0.13.0

Gradle: declare UTF-8 encoding for Java compile
Merge pull request #759 from mapsforge/themes
2020-01-12 15:31:31 +02:00 · 2020-01-02 15:06:47 +02:00 · 2019-12-25 13:58:17 +02:00 · 2019-12-25 13:36:42 +02:00 · 2019-12-17 17:54:27 +02:00 · 2019-12-15 15:40:48 +02:00
194 changed files with 4447 additions and 2425 deletions
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,8 @@ jdk:
 - openjdk8
 env:
  global:
-  - ANDROID=28
-  - ANDROID_BUILD_TOOLS=28.0.3
+  - ANDROID=29
+  - ANDROID_BUILD_TOOLS=29.0.2
  - GRADLE_OPTS="-Xmx2048m"
  - secure: 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
  - secure: 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
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@

 VTM (Vector Tile Map) was developed within the [OpenScienceMap](https://github.com/opensciencemap) project.

-**This fork continues VTM development and provides compatibility with latest [Mapsforge](https://github.com/mapsforge/mapsforge).**
+**This fork continues VTM development and provides compatibility with [Mapsforge](https://github.com/mapsforge/mapsforge).**

 See the **[integration guide](docs/Integration.md)** and [changelog](docs/Changelog.md). And read through [how to contribute](docs/CONTRIBUTING.md) guidelines.

@@ -21,6 +21,7 @@ If you have any questions or problems, don't hesitate to ask our public [forum](
 - Support for multiple tile sources:
  - OpenScienceMap vector tiles
  - Mapsforge vector maps
+  - MBTiles vector & raster maps
  - Mapbox vector tiles (e.g. Mapilion, Mapzen, Nextzen, OpenMapTiles)
  - GeoJSON vector tiles (e.g. Mapzen, Nextzen)
  - Raster tiles: any quadtree-scheme tiles as texture
@@ -37,6 +38,8 @@ If you have any questions or problems, don't hesitate to ask our public [forum](
 - **vtm-gdx** common libGDX backend
 - **vtm-android-gdx** Android libGDX backend
 - **vtm-desktop** Desktop libGDX backend
+- **vtm-desktop-lwjgl** Desktop LWJGL backend
+- **vtm-desktop-lwjgl3** Desktop LWJGL 3 backend
 - **vtm-playground** Desktop examples
 - **vtm-ios** iOS libGDX backend
 - **vtm-ios-example** iOS examples
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
        jcenter()
    }
    dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
    }
 }
@@ -14,10 +14,10 @@ allprojects {
    version = 'master-SNAPSHOT'
    ext.isReleaseVersion = !version.endsWith("SNAPSHOT")

-    ext.androidBuildVersionTools = "28.0.3"
-    ext.gdxVersion = "1.9.9"
-    ext.gwtVersion = "2.8.0"
-    ext.slf4jVersion = "1.7.25"
+    ext.androidBuildVersionTools = "29.0.2"
+    ext.gdxVersion = "1.9.10"
+    ext.gwtVersion = "2.8.2"
+    ext.slf4jVersion = "1.7.28"

    if (JavaVersion.current().isJava8Compatible()) {
        tasks.withType(Javadoc) {
@@ -28,12 +28,12 @@ allprojects {
    }
 }

-static def androidCompileSdk() { return 28 }
+static def androidCompileSdk() { return 29 }

 // 14 for Support Library, 16 for sqlite-android
 static def androidMinSdk() { return 16 }

-static def androidTargetSdk() { return 22 }
+static def androidTargetSdk() { return 29 }

 static def versionCode() { return 1 }

@@ -44,12 +44,12 @@ subprojects {
        google()
        maven { url 'https://repo.boundlessgeo.com/main/' }
        jcenter()
-        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
        maven { url 'https://jitpack.io' }
    }

    tasks.withType(JavaCompile) {
        sourceCompatibility = JavaVersion.VERSION_1_7
        targetCompatibility = JavaVersion.VERSION_1_7
+        options.encoding = 'UTF-8'
    }
 }
--- a/docs/Applications.md
+++ b/docs/Applications.md
@@ -6,6 +6,7 @@
 | [Cachebox 3.0](https://github.com/Longri/cachebox3.0) | Geocaching application | Apache 2.0/Free | Android, Desktop, iOS | Open |
 | [Cruiser](http://wiki.openstreetmap.org/wiki/Cruiser) | Map and navigation application | Proprietary/Free | Android, Desktop | Closed |
 | [GCDroid](https://play.google.com/store/apps/details?id=com.gcdroid) | Geocaching App | Proprietary/Free and Commercial | Android | Closed |
+| [GPSLogger II](https://play.google.com/store/apps/details?id=com.emacberry.gpslogger) | Map and navigation, Fitness & Cycling application | Proprietary/Free | Android | Closed |
 | [Hunt Cyprus](https://play.google.com/store/apps/developer?id=Talent+S.A.) | Map and navigation application for hunters | Proprietary/Free and Commercial | Android | Closed |
 | [Kurviger](https://kurviger.de/en) | Route planner specialized on motorcyclists | Proprietary/Free and Commercial | Android | Closed |
 | [MapTrek](http://maptrek.mobi) | Application for outdoor activities | GPL3/Free and Commercial | Android | Open |
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -1,5 +1,37 @@
 # Changelog

+## Version 0.13.0 (2020-01-12)
+
+- Render themes: symbols on lines with billboard / rotation [#743](https://github.com/mapsforge/vtm/pull/743)
+- Location texture renderer: rewrite and optimize [#750](https://github.com/mapsforge/vtm/pull/750)
+- Fix stroke cap line ending [#758](https://github.com/mapsforge/vtm/pull/758)
+- Mapsforge: fix ways precision loss [#752](https://github.com/mapsforge/vtm/pull/752)
+- Mapsforge: additional simplification [#757](https://github.com/mapsforge/vtm/pull/757)
+  - `Parameters.SIMPLIFICATION_TOLERANCE`
+- Android: OpenGL ES 2.0 default for performance / stability [#749](https://github.com/mapsforge/vtm/pull/749)
+  - `MapView.OPENGL_VERSION`
+- Android: threaded system initialization
+  - `Parameters.THREADED_INIT`
+- Many other minor improvements and bug fixes
+- [Solved issues](https://github.com/mapsforge/vtm/issues?q=is%3Aclosed+milestone%3A0.13.0)
+
+## Version 0.12.0 (2019-09-17)
+
+- MBTiles vector tile source (Android) [#740](https://github.com/mapsforge/vtm/pull/740)
+  - vtm-android-mvt module
+- Render themes: text background color [#737](https://github.com/mapsforge/vtm/pull/737)
+- vtm-desktop-lwjgl module [#714](https://github.com/mapsforge/vtm/pull/714)
+- vtm-desktop-lwjgl3 module [#717](https://github.com/mapsforge/vtm/pull/717)
+- Fix marker touch events [#723](https://github.com/mapsforge/vtm/issues/723)
+- Calculation of centroids for all polygons [#734](https://github.com/mapsforge/vtm/pull/734)
+  - `Parameters.POLY_CENTROID`
+- Disable optimal placement of labels or symbols on polygons
+  - `Parameters.POLY_LABEL`
+- Android 10 compatibility [#728](https://github.com/mapsforge/vtm/issues/728)
+- libGDX 1.9.10 [#731](https://github.com/mapsforge/vtm/issues/731)
+- Many other minor improvements and bug fixes
+- [Solved issues](https://github.com/mapsforge/vtm/issues?q=is%3Aclosed+milestone%3A0.12.0)
+
 ## Version 0.11.1 (2019-04-12)

 - MBTiles raster tile source (Android) [#708](https://github.com/mapsforge/vtm/pull/708)
@@ -173,7 +205,8 @@
 - vtm-ios module update [#29](https://github.com/mapsforge/vtm/issues/29)
 - Native libraries for all platforms [#14](https://github.com/mapsforge/vtm/issues/14)
 - Line stipple and texture rendering [#105](https://github.com/mapsforge/vtm/issues/105)
- Layer groups [#99](https://github.com/mapsforge/vtm/issues/99) [#103](https://github.com/mapsforge/vtm/issues/103)
+- Group layer implementation [#99](https://github.com/mapsforge/vtm/issues/99)
+- Layer groups implementation [#103](https://github.com/mapsforge/vtm/issues/103)
 - Location renderer and layer [#171](https://github.com/mapsforge/vtm/issues/171)
 - Map scale bar [#84](https://github.com/mapsforge/vtm/issues/84)
 - Tile size based on scale factor [#183](https://github.com/mapsforge/vtm/issues/183)
--- a/docs/ISSUE_TEMPLATE.md
+++ b/docs/ISSUE_TEMPLATE.md
@@ -1,5 +1 @@
-For questions or discussion please always use our Forum first and make sure you read our Contributing Guide.
-
- Forum: https://groups.google.com/group/mapsforge-dev
-
- Contributing Guide: https://github.com/mapsforge/vtm/blob/master/docs/CONTRIBUTING.md
+For questions, reports and discussion please always use the [forum](https://groups.google.com/group/mapsforge-dev).
--- a/docs/Integration.md
+++ b/docs/Integration.md
@@ -10,7 +10,7 @@ Current version is [![Maven Central](https://img.shields.io/maven-central/v/org.
 ```groovy
 implementation 'org.mapsforge:vtm:[CURRENT-VERSION]'
 implementation 'org.mapsforge:vtm-themes:[CURRENT-VERSION]'
-implementation 'org.slf4j:slf4j-api:1.7.25'
+implementation 'org.slf4j:slf4j-api:1.7.28'
 ```

 ### Android
@@ -20,7 +20,7 @@ implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-armeabi-v7a'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-arm64-v8a'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-x86'
 implementation 'org.mapsforge:vtm-android:[CURRENT-VERSION]:natives-x86_64'
-implementation 'com.caverock:androidsvg:1.3'
+implementation 'com.caverock:androidsvg:1.4'
 ```

 ### Android (libGDX)
@@ -36,9 +36,9 @@ implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-armeabi-
 implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-arm64-v8a'
 implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-x86'
 implementation 'org.mapsforge:vtm-android-gdx:[CURRENT-VERSION]:natives-x86_64'
-implementation 'com.badlogicgames.gdx:gdx:1.9.9'
-implementation 'com.badlogicgames.gdx:gdx-backend-android:1.9.9'
-implementation 'com.caverock:androidsvg:1.3'
+implementation 'com.badlogicgames.gdx:gdx:1.9.10'
+implementation 'com.badlogicgames.gdx:gdx-backend-android:1.9.10'
+implementation 'com.caverock:androidsvg:1.4'
 ```

 ### iOS
@@ -56,47 +56,75 @@ implementation 'org.mapsforge:vtm-desktop:[CURRENT-VERSION]'
 implementation 'org.mapsforge:vtm-desktop:[CURRENT-VERSION]:natives-linux'
 implementation 'org.mapsforge:vtm-desktop:[CURRENT-VERSION]:natives-osx'
 implementation 'org.mapsforge:vtm-desktop:[CURRENT-VERSION]:natives-windows'
-implementation 'com.badlogicgames.gdx:gdx:1.9.9'
-implementation 'com.badlogicgames.gdx:gdx-platform:1.9.9:natives-desktop'
-implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.9'
+implementation 'org.mapsforge:vtm-desktop-lwjgl:[CURRENT-VERSION]'
+implementation 'com.badlogicgames.gdx:gdx:1.9.10'
+implementation 'com.badlogicgames.gdx:gdx-platform:1.9.10:natives-desktop'
+implementation 'com.github.blackears:svgSalamander:v1.1.1'
+```
+
+### Desktop (LWJGL)
+```groovy
+implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10'
 implementation 'org.lwjgl.lwjgl:lwjgl:2.9.3'
 implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-linux'
 implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-osx'
 implementation 'org.lwjgl.lwjgl:lwjgl-platform:2.9.3:natives-windows'
-implementation 'com.github.blackears:svgSalamander:v1.1.1'
+```
+
+### Desktop (LWJGL 3)
+```groovy
+implementation 'com.badlogicgames.gdx:gdx-backend-lwjgl3:1.9.10'
+implementation 'org.lwjgl:lwjgl:3.2.3'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-linux'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-macos'
+implementation 'org.lwjgl:lwjgl:3.2.3:natives-windows'
 ```

 ### JTS geometries

 ```groovy
 implementation 'org.mapsforge:vtm-jts:[CURRENT-VERSION]'
-implementation 'org.locationtech.jts:jts-core:1.15.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```

 ### Online tiles

 ```groovy
 implementation 'org.mapsforge:vtm-http:[CURRENT-VERSION]'
-implementation 'com.squareup.okhttp3:okhttp:3.8.0'
-implementation 'com.squareup.okio:okio:1.13.0'
+// https://github.com/square/okhttp/issues/4481
+implementation 'com.squareup.okhttp3:okhttp:3.12.5'
+implementation 'com.squareup.okio:okio:1.15.0'
+```
+
+### MBTiles (Android)
+
+```groovy
+implementation 'org.mapsforge:vtm-android-mvt:[CURRENT-VERSION]'
+implementation 'org.mapsforge:vtm-mvt:[CURRENT-VERSION]'
+implementation 'com.google.protobuf:protobuf-java:3.6.1'
+implementation 'com.wdtinc:mapbox-vector-tile:3.1.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```

 ### Mapbox vector tiles

 ```groovy
 implementation 'org.mapsforge:vtm-mvt:[CURRENT-VERSION]'
-implementation 'com.google.protobuf:protobuf-java:3.5.1'
-implementation 'com.wdtinc:mapbox-vector-tile:3.0.0'
-implementation 'org.locationtech.jts:jts-core:1.15.0'
+implementation 'com.google.protobuf:protobuf-java:3.6.1'
+implementation 'com.wdtinc:mapbox-vector-tile:3.1.0'
+// https://github.com/locationtech/jts/issues/145
+implementation 'org.locationtech.jts:jts-core:1.15.1'
 ```

 ### GeoJSON vector tiles

