoom-min="10" v="residential|farmyard|retail|commercial">
@@ -334,7 +334,7 @@
 			</rule>-->
 			
 			<rule e="way" k="*" v="*" zoom-min="15">
-				<line stroke="#c9c3c1" stroke-width="0.6" fixed="true" stroke-linecap="butt" />
+		  	<line stroke="#c9c3c1" stroke-width="0.6" fixed="true" stroke-linecap="butt" />
 				<area fill="#e9e6e3" fade="15" />
 			</rule>
 			

src/org/mapsforge/android/rendertheme/renderinstruction/Area.java

@@ -16,7 +16,7 @@ package org.mapsforge.android.rendertheme.renderinstruction;
 
 import java.io.IOException;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -137,12 +137,12 @@ public final class Area implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		// do nothing
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		if (paintFill != null) {
 			renderCallback.renderArea(this);
 		}

src/org/mapsforge/android/rendertheme/renderinstruction/Caption.java

@@ -16,7 +16,7 @@ package org.mapsforge.android.rendertheme.renderinstruction;
 
 import java.util.Locale;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -121,12 +121,12 @@ public final class Caption implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderPointOfInterestCaption(mTextKey, mDy, mPaint, mStroke);
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderAreaCaption(mTextKey, mDy, mPaint, mStroke);
 	}
 

src/org/mapsforge/android/rendertheme/renderinstruction/Circle.java

@@ -14,7 +14,7 @@
  */
 package org.mapsforge.android.rendertheme.renderinstruction;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -123,7 +123,7 @@ public final class Circle implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		if (mOutline != null) {
 			renderCallback.renderPointOfInterestCircle(mRenderRadius, mOutline, mLevel);
 		}
@@ -133,7 +133,7 @@ public final class Circle implements RenderInstruction {
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		// do nothing
 	}
 

src/org/mapsforge/android/rendertheme/renderinstruction/Line.java

@@ -18,7 +18,7 @@ import java.io.IOException;
 import java.util.Locale;
 import java.util.regex.Pattern;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -164,12 +164,12 @@ public final class Line implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		// do nothing
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		// renderCallback.renderWay(mPaint, mLevel, mColor, mStrokeWidth, mRound, mOutline);
 		renderCallback.renderWay(this);
 	}

src/org/mapsforge/android/rendertheme/renderinstruction/LineSymbol.java

@@ -16,7 +16,7 @@ package org.mapsforge.android.rendertheme.renderinstruction;
 
 import java.io.IOException;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -84,12 +84,12 @@ public final class LineSymbol implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		// do nothing
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderWaySymbol(mBitmap, mAlignCenter, mRepeat);
 	}
 

src/org/mapsforge/android/rendertheme/renderinstruction/PathText.java

@@ -16,7 +16,7 @@ package org.mapsforge.android.rendertheme.renderinstruction;
 
 import java.util.Locale;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -116,12 +116,12 @@ public final class PathText implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		// do nothing
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderWayText(mTextKey, mPaint, mStroke);
 	}
 

src/org/mapsforge/android/rendertheme/renderinstruction/RenderInstruction.java

@@ -14,7 +14,7 @@
  */
 package org.mapsforge.android.rendertheme.renderinstruction;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.core.Tag;
 
 /**
@@ -32,7 +32,7 @@ public interface RenderInstruction {
 	 * @param tags
 	 *            the tags of the node.
 	 */
-	void renderNode(RenderCallback renderCallback, Tag[] tags);
+	void renderNode(IRenderCallback renderCallback, Tag[] tags);
 
 	/**
 	 * @param renderCallback
@@ -40,7 +40,7 @@ public interface RenderInstruction {
 	 * @param tags
 	 *            the tags of the way.
 	 */
-	void renderWay(RenderCallback renderCallback, Tag[] tags);
+	void renderWay(IRenderCallback renderCallback, Tag[] tags);
 
 	/**
 	 * Scales the stroke width of this RenderInstruction by the given factor.

src/org/mapsforge/android/rendertheme/renderinstruction/Symbol.java

@@ -16,7 +16,7 @@ package org.mapsforge.android.rendertheme.renderinstruction;
 
 import java.io.IOException;
 
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.core.Tag;
 import org.xml.sax.Attributes;
@@ -74,12 +74,12 @@ public final class Symbol implements RenderInstruction {
 	}
 
 	@Override
-	public void renderNode(RenderCallback renderCallback, Tag[] tags) {
+	public void renderNode(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderPointOfInterestSymbol(mBitmap);
 	}
 