 ```groovy
 implementation 'org.mapsforge:vtm-json:[CURRENT-VERSION]'
-implementation 'com.fasterxml.jackson.core:jackson-annotations:2.8.4'
-implementation 'com.fasterxml.jackson.core:jackson-core:2.8.4'
-implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.4'
+implementation 'com.fasterxml.jackson.core:jackson-annotations:2.9.9'
+implementation 'com.fasterxml.jackson.core:jackson-core:2.9.9'
+implementation 'com.fasterxml.jackson.core:jackson-databind:2.9.9'
 ```

 ### jeo (indoor maps)
--- a/docs/Mapsforge-Maps.md
+++ b/docs/Mapsforge-Maps.md
@@ -3,9 +3,9 @@
 - [AndroidMaps](http://www.androidmaps.co.uk/)
 - [Freizeitkarte](http://www.freizeitkarte-osm.de/android/en/index.html)
 - [Kurviger](https://offline-maps.kurviger.de/)
- [Locusvectormaps](http://www.locusvectormaps.com)
 - [Mapsforge](http://download.mapsforge.org/)
 - [OpenAndroMaps](http://www.openandromaps.org/en/)
 - [OpenMaps](http://openmaps.eu/)
+- [vector.city](https://vector.city/)

 You know a Mapsforge map provider that is missing here? Please inform us by sending a message via our public [forum](https://groups.google.com/group/mapsforge-dev).
--- a/docs/desktop.md
+++ b/docs/desktop.md
@@ -15,3 +15,5 @@ The jar file can be found in `build/libs` folder. Depending on the main class, p
 ```
 java -jar vtm-playground-master-SNAPSHOT-jar-with-dependencies.jar /path/to/map
 ```
+
+To change the libGDX backend can replace the dependency: `vtm-desktop-lwjgl` or `vtm-desktop-lwjgl3`.
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,3 +11,9 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
--- a/resources/rendertheme.xsd
+++ b/resources/rendertheme.xsd
@@ -150,6 +150,7 @@
        <xs:attribute name="font-family" default="default" type="tns:fontFamily" use="optional" />
        <xs:attribute name="style" default="normal" type="tns:fontStyle" use="optional" />
        <xs:attribute name="size" default="0" type="tns:nonNegativeFloat" use="optional" />
+        <xs:attribute name="bg-fill" default="#00000000" type="tns:color" use="optional" />
        <xs:attribute name="fill" default="#000000" type="tns:color" use="optional" />
        <xs:attribute name="stroke" default="#000000" type="tns:color" use="optional" />
        <xs:attribute name="stroke-width" default="0" type="tns:nonNegativeFloat" use="optional" />
@@ -219,6 +220,7 @@
        <xs:attribute name="font-family" default="default" type="tns:fontFamily" use="optional" />
        <xs:attribute name="style" default="normal" type="tns:fontStyle" use="optional" />
        <xs:attribute name="size" default="0" type="tns:nonNegativeFloat" use="optional" />
+        <xs:attribute name="bg-fill" default="#00000000" type="tns:color" use="optional" />
        <xs:attribute name="fill" default="#000000" type="tns:color" use="optional" />
        <xs:attribute name="stroke" default="#000000" type="tns:color" use="optional" />
        <xs:attribute name="stroke-width" default="0" type="tns:nonNegativeFloat" use="optional" />
@@ -235,9 +237,13 @@
        <xs:attribute name="symbol-width" type="xs:positiveInteger" use="optional" />
        <xs:attribute name="symbol-height" type="xs:positiveInteger" use="optional" />
        <xs:attribute name="symbol-percent" type="xs:positiveInteger" use="optional" />
+
+        <!-- symbols on lines -->
+        <xs:attribute name="billboard" default="false" type="xs:boolean" use="optional" />
        <xs:attribute name="repeat" default="false" type="xs:boolean" use="optional" />
        <xs:attribute name="repeat-gap" default="200" type="xs:float" use="optional" />
        <xs:attribute name="repeat-start" default="30" type="xs:float" use="optional" />
+        <xs:attribute name="rotate" default="true" type="xs:boolean" use="optional" />
    </xs:complexType>

    <xs:complexType name="extrusion">
--- a/settings.gradle
+++ b/settings.gradle
@@ -3,8 +3,11 @@ include ':vtm'
 include ':vtm-android'
 include ':vtm-android-example'
 include ':vtm-android-gdx'
+include ':vtm-android-mvt'
 include ':vtm-app'
 include ':vtm-desktop'
+include ':vtm-desktop-lwjgl'
+include ':vtm-desktop-lwjgl3'
 include ':vtm-extras'
 include ':vtm-gdx'
 include ':vtm-gdx-poi3d'
--- a/vtm-android-example/AndroidManifest.xml
+++ b/vtm-android-example/AndroidManifest.xml
@@ -7,7 +7,9 @@

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission
+        android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="18" />

    <application
        android:allowBackup="true"
@@ -22,15 +24,9 @@
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
-        <activity
-            android:name=".AtlasMarkerOverlayActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".AtlasMultiTextureActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".AtlasThemeActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".BitmapTileActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
@@ -49,9 +45,6 @@
        <activity
            android:name=".JeoIndoorActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".LayerGroupActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".LineTexActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
@@ -61,9 +54,6 @@
        <activity
            android:name=".LocationTextureActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".MapEventLayer2Activity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".MapilionMvtActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
@@ -92,10 +82,10 @@
            android:name=".MarkerOverlayActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
-            android:name=".MBTilesBitmapTileActivity"
+            android:name=".MBTilesBitmapActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
-            android:name=".MultiMapViewActivity"
+            android:name=".MBTilesMvtActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".NextzenGeojsonActivity"
@@ -106,9 +96,6 @@
        <activity
            android:name=".OpenMapTilesMvtActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".OSciMapS3DBActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".OverpassActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
@@ -121,15 +108,9 @@
        <activity
            android:name=".PoiSearchActivity$PoiFilePicker"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".POTTextureActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".ReverseGeocodeActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
-        <activity
-            android:name=".RotateMarkerOverlayActivity"
-            android:configChanges="keyboardHidden|orientation|screenSize" />
        <activity
            android:name=".ShadowActivity"
            android:configChanges="keyboardHidden|orientation|screenSize" />
--- a/vtm-android-example/build.gradle
+++ b/vtm-android-example/build.gradle
@@ -1,14 +1,8 @@
 apply plugin: 'com.android.application'

-/*
-configurations.all {
-    // Check latest snapshot on every build
-    resolutionStrategy.cacheChangingModulesFor 0, 'seconds'
-}
-*/
-
 dependencies {
    implementation project(':vtm-android')
+    implementation project(':vtm-android-mvt')
    implementation project(':vtm-extras')
    implementation project(':vtm-http')
    implementation project(':vtm-jeo')
@@ -22,11 +16,11 @@ dependencies {
    implementation project(':vtm-gdx')
    implementation project(':vtm-gdx-poi3d')

-    implementation 'org.mapsforge:mapsforge-poi-android:master-SNAPSHOT'
-    implementation 'org.mapsforge:sqlite-android:master-SNAPSHOT:natives-armeabi-v7a'
-    implementation 'org.mapsforge:sqlite-android:master-SNAPSHOT:natives-arm64-v8a'
-    implementation 'org.mapsforge:sqlite-android:master-SNAPSHOT:natives-x86'
-    implementation 'org.mapsforge:sqlite-android:master-SNAPSHOT:natives-x86_64'
+    implementation 'org.mapsforge:mapsforge-poi-android:0.13.0'
+    implementation 'org.mapsforge:sqlite-android:0.13.0:natives-armeabi-v7a'
+    implementation 'org.mapsforge:sqlite-android:0.13.0:natives-arm64-v8a'
+    implementation 'org.mapsforge:sqlite-android:0.13.0:natives-x86'
+    implementation 'org.mapsforge:sqlite-android:0.13.0:natives-x86_64'
 }

 android {
@@ -39,8 +33,8 @@ android {
    }

    defaultConfig {
-        versionCode versionCode()
-        versionName versionName()
+        versionCode project.versionCode()
+        versionName project.versionName()
        minSdkVersion androidMinSdk()
        targetSdkVersion androidTargetSdk()
    }
--- a/vtm-android-example/res/raw/marker.svg
+++ b/vtm-android-example/res/raw/marker.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="580" width="580" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
+ <title>other</title>
+ <metadata>
+  <rdf:RDF>
+   <cc:Work rdf:about="">
+    <dc:format>image/svg+xml</dc:format>
+    <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
+    <dc:title>other</dc:title>
+   </cc:Work>
+  </rdf:RDF>
+ </metadata>
+ <circle opacity=".8" cx="290" cy="290" r="145" fill="#fff"/>
+ <circle cy="290" cx="290" r="116" fill="#0092DA"/>
+</svg>
--- a/vtm-android-example/res/values/strings.xml
+++ b/vtm-android-example/res/values/strings.xml
@@ -26,7 +26,7 @@
    <string name="search_value">void or value</string>
    <string name="now">Now</string>
    <string name="warning">Warning</string>
-    <string name="startup_message_mbtiles">To run this sample activity, you need any  MBTiles with filename test.mbtiles installed on storage.\n\nadb push file.mbtiles /sdcard/test.mbtiles</string>
+    <string name="startup_message_mbtiles">To run this sample activity, you need an MBTiles database installed on storage.\n\nadb push %s %s</string>
    <string name="exit">Exit</string>

 </resources>
--- a/vtm-android-example/src/org/oscim/android/filepicker/FilePicker.java
+++ b/vtm-android-example/src/org/oscim/android/filepicker/FilePicker.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2010, 2011, 2012 mapsforge.org
- * Copyright 2016 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * 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
@@ -22,11 +22,9 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Bundle;
-import android.os.Environment;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.GridView;
-
 import org.oscim.android.test.R;

 import java.io.File;
@@ -60,7 +58,6 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe

    private static final String PREFERENCES_FILE = "FilePicker";
    private static final String CURRENT_DIRECTORY = "currentDirectory";
-    private static final String DEFAULT_DIRECTORY = Environment.getExternalStorageDirectory().getAbsolutePath();
    private static final int DIALOG_FILE_INVALID = 0;

    // private static final int DIALOG_FILE_SELECT = 1;
@@ -122,6 +119,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        };
    }

+    private String mDefaultDirectory;
    private File mDirectory;
    private FilePickerIconAdapter mFilePickerIconAdapter;
    private File[] mFiles;
@@ -164,7 +162,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        }

        // if a parent directory exists, add it at the first position
-        if (mDirectory.getParentFile() != null) {
+        if (mDirectory.getParentFile() != null && mDirectory.getParentFile().canRead()) {
            mFilesWithParentFolder = new File[mFiles.length + 1];
            mFilesWithParentFolder[0] = mDirectory.getParentFile();
            System.arraycopy(mFiles, 0, mFilesWithParentFolder, 1,
@@ -182,6 +180,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_file_picker);

+        mDefaultDirectory = getExternalFilesDir(null) != null ? getExternalFilesDir(null).getAbsolutePath() : "/sdcard/";
        mFilePickerIconAdapter = new FilePickerIconAdapter(this);
        GridView gridView = (GridView) findViewById(R.id.filePickerView);
        gridView.setOnItemClickListener(this);
@@ -239,10 +238,9 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        // restore the current directory
        SharedPreferences preferences = getSharedPreferences(PREFERENCES_FILE,
                MODE_PRIVATE);
-        mDirectory = new File(preferences.getString(CURRENT_DIRECTORY,
-                DEFAULT_DIRECTORY));
+        mDirectory = new File(preferences.getString(CURRENT_DIRECTORY, mDefaultDirectory));
        if (!mDirectory.exists() || !mDirectory.canRead()) {
-            mDirectory = new File(DEFAULT_DIRECTORY);
+            mDirectory = new File(mDefaultDirectory);
        }
        browseToCurrentDirectory();
    }
--- a/vtm-android-example/src/org/oscim/android/test/AtlasMarkerOverlayActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/AtlasMarkerOverlayActivity.java
@@ -1,91 +0,0 @@
-/*
- * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
- * Copyright 2017 Longri
- *
- * 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.android.test;
-
-import org.oscim.backend.canvas.Bitmap;
-import org.oscim.core.GeoPoint;
-import org.oscim.layers.marker.ItemizedLayer;
-import org.oscim.layers.marker.MarkerItem;
-import org.oscim.layers.marker.MarkerSymbol;
-import org.oscim.layers.marker.MarkerSymbol.HotspotPlace;
-import org.oscim.layers.tile.bitmap.BitmapTileLayer;
-import org.oscim.renderer.atlas.TextureAtlas;
-import org.oscim.renderer.atlas.TextureRegion;
-import org.oscim.tiling.TileSource;
-import org.oscim.tiling.source.OkHttpEngine;
-import org.oscim.tiling.source.bitmap.DefaultSources;
-import org.oscim.utils.TextureAtlasUtils;
-
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-
-import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
-
-public class AtlasMarkerOverlayActivity extends MarkerOverlayActivity {
-
-    @Override
-    void createLayers() {
-        // Map events receiver
-        mMap.layers().add(new MapEventsReceiver(mMap));
-
-        TileSource tileSource = DefaultSources.OPENSTREETMAP
-                .httpFactory(new OkHttpEngine.OkHttpFactory())
-                .build();
-        mMap.layers().add(new BitmapTileLayer(mMap, tileSource));
-
-        Bitmap bitmapPoi = drawableToBitmap(getResources().getDrawable(R.drawable.marker_poi));
-        Bitmap bitmapFocus = drawableToBitmap(getResources().getDrawable(R.drawable.marker_focus));
-
-        // Create Atlas from Bitmaps
-        java.util.Map<Object, Bitmap> inputMap = new LinkedHashMap<>();
-        java.util.Map<Object, TextureRegion> regionsMap = new LinkedHashMap<>();
-        List<TextureAtlas> atlasList = new ArrayList<>();
-
-        inputMap.put("poi", bitmapPoi);
-        inputMap.put("focus", bitmapFocus);
-
-        // Bitmaps will never used any more
-        // With iOS we must flip the Y-Axis
-        TextureAtlasUtils.createTextureRegions(inputMap, regionsMap, atlasList, true, false);
-
-        MarkerSymbol symbol;
-        if (BILLBOARDS)
-            symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.BOTTOM_CENTER);
-        else
-            symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.CENTER, false);
-
-        if (BILLBOARDS)
-            mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.BOTTOM_CENTER);
-        else
-            mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.CENTER, false);
-
-        mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
-        mMap.layers().add(mMarkerLayer);
-
-        List<MarkerItem> pts = new ArrayList<>();
-
-        for (double lat = -90; lat <= 90; lat += 5) {
-            for (double lon = -180; lon <= 180; lon += 5)
-                pts.add(new MarkerItem(lat + "/" + lon, "", new GeoPoint(lat, lon)));
-        }
-
-        mMarkerLayer.addItems(pts);
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/ClusterMarkerOverlayActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/ClusterMarkerOverlayActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 * Copyright 2017 nebular
 *
 * This program is free software: you can redistribute it and/or modify it under the
@@ -15,16 +15,12 @@
 */
 package org.oscim.android.test;

+import android.graphics.BitmapFactory;
+import org.oscim.android.canvas.AndroidBitmap;
 import org.oscim.backend.canvas.Bitmap;
 import org.oscim.backend.canvas.Color;
 import org.oscim.core.GeoPoint;
-import org.oscim.layers.marker.ClusterMarkerRenderer;
-import org.oscim.layers.marker.ItemizedLayer;
-import org.oscim.layers.marker.MarkerItem;
-import org.oscim.layers.marker.MarkerLayer;
-import org.oscim.layers.marker.MarkerRenderer;
-import org.oscim.layers.marker.MarkerRendererFactory;
-import org.oscim.layers.marker.MarkerSymbol;
+import org.oscim.layers.marker.*;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import org.oscim.tiling.TileSource;
 import org.oscim.tiling.source.OkHttpEngine;
@@ -33,8 +29,6 @@ import org.oscim.tiling.source.bitmap.DefaultSources;
 import java.util.ArrayList;
 import java.util.List;

-import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
-
 public class ClusterMarkerOverlayActivity extends MarkerOverlayActivity {

    private static final int COUNT = 5;
@@ -50,7 +44,7 @@ public class ClusterMarkerOverlayActivity extends MarkerOverlayActivity {
                .build();
        mMap.layers().add(new BitmapTileLayer(mMap, tileSource));

-        Bitmap bitmapPoi = drawableToBitmap(getResources().getDrawable(R.drawable.marker_poi));
+        Bitmap bitmapPoi = new AndroidBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.marker_poi));
        final MarkerSymbol symbol;
        if (BILLBOARDS)
            symbol = new MarkerSymbol(bitmapPoi, MarkerSymbol.HotspotPlace.BOTTOM_CENTER);
--- a/vtm-android-example/src/org/oscim/android/test/GettingStarted.java
+++ b/vtm-android-example/src/org/oscim/android/test/GettingStarted.java
@@ -16,8 +16,6 @@ package org.oscim.android.test;

 import android.app.Activity;
 import android.os.Bundle;
-import android.os.Environment;
-
 import org.oscim.android.MapView;
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.layers.tile.buildings.BuildingLayer;
@@ -35,7 +33,8 @@ import java.io.File;
 /**
 * A very basic Android app example.
 * <p>
- * You'll need a map with filename berlin.map from download.mapsforge.org in device storage.
+ * You'll need a map with filename berlin.map from download.mapsforge.org in device storage:
+ * /sdcard/Android/data/org.oscim.android.test/files/
 */
 public class GettingStarted extends Activity {

@@ -55,7 +54,7 @@ public class GettingStarted extends Activity {

        // Tile source
        MapFileTileSource tileSource = new MapFileTileSource();
-        String mapPath = new File(Environment.getExternalStorageDirectory(), MAP_FILE).getAbsolutePath();
+        String mapPath = new File(getExternalFilesDir(null), MAP_FILE).getAbsolutePath();
        if (tileSource.setMapFile(mapPath)) {
            // Vector layer
            VectorTileLayer tileLayer = mapView.map().setBaseMap(tileSource);
--- a/vtm-android-example/src/org/oscim/android/test/LayerGroupActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/LayerGroupActivity.java
@@ -1,80 +0,0 @@
-/*
- * Copyright 2013 Hannes Janetzek
- * Copyright 2016-2018 devemux86
- * Copyright 2016 Andrey Novikov
- *
- * 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.android.test;
-
-import android.os.Bundle;
-
-import org.oscim.backend.CanvasAdapter;
-import org.oscim.layers.tile.buildings.BuildingLayer;
-import org.oscim.layers.tile.vector.labeling.LabelLayer;
-import org.oscim.map.Layers;
-import org.oscim.renderer.BitmapRenderer;
-import org.oscim.renderer.GLViewport;
-import org.oscim.scalebar.DefaultMapScaleBar;
-import org.oscim.scalebar.ImperialUnitAdapter;
-import org.oscim.scalebar.MapScaleBar;
-import org.oscim.scalebar.MapScaleBarLayer;
-import org.oscim.scalebar.MetricUnitAdapter;
-import org.oscim.theme.VtmThemes;
-
-public class LayerGroupActivity extends BaseMapActivity {
-
-    private static final int GROUP_3D_OBJECTS = 1;
-    private static final int GROUP_LABELS = 2;
-    private static final int GROUP_OVERLAYS = 3;
-
-    private DefaultMapScaleBar mapScaleBar;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        Layers layers = mMap.layers();
-
-        layers.addGroup(GROUP_3D_OBJECTS);
-        layers.add(new BuildingLayer(mMap, mBaseLayer), GROUP_3D_OBJECTS);
-
-        layers.addGroup(GROUP_LABELS);
-        layers.add(new LabelLayer(mMap, mBaseLayer), GROUP_LABELS);
-
-        mapScaleBar = new DefaultMapScaleBar(mMap);
-        mapScaleBar.setScaleBarMode(DefaultMapScaleBar.ScaleBarMode.BOTH);
-        mapScaleBar.setDistanceUnitAdapter(MetricUnitAdapter.INSTANCE);
-        mapScaleBar.setSecondaryDistanceUnitAdapter(ImperialUnitAdapter.INSTANCE);
-        mapScaleBar.setScaleBarPosition(MapScaleBar.ScaleBarPosition.BOTTOM_LEFT);
-
-        MapScaleBarLayer mapScaleBarLayer = new MapScaleBarLayer(mMap, mapScaleBar);
-        BitmapRenderer renderer = mapScaleBarLayer.getRenderer();
-        renderer.setPosition(GLViewport.Position.BOTTOM_LEFT);
-        renderer.setOffset(5 * CanvasAdapter.getScale(), 0);
-
-        layers.addGroup(GROUP_OVERLAYS);
-        layers.add(mapScaleBarLayer, GROUP_OVERLAYS);
-
-        mMap.setTheme(VtmThemes.DEFAULT);
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (mapScaleBar != null)
-            mapScaleBar.destroy();
-
-        super.onDestroy();
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/LineTexActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/LineTexActivity.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -18,7 +18,6 @@
 package org.oscim.android.test;

 import android.os.Bundle;
-
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.backend.canvas.Color;
 import org.oscim.core.MapPosition;
@@ -38,7 +37,7 @@ import java.util.List;
 */
 public class LineTexActivity extends BitmapTileActivity {

-    private static final boolean ANIMATION = false;
+    private static final boolean ANIMATION = true;

    private List<PathLayer> mPathLayers = new ArrayList<>();

@@ -49,7 +48,7 @@ public class LineTexActivity extends BitmapTileActivity {
        TextureItem tex = null;
        try {
            tex = new TextureItem(CanvasAdapter.getBitmapAsset("", "patterns/pike.png"));
-            tex.mipmap = true;
+            //tex.mipmap = true;
        } catch (IOException e) {
            e.printStackTrace();
        }
--- a/vtm-android-example/src/org/oscim/android/test/LocationActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/LocationActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * 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
@@ -14,16 +14,20 @@
 */
 package org.oscim.android.test;

+import android.Manifest;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
+import android.os.Build;
 import android.os.Bundle;
-
 import org.oscim.core.MapPosition;
 import org.oscim.layers.LocationLayer;
+import org.oscim.renderer.LocationCallback;

 public class LocationActivity extends BitmapTileActivity implements LocationListener {
+    private Location location;
    private LocationLayer locationLayer;
    private LocationManager locationManager;
    private final MapPosition mapPosition = new MapPosition();
@@ -35,27 +39,46 @@ public class LocationActivity extends BitmapTileActivity implements LocationList
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        locationLayer = new LocationLayer(mMap);
-        locationLayer.locationRenderer.setShader("location_1_reverse");
+        locationLayer.locationRenderer.setCallback(new LocationCallback() {
+            @Override
+            public boolean hasRotation() {
+                return location != null && location.hasBearing();
+            }
+
+            @Override
+            public float getRotation() {
+                return location != null && location.hasBearing() ? location.getBearing() : 0;
+            }
+        });
        locationLayer.setEnabled(false);
        mMap.layers().add(locationLayer);
    }

    @Override
-    protected void onResume() {
-        super.onResume();
+    public void onRequestPermissionsResult(final int requestCode, final String[] permissions, final int[] grantResults) {
+        if (requestCode == 0) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+                enableAvailableProviders();
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();

        enableAvailableProviders();
    }

    @Override
-    protected void onPause() {
-        super.onPause();
-
+    public void onStop() {
        locationManager.removeUpdates(this);
+
+        super.onStop();
    }

    @Override
    public void onLocationChanged(Location location) {
+        this.location = location;
        locationLayer.setEnabled(true);
        locationLayer.setPosition(location.getLatitude(), location.getLongitude(), location.getAccuracy());

@@ -78,6 +101,13 @@ public class LocationActivity extends BitmapTileActivity implements LocationList
    }

    private void enableAvailableProviders() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 0);
+                return;
+            }
+        }
+
        locationManager.removeUpdates(this);

        for (String provider : locationManager.getProviders(true)) {
--- a/vtm-android-example/src/org/oscim/android/test/LocationTextureActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/LocationTextureActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 * Copyright 2018 Longri
 *
 * This program is free software: you can redistribute it and/or modify it under the
@@ -15,26 +15,26 @@
 */
 package org.oscim.android.test;

+import android.Manifest;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
+import android.os.Build;
 import android.os.Bundle;
-
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.backend.canvas.Bitmap;
-import org.oscim.backend.canvas.Color;
 import org.oscim.core.MapPosition;
 import org.oscim.layers.LocationTextureLayer;
-import org.oscim.renderer.atlas.TextureAtlas;
-import org.oscim.renderer.atlas.TextureRegion;
-import org.oscim.renderer.bucket.TextureItem;
+import org.oscim.renderer.LocationCallback;
 import org.oscim.utils.IOUtils;

 import java.io.IOException;
 import java.io.InputStream;

 public class LocationTextureActivity extends BitmapTileActivity implements LocationListener {
+    private Location location;
    private LocationTextureLayer locationLayer;
    private LocationManager locationManager;
    private final MapPosition mapPosition = new MapPosition();
@@ -45,56 +45,72 @@ public class LocationTextureActivity extends BitmapTileActivity implements Locat

        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

-        // load a Bitmap/SVG from resources
        InputStream is = null;
-        Bitmap bmp = null;
+        Bitmap bitmapArrow = null;
        try {
            is = getResources().openRawResource(R.raw.arrow);
-            float scale = CanvasAdapter.getScale();
-            bmp = CanvasAdapter.decodeSvgBitmap(is, (int) (60 * scale), (int) (60 * scale), 100);
+            bitmapArrow = CanvasAdapter.decodeSvgBitmap(is, (int) (48 * CanvasAdapter.getScale()), (int) (48 * CanvasAdapter.getScale()), 100);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            IOUtils.closeQuietly(is);
        }

-        // create TextureRegion from Bitmap
-        TextureRegion textureRegion = new TextureRegion(new TextureItem(bmp), new TextureAtlas.Rect(0, 0, bmp.getWidth(), bmp.getHeight()));
+        Bitmap bitmapMarker = null;
+        try {
+            is = getResources().openRawResource(R.raw.marker);
+            bitmapMarker = CanvasAdapter.decodeSvgBitmap(is, (int) (48 * CanvasAdapter.getScale()), (int) (48 * CanvasAdapter.getScale()), 100);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            IOUtils.closeQuietly(is);
+        }

-        // create LocationTextureLayer with created/loaded TextureRegion
-        locationLayer = new LocationTextureLayer(mMap, textureRegion);
-
-        // set color of accuracy circle (Color.BLUE is default)
-        locationLayer.locationRenderer.setAccuracyColor(Color.get(50, 50, 255));
-
-        // set color of indicator circle (Color.RED is default)
-        locationLayer.locationRenderer.setIndicatorColor(Color.MAGENTA);
-
-        // set billboard rendering for TextureRegion (false is default)
-        locationLayer.locationRenderer.setBillboard(false);
+        locationLayer = new LocationTextureLayer(mMap);
+        locationLayer.locationRenderer.setBitmapArrow(bitmapArrow);
+        locationLayer.locationRenderer.setBitmapMarker(bitmapMarker);
+        locationLayer.locationRenderer.setCallback(new LocationCallback() {
+            @Override
+            public boolean hasRotation() {
+                return location != null && location.hasBearing();
+            }

+            @Override
+            public float getRotation() {
+                return location != null && location.hasBearing() ? location.getBearing() : 0;
+            }
+        });
        locationLayer.setEnabled(false);
        mMap.layers().add(locationLayer);
    }

    @Override
-    protected void onResume() {
-        super.onResume();
+    public void onRequestPermissionsResult(final int requestCode, final String[] permissions, final int[] grantResults) {
+        if (requestCode == 0) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+                enableAvailableProviders();
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();

        enableAvailableProviders();
    }

    @Override
-    protected void onPause() {
-        super.onPause();
-
+    public void onStop() {
        locationManager.removeUpdates(this);
+
+        super.onStop();
    }

    @Override
    public void onLocationChanged(Location location) {
+        this.location = location;
        locationLayer.setEnabled(true);
-        locationLayer.setPosition(location.getLatitude(), location.getLongitude(), location.getBearing(), location.getAccuracy());
+        locationLayer.setPosition(location.getLatitude(), location.getLongitude(), location.getAccuracy());

        // Follow location
        mMap.getMapPosition(mapPosition);
@@ -115,6 +131,13 @@ public class LocationTextureActivity extends BitmapTileActivity implements Locat
    }

    private void enableAvailableProviders() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 0);
+                return;
+            }
+        }
+
        locationManager.removeUpdates(this);

        for (String provider : locationManager.getProviders(true)) {
--- a/vtm-android-example/src/org/oscim/android/test/MBTilesBitmapTileActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MBTilesBitmapTileActivity.java
@@ -1,6 +1,7 @@
 /*
 * Copyright 2019 Andrea Antonello
 * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * 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
@@ -18,8 +19,8 @@ package org.oscim.android.test;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.os.Environment;
 import org.oscim.android.tiling.source.mbtiles.MBTilesBitmapTileSource;
+import org.oscim.android.tiling.source.mbtiles.MBTilesTileSource;
 import org.oscim.core.BoundingBox;
 import org.oscim.core.MapPosition;
 import org.oscim.core.Tile;
@@ -28,19 +29,19 @@ import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import java.io.File;

 /**
- * An example activity making use of MBTiles.
+ * An example activity making use of raster MBTiles.
 */
-public class MBTilesBitmapTileActivity extends BitmapTileActivity {
+public class MBTilesBitmapActivity extends BitmapTileActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

-        File file = new File(Environment.getExternalStorageDirectory(), "test.mbtiles");
+        File file = new File(getExternalFilesDir(null), "raster.mbtiles");
        if (!file.exists()) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this)
                    .setTitle(R.string.warning)
-                    .setMessage(R.string.startup_message_mbtiles)
+                    .setMessage(getResources().getString(R.string.startup_message_mbtiles, file.getName(), file.getAbsolutePath()))
                    .setPositiveButton(R.string.exit, new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
@@ -51,7 +52,8 @@ public class MBTilesBitmapTileActivity extends BitmapTileActivity {
            return;
        }

-        MBTilesBitmapTileSource tileSource = new MBTilesBitmapTileSource(file.getAbsolutePath(), 128, null);
+        MBTilesTileSource tileSource = new MBTilesBitmapTileSource(file.getAbsolutePath(), 128, null);
+
        BitmapTileLayer bitmapLayer = new BitmapTileLayer(mMap, tileSource);
        mMap.layers().add(bitmapLayer);

@@ -59,7 +61,7 @@ public class MBTilesBitmapTileActivity extends BitmapTileActivity {
        MapPosition pos = new MapPosition();
        mMap.getMapPosition(pos);
        if (pos.x == 0.5 && pos.y == 0.5) {
-            BoundingBox bbox = tileSource.getBounds();
+            BoundingBox bbox = tileSource.getDataSource().getBounds();
            if (bbox != null) {
                pos.setByBoundingBox(bbox, Tile.SIZE * 4, Tile.SIZE * 4);
                mMap.setMapPosition(pos);
--- a/vtm-android-example/src/org/oscim/android/test/MBTilesMvtActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MBTilesMvtActivity.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2019 Andrea Antonello
+ * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
+ *
+ * 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.android.test;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import org.oscim.android.mvt.tiling.source.mbtiles.MBTilesMvtTileSource;
+import org.oscim.android.tiling.source.mbtiles.MBTilesTileSource;
+import org.oscim.android.tiling.source.mbtiles.MBTilesUnsupportedException;
+import org.oscim.core.BoundingBox;
+import org.oscim.core.MapPosition;
+import org.oscim.core.Tile;
+import org.oscim.layers.tile.buildings.BuildingLayer;
+import org.oscim.layers.tile.vector.VectorTileLayer;
+import org.oscim.layers.tile.vector.labeling.LabelLayer;
+import org.oscim.theme.VtmThemes;
+
+import java.io.File;
+
+/**
+ * An example activity making use of vector MBTiles.
+ */
+public class MBTilesMvtActivity extends MapActivity {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        File file = new File(getExternalFilesDir(null), "vector.mbtiles");
+        if (!file.exists()) {
+            AlertDialog.Builder builder = new AlertDialog.Builder(this)
+                    .setTitle(R.string.warning)
+                    .setMessage(getResources().getString(R.string.startup_message_mbtiles, file.getName(), file.getAbsolutePath()))
+                    .setPositiveButton(R.string.exit, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            finish();
+                        }
+                    });
+            builder.show();
+            return;
+        }
+
+        MBTilesTileSource tileSource;
+        try {
+            tileSource = new MBTilesMvtTileSource(file.getAbsolutePath(), "en");
+        } catch (MBTilesUnsupportedException e) {
+            AlertDialog.Builder builder = new AlertDialog.Builder(this)
+                    .setTitle(R.string.warning)
+                    .setMessage(e.getMessage())
+                    .setPositiveButton(R.string.exit, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            finish();
+                        }
+                    });
+            builder.show();
+            return;
+        }
+
+        VectorTileLayer l = mMap.setBaseMap(tileSource);
+        mMap.setTheme(VtmThemes.OPENMAPTILES);
+
+        mMap.layers().add(new BuildingLayer(mMap, l));
+        mMap.layers().add(new LabelLayer(mMap, l));
+
+        /* set initial position on first run */
+        MapPosition pos = new MapPosition();
+        mMap.getMapPosition(pos);
+        if (pos.x == 0.5 && pos.y == 0.5) {
+            BoundingBox bbox = tileSource.getDataSource().getBounds();
+            if (bbox != null) {
+                pos.setByBoundingBox(bbox, Tile.SIZE * 4, Tile.SIZE * 4);
+                mMap.setMapPosition(pos);
+            }
+        }
+    }
+}
--- a/vtm-android-example/src/org/oscim/android/test/MapEventLayer2Activity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MapEventLayer2Activity.java
@@ -1,32 +0,0 @@
-/*
- * Copyright 2016-2017 devemux86
- *
- * 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.android.test;
-
-import org.oscim.utils.Parameters;
-
-public class MapEventLayer2Activity extends MarkerOverlayActivity {
-
-    public MapEventLayer2Activity() {
-        super();
-        Parameters.MAP_EVENT_LAYER2 = true;
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-
-        Parameters.MAP_EVENT_LAYER2 = false;
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MapilionMvtActivity.java
@@ -14,8 +14,11 @@
 */
 package org.oscim.android.test;

+import android.os.Build;
 import android.os.Bundle;
-
+import okhttp3.CipherSuite;
+import okhttp3.ConnectionSpec;
+import okhttp3.OkHttpClient;
 import org.oscim.android.cache.TileCache;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import org.oscim.layers.tile.buildings.BuildingLayer;
@@ -27,6 +30,10 @@ import org.oscim.tiling.source.UrlTileSource;
 import org.oscim.tiling.source.bitmap.DefaultSources;
 import org.oscim.tiling.source.mvt.MapilionMvtTileSource;

+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 public class MapilionMvtActivity extends MapActivity {

    // Metered API key for demonstration purposes
@@ -40,7 +47,23 @@ public class MapilionMvtActivity extends MapActivity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

-        OkHttpEngine.OkHttpFactory factory = new OkHttpEngine.OkHttpFactory();
+        OkHttpClient.Builder builder = new OkHttpClient.Builder();
+
+        // https://github.com/square/okhttp/issues/4053
+        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
+            List<CipherSuite> cipherSuites = new ArrayList<>();
+            List<CipherSuite> modernTlsCipherSuites = ConnectionSpec.MODERN_TLS.cipherSuites();
+            if (modernTlsCipherSuites != null)
+                cipherSuites.addAll(modernTlsCipherSuites);
+            cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA);
+            cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA);
+            ConnectionSpec legacyTls = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
+                    .cipherSuites(cipherSuites.toArray(new CipherSuite[0]))
+                    .build();
+            builder.connectionSpecs(Arrays.asList(legacyTls, ConnectionSpec.CLEARTEXT));
+        }
+
+        OkHttpEngine.OkHttpFactory factory = new OkHttpEngine.OkHttpFactory(builder);

        UrlTileSource tileSource = MapilionMvtTileSource.builder()
                .apiKey(API_KEY)
--- a/vtm-android-example/src/org/oscim/android/test/MarkerOverlayActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MarkerOverlayActivity.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -17,9 +17,10 @@
 */
 package org.oscim.android.test;

+import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.widget.Toast;
-
+import org.oscim.android.canvas.AndroidBitmap;
 import org.oscim.backend.canvas.Bitmap;
 import org.oscim.core.GeoPoint;
 import org.oscim.event.Gesture;
@@ -39,8 +40,6 @@ import org.oscim.tiling.source.bitmap.DefaultSources;
 import java.util.ArrayList;
 import java.util.List;

-import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
-
 public class MarkerOverlayActivity extends MapActivity
        implements ItemizedLayer.OnItemGestureListener<MarkerItem> {

@@ -64,14 +63,14 @@ public class MarkerOverlayActivity extends MapActivity
                .build();
        mMap.layers().add(new BitmapTileLayer(mMap, tileSource));

-        Bitmap bitmapPoi = drawableToBitmap(getResources().getDrawable(R.drawable.marker_poi));
+        Bitmap bitmapPoi = new AndroidBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.marker_poi));
        MarkerSymbol symbol;
        if (BILLBOARDS)
            symbol = new MarkerSymbol(bitmapPoi, HotspotPlace.BOTTOM_CENTER);
        else
            symbol = new MarkerSymbol(bitmapPoi, HotspotPlace.CENTER, false);

-        Bitmap bitmapFocus = drawableToBitmap(getResources().getDrawable(R.drawable.marker_focus));
+        Bitmap bitmapFocus = new AndroidBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.marker_focus));
        if (BILLBOARDS)
            mFocusMarker = new MarkerSymbol(bitmapFocus, HotspotPlace.BOTTOM_CENTER);
        else
--- a/vtm-android-example/src/org/oscim/android/test/MultiMapViewActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/MultiMapViewActivity.java
@@ -1,91 +0,0 @@
-/*
- * Copyright 2016 Marvin W
- * Copyright 2016-2017 devemux86
- *
- * 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.android.test;
-
-import android.app.Activity;
-import android.os.Bundle;
-
-import org.oscim.android.MapPreferences;
-import org.oscim.android.MapView;
-import org.oscim.layers.tile.buildings.BuildingLayer;
-import org.oscim.layers.tile.vector.VectorTileLayer;
-import org.oscim.layers.tile.vector.labeling.LabelLayer;
-import org.oscim.map.Map;
-import org.oscim.theme.VtmThemes;
-import org.oscim.tiling.TileSource;
-import org.oscim.tiling.source.OkHttpEngine;
-import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
-
-public class MultiMapViewActivity extends Activity {
-    private MapView mMapView1, mMapView2;
-    private MapPreferences mPrefs1, mPrefs2;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_map_multi);
-
-        setTitle(getClass().getSimpleName());
-
-        // 1st map view
-        mMapView1 = (MapView) findViewById(R.id.mapView1);
-        Map map1 = mMapView1.map();
-        mPrefs1 = new MapPreferences(MultiMapViewActivity.class.getName() + "1", this);
-        TileSource tileSource1 = OSciMap4TileSource.builder()
-                .httpFactory(new OkHttpEngine.OkHttpFactory())
-                .build();
-        VectorTileLayer baseLayer1 = map1.setBaseMap(tileSource1);
-        map1.layers().add(new BuildingLayer(map1, baseLayer1));
-        map1.layers().add(new LabelLayer(map1, baseLayer1));
-        map1.setTheme(VtmThemes.DEFAULT);
-
-        // 2nd map view
-        mMapView2 = (MapView) findViewById(R.id.mapView2);
-        Map map2 = mMapView2.map();
-        mPrefs2 = new MapPreferences(MultiMapViewActivity.class.getName() + "2", this);
-        TileSource tileSource2 = OSciMap4TileSource.builder()
-                .httpFactory(new OkHttpEngine.OkHttpFactory())
-                .build();
-        VectorTileLayer baseLayer2 = map2.setBaseMap(tileSource2);
-        map2.layers().add(new BuildingLayer(map2, baseLayer2));
-        map2.layers().add(new LabelLayer(map2, baseLayer2));
-        map2.setTheme(VtmThemes.DEFAULT);
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        mPrefs1.load(mMapView1.map());
-        mMapView1.onResume();
-
-        mPrefs2.load(mMapView2.map());
-        mMapView2.onResume();
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-
-        mMapView1.onPause();
-        mPrefs1.save(mMapView1.map());
-
-        mMapView2.onPause();
-        mPrefs2.save(mMapView2.map());
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/OSciMapS3DBActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/OSciMapS3DBActivity.java
@@ -1,72 +0,0 @@
-/*
- * Copyright 2016-2017 devemux86
- *
- * 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.android.test;
-
-import android.os.Bundle;
-
-import org.oscim.android.cache.TileCache;
-import org.oscim.layers.tile.TileLayer;
-import org.oscim.layers.tile.buildings.S3DBTileLayer;
-import org.oscim.layers.tile.vector.labeling.LabelLayer;
-import org.oscim.theme.VtmThemes;
-import org.oscim.tiling.TileSource;
-import org.oscim.tiling.source.OkHttpEngine;
-import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
-
-public class OSciMapS3DBActivity extends BaseMapActivity {
-
-    TileCache mS3dbCache;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mMap.setTheme(VtmThemes.DEFAULT);
-
-        TileSource ts = OSciMap4TileSource.builder()
-                .httpFactory(new OkHttpEngine.OkHttpFactory())
-                .url("http://opensciencemap.org/tiles/s3db")
-                .zoomMin(16)
-                .zoomMax(16)
-                .build();
-
-        if (USE_CACHE) {
-            mS3dbCache = new TileCache(this, null, "s3db.db");
-            mS3dbCache.setCacheSize(512 * (1 << 10));
-            ts.setCache(mS3dbCache);
-        }
-        TileLayer tl = new S3DBTileLayer(mMap, ts, true, false);
-        mMap.layers().add(tl);
-        mMap.layers().add(new LabelLayer(mMap, mBaseLayer));
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-
-        if (mS3dbCache != null)
-            mS3dbCache.dispose();
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        /* ignore saved position */
-        mMap.setMapPosition(53.5620092, 9.9866457, 1 << 16);
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/POTTextureActivity.java
@@ -1,36 +0,0 @@
-/*
- * Copyright 2017-2018 devemux86
- *
- * 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.android.test;
-
-import android.os.Bundle;
-
-import org.oscim.utils.Parameters;
-
-public class POTTextureActivity extends SimpleMapActivity {
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        Parameters.POT_TEXTURES = true;
-
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-
-        Parameters.POT_TEXTURES = false;
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/PoiSearchActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/PoiSearchActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2018 devemux86
+ * Copyright 2017-2019 devemux86
 * Copyright 2018 Gustl22
 *
 * This program is free software: you can redistribute it and/or modify it under the
@@ -17,6 +17,7 @@ package org.oscim.android.test;

 import android.content.Context;
 import android.content.Intent;
+import android.graphics.BitmapFactory;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.text.Editable;
@@ -25,20 +26,11 @@ import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ListView;
-import android.widget.Toast;
-import android.widget.ToggleButton;
-
+import android.widget.*;
 import org.mapsforge.core.model.Tag;