 	@Override
-	public void renderWay(RenderCallback renderCallback, Tag[] tags) {
+	public void renderWay(IRenderCallback renderCallback, Tag[] tags) {
 		renderCallback.renderAreaSymbol(mBitmap);
 	}
 

src/org/mapsforge/android/swrenderer/DatabaseRenderer.java

@@ -22,10 +22,10 @@ import java.util.List;
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.mapsforge.android.MapView;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 import org.mapsforge.android.mapgenerator.JobTheme;
-import org.mapsforge.android.mapgenerator.MapGenerator;
 import org.mapsforge.android.mapgenerator.MapGeneratorJob;
-import org.mapsforge.android.rendertheme.RenderCallback;
+import org.mapsforge.android.rendertheme.IRenderCallback;
 import org.mapsforge.android.rendertheme.RenderTheme;
 import org.mapsforge.android.rendertheme.RenderThemeHandler;
 import org.mapsforge.android.rendertheme.renderinstruction.Area;
@@ -48,11 +48,13 @@ import android.util.Log;
 /**
  * A DatabaseRenderer renders map tiles by reading from a {@link MapDatabase}.
  */
-public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatabaseCallback {
+public class DatabaseRenderer implements IMapGenerator, IRenderCallback,
+		IMapDatabaseCallback {
 	private static String TAG = DatabaseRenderer.class.getName();
 	private static final Byte DEFAULT_START_ZOOM_LEVEL = Byte.valueOf((byte) 12);
 	private static final byte LAYERS = 11;
-	private static final Paint PAINT_WATER_TILE_HIGHTLIGHT = new Paint(Paint.ANTI_ALIAS_FLAG);
+	private static final Paint PAINT_WATER_TILE_HIGHTLIGHT = new Paint(
+			Paint.ANTI_ALIAS_FLAG);
 	private static final double STROKE_INCREASE = 1.5;
 	private static final byte STROKE_MIN_ZOOM_LEVEL = 12;
 
@@ -151,7 +153,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 		PAINT_WATER_TILE_HIGHTLIGHT.setColor(Color.CYAN);
 		// mCoordinates = new float[1024];
 
-		mTileBitmap = Bitmap.createBitmap(Tile.TILE_SIZE * 2, Tile.TILE_SIZE * 2, Bitmap.Config.RGB_565);
+		mTileBitmap = Bitmap.createBitmap(Tile.TILE_SIZE * 2, Tile.TILE_SIZE * 2,
+				Bitmap.Config.RGB_565);
 
 	}
 
@@ -219,7 +222,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 		}
 		time_load = System.currentTimeMillis() - time_load;
 
-		mNodes = mLabelPlacement.placeLabels(mNodes, mPointSymbols, mAreaLabels, mCurrentTile);
+		mNodes = mLabelPlacement.placeLabels(mNodes, mPointSymbols, mAreaLabels,
+				mCurrentTile);
 
 		long time_draw = System.currentTimeMillis();
 
@@ -240,7 +244,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 		}
 
 		if (mapGeneratorJob.debugSettings.mDrawTileCoordinates) {
-			mCanvasRasterer.drawTileCoordinates(mCurrentTile, time_load, time_draw, _nodes, _nodesDropped);
+			mCanvasRasterer.drawTileCoordinates(mCurrentTile, time_load, time_draw,
+					_nodes, _nodesDropped);
 		}
 
 		clearLists();
@@ -282,7 +287,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	}
 
 	@Override
-	public void renderAreaCaption(String textKey, float verticalOffset, Paint paint, Paint stroke) {
+	public void renderAreaCaption(String textKey, float verticalOffset, Paint paint,
+			Paint stroke) {
 		// mapDatabase.readTag(caption);
 		// if (caption.value != null) {
 		// float[] centerPosition = GeometryUtils
@@ -312,7 +318,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	}
 
 	@Override
-	public void renderPointOfInterestCaption(String textKey, float verticalOffset, Paint paint, Paint stroke) {
+	public void renderPointOfInterestCaption(String textKey, float verticalOffset,
+			Paint paint, Paint stroke) {
 		// mapDatabase.readTag(caption);
 		// if (caption.value != null) {
 		// nodes.add(new PointTextContainer(caption.value, poiX, poiY + verticalOffset, paint, stroke));
@@ -327,8 +334,9 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 
 	@Override
 	public void renderPointOfInterestSymbol(Bitmap symbol) {
-		mPointSymbols.add(new SymbolContainer(symbol, mPoiX - (symbol.getWidth() >> 1), mPoiY
-				- (symbol.getHeight() >> 1)));
+		mPointSymbols.add(new SymbolContainer(symbol, mPoiX - (symbol.getWidth() >> 1),
+				mPoiY
+						- (symbol.getHeight() >> 1)));
 	}
 
 	@Override
@@ -359,7 +367,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	// private byte mPrevLayer = 0;
 