 import org.mapsforge.poi.android.storage.AndroidPoiPersistenceManagerFactory;
-import org.mapsforge.poi.storage.ExactMatchPoiCategoryFilter;
-import org.mapsforge.poi.storage.PoiCategoryFilter;
-import org.mapsforge.poi.storage.PoiCategoryManager;
-import org.mapsforge.poi.storage.PoiPersistenceManager;
-import org.mapsforge.poi.storage.PointOfInterest;
+import org.mapsforge.poi.storage.*;
+import org.oscim.android.canvas.AndroidBitmap;
 import org.oscim.android.filepicker.FilePicker;
 import org.oscim.android.filepicker.FilterByFileExtension;
 import org.oscim.backend.canvas.Bitmap;
@@ -60,8 +52,6 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;

-import static org.oscim.android.canvas.AndroidGraphics.drawableToBitmap;
-
 /**
 * POI search.<br/>
 * Long press on map to search inside visible bounding box.<br/>
@@ -162,7 +152,7 @@ public class PoiSearchActivity extends MapsforgeActivity implements ItemizedLaye
            String file = intent.getStringExtra(FilePicker.SELECTED_FILE);
            mPersistenceManager = AndroidPoiPersistenceManagerFactory.getPoiPersistenceManager(file);

-            Bitmap bitmap = drawableToBitmap(getResources().getDrawable(R.drawable.marker_green));
+            Bitmap bitmap = new AndroidBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.marker_green));
            MarkerSymbol symbol = new MarkerSymbol(bitmap, MarkerSymbol.HotspotPlace.BOTTOM_CENTER);
            mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
            mMap.layers().add(mMarkerLayer);
--- a/vtm-android-example/src/org/oscim/android/test/RotateMarkerOverlayActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/RotateMarkerOverlayActivity.java
@@ -1,78 +0,0 @@
-/*
- * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2017 devemux86
- * Copyright 2017 Longri
- *
- * 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.android.test;
-
-import android.widget.Toast;
-
-import org.oscim.layers.marker.MarkerItem;
-
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.concurrent.atomic.AtomicInteger;
-
-public class RotateMarkerOverlayActivity extends MarkerOverlayActivity {
-
-    private Timer timer;
-    private int markerCount = 0;
-
-    private void itemEvent(final MarkerItem item) {
-        if (item.getMarker() == null) {
-            item.setMarker(mFocusMarker);
-            markerCount++;
-            final AtomicInteger rotValue = new AtomicInteger(0);
-            if (timer != null)
-                timer.cancel();
-            timer = new Timer();
-            TimerTask timerTask = new TimerTask() {
-                @Override
-                public void run() {
-                    float value = (float) (rotValue.incrementAndGet() * 10);
-                    item.setRotation(value);
-                    if (rotValue.get() > 36)
-                        rotValue.set(0);
-                    mMarkerLayer.update();
-                    mMap.updateMap(true);
-                }
-            };
-            timer.schedule(timerTask, 1000, 1000);
-
-        } else {
-            item.setMarker(null);
-            markerCount--;
-            if (timer != null && markerCount == 0)
-                timer.cancel();
-        }
-    }
-
-    @Override
-    public boolean onItemSingleTapUp(int index, MarkerItem item) {
-        itemEvent(item);
-
-        Toast.makeText(this, "Marker tap\n" + item.getTitle(), Toast.LENGTH_SHORT).show();
-        return true;
-    }
-
-    @Override
-    public boolean onItemLongPress(int index, MarkerItem item) {
-        itemEvent(item);
-
-        Toast.makeText(this, "Marker long press\n" + item.getTitle(), Toast.LENGTH_SHORT).show();
-        return true;
-    }
-}
--- a/vtm-android-example/src/org/oscim/android/test/Samples.java
+++ b/vtm-android-example/src/org/oscim/android/test/Samples.java
@@ -9,6 +9,7 @@
 * Copyright 2018 boldtrn
 * Copyright 2018-2019 Gustl22
 * Copyright 2019 Andrea Antonello
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -88,12 +89,13 @@ public class Samples extends Activity {
        linearLayout.addView(createLabel(null));
        linearLayout.addView(createButton(SimpleMapActivity.class));
        linearLayout.addView(createButton(MapsforgeActivity.class));
+        linearLayout.addView(createButton(MBTilesMvtActivity.class));
        linearLayout.addView(createButton(MapilionMvtActivity.class));
        /*linearLayout.addView(createButton(MapzenMvtActivity.class));
-        linearLayout.addView(createButton(MapzenGeojsonActivity.class));*/
+        linearLayout.addView(createButton(MapzenGeojsonActivity.class));
        linearLayout.addView(createButton(NextzenMvtActivity.class));
        linearLayout.addView(createButton(NextzenGeojsonActivity.class));
-        linearLayout.addView(createButton(OpenMapTilesMvtActivity.class));
+        linearLayout.addView(createButton(OpenMapTilesMvtActivity.class));*/
        linearLayout.addView(createButton(GdxActivity.class));

        linearLayout.addView(createLabel("Features"));
@@ -110,37 +112,25 @@ public class Samples extends Activity {
        linearLayout.addView(createLabel("Vector Features"));
        linearLayout.addView(createButton(MapsforgeStyleActivity.class));
        linearLayout.addView(createButton(MapsforgeS3DBActivity.class));
-        linearLayout.addView(createButton(AtlasThemeActivity.class));
-        linearLayout.addView(createButton(POTTextureActivity.class));
        linearLayout.addView(createButton(ShadowActivity.class));

        linearLayout.addView(createLabel("Raster Maps"));
        linearLayout.addView(createButton(BitmapTileActivity.class));
-        linearLayout.addView(createButton(MBTilesBitmapTileActivity.class));
+        linearLayout.addView(createButton(MBTilesBitmapActivity.class));

        linearLayout.addView(createLabel("Overlays"));
        linearLayout.addView(createButton(MarkerOverlayActivity.class));
-        linearLayout.addView(createButton(RotateMarkerOverlayActivity.class));
-        linearLayout.addView(createButton(AtlasMarkerOverlayActivity.class));
-        linearLayout.addView(createButton(AtlasMultiTextureActivity.class));
-        linearLayout.addView(createButton(ClusterMarkerOverlayActivity.class));
        linearLayout.addView(createButton(PathOverlayActivity.class));
        linearLayout.addView(createButton(LineTexActivity.class));
        linearLayout.addView(createButton(VectorLayerActivity.class));
-
-        linearLayout.addView(createLabel("User Interaction"));
-        linearLayout.addView(createButton(MapEventLayer2Activity.class));
-        linearLayout.addView(createButton(LayerGroupActivity.class));
-
-        linearLayout.addView(createLabel("Dual Map Views"));
-        linearLayout.addView(createButton(MultiMapViewActivity.class));
+        linearLayout.addView(createButton(AtlasMultiTextureActivity.class));

        linearLayout.addView(createLabel("Experiments"));
        linearLayout.addView(createButton(ReverseGeocodeActivity.class));
-        linearLayout.addView(createButton(OSciMapS3DBActivity.class));
        linearLayout.addView(createButton(ThemeStylerActivity.class));
        linearLayout.addView(createButton(JeoIndoorActivity.class));
        linearLayout.addView(createButton(GdxPoi3DActivity.class));
        linearLayout.addView(createButton(OverpassActivity.class));
+        linearLayout.addView(createButton(ClusterMarkerOverlayActivity.class));
    }
 }
--- a/vtm-android-gdx/build.gradle
+++ b/vtm-android-gdx/build.gradle
@@ -16,8 +16,8 @@ android {
    }

    defaultConfig {
-        versionCode versionCode()
-        versionName versionName()
+        versionCode project.versionCode()
+        versionName project.versionName()
        minSdkVersion androidMinSdk()
        targetSdkVersion androidTargetSdk()
    }
--- a/vtm-android-gdx/natives/arm64-v8a/lib/arm64-v8a/libgdx.so
+++ b/vtm-android-gdx/natives/arm64-v8a/lib/arm64-v8a/libgdx.so
--- a/vtm-android-gdx/natives/armeabi-v7a/lib/armeabi-v7a/libgdx.so
+++ b/vtm-android-gdx/natives/armeabi-v7a/lib/armeabi-v7a/libgdx.so
--- a/vtm-android-gdx/natives/armeabi/lib/armeabi/libgdx.so
+++ b/vtm-android-gdx/natives/armeabi/lib/armeabi/libgdx.so
--- a/vtm-android-gdx/natives/x86/lib/x86/libgdx.so
+++ b/vtm-android-gdx/natives/x86/lib/x86/libgdx.so
--- a/vtm-android-gdx/natives/x86_64/lib/x86_64/libgdx.so
+++ b/vtm-android-gdx/natives/x86_64/lib/x86_64/libgdx.so
--- a/vtm-android-mvt/AndroidManifest.xml
+++ b/vtm-android-mvt/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<manifest package="org.oscim.android.mvt" />
--- a/vtm-android-mvt/build.gradle
+++ b/vtm-android-mvt/build.gradle
@@ -0,0 +1,55 @@
+apply plugin: 'com.android.library'
+apply plugin: 'com.github.dcendents.android-maven'
+
+dependencies {
+    api project(':vtm-android')
+    api project(':vtm-mvt')
+}
+
+android {
+    compileSdkVersion androidCompileSdk()
+    buildToolsVersion "$androidBuildVersionTools"
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    defaultConfig {
+        versionCode project.versionCode()
+        versionName project.versionName()
+        minSdkVersion androidMinSdk()
+        targetSdkVersion androidTargetSdk()
+    }
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = ['src']
+        }
+        debug.setRoot('build-types/debug')
+        release.setRoot('build-types/release')
+    }
+
+    lintOptions { abortOnError false }
+}
+
+android.libraryVariants.all { variant ->
+    def name = variant.buildType.name
+    if (name == "debug")
+        return
+
+    def jar = project.tasks.create "jar${name.capitalize()}", Jar
+    jar.dependsOn variant.javaCompileProvider
+    jar.exclude '**/BuildConfig.class'
+    jar.exclude '**/R.class'
+    jar.exclude '**/R$*.class'
+    jar.from variant.javaCompileProvider.get().destinationDir
+    artifacts.add('archives', jar)
+}
+
+if (project.hasProperty("SONATYPE_USERNAME")) {
+    afterEvaluate {
+        project.apply from: "${rootProject.projectDir}/deploy.gradle"
+    }
+}
--- a/vtm-android-mvt/src/org/oscim/android/mvt/tiling/source/mbtiles/MBTilesMvtTileDataSource.java
+++ b/vtm-android-mvt/src/org/oscim/android/mvt/tiling/source/mbtiles/MBTilesMvtTileDataSource.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright 2019 Kostas Tzounopoulos
+ *
+ * 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.android.mvt.tiling.source.mbtiles;
+
+import android.database.Cursor;
+import org.oscim.android.tiling.source.mbtiles.MBTilesTileDataSource;
+import org.oscim.android.tiling.source.mbtiles.MBTilesUnsupportedException;
+import org.oscim.core.MercatorProjection;
+import org.oscim.layers.tile.MapTile;
+import org.oscim.tiling.ITileDataSink;
+import org.oscim.tiling.OverzoomDataSink;
+import org.oscim.tiling.QueryResult;
+import org.oscim.tiling.source.mvt.TileDecoder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+import java.util.zip.GZIPInputStream;
+
+/**
+ * A tile data source for MBTiles vector databases.
+ */
+public class MBTilesMvtTileDataSource extends MBTilesTileDataSource {
+
+    private static final Logger log = LoggerFactory.getLogger(MBTilesMvtTileDataSource.class);
+
+    private static final List<String> SUPPORTED_FORMATS = Collections.singletonList("pbf");
+    private static final String WHERE_FORMAT = "zoom_level=%d AND tile_column=%d AND tile_row=%d";
+
+    private final String mLanguage;
+
+    private final ThreadLocal<TileDecoder> mThreadLocalDecoders = new ThreadLocal<TileDecoder>() {
+        @Override
+        protected TileDecoder initialValue() {
+            return new TileDecoder(mLanguage);
+        }
+    };
+
+    /**
+     * Create a tile data source for MBTiles vector databases.
+     *
+     * @param path     the path to the MBTiles database.
+     * @param language the language to use when rendering the MBTiles.
+     */
+    public MBTilesMvtTileDataSource(String path, String language) {
+        super(path);
+        mLanguage = language != null ? language : "en";
+
+        try {
+            assertDatabaseFormat();
+        } catch (MBTilesUnsupportedException e) {
+            log.error("Invalid MBTiles database", e);
+        }
+    }
+
+    @Override
+    public void cancel() {
+        // do nothing
+    }
+
+    @Override
+    public void dispose() {
+        if (mDatabase != null && mDatabase.isOpen())
+            mDatabase.close();
+    }
+
+    @Override
+    public List<String> getSupportedFormats() {
+        return SUPPORTED_FORMATS;
+    }
+
+    private MapTile mapTile(Cursor cursor) {
+        int tileX = cursor.getInt(cursor.getColumnIndexOrThrow("tile_column"));
+        int tileY = cursor.getInt(cursor.getColumnIndexOrThrow("tile_row"));
+        int zoomLevel = cursor.getInt(cursor.getColumnIndexOrThrow("zoom_level"));
+        long tmsTileY = MercatorProjection.tileYToTMS(tileY, (byte) zoomLevel);
+        return new MapTile(tileX, (int) tmsTileY, zoomLevel);
+    }
+
+    /**
+     * Overzoom on the DB layer: generate a query for all tiles with lower zoomLevel than the one requested.
+     */
+    private String overzoomQuery(MapTile tile) {
+        long tmsTileY = MercatorProjection.tileYToTMS(tile.tileY, tile.zoomLevel);
+        StringBuilder sb = new StringBuilder();
+        sb.append("(");
+        for (int zoomLevel = tile.zoomLevel - 1; zoomLevel > 0; zoomLevel--) {
+            int diff = tile.zoomLevel - zoomLevel;
+            sb.append(String.format(Locale.US, WHERE_FORMAT, zoomLevel, tile.tileX >> diff, tmsTileY >> diff));
+            if (zoomLevel > 1) // Not the last iteration
+                sb.append(") OR (");
+        }
+        sb.append(")");
+        return String.format(SELECT_TILES_FORMAT, sb.toString());
+    }
+
+    @Override
+    public void query(MapTile requestTile, ITileDataSink requestDataSink) {
+        Cursor cursor = null;
+        ITileDataSink responseDataSink = requestDataSink;
+        try {
+            long tmsTileY = MercatorProjection.tileYToTMS(requestTile.tileY, requestTile.zoomLevel);
+            cursor = mDatabase.rawQuery(String.format(SELECT_TILES_FORMAT, String.format(Locale.US, WHERE_FORMAT, requestTile.zoomLevel, requestTile.tileX, tmsTileY)), null);
+
+            if (cursor.getCount() == 0) {
+                cursor.close();
+                cursor = mDatabase.rawQuery(overzoomQuery(requestTile), null);
+            }
+
+            if (cursor.moveToFirst()) {
+                byte[] bytes = cursor.getBlob(cursor.getColumnIndexOrThrow("tile_data"));
+
+                MapTile responseTile = mapTile(cursor);
+                if (requestTile.zoomLevel != responseTile.zoomLevel)
+                    responseDataSink = new OverzoomDataSink(requestDataSink, responseTile, requestTile);
+
+                boolean success = mThreadLocalDecoders.get().decode(responseTile, responseDataSink, new GZIPInputStream(new ByteArrayInputStream(bytes)));
+                responseDataSink.completed(success ? QueryResult.SUCCESS : QueryResult.FAILED);
+            } else
+                responseDataSink.completed(QueryResult.TILE_NOT_FOUND);
+        } catch (IOException e) {
+            responseDataSink.completed(QueryResult.FAILED);
+        } finally {
+            if (cursor != null)
+                cursor.close();
+        }
+    }
+}
--- a/vtm-android-mvt/src/org/oscim/android/mvt/tiling/source/mbtiles/MBTilesMvtTileSource.java
+++ b/vtm-android-mvt/src/org/oscim/android/mvt/tiling/source/mbtiles/MBTilesMvtTileSource.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 Kostas Tzounopoulos
+ *
+ * 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.android.mvt.tiling.source.mbtiles;
+
+import org.oscim.android.tiling.source.mbtiles.MBTilesTileSource;
+
+/**
+ * A tile source for MBTiles vector databases.
+ */
+public class MBTilesMvtTileSource extends MBTilesTileSource {
+
+    /**
+     * Create a tile source for MBTiles vector databases.
+     *
+     * @param path the path to the MBTiles database.
+     */
+    public MBTilesMvtTileSource(String path) {
+        this(path, null);
+    }
+
+    /**
+     * Create a tile source for MBTiles vector databases.
+     *
+     * @param path     the path to the MBTiles database.
+     * @param language the language to use when rendering the MBTiles.
+     */
+    public MBTilesMvtTileSource(String path, String language) {
+        super(new MBTilesMvtTileDataSource(path, language));
+    }
+}
--- a/vtm-android/build.gradle
+++ b/vtm-android/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'com.github.dcendents.android-maven'

 dependencies {
    api project(':vtm')
-    api 'com.caverock:androidsvg:1.3'
+    api 'com.caverock:androidsvg:1.4'
 }

 android {
@@ -16,8 +16,8 @@ android {
    }

    defaultConfig {
-        versionCode versionCode()
-        versionName versionName()
+        versionCode project.versionCode()
+        versionName project.versionName()
        minSdkVersion androidMinSdk()
        targetSdkVersion androidTargetSdk()
    }
--- a/vtm-android/src/org/oscim/android/MapView.java
+++ b/vtm-android/src/org/oscim/android/MapView.java
@@ -65,12 +65,21 @@ public class MapView extends GLSurfaceView {
    private static final Pattern GL_PATTERN = Pattern.compile("OpenGL ES (\\d(\\.\\d){0,2})");

    /**
-     * Target OpenGL ES version, if not available fall back to OpenGL ES 2.0
+     * OpenGL ES 2.0 default on Android for performance / stability.
+     * Any larger not available versions fall back to OpenGL ES 2.0.
     */
-    public static double targetGLESVersion = 3.0;
+    public static double OPENGL_VERSION = 2.0;

    private static void init() {
-        System.loadLibrary("vtm-jni");
+        if (Parameters.THREADED_INIT)
+            new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    System.loadLibrary("vtm-jni");
+                }
+            }).start();
+        else
+            System.loadLibrary("vtm-jni");
    }

    protected AndroidMap mMap;
@@ -125,16 +134,20 @@ public class MapView extends GLSurfaceView {
        mMap = new AndroidMap(this);

        /* Initialize Renderer */
-        // OpenGL ES 3.0 is supported with Android 4.3 (API level 18) and higher
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-            try {
-                setEGLContextFactory(new GlContextFactory());
-            } catch (Throwable t) {
-                log.error("Falling back to GLES 2", t);
-                setEGLContextClientVersion(2);
-            }
-        } else
+        if (OPENGL_VERSION == 2.0)
            setEGLContextClientVersion(2);
+        else {
+            // OpenGL ES 3.0 is supported with Android 4.3 (API level 18) and higher
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                try {
+                    setEGLContextFactory(new GlContextFactory());
+                } catch (Throwable t) {
+                    log.error("Falling back to GLES 2", t);
+                    setEGLContextClientVersion(2);
+                }
+            } else
+                setEGLContextClientVersion(2);
+        }
        setEGLConfigChooser(new GlConfigChooser());

        if (GLAdapter.debug)
@@ -346,23 +359,27 @@ public class MapView extends GLSurfaceView {

        @Override
        public void onSurfaceCreated(GL10 gl, EGLConfig config) {
-            try {
-                // Create a minimum supported OpenGL ES context, then check:
-                String versionString = gl.glGetString(GL10.GL_VERSION);
-                log.info("Version: " + versionString);
-                // The version format is displayed as: "OpenGL ES <major>.<minor>"
-                // followed by optional content provided by the implementation.
-
-                // OpenGL<space>ES<space><version number><space><vendor-specific information>.
-                int[] version = extractVersion(versionString);
-                int majorVersion = version[0];
-                if (majorVersion >= 3)
-                    GLAdapter.init(new AndroidGL30());
-                else
-                    GLAdapter.init(new AndroidGL());
-            } catch (Throwable t) {
-                log.error("Falling back to GLES 2", t);
+            if (OPENGL_VERSION == 2.0)
                GLAdapter.init(new AndroidGL());
+            else {
+                try {
+                    // Create a minimum supported OpenGL ES context, then check:
+                    String versionString = gl.glGetString(GL10.GL_VERSION);
+                    log.info("Version: " + versionString);
+                    // The version format is displayed as: "OpenGL ES <major>.<minor>"
+                    // followed by optional content provided by the implementation.
+
+                    // OpenGL<space>ES<space><version number><space><vendor-specific information>.
+                    int[] version = extractVersion(versionString);
+                    int majorVersion = Math.min(version[0], (int) OPENGL_VERSION);
+                    if (majorVersion >= 3)
+                        GLAdapter.init(new AndroidGL30());
+                    else
+                        GLAdapter.init(new AndroidGL());
+                } catch (Throwable t) {
+                    log.error("Falling back to GLES 2", t);
+                    GLAdapter.init(new AndroidGL());
+                }
            }

            super.onSurfaceCreated();
--- a/vtm-android/src/org/oscim/android/canvas/AndroidCanvas.java
+++ b/vtm-android/src/org/oscim/android/canvas/AndroidCanvas.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2013 Hannes Janetzek
- * Copyright 2016-2017 devemux86
+ * Copyright 2016-2019 devemux86
 * Copyright 2017 nebular
 * Copyright 2017 Longri
 *
@@ -21,8 +21,8 @@ package org.oscim.android.canvas;

 import android.graphics.Color;
 import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
 import android.graphics.RectF;
-
 import org.oscim.backend.canvas.Bitmap;
 import org.oscim.backend.canvas.Canvas;
 import org.oscim.backend.canvas.Paint;
@@ -93,6 +93,7 @@ public class AndroidCanvas implements Canvas {
        RectF rect = new RectF(x, y, x + width, y + height);
        android.graphics.Paint paint = new android.graphics.Paint();
        paint.setColor(color);
+        paint.setXfermode(new PorterDuffXfermode(color == Color.TRANSPARENT ? PorterDuff.Mode.CLEAR : PorterDuff.Mode.SRC_OVER));
        canvas.drawRect(rect, paint);
    }

--- a/vtm-android/src/org/oscim/android/canvas/AndroidGraphics.java
+++ b/vtm-android/src/org/oscim/android/canvas/AndroidGraphics.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2010, 2011, 2012 mapsforge.org
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 * Copyright 2017 Longri
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -22,7 +22,7 @@ import android.content.res.Resources;
 import android.graphics.Bitmap.Config;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
-
+import android.os.Build;
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.backend.Platform;
 import org.oscim.backend.canvas.Bitmap;
@@ -90,7 +90,7 @@ public final class AndroidGraphics extends CanvasAdapter {

    //-------------------------------------
    public static Bitmap drawableToBitmap(Drawable drawable) {
-        if (drawable instanceof BitmapDrawable) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && drawable instanceof BitmapDrawable) {
            return new AndroidBitmap(((BitmapDrawable) drawable).getBitmap());
        }

--- a/vtm-android/src/org/oscim/android/gl/GlContextFactory.java
+++ b/vtm-android/src/org/oscim/android/gl/GlContextFactory.java
@@ -28,7 +28,6 @@
 package org.oscim.android.gl;

 import android.opengl.GLSurfaceView;
-
 import org.oscim.android.MapView;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -51,18 +50,18 @@ public class GlContextFactory implements GLSurfaceView.EGLContextFactory {

    @Override
    public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig) {
-        log.info("creating OpenGL ES " + MapView.targetGLESVersion + " context");
-        checkEglError("Before eglCreateContext " + MapView.targetGLESVersion, egl);
-        int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, (int) MapView.targetGLESVersion, EGL10.EGL_NONE};
+        log.info("creating OpenGL ES " + MapView.OPENGL_VERSION + " context");
+        checkEglError("Before eglCreateContext " + MapView.OPENGL_VERSION, egl);
+        int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, (int) MapView.OPENGL_VERSION, EGL10.EGL_NONE};
        EGLContext context = egl.eglCreateContext(display, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
-        boolean success = checkEglError("After eglCreateContext " + MapView.targetGLESVersion, egl);
+        boolean success = checkEglError("After eglCreateContext " + MapView.OPENGL_VERSION, egl);

-        if ((!success || context == null) && MapView.targetGLESVersion > 2) {
+        if ((!success || context == null) && MapView.OPENGL_VERSION > 2) {
            log.warn("Falling back to GLES 2");
-            MapView.targetGLESVersion = 2.0;
+            MapView.OPENGL_VERSION = 2.0;
            return createContext(egl, display, eglConfig);
        }
-        log.info("Returning a GLES " + MapView.targetGLESVersion + " context");
+        log.info("Returning a GLES " + MapView.OPENGL_VERSION + " context");
        return context;
    }

--- a/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesBitmapTileDataSource.java
+++ b/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesBitmapTileDataSource.java
@@ -1,6 +1,7 @@
 /*
 * Copyright 2019 Andrea Antonello
 * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * 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
@@ -16,144 +17,70 @@
 package org.oscim.android.tiling.source.mbtiles;

 import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.backend.canvas.Bitmap;
-import org.oscim.core.BoundingBox;
 import org.oscim.core.MercatorProjection;
 import org.oscim.layers.tile.MapTile;
-import org.oscim.map.Viewport;
 import org.oscim.tiling.ITileDataSink;
-import org.oscim.tiling.ITileDataSource;
 import org.oscim.tiling.QueryResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.Arrays;
+import java.util.List;

 /**
 * A tile data source for MBTiles raster databases.
 */
-public class MBTilesBitmapTileDataSource implements ITileDataSource {
+public class MBTilesBitmapTileDataSource extends MBTilesTileDataSource {

    private static final Logger log = LoggerFactory.getLogger(MBTilesBitmapTileDataSource.class);

-    private static final String TABLE_TILES = "tiles";
-    private static final String COL_TILES_ZOOM_LEVEL = "zoom_level";
-    private static final String COL_TILES_TILE_COLUMN = "tile_column";
-    private static final String COL_TILES_TILE_ROW = "tile_row";
-    private static final String COL_TILES_TILE_DATA = "tile_data";
-    private static final String SELECT_TILES = "SELECT " + COL_TILES_TILE_DATA + " from " + TABLE_TILES + " where "
-            + COL_TILES_ZOOM_LEVEL + "=? AND " + COL_TILES_TILE_COLUMN + "=? AND " + COL_TILES_TILE_ROW + "=?";
-
-    private static final String TABLE_METADATA = "metadata";
-    private static final String COL_METADATA_NAME = "name";
-    private static final String COL_METADATA_VALUE = "value";
-    private static final String SELECT_METADATA = "select " + COL_METADATA_NAME + "," + COL_METADATA_VALUE + " from "
-            + TABLE_METADATA;
+    private static final List<String> SUPPORTED_FORMATS = Arrays.asList("png", "jpg", "jpeg");

    private final Integer mAlpha;
-    private final SQLiteDatabase mDatabase;
-    private Map<String, String> mMetadata;
    private final Integer mTransparentColor;

    /**
-     * Create a MBTiles tile data source.
+     * Create a tile data source for MBTiles raster databases.
     *
     * @param path             the path to the MBTiles database.
     * @param alpha            an optional alpha value [0-255] to make the tiles transparent.
     * @param transparentColor an optional color that will be made transparent in the bitmap.
     */
-    MBTilesBitmapTileDataSource(String path, Integer alpha, Integer transparentColor) {
-        mDatabase = SQLiteDatabase.openDatabase(path, null, SQLiteDatabase.OPEN_READONLY);
+    public MBTilesBitmapTileDataSource(String path, Integer alpha, Integer transparentColor) {
+        super(path);
        mAlpha = alpha;
        mTransparentColor = transparentColor;
+
+        try {
+            assertDatabaseFormat();
+        } catch (MBTilesUnsupportedException e) {
+            log.error("Invalid MBTiles database", e);
+        }
    }

    @Override
    public void cancel() {
-        mDatabase.close();
+        if (mDatabase != null && mDatabase.isOpen())
+            mDatabase.close();
    }

    @Override
    public void dispose() {
-        mDatabase.close();
+        if (mDatabase != null && mDatabase.isOpen())
+            mDatabase.close();
    }

-    String getAttribution() {
-        return getMetadata().get("attribution");
-    }
-
-    BoundingBox getBounds() {
-        String bounds = getMetadata().get("bounds");
-        if (bounds != null) {
-            String[] split = bounds.split(",");
-            double w = Double.parseDouble(split[0]);
-            double s = Double.parseDouble(split[1]);
-            double e = Double.parseDouble(split[2]);
-            double n = Double.parseDouble(split[3]);
-            return new BoundingBox(s, w, n, e);
-        }
-        return null;
-    }
-
-    public String getDescription() {
-        return getMetadata().get("description");
-    }
-
-    /**
-     * @return the image format (jpg, png)
-     */
-    public String getFormat() {
-        return getMetadata().get("format");
-    }
-
-    int getMaxZoom() {
-        String maxZoom = getMetadata().get("maxzoom");
-        if (maxZoom != null)
-            return Integer.parseInt(maxZoom);
-        return Viewport.MAX_ZOOM_LEVEL;
-    }
-
-    private Map<String, String> getMetadata() {
-        if (mMetadata == null) {
-            mMetadata = new HashMap<>();
-            Cursor cursor = null;
-            try {
-                cursor = mDatabase.rawQuery(SELECT_METADATA, null);
-                while (cursor.moveToNext()) {
-                    String key = cursor.getString(0);
-                    String value = cursor.getString(1);
-                    mMetadata.put(key, value);
-                }
-            } finally {
-                if (cursor != null)
-                    cursor.close();
-            }
-        }
-        return mMetadata;
-    }
-
-    int getMinZoom() {
-        String minZoom = getMetadata().get("minzoom");
-        if (minZoom != null)
-            return Integer.parseInt(minZoom);
-        return Viewport.MIN_ZOOM_LEVEL;
-    }
-
-    String getName() {
-        return getMetadata().get("name");
-    }
-
-    public String getVersion() {
-        return getMetadata().get("version");
+    @Override
+    public List<String> getSupportedFormats() {
+        return SUPPORTED_FORMATS;
    }

    private static android.graphics.Bitmap processAlpha(android.graphics.Bitmap bitmap, int alpha) {
@@ -216,9 +143,9 @@ public class MBTilesBitmapTileDataSource implements ITileDataSource {
        Cursor cursor = null;
        try {
            long tmsTileY = MercatorProjection.tileYToTMS(tileY, zoomLevel);
-            cursor = mDatabase.rawQuery(SELECT_TILES, new String[]{String.valueOf(zoomLevel), String.valueOf(tileX), String.valueOf(tmsTileY)});
+            cursor = mDatabase.rawQuery(String.format(MBTilesTileDataSource.SELECT_TILES_FORMAT, MBTilesTileDataSource.WHERE_FORMAT), new String[]{String.valueOf(zoomLevel), String.valueOf(tileX), String.valueOf(tmsTileY)});
            if (cursor.moveToFirst())
-                return cursor.getBlob(0);
+                return cursor.getBlob(cursor.getColumnIndexOrThrow("tile_data"));
        } finally {
            if (cursor != null)
                cursor.close();
--- a/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesBitmapTileSource.java
+++ b/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesBitmapTileSource.java
@@ -1,6 +1,7 @@
 /*
 * Copyright 2019 Andrea Antonello
 * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * 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
@@ -15,19 +16,13 @@
 */
 package org.oscim.android.tiling.source.mbtiles;

-import org.oscim.core.BoundingBox;
-import org.oscim.tiling.ITileDataSource;
-import org.oscim.tiling.TileSource;
-
 /**
 * A tile source for MBTiles raster databases.
 */
-public class MBTilesBitmapTileSource extends TileSource {
-
-    private final MBTilesBitmapTileDataSource mTileDataSource;
+public class MBTilesBitmapTileSource extends MBTilesTileSource {

    /**
-     * Create a MBTiles tile source.
+     * Create a tile source for MBTiles raster databases.
     *
     * @param path the path to the MBTiles database.
     */
@@ -36,64 +31,13 @@ public class MBTilesBitmapTileSource extends TileSource {
    }

    /**
-     * Create a MBTiles tile source.
+     * Create a tile source for MBTiles raster databases.
     *
     * @param path             the path to the MBTiles database.
     * @param alpha            an optional alpha value [0-255] to make the tiles transparent.
     * @param transparentColor an optional color that will be made transparent in the bitmap.
     */
    public MBTilesBitmapTileSource(String path, Integer alpha, Integer transparentColor) {
-        mTileDataSource = new MBTilesBitmapTileDataSource(path, alpha, transparentColor);
-    }
-
-    @Override
-    public void close() {
-        mTileDataSource.dispose();
-    }
-
-
-    public String getAttribution() {
-        return mTileDataSource.getAttribution();
-    }
-
-    public BoundingBox getBounds() {
-        return mTileDataSource.getBounds();
-    }
-
-    @Override
-    public ITileDataSource getDataSource() {
-        return mTileDataSource;
-    }
-
-    public String getDescription() {
-        return mTileDataSource.getDescription();
-    }
-
-    /**
-     * @return the image format (jpg, png)
-     */
-    public String getFormat() {
-        return mTileDataSource.getFormat();
-    }
-
-    public int getMaxZoom() {
-        return mTileDataSource.getMaxZoom();
-    }
-
-    public int getMinZoom() {
-        return mTileDataSource.getMinZoom();
-    }
-
-    public String getName() {
-        return mTileDataSource.getName();
-    }
-
-    public String getVersion() {
-        return mTileDataSource.getVersion();
-    }
-
-    @Override
-    public OpenResult open() {
-        return OpenResult.SUCCESS;
+        super(new MBTilesBitmapTileDataSource(path, alpha, transparentColor));
    }
 }
--- a/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesTileDataSource.java
+++ b/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesTileDataSource.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2019 Andrea Antonello
+ * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
+ *
+ * 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.android.tiling.source.mbtiles;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.text.TextUtils;
+import org.oscim.core.BoundingBox;
+import org.oscim.core.MapPosition;
+import org.oscim.map.Viewport;
+import org.oscim.tiling.ITileDataSource;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * A tile data source for MBTiles databases.
+ */
+public abstract class MBTilesTileDataSource implements ITileDataSource {
+
+    private static final String SELECT_METADATA = "SELECT name, value FROM metadata";
+    protected static final String SELECT_TILES_FORMAT =
+            "SELECT zoom_level, tile_column, tile_row, tile_data " +
+                    "FROM tiles " +
+                    "WHERE %s " +
+                    "ORDER BY zoom_level DESC " +
+                    "LIMIT 1";
+    static final String WHERE_FORMAT = "zoom_level=? AND tile_column=? AND tile_row=?";
+
+    protected final SQLiteDatabase mDatabase;
+    private Map<String, String> mMetadata;
+
+    public MBTilesTileDataSource(String path) {
+        mDatabase = SQLiteDatabase.openDatabase(path, null, SQLiteDatabase.OPEN_READONLY);
+    }
+
+    protected void assertDatabaseFormat() {
+        String format = getFormat();
+
+        if (format == null)
+            throw new RuntimeException("'metadata.format' field was not found. Is this an MBTiles database?");
+
+        List<String> supportedFormats = getSupportedFormats();
+        if (!supportedFormats.contains(format))
+            throw new MBTilesUnsupportedException(String.format("Unsupported MBTiles 'metadata.format: %s'. Supported format(s) are: %s", format, TextUtils.join(", ", supportedFormats)));
+    }
+
+    public String getAttribution() {
+        return getMetadata().get("attribution");
+    }
+
+    public BoundingBox getBounds() {
+        String bounds = getMetadata().get("bounds");
+        if (bounds == null)
+            return null;
+        String[] split = bounds.split(",");
+        double w = Double.parseDouble(split[0]);
+        double s = Double.parseDouble(split[1]);
+        double e = Double.parseDouble(split[2]);
+        double n = Double.parseDouble(split[3]);
+        return new BoundingBox(s, w, n, e);
+    }
+
+    public MapPosition getCenter() {
+        String center = getMetadata().get("center");
+        if (center == null)
+            return null;
+        String[] split = center.split(",");
+        double latitude = Double.parseDouble(split[1]);
+        double longitude = Double.parseDouble(split[0]);
+        int zoomLevel = Integer.parseInt(split[2]);
+        return new MapPosition(latitude, longitude, 1 << zoomLevel);
+    }
+
+    public String getDescription() {
+        return getMetadata().get("description");
+    }
+
+    public String getFormat() {
+        return getMetadata().get("format");
+    }
+
+    public String getId() {
+        return getMetadata().get("id");
+    }
+
+    public String getJson() {
+        return getMetadata().get("json");
+    }
+
+    public int getMaxZoom() {
+        String maxZoom = getMetadata().get("maxzoom");
+        return maxZoom != null ? Integer.parseInt(maxZoom) : Viewport.MAX_ZOOM_LEVEL;
+    }
+
+    private Map<String, String> getMetadata() {
+        if (mMetadata == null) {
+            mMetadata = new HashMap<>();
+            Cursor cursor = null;
+            try {
+                cursor = mDatabase.rawQuery(SELECT_METADATA, null);
+                while (cursor.moveToNext()) {
+                    String key = cursor.getString(0);
+                    String value = cursor.getString(1);
+                    mMetadata.put(key, value);
+                }
+            } finally {
+                if (cursor != null)
+                    cursor.close();
+            }
+        }
+        return mMetadata;
+    }
+
+    public int getMinZoom() {
+        String minZoom = getMetadata().get("minzoom");
+        return minZoom != null ? Integer.parseInt(minZoom) : Viewport.MIN_ZOOM_LEVEL;
+    }
+
+    public Long getMTime() {
+        String mTime = getMetadata().get("mtime");
+        return mTime != null ? Long.parseLong(mTime) : null;
+    }
+
+    public String getName() {
+        return getMetadata().get("name");
+    }
+
+    public Integer getPixelScale() {
+        String pixelScale = getMetadata().get("pixel_scale");
+        return pixelScale != null ? Integer.parseInt(pixelScale) : null;
+    }
+
+    abstract public List<String> getSupportedFormats();
+
+    public String getVersion() {
+        return getMetadata().get("version");
+    }
+}
--- a/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesTileSource.java
+++ b/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesTileSource.java
@@ -1,6 +1,7 @@
 /*
- * Copyright 2017 Longri
- * Copyright 2017-2018 devemux86
+ * Copyright 2019 Andrea Antonello
+ * Copyright 2019 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * 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
@@ -13,25 +14,33 @@
 * 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.android.test;
+package org.oscim.android.tiling.source.mbtiles;

-import android.os.Bundle;
+import org.oscim.tiling.TileSource;

-import org.oscim.utils.Parameters;
+/**
+ * A tile source for MBTiles databases.
+ */
+public abstract class MBTilesTileSource extends TileSource {

-public class AtlasThemeActivity extends SimpleMapActivity {
+    private final MBTilesTileDataSource mTileDataSource;

-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        Parameters.TEXTURE_ATLAS = true;
-
-        super.onCreate(savedInstanceState);
+    public MBTilesTileSource(MBTilesTileDataSource tileDataSource) {
+        mTileDataSource = tileDataSource;
    }

    @Override
-    protected void onDestroy() {
-        super.onDestroy();
+    public void close() {
+        getDataSource().dispose();
+    }

-        Parameters.TEXTURE_ATLAS = false;
+    @Override
+    public MBTilesTileDataSource getDataSource() {
+        return mTileDataSource;
+    }
+
+    @Override
+    public OpenResult open() {
+        return OpenResult.SUCCESS;
    }
 }
--- a/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesUnsupportedException.java
+++ b/vtm-android/src/org/oscim/android/tiling/source/mbtiles/MBTilesUnsupportedException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 devemux86
+ * Copyright 2019 Kostas Tzounopoulos
 *
 * 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
@@ -12,17 +12,10 @@
 * 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.test;
+package org.oscim.android.tiling.source.mbtiles;

-import org.oscim.gdx.GdxMapApp;
-import org.oscim.utils.Parameters;
-
-public class MapEventLayer2Test extends MarkerLayerTest {
-
-    public static void main(String[] args) {
-        Parameters.MAP_EVENT_LAYER2 = true;
-
-        GdxMapApp.init();
-        GdxMapApp.run(new MapEventLayer2Test());
+public class MBTilesUnsupportedException extends RuntimeException {
+    public MBTilesUnsupportedException(String message) {
+        super(message);
    }
 }
--- a/vtm-app/AndroidManifest.xml
+++ b/vtm-app/AndroidManifest.xml
@@ -9,7 +9,6 @@
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.VIBRATE" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

    <application
        android:name=".App"
--- a/vtm-app/build.gradle
+++ b/vtm-app/build.gradle
@@ -4,7 +4,8 @@ dependencies {
    implementation project(':vtm-android')
    implementation project(':vtm-extras')
    implementation project(':vtm-themes')
-    implementation 'com.squareup.okhttp3:okhttp:3.8.0'
+    // https://github.com/square/okhttp/issues/4481
+    implementation 'com.squareup.okhttp3:okhttp:3.12.5'
    implementation "org.slf4j:slf4j-android:$slf4jVersion"
 }

@@ -18,8 +19,8 @@ android {
    }

    defaultConfig {
-        versionCode versionCode()
-        versionName versionName()
+        versionCode project.versionCode()
+        versionName project.versionName()
        minSdkVersion androidMinSdk()
        targetSdkVersion androidTargetSdk()
    }
--- a/vtm-app/src/org/oscim/app/MapLayers.java
+++ b/vtm-app/src/org/oscim/app/MapLayers.java
@@ -19,9 +19,7 @@ package org.oscim.app;

 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Environment;
 import android.preference.PreferenceManager;
-
 import org.oscim.android.cache.TileCache;
 import org.oscim.layers.GenericLayer;
 import org.oscim.layers.Layer;
@@ -67,7 +65,7 @@ public class MapLayers {
        @Override
        TileSource init() {
            return new MapFileTileSource().setOption("file",
-                    new File(Environment.getExternalStorageDirectory(), "berlin.map").getAbsolutePath());
+                    new File("/sdcard/berlin.map").getAbsolutePath());
        }
    }, new Config("MAPNIK_VECTOR") {
        @Override
--- a/vtm-app/src/org/oscim/app/TileMap.java
+++ b/vtm-app/src/org/oscim/app/TileMap.java
@@ -1,6 +1,6 @@
 /* Copyright 2010, 2011, 2012 mapsforge.org
 * Copyright 2012 Hannes Janetzek
- * Copyright 2016-2017 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * 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
@@ -15,11 +15,13 @@
 */
 package org.oscim.app;

+import android.Manifest;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -73,6 +75,11 @@ public class TileMap extends MapActivity implements MapEventsReceiver {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)
+                requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 0);
+        }
+
        setContentView(R.layout.activity_tilemap);
        App.view = (MapView) findViewById(R.id.mapView);
        registerMapView(App.view);
--- a/vtm-app/src/org/oscim/app/filepicker/FilePicker.java
+++ b/vtm-app/src/org/oscim/app/filepicker/FilePicker.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2010, 2011, 2012 mapsforge.org
- * Copyright 2016 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * 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
@@ -24,11 +24,9 @@ import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.GridView;
-
 import org.oscim.app.R;
 import org.oscim.app.filefilter.ValidFileFilter;

@@ -62,7 +60,6 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
    public static final String SELECTED_FILE = "selectedFile";

    private static final String CURRENT_DIRECTORY = "currentDirectory";
-    private static final String DEFAULT_DIRECTORY = Environment.getExternalStorageDirectory().getAbsolutePath();
    private static final int DIALOG_FILE_INVALID = 0;
    // private static final int DIALOG_FILE_SELECT = 1;
    private static Comparator<File> fileComparator = getDefaultFileComparator();
@@ -125,6 +122,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
    }

    private File currentDirectory;
+    private String defaultDirectory;
    private FilePickerIconAdapter filePickerIconAdapter;
    private File[] files;
    private File[] filesWithParentFolder;
@@ -166,7 +164,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        }

        // if a parent directory exists, add it at the first position
-        if (this.currentDirectory.getParentFile() != null) {