 	@Override
-	public void renderWay(byte layer, Tag[] tags, float[] wayNodes, int[] wayLengths, boolean changed) {
+	public void renderWay(byte layer, Tag[] tags, float[] wayNodes, int[] wayLengths,
+			boolean changed) {
 		// if (mCoords == null)
 		// mCoords = mMapDatabase.getCoordinates();
 
@@ -475,7 +484,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 
 	@Override
 	public void renderWay(Line line) {
-		List<ShapeContainer> c = mDrawingLayer.add(line.level, mWayDataContainer, line.paint);
+		List<ShapeContainer> c = mDrawingLayer.add(line.level, mWayDataContainer,
+				line.paint);
 
 		if (mCurLevelContainer1 == null)
 			mCurLevelContainer1 = c;
@@ -486,13 +496,16 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	@Override
 	public void renderArea(Area area) {
 		if (area.paintFill != null)
-			mCurLevelContainer1 = mDrawingLayer.add(area.level, mWayDataContainer, area.paintFill);
+			mCurLevelContainer1 = mDrawingLayer.add(area.level, mWayDataContainer,
+					area.paintFill);
 		if (area.paintOutline != null)
-			mCurLevelContainer1 = mDrawingLayer.add(area.level, mWayDataContainer, area.paintOutline);
+			mCurLevelContainer1 = mDrawingLayer.add(area.level, mWayDataContainer,
+					area.paintOutline);
 	}
 
 	@Override
-	public void renderWaySymbol(Bitmap symbolBitmap, boolean alignCenter, boolean repeatSymbol) {
+	public void renderWaySymbol(Bitmap symbolBitmap, boolean alignCenter,
+			boolean repeatSymbol) {
 		// WayDecorator.renderSymbol(symbolBitmap, alignCenter, repeatSymbol,
 		// coordinates,
 		// waySymbols);
@@ -508,11 +521,6 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 		return mMapDatabase.readString(mWayDataContainer.textPos[0]);
 	}
 
-	@Override
-	public boolean requiresInternetConnection() {
-		return false;
-	}
-
 	@Override
 	public void setMapDatabase(IMapDatabase mapDatabase) {
 		mMapDatabase = mapDatabase;
@@ -547,7 +555,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	private static float scaleLatitude(float latitude) {
 		double sinLatitude = FloatMath.sin(latitude * PI180);
 
-		return (float) (0.5 - Math.log((1 + sinLatitude) / (1 - sinLatitude)) / PIx4) * mCurrentTileZoom
+		return (float) (0.5 - Math.log((1 + sinLatitude) / (1 - sinLatitude)) / PIx4)
+				* mCurrentTileZoom
 				- mCurrentTileY;
 	}
 
@@ -560,7 +569,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	 */
 
 	private static float scaleLongitude(float longitude) {
-		return (float) ((longitude / 1000000.0 + 180) / 360 * mCurrentTileZoom) - mCurrentTileX;
+		return (float) ((longitude / 1000000.0 + 180) / 360 * mCurrentTileZoom)
+				- mCurrentTileX;
 	}
 
 	/**
@@ -571,7 +581,8 @@ public class DatabaseRenderer implements MapGenerator, RenderCallback, IMapDatab
 	 */
 	private static void setScaleStrokeWidth(byte zoomLevel) {
 		int zoomLevelDiff = Math.max(zoomLevel - STROKE_MIN_ZOOM_LEVEL, 0);
-		DatabaseRenderer.renderTheme.scaleStrokeWidth((float) Math.pow(STROKE_INCREASE, zoomLevelDiff));
+		DatabaseRenderer.renderTheme.scaleStrokeWidth((float) Math.pow(STROKE_INCREASE,
+				zoomLevelDiff));
 	}
 
 	@Override

src/org/mapsforge/android/swrenderer/MapRenderer.java

@@ -29,7 +29,7 @@ import javax.microedition.khronos.opengles.GL10;
 import org.mapsforge.android.DebugSettings;
 import org.mapsforge.android.MapView;
 import org.mapsforge.android.mapgenerator.JobParameters;
-import org.mapsforge.android.mapgenerator.MapGenerator;
+import org.mapsforge.android.mapgenerator.IMapGenerator;
 import org.mapsforge.android.mapgenerator.MapGeneratorJob;
 import org.mapsforge.android.mapgenerator.MapWorker;
 import org.mapsforge.android.mapgenerator.TileCacheKey;
@@ -184,7 +184,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
 
 		mJobList.clear();
 
-		MapGenerator mapGenerator = mMapView.getMapGenerator();
+		IMapGenerator mapGenerator = mMapView.getMapGenerator();
 		int tiles = 0;
 		for (long tileY = tileTop - 1; tileY <= tileBottom + 1; tileY++) {
 			for (long tileX = tileLeft - 1; tileX <= tileRight + 1; tileX++) {