+        if (this.currentDirectory.getParentFile() != null && this.currentDirectory.getParentFile().canRead()) {
            this.filesWithParentFolder = new File[this.files.length + 1];
            this.filesWithParentFolder[0] = this.currentDirectory.getParentFile();
            System.arraycopy(this.files, 0, this.filesWithParentFolder, 1,
@@ -184,6 +182,7 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_file_picker);

+        defaultDirectory = getExternalFilesDir(null) != null ? getExternalFilesDir(null).getAbsolutePath() : "/sdcard/";
        this.filePickerIconAdapter = new FilePickerIconAdapter(this);
        GridView gridView = (GridView) findViewById(R.id.filePickerView);
        gridView.setOnItemClickListener(this);
@@ -254,10 +253,9 @@ public class FilePicker extends Activity implements AdapterView.OnItemClickListe
        // restore the current directory
        SharedPreferences preferences = getSharedPreferences(PREFERENCES_FILE,
                MODE_PRIVATE);
-        this.currentDirectory = new File(preferences.getString(CURRENT_DIRECTORY,
-                DEFAULT_DIRECTORY));
+        this.currentDirectory = new File(preferences.getString(CURRENT_DIRECTORY, defaultDirectory));
        if (!this.currentDirectory.exists() || !this.currentDirectory.canRead()) {
-            this.currentDirectory = new File(DEFAULT_DIRECTORY);
+            this.currentDirectory = new File(defaultDirectory);
        }
        browseToCurrentDirectory();
    }
--- a/vtm-app/src/org/oscim/app/location/Compass.java
+++ b/vtm-app/src/org/oscim/app/location/Compass.java
@@ -1,7 +1,7 @@
 /*
 * Copyright 2013 Ahmad Saleem
 * Copyright 2013 Hannes Janetzek
- * Copyright 2016-2017 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * 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
@@ -24,19 +24,17 @@ import android.hardware.SensorManager;
 import android.view.animation.Animation;
 import android.view.animation.RotateAnimation;
 import android.widget.ImageView;
-
 import org.oscim.app.App;
 import org.oscim.app.R;
 import org.oscim.core.MapPosition;
 import org.oscim.event.Event;
 import org.oscim.layers.Layer;
 import org.oscim.map.Map;
-import org.oscim.renderer.LocationRenderer;
+import org.oscim.renderer.LocationCallback;
 import org.oscim.utils.FastMath;

@SuppressWarnings("deprecation")
-public class Compass extends Layer implements SensorEventListener, Map.UpdateListener,
-        LocationRenderer.Callback {
+public class Compass extends Layer implements SensorEventListener, Map.UpdateListener, LocationCallback {

    // static final Logger log = LoggerFactory.getLogger(Compass.class);

--- a/vtm-desktop-lwjgl/build.gradle
+++ b/vtm-desktop-lwjgl/build.gradle
@@ -0,0 +1,19 @@
+apply plugin: 'java-library'
+apply plugin: 'maven'
+
+dependencies {
+    api project(':vtm-desktop')
+    api "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
+}
+
+sourceSets {
+    main {
+        java.srcDirs = ['src']
+    }
+}
+
+if (project.hasProperty("SONATYPE_USERNAME")) {
+    afterEvaluate {
+        project.apply from: "${rootProject.projectDir}/deploy.gradle"
+    }
+}
--- a/vtm-desktop-lwjgl/src/org/oscim/gdx/GdxMapApp.java
+++ b/vtm-desktop-lwjgl/src/org/oscim/gdx/GdxMapApp.java
@@ -23,7 +23,6 @@ import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
 import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
 import com.badlogic.gdx.graphics.glutils.GLVersion;
 import com.badlogic.gdx.utils.SharedLibraryLoader;
-
 import org.oscim.awt.AwtGraphics;
 import org.oscim.backend.DateTime;
 import org.oscim.backend.DateTimeAdapter;
@@ -66,7 +65,7 @@ public class GdxMapApp extends GdxMap {
    protected static LwjglApplicationConfiguration getConfig(String title) {
        LwjglApplicationConfiguration.disableAudio = true;
        LwjglApplicationConfiguration cfg = new LwjglApplicationConfiguration();
-        cfg.title = title != null ? title : "vtm-gdx";
+        cfg.title = title != null ? title : "vtm-gdx-lwjgl";

        int[] sizes = new int[]{128, 64, 32, 16};
        for (int size : sizes) {
--- a/vtm-desktop-lwjgl/src/org/oscim/gdx/LwjglGL20.java
+++ b/vtm-desktop-lwjgl/src/org/oscim/gdx/LwjglGL20.java
@@ -33,23 +33,11 @@
 package org.oscim.gdx;

 import com.badlogic.gdx.utils.GdxRuntimeException;
-
 import org.lwjgl.BufferUtils;
-import org.lwjgl.opengl.EXTFramebufferObject;
-import org.lwjgl.opengl.GL11;
-import org.lwjgl.opengl.GL13;
-import org.lwjgl.opengl.GL14;
-import org.lwjgl.opengl.GL15;
-import org.lwjgl.opengl.GL20;
+import org.lwjgl.opengl.*;
 import org.oscim.backend.GL;

-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.DoubleBuffer;
-import java.nio.FloatBuffer;
-import java.nio.IntBuffer;
-import java.nio.ShortBuffer;
+import java.nio.*;

 /**
 * An implementation of the {@link GL20} interface based on LWJGL. Note that LWJGL shaders and OpenGL ES shaders will not be 100%
--- a/vtm-desktop-lwjgl/src/org/oscim/gdx/LwjglGL30.java
+++ b/vtm-desktop-lwjgl/src/org/oscim/gdx/LwjglGL30.java
@@ -17,32 +17,14 @@
 package org.oscim.gdx;

 import com.badlogic.gdx.utils.GdxRuntimeException;
+import org.lwjgl.opengl.*;

-import org.lwjgl.opengl.GL11;
-import org.lwjgl.opengl.GL12;
-import org.lwjgl.opengl.GL15;
-import org.lwjgl.opengl.GL20;
-import org.lwjgl.opengl.GL21;
-import org.lwjgl.opengl.GL31;
-import org.lwjgl.opengl.GL32;
-import org.lwjgl.opengl.GL33;
-import org.lwjgl.opengl.GL40;
-import org.lwjgl.opengl.GL41;
-import org.lwjgl.opengl.GL43;
-import org.oscim.backend.GL30;
-
-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-import java.nio.DoubleBuffer;
-import java.nio.FloatBuffer;
-import java.nio.IntBuffer;
-import java.nio.LongBuffer;
-import java.nio.ShortBuffer;
+import java.nio.*;

 /**
- * See https://github.com/libgdx/libgdx/blob/master/backends/gdx-backend-lwjgl3/src/com/badlogic/gdx/backends/lwjgl3/Lwjgl3GL30.java
+ * See https://github.com/libgdx/libgdx/blob/master/backends/gdx-backend-lwjgl/src/com/badlogic/gdx/backends/lwjgl/LwjglGL30.java
 */
-public class LwjglGL30 extends LwjglGL20 implements GL30 {
+public class LwjglGL30 extends LwjglGL20 implements org.oscim.backend.GL30 {
    @Override
    public void readBuffer(int mode) {
        GL11.glReadBuffer(mode);
@@ -222,246 +204,246 @@ public class LwjglGL30 extends LwjglGL20 implements GL30 {
    @Override
    public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1,
                                int mask, int filter) {
-        org.lwjgl.opengl.GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+        GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
    }

    @Override
    public void bindFramebuffer(int target, int framebuffer) {
-        org.lwjgl.opengl.GL30.glBindFramebuffer(target, framebuffer);
+        GL30.glBindFramebuffer(target, framebuffer);
    }

    @Override
    public void bindRenderbuffer(int target, int renderbuffer) {
-        org.lwjgl.opengl.GL30.glBindRenderbuffer(target, renderbuffer);
+        GL30.glBindRenderbuffer(target, renderbuffer);
    }

    @Override
    public int checkFramebufferStatus(int target) {
-        return org.lwjgl.opengl.GL30.glCheckFramebufferStatus(target);
+        return GL30.glCheckFramebufferStatus(target);
    }

    @Override
    public void deleteFramebuffers(int n, IntBuffer framebuffers) {
-        org.lwjgl.opengl.GL30.glDeleteFramebuffers(framebuffers);
+        GL30.glDeleteFramebuffers(framebuffers);
    }

    @Override
    public void deleteFramebuffer(int framebuffer) {
-        org.lwjgl.opengl.GL30.glDeleteFramebuffers(framebuffer);
+        GL30.glDeleteFramebuffers(framebuffer);
    }

    @Override
    public void deleteRenderbuffers(int n, IntBuffer renderbuffers) {
-        org.lwjgl.opengl.GL30.glDeleteRenderbuffers(renderbuffers);
+        GL30.glDeleteRenderbuffers(renderbuffers);
    }

    @Override
    public void deleteRenderbuffer(int renderbuffer) {
-        org.lwjgl.opengl.GL30.glDeleteRenderbuffers(renderbuffer);
+        GL30.glDeleteRenderbuffers(renderbuffer);
    }

    @Override
    public void generateMipmap(int target) {
-        org.lwjgl.opengl.GL30.glGenerateMipmap(target);
+        GL30.glGenerateMipmap(target);
    }

    @Override
    public void genFramebuffers(int n, IntBuffer framebuffers) {
-        org.lwjgl.opengl.GL30.glGenFramebuffers(framebuffers);
+        GL30.glGenFramebuffers(framebuffers);
    }

    @Override
    public int genFramebuffer() {
-        return org.lwjgl.opengl.GL30.glGenFramebuffers();
+        return GL30.glGenFramebuffers();
    }

    @Override
    public void genRenderbuffers(int n, IntBuffer renderbuffers) {
-        org.lwjgl.opengl.GL30.glGenRenderbuffers(renderbuffers);
+        GL30.glGenRenderbuffers(renderbuffers);
    }

    @Override
    public int genRenderbuffer() {
-        return org.lwjgl.opengl.GL30.glGenRenderbuffers();
+        return GL30.glGenRenderbuffers();
    }

    @Override
    public void getRenderbufferParameteriv(int target, int pname, IntBuffer params) {
-        org.lwjgl.opengl.GL30.glGetRenderbufferParameter(target, pname, params);
+        GL30.glGetRenderbufferParameter(target, pname, params);
    }

    @Override
    public boolean isFramebuffer(int framebuffer) {
-        return org.lwjgl.opengl.GL30.glIsFramebuffer(framebuffer);
+        return GL30.glIsFramebuffer(framebuffer);
    }

    @Override
    public boolean isRenderbuffer(int renderbuffer) {
-        return org.lwjgl.opengl.GL30.glIsRenderbuffer(renderbuffer);
+        return GL30.glIsRenderbuffer(renderbuffer);
    }

    @Override
    public void renderbufferStorage(int target, int internalformat, int width, int height) {
-        org.lwjgl.opengl.GL30.glRenderbufferStorage(target, internalformat, width, height);
+        GL30.glRenderbufferStorage(target, internalformat, width, height);
    }

    @Override
    public void renderbufferStorageMultisample(int target, int samples, int internalformat, int width, int height) {
-        org.lwjgl.opengl.GL30.glRenderbufferStorageMultisample(target, samples, internalformat, width, height);
+        GL30.glRenderbufferStorageMultisample(target, samples, internalformat, width, height);
    }

    @Override
    public void framebufferTexture2D(int target, int attachment, int textarget, int texture, int level) {
-        org.lwjgl.opengl.GL30.glFramebufferTexture2D(target, attachment, textarget, texture, level);
+        GL30.glFramebufferTexture2D(target, attachment, textarget, texture, level);
    }

    @Override
    public void framebufferRenderbuffer(int target, int attachment, int renderbuffertarget, int renderbuffer) {
-        org.lwjgl.opengl.GL30.glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
+        GL30.glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
    }

    @Override
    public void framebufferTextureLayer(int target, int attachment, int texture, int level, int layer) {
-        org.lwjgl.opengl.GL30.glFramebufferTextureLayer(target, attachment, texture, level, layer);
+        GL30.glFramebufferTextureLayer(target, attachment, texture, level, layer);
    }

    @Override
    public void flushMappedBufferRange(int target, int offset, int length) {
-        org.lwjgl.opengl.GL30.glFlushMappedBufferRange(target, offset, length);
+        GL30.glFlushMappedBufferRange(target, offset, length);
    }

    @Override
    public void bindVertexArray(int array) {
-        org.lwjgl.opengl.GL30.glBindVertexArray(array);
+        GL30.glBindVertexArray(array);
    }

    @Override
    public void deleteVertexArrays(int n, int[] arrays, int offset) {
        for (int i = offset; i < offset + n; i++) {
-            org.lwjgl.opengl.GL30.glDeleteVertexArrays(arrays[i]);
+            GL30.glDeleteVertexArrays(arrays[i]);
        }
    }

    @Override
    public void deleteVertexArrays(int n, IntBuffer arrays) {
-        org.lwjgl.opengl.GL30.glDeleteVertexArrays(arrays);
+        GL30.glDeleteVertexArrays(arrays);
    }

    @Override
    public void genVertexArrays(int n, int[] arrays, int offset) {
        for (int i = offset; i < offset + n; i++) {
-            arrays[i] = org.lwjgl.opengl.GL30.glGenVertexArrays();
+            arrays[i] = GL30.glGenVertexArrays();
        }
    }

    @Override
    public void genVertexArrays(int n, IntBuffer arrays) {
-        org.lwjgl.opengl.GL30.glGenVertexArrays(arrays);
+        GL30.glGenVertexArrays(arrays);
    }

    @Override
    public boolean isVertexArray(int array) {
-        return org.lwjgl.opengl.GL30.glIsVertexArray(array);
+        return GL30.glIsVertexArray(array);
    }

    @Override
    public void beginTransformFeedback(int primitiveMode) {
-        org.lwjgl.opengl.GL30.glBeginTransformFeedback(primitiveMode);
+        GL30.glBeginTransformFeedback(primitiveMode);
    }

    @Override
    public void endTransformFeedback() {
-        org.lwjgl.opengl.GL30.glEndTransformFeedback();
+        GL30.glEndTransformFeedback();
    }

    @Override
    public void bindBufferRange(int target, int index, int buffer, int offset, int size) {
-        org.lwjgl.opengl.GL30.glBindBufferRange(target, index, buffer, offset, size);
+        GL30.glBindBufferRange(target, index, buffer, offset, size);
    }

    @Override
    public void bindBufferBase(int target, int index, int buffer) {
-        org.lwjgl.opengl.GL30.glBindBufferBase(target, index, buffer);
+        GL30.glBindBufferBase(target, index, buffer);
    }

    @Override
    public void transformFeedbackVaryings(int program, String[] varyings, int bufferMode) {
-        org.lwjgl.opengl.GL30.glTransformFeedbackVaryings(program, varyings, bufferMode);
+        GL30.glTransformFeedbackVaryings(program, varyings, bufferMode);
    }

    @Override
    public void vertexAttribIPointer(int index, int size, int type, int stride, int offset) {
-        org.lwjgl.opengl.GL30.glVertexAttribIPointer(index, size, type, stride, offset);
+        GL30.glVertexAttribIPointer(index, size, type, stride, offset);
    }

    @Override
    public void getVertexAttribIiv(int index, int pname, IntBuffer params) {
-        org.lwjgl.opengl.GL30.glGetVertexAttribI(index, pname, params);
+        GL30.glGetVertexAttribI(index, pname, params);
    }

    @Override
    public void getVertexAttribIuiv(int index, int pname, IntBuffer params) {
-        org.lwjgl.opengl.GL30.glGetVertexAttribIu(index, pname, params);
+        GL30.glGetVertexAttribIu(index, pname, params);
    }

    @Override
    public void vertexAttribI4i(int index, int x, int y, int z, int w) {
-        org.lwjgl.opengl.GL30.glVertexAttribI4i(index, x, y, z, w);
+        GL30.glVertexAttribI4i(index, x, y, z, w);
    }

    @Override
    public void vertexAttribI4ui(int index, int x, int y, int z, int w) {
-        org.lwjgl.opengl.GL30.glVertexAttribI4ui(index, x, y, z, w);
+        GL30.glVertexAttribI4ui(index, x, y, z, w);
    }

    @Override
    public void getUniformuiv(int program, int location, IntBuffer params) {
-        org.lwjgl.opengl.GL30.glGetUniformu(program, location, params);
+        GL30.glGetUniformu(program, location, params);
    }

    @Override
    public int getFragDataLocation(int program, String name) {
-        return org.lwjgl.opengl.GL30.glGetFragDataLocation(program, name);
+        return GL30.glGetFragDataLocation(program, name);
    }

    @Override
    public void uniform1uiv(int location, int count, IntBuffer value) {
-        org.lwjgl.opengl.GL30.glUniform1u(location, value);
+        GL30.glUniform1u(location, value);
    }

    @Override
    public void uniform3uiv(int location, int count, IntBuffer value) {
-        org.lwjgl.opengl.GL30.glUniform3u(location, value);
+        GL30.glUniform3u(location, value);
    }

    @Override
    public void uniform4uiv(int location, int count, IntBuffer value) {
-        org.lwjgl.opengl.GL30.glUniform4u(location, value);
+        GL30.glUniform4u(location, value);
    }

    @Override
    public void clearBufferiv(int buffer, int drawbuffer, IntBuffer value) {
-        org.lwjgl.opengl.GL30.glClearBuffer(buffer, drawbuffer, value);
+        GL30.glClearBuffer(buffer, drawbuffer, value);
    }

    @Override
    public void clearBufferuiv(int buffer, int drawbuffer, IntBuffer value) {
-        org.lwjgl.opengl.GL30.glClearBufferu(buffer, drawbuffer, value);
+        GL30.glClearBufferu(buffer, drawbuffer, value);
    }

    @Override
    public void clearBufferfv(int buffer, int drawbuffer, FloatBuffer value) {
-        org.lwjgl.opengl.GL30.glClearBuffer(buffer, drawbuffer, value);
+        GL30.glClearBuffer(buffer, drawbuffer, value);
    }

    @Override
    public void clearBufferfi(int buffer, int drawbuffer, float depth, int stencil) {
-        org.lwjgl.opengl.GL30.glClearBufferfi(buffer, drawbuffer, depth, stencil);
+        GL30.glClearBufferfi(buffer, drawbuffer, depth, stencil);
    }

    @Override
    public String getStringi(int name, int index) {
-        return org.lwjgl.opengl.GL30.glGetStringi(name, index);
+        return GL30.glGetStringi(name, index);
    }

    @Override
--- a/vtm-desktop-lwjgl3/build.gradle
+++ b/vtm-desktop-lwjgl3/build.gradle
@@ -0,0 +1,19 @@
+apply plugin: 'java-library'
+apply plugin: 'maven'
+
+dependencies {
+    api project(':vtm-desktop')
+    api "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion"
+}
+
+sourceSets {
+    main {
+        java.srcDirs = ['src']
+    }
+}
+
+if (project.hasProperty("SONATYPE_USERNAME")) {
+    afterEvaluate {
+        project.apply from: "${rootProject.projectDir}/deploy.gradle"
+    }
+}
--- a/vtm-desktop-lwjgl3/src/org/oscim/gdx/GdxMapApp.java
+++ b/vtm-desktop-lwjgl3/src/org/oscim/gdx/GdxMapApp.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2013 Hannes Janetzek
+ * Copyright 2016-2018 devemux86
+ * Copyright 2018-2019 Gustl22
+ *
+ * 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.gdx;
+
+import com.badlogic.gdx.Files;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
+import com.badlogic.gdx.graphics.glutils.GLVersion;
+import com.badlogic.gdx.utils.SharedLibraryLoader;
+import org.oscim.awt.AwtGraphics;
+import org.oscim.backend.DateTime;
+import org.oscim.backend.DateTimeAdapter;
+import org.oscim.backend.GLAdapter;
+import org.oscim.core.Tile;
+import org.oscim.tiling.TileSource;
+import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
+import org.oscim.utils.FastMath;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class GdxMapApp extends GdxMap {
+
+    public static final Logger log = LoggerFactory.getLogger(GdxMapApp.class);
+
+    public static void init() {
+        // load native library
+        new SharedLibraryLoader().load("vtm-jni");
+        // init globals
+        AwtGraphics.init();
+        GdxAssets.init("assets/");
+        DateTimeAdapter.init(new DateTime());
+    }
+
+    public static void main(String[] args) {
+        init();
+        new Lwjgl3Application(new GdxMapApp(), getConfig(null));
+    }
+
+    public static void run(GdxMap map) {
+        run(map, null, Tile.SIZE);
+    }
+
+    public static void run(GdxMap map, Lwjgl3ApplicationConfiguration config, int tileSize) {
+        Tile.SIZE = FastMath.clamp(tileSize, 128, 512);
+
+        new Lwjgl3Application(map, (config == null ? getConfig(map.getClass().getSimpleName()) : config));
+    }
+
+    protected static Lwjgl3ApplicationConfiguration getConfig(String title) {
+        Lwjgl3ApplicationConfiguration cfg = new Lwjgl3ApplicationConfiguration();
+        cfg.disableAudio(true);
+        cfg.setTitle(title != null ? title : "vtm-gdx-lwjgl3");
+
+        int[] sizes = new int[]{128, 64, 32, 16};
+        String[] paths = new String[sizes.length];
+        for (int i = 0; i < paths.length; i++)
+            paths[i] = "res/ic_vtm_" + sizes[i] + ".png";
+        cfg.setWindowIcon(Files.FileType.Internal, paths);
+
+        cfg.setWindowedMode(1024, 768);
+        cfg.setBackBufferConfig(8, 8, 8, 8, 16, 8, /*2*/0);
+        //cfg.useOpenGL3(true, 3, 2);
+        cfg.setIdleFPS(10);
+        //cfg.forceExit = false;
+        return cfg;
+    }
+
+    @Override
+    protected void initGLAdapter(GLVersion version) {
+        if (version.getMajorVersion() >= 3)
+            GLAdapter.init(new Lwjgl3GL30());
+        else
+            GLAdapter.init(new Lwjgl3GL20());
+    }
+
+    @Override
+    public void createLayers() {
+        TileSource tileSource = new OSciMap4TileSource();
+
+        initDefaultLayers(tileSource, false, true, true);
+
+        mMap.setMapPosition(0, 0, 1 << 2);
+    }
+
+    @Override
+    public void dispose() {
+        System.exit(0);
+    }
+}
--- a/vtm-desktop-lwjgl3/src/org/oscim/gdx/Lwjgl3GL20.java
+++ b/vtm-desktop-lwjgl3/src/org/oscim/gdx/Lwjgl3GL20.java
@@ -0,0 +1,997 @@
+/*******************************************************************************
+ * Copyright 2011 See AUTHORS file.
+ *
+ * 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.
+ ******************************************************************************/
+
+package org.oscim.gdx;
+
+import com.badlogic.gdx.utils.GdxRuntimeException;
+import org.lwjgl.BufferUtils;
+import org.lwjgl.opengl.*;
+import org.oscim.backend.GL;
+
+import java.nio.*;
+
+/**
+ * See https://github.com/libgdx/libgdx/blob/master/backends/gdx-backend-lwjgl3/src/com/badlogic/gdx/backends/lwjgl3/Lwjgl3GL20.java
+ */
+public class Lwjgl3GL20 implements GL {
+    private ByteBuffer buffer = null;
+    private FloatBuffer floatBuffer = null;
+    private IntBuffer intBuffer = null;
+
+    private void ensureBufferCapacity(int numBytes) {
+        if (buffer == null || buffer.capacity() < numBytes) {
+            buffer = com.badlogic.gdx.utils.BufferUtils.newByteBuffer(numBytes);
+            floatBuffer = buffer.asFloatBuffer();
+            intBuffer = buffer.asIntBuffer();
+        }
+    }
+
+    private FloatBuffer toFloatBuffer(float v[], int offset, int count) {
+        ensureBufferCapacity(count << 2);
+        floatBuffer.clear();
+        floatBuffer.limit(count);
+        floatBuffer.put(v, offset, count);
+        floatBuffer.position(0);
+        return floatBuffer;
+    }
+
+    private IntBuffer toIntBuffer(int v[], int offset, int count) {
+        ensureBufferCapacity(count << 2);
+        intBuffer.clear();
+        intBuffer.limit(count);
+        intBuffer.put(v, offset, count);
+        intBuffer.position(0);
+        return intBuffer;
+    }
+
+    @Override
+    public void activeTexture(int texture) {
+        GL13.glActiveTexture(texture);
+    }
+
+    @Override
+    public void attachShader(int program, int shader) {
+        GL20.glAttachShader(program, shader);
+    }
+
+    @Override
+    public void bindAttribLocation(int program, int index, String name) {
+        GL20.glBindAttribLocation(program, index, name);
+    }
+
+    @Override
+    public void bindBuffer(int target, int buffer) {
+        GL15.glBindBuffer(target, buffer);
+    }
+
+    @Override
+    public void bindFramebuffer(int target, int framebuffer) {
+        EXTFramebufferObject.glBindFramebufferEXT(target, framebuffer);
+    }
+
+    @Override
+    public void bindRenderbuffer(int target, int renderbuffer) {
+        EXTFramebufferObject.glBindRenderbufferEXT(target, renderbuffer);
+    }
+
+    @Override
+    public void bindTexture(int target, int texture) {
+        GL11.glBindTexture(target, texture);
+    }
+
+    @Override
+    public void blendColor(float red, float green, float blue, float alpha) {
+        GL14.glBlendColor(red, green, blue, alpha);
+    }
+
+    @Override
+    public void blendEquation(int mode) {
+        GL14.glBlendEquation(mode);
+    }
+
+    @Override
+    public void blendEquationSeparate(int modeRGB, int modeAlpha) {
+        GL20.glBlendEquationSeparate(modeRGB, modeAlpha);
+    }
+
+    @Override
+    public void blendFunc(int sfactor, int dfactor) {
+        GL11.glBlendFunc(sfactor, dfactor);
+    }
+
+    @Override
+    public void blendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) {
+        GL14.glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
+    }
+
+    @Override
+    public void bufferData(int target, int size, Buffer data, int usage) {
+        if (data == null)
+            GL15.glBufferData(target, size, usage);
+        else if (data instanceof ByteBuffer)
+            GL15.glBufferData(target, (ByteBuffer) data, usage);
+        else if (data instanceof IntBuffer)
+            GL15.glBufferData(target, (IntBuffer) data, usage);
+        else if (data instanceof FloatBuffer)
+            GL15.glBufferData(target, (FloatBuffer) data, usage);
+        else if (data instanceof DoubleBuffer)
+            GL15.glBufferData(target, (DoubleBuffer) data, usage);
+        else if (data instanceof ShortBuffer) //
+            GL15.glBufferData(target, (ShortBuffer) data, usage);
+    }
+
+    @Override
+    public void bufferSubData(int target, int offset, int size, Buffer data) {
+        if (data == null)
+            throw new GdxRuntimeException("Using null for the data not possible, blame LWJGL");
+        else if (data instanceof ByteBuffer)
+            GL15.glBufferSubData(target, offset, (ByteBuffer) data);
+        else if (data instanceof IntBuffer)
+            GL15.glBufferSubData(target, offset, (IntBuffer) data);
+        else if (data instanceof FloatBuffer)
+            GL15.glBufferSubData(target, offset, (FloatBuffer) data);
+        else if (data instanceof DoubleBuffer)
+            GL15.glBufferSubData(target, offset, (DoubleBuffer) data);
+        else if (data instanceof ShortBuffer) //
+            GL15.glBufferSubData(target, offset, (ShortBuffer) data);
+    }
+
+    @Override
+    public int checkFramebufferStatus(int target) {
+        return EXTFramebufferObject.glCheckFramebufferStatusEXT(target);
+    }
+
+    @Override
+    public void clear(int mask) {
+        GL11.glClear(mask);
+    }
+
+    @Override
+    public void clearColor(float red, float green, float blue, float alpha) {
+        GL11.glClearColor(red, green, blue, alpha);
+    }
+
+    @Override
+    public void clearDepthf(float depth) {
+        GL11.glClearDepth(depth);
+    }
+
+    @Override
+    public void clearStencil(int s) {
+        GL11.glClearStencil(s);
+    }
+
+    @Override
+    public void colorMask(boolean red, boolean green, boolean blue, boolean alpha) {
+        GL11.glColorMask(red, green, blue, alpha);
+    }
+
+    @Override
+    public void compileShader(int shader) {
+        GL20.glCompileShader(shader);
+    }
+
+    @Override
+    public void compressedTexImage2D(int target, int level, int internalformat, int width, int height, int border,
+                                     int imageSize, Buffer data) {
+        if (data instanceof ByteBuffer) {
+            GL13.glCompressedTexImage2D(target, level, internalformat, width, height, border, (ByteBuffer) data);
+        } else {
+            throw new GdxRuntimeException("Can't use " + data.getClass().getName() + " with this method. Use ByteBuffer instead.");
+        }
+    }
+
+    @Override
+    public void compressedTexSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format,
+                                        int imageSize, Buffer data) {
+        throw new GdxRuntimeException("not implemented");
+    }
+
+    @Override
+    public void copyTexImage2D(int target, int level, int internalformat, int x, int y, int width, int height, int border) {
+        GL11.glCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
+    }
+
+    @Override
+    public void copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y, int width, int height) {
+        GL11.glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
+    }
+
+    @Override
+    public int createProgram() {
+        return GL20.glCreateProgram();
+    }
+
+    @Override
+    public int createShader(int type) {
+        return GL20.glCreateShader(type);
+    }
+
+    @Override
+    public void cullFace(int mode) {
+        GL11.glCullFace(mode);
+    }
+
+    @Override
+    public void deleteBuffers(int n, IntBuffer buffers) {
+        GL15.glDeleteBuffers(buffers);
+    }
+
+    @Override
+    public void deleteBuffer(int buffer) {
+        GL15.glDeleteBuffers(buffer);
+    }
+
+    @Override
+    public void deleteFramebuffers(int n, IntBuffer framebuffers) {
+        EXTFramebufferObject.glDeleteFramebuffersEXT(framebuffers);
+    }
+
+    @Override
+    public void deleteFramebuffer(int framebuffer) {
+        EXTFramebufferObject.glDeleteFramebuffersEXT(framebuffer);
+    }
+
+    @Override
+    public void deleteProgram(int program) {
+        GL20.glDeleteProgram(program);
+    }
+
+    @Override
+    public void deleteRenderbuffers(int n, IntBuffer renderbuffers) {
+        EXTFramebufferObject.glDeleteRenderbuffersEXT(renderbuffers);
+    }
+
+    @Override
+    public void deleteRenderbuffer(int renderbuffer) {
+        EXTFramebufferObject.glDeleteRenderbuffersEXT(renderbuffer);
+    }
+
+    @Override
+    public void deleteShader(int shader) {
+        GL20.glDeleteShader(shader);
+    }
+
+    @Override
+    public void deleteTextures(int n, IntBuffer textures) {
+        GL11.glDeleteTextures(textures);
+    }
+
+    @Override
+    public void deleteTexture(int texture) {
+        GL11.glDeleteTextures(texture);
+    }
+
+    @Override
+    public void depthFunc(int func) {
+        GL11.glDepthFunc(func);
+    }
+
+    @Override
+    public void depthMask(boolean flag) {
+        GL11.glDepthMask(flag);
+    }
+
+    @Override
+    public void depthRangef(float zNear, float zFar) {
+        GL11.glDepthRange(zNear, zFar);
+    }
+
+    @Override
+    public void detachShader(int program, int shader) {
+        GL20.glDetachShader(program, shader);
+    }
+
+    @Override
+    public void disable(int cap) {
+        GL11.glDisable(cap);
+    }
+
+    @Override
+    public void disableVertexAttribArray(int index) {
+        GL20.glDisableVertexAttribArray(index);
+    }
+
+    @Override
+    public void drawArrays(int mode, int first, int count) {
+        GL11.glDrawArrays(mode, first, count);
+    }
+
+    @Override
+    public void drawElements(int mode, int count, int type, Buffer indices) {
+        if (indices instanceof ShortBuffer && type == com.badlogic.gdx.graphics.GL20.GL_UNSIGNED_SHORT)
+            GL11.glDrawElements(mode, (ShortBuffer) indices);
+        else if (indices instanceof ByteBuffer && type == com.badlogic.gdx.graphics.GL20.GL_UNSIGNED_SHORT)
+            GL11.glDrawElements(mode, ((ByteBuffer) indices).asShortBuffer());
+        else if (indices instanceof ByteBuffer && type == com.badlogic.gdx.graphics.GL20.GL_UNSIGNED_BYTE)
+            GL11.glDrawElements(mode, (ByteBuffer) indices);
+        else
+            throw new GdxRuntimeException("Can't use " + indices.getClass().getName()
+                    + " with this method. Use ShortBuffer or ByteBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void enable(int cap) {
+        GL11.glEnable(cap);
+    }
+
+    @Override
+    public void enableVertexAttribArray(int index) {
+        GL20.glEnableVertexAttribArray(index);
+    }
+
+    @Override
+    public void finish() {
+        GL11.glFinish();
+    }
+
+    @Override
+    public void flush() {
+        GL11.glFlush();
+    }
+
+    @Override
+    public void framebufferRenderbuffer(int target, int attachment, int renderbuffertarget, int renderbuffer) {
+        EXTFramebufferObject.glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget, renderbuffer);
+    }
+
+    @Override
+    public void framebufferTexture2D(int target, int attachment, int textarget, int texture, int level) {
+        EXTFramebufferObject.glFramebufferTexture2DEXT(target, attachment, textarget, texture, level);
+    }
+
+    @Override
+    public void frontFace(int mode) {
+        GL11.glFrontFace(mode);
+    }
+
+    @Override
+    public void genBuffers(int n, IntBuffer buffers) {
+        GL15.glGenBuffers(buffers);
+    }
+
+    @Override
+    public int genBuffer() {
+        return GL15.glGenBuffers();
+    }
+
+    @Override
+    public void genFramebuffers(int n, IntBuffer framebuffers) {
+        EXTFramebufferObject.glGenFramebuffersEXT(framebuffers);
+    }
+
+    @Override
+    public int genFramebuffer() {
+        return EXTFramebufferObject.glGenFramebuffersEXT();
+    }
+
+    @Override
+    public void genRenderbuffers(int n, IntBuffer renderbuffers) {
+        EXTFramebufferObject.glGenRenderbuffersEXT(renderbuffers);
+    }
+
+    @Override
+    public int genRenderbuffer() {
+        return EXTFramebufferObject.glGenRenderbuffersEXT();
+    }
+
+    @Override
+    public void genTextures(int n, IntBuffer textures) {
+        GL11.glGenTextures(textures);
+    }
+
+    @Override
+    public int genTexture() {
+        return GL11.glGenTextures();
+    }
+
+    @Override
+    public void generateMipmap(int target) {
+        EXTFramebufferObject.glGenerateMipmapEXT(target);
+    }
+
+    @Override
+    public String getActiveAttrib(int program, int index, IntBuffer size, Buffer type) {
+        IntBuffer typeTmp = BufferUtils.createIntBuffer(2);
+        String name = GL20.glGetActiveAttrib(program, index, 256, size, typeTmp);
+        size.put(typeTmp.get(0));
+        if (type instanceof IntBuffer) ((IntBuffer) type).put(typeTmp.get(1));
+        return name;
+    }
+
+    @Override
+    public String getActiveUniform(int program, int index, IntBuffer size, Buffer type) {
+        IntBuffer typeTmp = BufferUtils.createIntBuffer(2);
+        String name = GL20.glGetActiveUniform(program, index, 256, size, typeTmp);
+        size.put(typeTmp.get(0));
+        if (type instanceof IntBuffer) ((IntBuffer) type).put(typeTmp.get(1));
+        return name;
+    }
+
+    @Override
+    public void getAttachedShaders(int program, int maxcount, Buffer count, IntBuffer shaders) {
+        GL20.glGetAttachedShaders(program, (IntBuffer) count, shaders);
+    }
+
+    @Override
+    public int getAttribLocation(int program, String name) {
+        return GL20.glGetAttribLocation(program, name);
+    }
+
+    @Override
+    public void getBooleanv(int pname, Buffer params) {
+        GL11.glGetBooleanv(pname, (ByteBuffer) params);
+    }
+
+    @Override
+    public void getBufferParameteriv(int target, int pname, IntBuffer params) {
+        GL15.glGetBufferParameteriv(target, pname, params);
+    }
+
+    @Override
+    public int getError() {
+        return GL11.glGetError();
+    }
+
+    @Override
+    public void getFloatv(int pname, FloatBuffer params) {
+        GL11.glGetFloatv(pname, params);
+    }
+
+    @Override
+    public void getFramebufferAttachmentParameteriv(int target, int attachment, int pname, IntBuffer params) {
+        EXTFramebufferObject.glGetFramebufferAttachmentParameterivEXT(target, attachment, pname, params);
+    }
+
+    @Override
+    public void getIntegerv(int pname, IntBuffer params) {
+        GL11.glGetIntegerv(pname, params);
+    }
+
+    @Override
+    public String getProgramInfoLog(int program) {
+        ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10);
+        buffer.order(ByteOrder.nativeOrder());
+        ByteBuffer tmp = ByteBuffer.allocateDirect(4);
+        tmp.order(ByteOrder.nativeOrder());
+        IntBuffer intBuffer = tmp.asIntBuffer();
+
+        GL20.glGetProgramInfoLog(program, intBuffer, buffer);
+        int numBytes = intBuffer.get(0);
+        byte[] bytes = new byte[numBytes];
+        buffer.get(bytes);
+        return new String(bytes);
+    }
+
+    @Override
+    public void getProgramiv(int program, int pname, IntBuffer params) {
+        GL20.glGetProgramiv(program, pname, params);
+    }
+
+    @Override
+    public void getRenderbufferParameteriv(int target, int pname, IntBuffer params) {
+        EXTFramebufferObject.glGetRenderbufferParameterivEXT(target, pname, params);
+    }
+
+    @Override
+    public String getShaderInfoLog(int shader) {
+        ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10);
+        buffer.order(ByteOrder.nativeOrder());
+        ByteBuffer tmp = ByteBuffer.allocateDirect(4);
+        tmp.order(ByteOrder.nativeOrder());
+        IntBuffer intBuffer = tmp.asIntBuffer();
+
+        GL20.glGetShaderInfoLog(shader, intBuffer, buffer);
+        int numBytes = intBuffer.get(0);
+        byte[] bytes = new byte[numBytes];
+        buffer.get(bytes);
+        return new String(bytes);
+    }
+
+    @Override
+    public void getShaderPrecisionFormat(int shadertype, int precisiontype, IntBuffer range, IntBuffer precision) {
+        throw new UnsupportedOperationException("unsupported, won't implement");
+    }
+
+    @Override
+    public void getShaderiv(int shader, int pname, IntBuffer params) {
+        GL20.glGetShaderiv(shader, pname, params);
+    }
+
+    @Override
+    public String getString(int name) {
+        return GL11.glGetString(name);
+    }
+
+    @Override
+    public void getTexParameterfv(int target, int pname, FloatBuffer params) {
+        GL11.glGetTexParameterfv(target, pname, params);
+    }
+
+    @Override
+    public void getTexParameteriv(int target, int pname, IntBuffer params) {
+        GL11.glGetTexParameteriv(target, pname, params);
+    }
+
+    @Override
+    public int getUniformLocation(int program, String name) {
+        return GL20.glGetUniformLocation(program, name);
+    }
+
+    @Override
+    public void getUniformfv(int program, int location, FloatBuffer params) {
+        GL20.glGetUniformfv(program, location, params);
+    }
+
+    @Override
+    public void getUniformiv(int program, int location, IntBuffer params) {
+        GL20.glGetUniformiv(program, location, params);
+    }
+
+    @Override
+    public void getVertexAttribPointerv(int index, int pname, Buffer pointer) {
+        throw new UnsupportedOperationException("unsupported, won't implement");
+    }
+
+    @Override
+    public void getVertexAttribfv(int index, int pname, FloatBuffer params) {
+        GL20.glGetVertexAttribfv(index, pname, params);
+    }
+
+    @Override
+    public void getVertexAttribiv(int index, int pname, IntBuffer params) {
+        GL20.glGetVertexAttribiv(index, pname, params);
+    }
+
+    @Override
+    public void hint(int target, int mode) {
+        GL11.glHint(target, mode);
+    }
+
+    @Override
+    public boolean isBuffer(int buffer) {
+        return GL15.glIsBuffer(buffer);
+    }
+
+    @Override
+    public boolean isEnabled(int cap) {
+        return GL11.glIsEnabled(cap);
+    }
+
+    @Override
+    public boolean isFramebuffer(int framebuffer) {
+        return EXTFramebufferObject.glIsFramebufferEXT(framebuffer);
+    }
+
+    @Override
+    public boolean isProgram(int program) {
+        return GL20.glIsProgram(program);
+    }
+
+    @Override
+    public boolean isRenderbuffer(int renderbuffer) {
+        return EXTFramebufferObject.glIsRenderbufferEXT(renderbuffer);
+    }
+
+    @Override
+    public boolean isShader(int shader) {
+        return GL20.glIsShader(shader);
+    }
+
+    @Override
+    public boolean isTexture(int texture) {
+        return GL11.glIsTexture(texture);
+    }
+
+    @Override
+    public void lineWidth(float width) {
+        GL11.glLineWidth(width);
+    }
+
+    @Override
+    public void linkProgram(int program) {
+        GL20.glLinkProgram(program);
+    }
+
+    @Override
+    public void pixelStorei(int pname, int param) {
+        GL11.glPixelStorei(pname, param);
+    }
+
+    @Override
+    public void polygonOffset(float factor, float units) {
+        GL11.glPolygonOffset(factor, units);
+    }
+
+    @Override
+    public void readPixels(int x, int y, int width, int height, int format, int type, Buffer pixels) {
+        if (pixels instanceof ByteBuffer)
+            GL11.glReadPixels(x, y, width, height, format, type, (ByteBuffer) pixels);
+        else if (pixels instanceof ShortBuffer)
+            GL11.glReadPixels(x, y, width, height, format, type, (ShortBuffer) pixels);
+        else if (pixels instanceof IntBuffer)
+            GL11.glReadPixels(x, y, width, height, format, type, (IntBuffer) pixels);
+        else if (pixels instanceof FloatBuffer)
+            GL11.glReadPixels(x, y, width, height, format, type, (FloatBuffer) pixels);
+        else
+            throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
+                    + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer or FloatBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void releaseShaderCompiler() {
+        // nothing to do here
+    }
+
+    @Override
+    public void renderbufferStorage(int target, int internalformat, int width, int height) {
+        EXTFramebufferObject.glRenderbufferStorageEXT(target, internalformat, width, height);
+    }
+
+    @Override
+    public void sampleCoverage(float value, boolean invert) {
+        GL13.glSampleCoverage(value, invert);
+    }
+
+    @Override
+    public void scissor(int x, int y, int width, int height) {
+        GL11.glScissor(x, y, width, height);
+    }
+
+    @Override
+    public void shaderBinary(int n, IntBuffer shaders, int binaryformat, Buffer binary, int length) {
+        throw new UnsupportedOperationException("unsupported, won't implement");
+    }
+
+    @Override
+    public void shaderSource(int shader, String string) {
+        GL20.glShaderSource(shader, string);
+    }
+
+    @Override
+    public void stencilFunc(int func, int ref, int mask) {
+        GL11.glStencilFunc(func, ref, mask);
+    }
+
+    @Override
+    public void stencilFuncSeparate(int face, int func, int ref, int mask) {
+        GL20.glStencilFuncSeparate(face, func, ref, mask);
+    }
+
+    @Override
+    public void stencilMask(int mask) {
+        GL11.glStencilMask(mask);
+    }
+
+    @Override
+    public void stencilMaskSeparate(int face, int mask) {
+        GL20.glStencilMaskSeparate(face, mask);
+    }
+
+    @Override
+    public void stencilOp(int fail, int zfail, int zpass) {
+        GL11.glStencilOp(fail, zfail, zpass);
+    }
+
+    @Override
+    public void stencilOpSeparate(int face, int fail, int zfail, int zpass) {
+        GL20.glStencilOpSeparate(face, fail, zfail, zpass);
+    }
+
+    @Override
+    public void texImage2D(int target, int level, int internalformat, int width, int height, int border, int format, int type,
+                           Buffer pixels) {
+        if (pixels == null)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (ByteBuffer) null);
+        else if (pixels instanceof ByteBuffer)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (ByteBuffer) pixels);
+        else if (pixels instanceof ShortBuffer)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (ShortBuffer) pixels);
+        else if (pixels instanceof IntBuffer)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (IntBuffer) pixels);
+        else if (pixels instanceof FloatBuffer)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (FloatBuffer) pixels);
+        else if (pixels instanceof DoubleBuffer)
+            GL11.glTexImage2D(target, level, internalformat, width, height, border, format, type, (DoubleBuffer) pixels);
+        else
+            throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
+                    + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void texParameterf(int target, int pname, float param) {
+        GL11.glTexParameterf(target, pname, param);
+    }
+
+    @Override
+    public void texParameterfv(int target, int pname, FloatBuffer params) {
+        GL11.glTexParameterfv(target, pname, params);
+    }
+
+    @Override
+    public void texParameteri(int target, int pname, int param) {
+        GL11.glTexParameteri(target, pname, param);
+    }
+
+    @Override
+    public void texParameteriv(int target, int pname, IntBuffer params) {
+        GL11.glTexParameteriv(target, pname, params);
+    }
+
+    @Override
+    public void texSubImage2D(int target, int level, int xoffset, int yoffset, int width, int height, int format, int type,
+                              Buffer pixels) {
+        if (pixels instanceof ByteBuffer)
+            GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, (ByteBuffer) pixels);
+        else if (pixels instanceof ShortBuffer)
+            GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, (ShortBuffer) pixels);
+        else if (pixels instanceof IntBuffer)
+            GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, (IntBuffer) pixels);
+        else if (pixels instanceof FloatBuffer)
+            GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, (FloatBuffer) pixels);
+        else if (pixels instanceof DoubleBuffer)
+            GL11.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, (DoubleBuffer) pixels);
+        else
+            throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
+                    + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void uniform1f(int location, float x) {
+        GL20.glUniform1f(location, x);
+    }
+
+    @Override
+    public void uniform1fv(int location, int count, FloatBuffer v) {
+        GL20.glUniform1fv(location, v);
+    }
+
+    @Override
+    public void uniform1fv(int location, int count, float[] v, int offset) {
+        GL20.glUniform1fv(location, toFloatBuffer(v, offset, count));
+    }
+
+    @Override
+    public void uniform1i(int location, int x) {
+        GL20.glUniform1i(location, x);
+    }
+
+    @Override
+    public void uniform1iv(int location, int count, IntBuffer v) {
+        GL20.glUniform1iv(location, v);
+    }
+
+    @Override
+    public void uniform1iv(int location, int count, int[] v, int offset) {
+        GL20.glUniform1iv(location, toIntBuffer(v, offset, count));
+    }
+
+    @Override
+    public void uniform2f(int location, float x, float y) {
+        GL20.glUniform2f(location, x, y);
+    }
+
+    @Override
+    public void uniform2fv(int location, int count, FloatBuffer v) {
+        GL20.glUniform2fv(location, v);
+    }
+
+    @Override
+    public void uniform2fv(int location, int count, float[] v, int offset) {
+        GL20.glUniform2fv(location, toFloatBuffer(v, offset, count << 1));
+    }
+
+    @Override
+    public void uniform2i(int location, int x, int y) {
+        GL20.glUniform2i(location, x, y);
+    }
+
+    @Override
+    public void uniform2iv(int location, int count, IntBuffer v) {
+        GL20.glUniform2iv(location, v);
+    }
+
+    @Override
+    public void uniform2iv(int location, int count, int[] v, int offset) {
+        GL20.glUniform2iv(location, toIntBuffer(v, offset, count << 1));
+    }
+
+    @Override
+    public void uniform3f(int location, float x, float y, float z) {
+        GL20.glUniform3f(location, x, y, z);
+    }
+
+    @Override
+    public void uniform3fv(int location, int count, FloatBuffer v) {
+        GL20.glUniform3fv(location, v);
+    }
+
+    @Override
+    public void uniform3fv(int location, int count, float[] v, int offset) {
+        GL20.glUniform3fv(location, toFloatBuffer(v, offset, count * 3));
+    }
+
+    @Override
+    public void uniform3i(int location, int x, int y, int z) {
+        GL20.glUniform3i(location, x, y, z);
+    }
+
+    @Override
+    public void uniform3iv(int location, int count, IntBuffer v) {
+        GL20.glUniform3iv(location, v);
+    }
+
+    @Override
+    public void uniform3iv(int location, int count, int[] v, int offset) {
+        GL20.glUniform3iv(location, toIntBuffer(v, offset, count * 3));
+    }
+
+    @Override
+    public void uniform4f(int location, float x, float y, float z, float w) {
+        GL20.glUniform4f(location, x, y, z, w);
+    }
+
+    @Override
+    public void uniform4fv(int location, int count, FloatBuffer v) {
+        GL20.glUniform4fv(location, v);
+    }
+
+    @Override
+    public void uniform4fv(int location, int count, float[] v, int offset) {
+        GL20.glUniform4fv(location, toFloatBuffer(v, offset, count << 2));
+    }
+
+    @Override
+    public void uniform4i(int location, int x, int y, int z, int w) {
+        GL20.glUniform4i(location, x, y, z, w);
+    }
+
+    @Override
+    public void uniform4iv(int location, int count, IntBuffer v) {
+        GL20.glUniform4iv(location, v);
+    }
+
+    @Override
+    public void uniform4iv(int location, int count, int[] v, int offset) {
+        GL20.glUniform4iv(location, toIntBuffer(v, offset, count << 2));
+    }
+
+    @Override
+    public void uniformMatrix2fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL20.glUniformMatrix2fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix2fv(int location, int count, boolean transpose, float[] value, int offset) {
+        GL20.glUniformMatrix2fv(location, transpose, toFloatBuffer(value, offset, count << 2));
+    }
+
+    @Override
+    public void uniformMatrix3fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL20.glUniformMatrix3fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix3fv(int location, int count, boolean transpose, float[] value, int offset) {
+        GL20.glUniformMatrix3fv(location, transpose, toFloatBuffer(value, offset, count * 9));
+    }
+
+    @Override
+    public void uniformMatrix4fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL20.glUniformMatrix4fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix4fv(int location, int count, boolean transpose, float[] value, int offset) {
+        GL20.glUniformMatrix4fv(location, transpose, toFloatBuffer(value, offset, count << 4));
+    }
+
+    @Override
+    public void useProgram(int program) {
+        GL20.glUseProgram(program);
+    }
+
+    @Override
+    public void validateProgram(int program) {
+        GL20.glValidateProgram(program);
+    }
+
+    @Override
+    public void vertexAttrib1f(int indx, float x) {
+        GL20.glVertexAttrib1f(indx, x);
+    }
+
+    @Override
+    public void vertexAttrib1fv(int indx, FloatBuffer values) {
+        GL20.glVertexAttrib1f(indx, values.get());
+    }
+
+    @Override
+    public void vertexAttrib2f(int indx, float x, float y) {
+        GL20.glVertexAttrib2f(indx, x, y);
+    }
+
+    @Override
+    public void vertexAttrib2fv(int indx, FloatBuffer values) {
+        GL20.glVertexAttrib2f(indx, values.get(), values.get());
+    }
+
+    @Override
+    public void vertexAttrib3f(int indx, float x, float y, float z) {
+        GL20.glVertexAttrib3f(indx, x, y, z);
+    }
+
+    @Override
+    public void vertexAttrib3fv(int indx, FloatBuffer values) {
+        GL20.glVertexAttrib3f(indx, values.get(), values.get(), values.get());
+    }
+
+    @Override
+    public void vertexAttrib4f(int indx, float x, float y, float z, float w) {
+        GL20.glVertexAttrib4f(indx, x, y, z, w);
+    }
+
+    @Override
+    public void vertexAttrib4fv(int indx, FloatBuffer values) {
+        GL20.glVertexAttrib4f(indx, values.get(), values.get(), values.get(), values.get());
+    }
+
+    @Override
+    public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride, Buffer buffer) {
+        if (buffer instanceof ByteBuffer) {
+            if (type == GL.BYTE)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, (ByteBuffer) buffer);
+            else if (type == GL.UNSIGNED_BYTE)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, (ByteBuffer) buffer);
+            else if (type == GL.SHORT)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, ((ByteBuffer) buffer).asShortBuffer());
+            else if (type == GL.UNSIGNED_SHORT)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, ((ByteBuffer) buffer).asShortBuffer());
+            else if (type == GL.FLOAT)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, ((ByteBuffer) buffer).asFloatBuffer());
+            else
+                throw new GdxRuntimeException(
+                        "Can't use "
+                                + buffer.getClass().getName()
+                                + " with type "
+                                + type
+                                + " with this method. Use ByteBuffer and one of GL_BYTE, GL_UNSIGNED_BYTE, GL_SHORT, GL_UNSIGNED_SHORT or GL_FLOAT for type. Blame LWJGL");
+        } else if (buffer instanceof FloatBuffer) {
+            if (type == GL.FLOAT)
+                GL20.glVertexAttribPointer(indx, size, type, normalized, stride, (FloatBuffer) buffer);
+            else
+                throw new GdxRuntimeException("Can't use " + buffer.getClass().getName() + " with type " + type
+                        + " with this method.");
+        } else
+            throw new GdxRuntimeException("Can't use " + buffer.getClass().getName()
+                    + " with this method. Use ByteBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void viewport(int x, int y, int width, int height) {
+        GL11.glViewport(x, y, width, height);
+    }
+
+    @Override
+    public void drawElements(int mode, int count, int type, int indices) {
+        GL11.glDrawElements(mode, count, type, indices);
+    }
+
+    @Override
+    public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride, int ptr) {
+        GL20.glVertexAttribPointer(indx, size, type, normalized, stride, ptr);
+    }
+}
--- a/vtm-desktop-lwjgl3/src/org/oscim/gdx/Lwjgl3GL30.java
+++ b/vtm-desktop-lwjgl3/src/org/oscim/gdx/Lwjgl3GL30.java
@@ -0,0 +1,640 @@
+/*******************************************************************************
+ * Copyright 2011 See AUTHORS file.
+ *
+ * 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.
+ ******************************************************************************/
+
+package org.oscim.gdx;
+
+import com.badlogic.gdx.utils.GdxRuntimeException;
+import org.lwjgl.opengl.*;
+
+import java.nio.*;
+
+/**
+ * See https://github.com/libgdx/libgdx/blob/master/backends/gdx-backend-lwjgl3/src/com/badlogic/gdx/backends/lwjgl3/Lwjgl3GL30.java
+ */
+public class Lwjgl3GL30 extends Lwjgl3GL20 implements org.oscim.backend.GL30 {
+    @Override
+    public void readBuffer(int mode) {
+        GL11.glReadBuffer(mode);
+    }
+
+    @Override
+    public void drawRangeElements(int mode, int start, int end, int count, int type, Buffer indices) {
+        if (indices instanceof ByteBuffer)
+            GL12.glDrawRangeElements(mode, start, end, (ByteBuffer) indices);
+        else if (indices instanceof ShortBuffer)
+            GL12.glDrawRangeElements(mode, start, end, (ShortBuffer) indices);
+        else if (indices instanceof IntBuffer)
+            GL12.glDrawRangeElements(mode, start, end, (IntBuffer) indices);
+        else throw new GdxRuntimeException("indices must be byte, short or int buffer");
+    }
+
+    @Override
+    public void drawRangeElements(int mode, int start, int end, int count, int type, int offset) {
+        GL12.glDrawRangeElements(mode, start, end, count, type, offset);
+    }
+
+    @Override
+    public void texImage3D(int target, int level, int internalformat, int width, int height, int depth, int border, int format,
+                           int type, Buffer pixels) {
+        if (pixels == null)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (ByteBuffer) null);
+        else if (pixels instanceof ByteBuffer)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (ByteBuffer) pixels);
+        else if (pixels instanceof ShortBuffer)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (ShortBuffer) pixels);
+        else if (pixels instanceof IntBuffer)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (IntBuffer) pixels);
+        else if (pixels instanceof FloatBuffer)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (FloatBuffer) pixels);
+        else if (pixels instanceof DoubleBuffer)
+            GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, (DoubleBuffer) pixels);
+        else
+            throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
+                    + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void texImage3D(int target, int level, int internalformat, int width, int height, int depth, int border, int format,
+                           int type, int offset) {
+        GL12.glTexImage3D(target, level, internalformat, width, height, depth, border, format, type, offset);
+    }
+
+    @Override
+    public void texSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset, int width, int height, int depth,
+                              int format, int type, Buffer pixels) {
+        if (pixels instanceof ByteBuffer)
+            GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, (ByteBuffer) pixels);
+        else if (pixels instanceof ShortBuffer)
+            GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, (ShortBuffer) pixels);
+        else if (pixels instanceof IntBuffer)
+            GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, (IntBuffer) pixels);
+        else if (pixels instanceof FloatBuffer)
+            GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, (FloatBuffer) pixels);
+        else if (pixels instanceof DoubleBuffer)
+            GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, (DoubleBuffer) pixels);
+        else
+            throw new GdxRuntimeException("Can't use " + pixels.getClass().getName()
+                    + " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
+    }
+
+    @Override
+    public void texSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset, int width, int height, int depth,
+                              int format, int type, int offset) {
+        GL12.glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, offset);
+    }
+
+    @Override
+    public void copyTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset, int x, int y, int width,
+                                  int height) {
+        GL12.glCopyTexSubImage3D(target, level, xoffset, yoffset, zoffset, x, y, width, height);
+    }
+
+    @Override
+    public void genQueries(int n, int[] ids, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            ids[i] = GL15.glGenQueries();
+        }
+    }
+
+    @Override
+    public void genQueries(int n, IntBuffer ids) {
+        for (int i = 0; i < n; i++) {
+            ids.put(GL15.glGenQueries());
+        }
+    }
+
+    @Override
+    public void deleteQueries(int n, int[] ids, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            GL15.glDeleteQueries(ids[i]);
+        }
+    }
+
+    @Override
+    public void deleteQueries(int n, IntBuffer ids) {
+        for (int i = 0; i < n; i++) {
+            GL15.glDeleteQueries(ids.get());
+        }
+    }
+
+    @Override
+    public boolean isQuery(int id) {
+        return GL15.glIsQuery(id);
+    }
+
+    @Override
+    public void beginQuery(int target, int id) {
+        GL15.glBeginQuery(target, id);
+    }
+
+    @Override
+    public void endQuery(int target) {
+        GL15.glEndQuery(target);
+    }
+
+    @Override
+    public void getQueryiv(int target, int pname, IntBuffer params) {
+        GL15.glGetQueryiv(target, pname, params);
+    }
+
+    @Override
+    public void getQueryObjectuiv(int id, int pname, IntBuffer params) {
+        GL15.glGetQueryObjectuiv(id, pname, params);
+    }
+
+    @Override
+    public boolean unmapBuffer(int target) {
+        return GL15.glUnmapBuffer(target);
+    }
+
+    @Override
+    public Buffer getBufferPointerv(int target, int pname) {
+        // FIXME glGetBufferPointerv needs a proper translation
+        // return GL15.glGetBufferPointer(target, pname);
+        throw new UnsupportedOperationException("Not implemented");
+    }
+
+    @Override
+    public void drawBuffers(int n, IntBuffer bufs) {
+        GL20.glDrawBuffers(bufs);
+    }
+
+    @Override
+    public void uniformMatrix2x3fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix2x3fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix3x2fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix3x2fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix2x4fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix2x4fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix4x2fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix4x2fv(location, transpose, value);
+    }
+
+    @Override
+    public void uniformMatrix3x4fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix3x4fv(location, transpose, value);
+    }
+
+
+    @Override
+    public void uniformMatrix4x3fv(int location, int count, boolean transpose, FloatBuffer value) {
+        GL21.glUniformMatrix4x3fv(location, transpose, value);
+    }
+
+    @Override
+    public void blitFramebuffer(int srcX0, int srcY0, int srcX1, int srcY1, int dstX0, int dstY0, int dstX1, int dstY1,
+                                int mask, int filter) {
+        GL30.glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+    }
+
+    @Override
+    public void bindFramebuffer(int target, int framebuffer) {
+        GL30.glBindFramebuffer(target, framebuffer);
+    }
+
+    @Override
+    public void bindRenderbuffer(int target, int renderbuffer) {
+        GL30.glBindRenderbuffer(target, renderbuffer);
+    }
+
+    @Override
+    public int checkFramebufferStatus(int target) {
+        return GL30.glCheckFramebufferStatus(target);
+    }
+
+    @Override
+    public void deleteFramebuffers(int n, IntBuffer framebuffers) {
+        GL30.glDeleteFramebuffers(framebuffers);
+    }
+
+    @Override
+    public void deleteFramebuffer(int framebuffer) {
+        GL30.glDeleteFramebuffers(framebuffer);
+    }
+
+    @Override
+    public void deleteRenderbuffers(int n, IntBuffer renderbuffers) {
+        GL30.glDeleteRenderbuffers(renderbuffers);
+    }
+
+    @Override
+    public void deleteRenderbuffer(int renderbuffer) {
+        GL30.glDeleteRenderbuffers(renderbuffer);
+    }
+
+    @Override
+    public void generateMipmap(int target) {
+        GL30.glGenerateMipmap(target);
+    }
+
+    @Override
+    public void genFramebuffers(int n, IntBuffer framebuffers) {
+        GL30.glGenFramebuffers(framebuffers);
+    }
+
+    @Override
+    public int genFramebuffer() {
+        return GL30.glGenFramebuffers();
+    }
+
+    @Override
+    public void genRenderbuffers(int n, IntBuffer renderbuffers) {
+        GL30.glGenRenderbuffers(renderbuffers);
+    }
+
+    @Override
+    public int genRenderbuffer() {
+        return GL30.glGenRenderbuffers();
+    }
+
+    @Override
+    public void getRenderbufferParameteriv(int target, int pname, IntBuffer params) {
+        GL30.glGetRenderbufferParameteriv(target, pname, params);
+    }
+
+    @Override
+    public boolean isFramebuffer(int framebuffer) {
+        return GL30.glIsFramebuffer(framebuffer);
+    }
+
+    @Override
+    public boolean isRenderbuffer(int renderbuffer) {
+        return GL30.glIsRenderbuffer(renderbuffer);
+    }
+
+    @Override
+    public void renderbufferStorage(int target, int internalformat, int width, int height) {
+        GL30.glRenderbufferStorage(target, internalformat, width, height);
+    }
+
+    @Override
+    public void renderbufferStorageMultisample(int target, int samples, int internalformat, int width, int height) {
+        GL30.glRenderbufferStorageMultisample(target, samples, internalformat, width, height);
+    }
+
+    @Override
+    public void framebufferTexture2D(int target, int attachment, int textarget, int texture, int level) {
+        GL30.glFramebufferTexture2D(target, attachment, textarget, texture, level);
+    }
+
+    @Override
+    public void framebufferRenderbuffer(int target, int attachment, int renderbuffertarget, int renderbuffer) {
+        GL30.glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
+    }
+
+    @Override
+    public void framebufferTextureLayer(int target, int attachment, int texture, int level, int layer) {
+        GL30.glFramebufferTextureLayer(target, attachment, texture, level, layer);
+    }
+
+    @Override
+    public void flushMappedBufferRange(int target, int offset, int length) {
+        GL30.glFlushMappedBufferRange(target, offset, length);
+    }
+
+    @Override
+    public void bindVertexArray(int array) {
+        GL30.glBindVertexArray(array);
+    }
+
+    @Override
+    public void deleteVertexArrays(int n, int[] arrays, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            GL30.glDeleteVertexArrays(arrays[i]);
+        }
+    }
+
+    @Override
+    public void deleteVertexArrays(int n, IntBuffer arrays) {
+        GL30.glDeleteVertexArrays(arrays);
+    }
+
+    @Override
+    public void genVertexArrays(int n, int[] arrays, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            arrays[i] = GL30.glGenVertexArrays();
+        }
+    }
+
+    @Override
+    public void genVertexArrays(int n, IntBuffer arrays) {
+        GL30.glGenVertexArrays(arrays);
+    }
+
+    @Override
+    public boolean isVertexArray(int array) {
+        return GL30.glIsVertexArray(array);
+    }
+
+    @Override
+    public void beginTransformFeedback(int primitiveMode) {
+        GL30.glBeginTransformFeedback(primitiveMode);
+    }
+
+    @Override
+    public void endTransformFeedback() {
+        GL30.glEndTransformFeedback();
+    }
+
+    @Override
+    public void bindBufferRange(int target, int index, int buffer, int offset, int size) {
+        GL30.glBindBufferRange(target, index, buffer, offset, size);
+    }
+
+    @Override
+    public void bindBufferBase(int target, int index, int buffer) {
+        GL30.glBindBufferBase(target, index, buffer);
+    }
+
+    @Override
+    public void transformFeedbackVaryings(int program, String[] varyings, int bufferMode) {
+        GL30.glTransformFeedbackVaryings(program, varyings, bufferMode);
+    }
+
+    @Override
+    public void vertexAttribIPointer(int index, int size, int type, int stride, int offset) {
+        GL30.glVertexAttribIPointer(index, size, type, stride, offset);
+    }
+
+    @Override
+    public void getVertexAttribIiv(int index, int pname, IntBuffer params) {
+        GL30.glGetVertexAttribIiv(index, pname, params);
+    }
+
+    @Override
+    public void getVertexAttribIuiv(int index, int pname, IntBuffer params) {
+        GL30.glGetVertexAttribIuiv(index, pname, params);
+    }
+
+    @Override
+    public void vertexAttribI4i(int index, int x, int y, int z, int w) {
+        GL30.glVertexAttribI4i(index, x, y, z, w);
+    }
+
+    @Override
+    public void vertexAttribI4ui(int index, int x, int y, int z, int w) {
+        GL30.glVertexAttribI4ui(index, x, y, z, w);
+    }
+
+    @Override
+    public void getUniformuiv(int program, int location, IntBuffer params) {
+        GL30.glGetUniformuiv(program, location, params);
+    }
+
+    @Override
+    public int getFragDataLocation(int program, String name) {
+        return GL30.glGetFragDataLocation(program, name);
+    }
+
+    @Override
+    public void uniform1uiv(int location, int count, IntBuffer value) {
+        GL30.glUniform1uiv(location, value);
+    }
+
+    @Override
+    public void uniform3uiv(int location, int count, IntBuffer value) {
+        GL30.glUniform3uiv(location, value);
+    }
+
+    @Override
+    public void uniform4uiv(int location, int count, IntBuffer value) {
+        GL30.glUniform4uiv(location, value);
+    }
+
+    @Override
+    public void clearBufferiv(int buffer, int drawbuffer, IntBuffer value) {
+        GL30.glClearBufferiv(buffer, drawbuffer, value);
+    }
+
+    @Override
+    public void clearBufferuiv(int buffer, int drawbuffer, IntBuffer value) {
+        GL30.glClearBufferuiv(buffer, drawbuffer, value);
+    }
+
+    @Override
+    public void clearBufferfv(int buffer, int drawbuffer, FloatBuffer value) {
+        GL30.glClearBufferfv(buffer, drawbuffer, value);
+    }
+
+    @Override
+    public void clearBufferfi(int buffer, int drawbuffer, float depth, int stencil) {
+        GL30.glClearBufferfi(buffer, drawbuffer, depth, stencil);
+    }
+
+    @Override
+    public String getStringi(int name, int index) {
+        return GL30.glGetStringi(name, index);
+    }
+
+    @Override
+    public void copyBufferSubData(int readTarget, int writeTarget, int readOffset, int writeOffset, int size) {
+        GL31.glCopyBufferSubData(readTarget, writeTarget, readOffset, writeOffset, size);
+    }
+
+    @Override
+    public void getUniformIndices(int program, String[] uniformNames, IntBuffer uniformIndices) {
+        GL31.glGetUniformIndices(program, uniformNames, uniformIndices);
+    }
+
+    @Override
+    public void getActiveUniformsiv(int program, int uniformCount, IntBuffer uniformIndices, int pname, IntBuffer params) {
+        GL31.glGetActiveUniformsiv(program, uniformIndices, pname, params);
+    }
+
+    @Override
+    public int getUniformBlockIndex(int program, String uniformBlockName) {
+        return GL31.glGetUniformBlockIndex(program, uniformBlockName);
+    }
+
+    @Override
+    public void getActiveUniformBlockiv(int program, int uniformBlockIndex, int pname, IntBuffer params) {
+        params.put(GL31.glGetActiveUniformBlocki(program, uniformBlockIndex, pname));
+    }
+
+    @Override
+    public void getActiveUniformBlockName(int program, int uniformBlockIndex, Buffer length, Buffer uniformBlockName) {
+        GL31.glGetActiveUniformBlockName(program, uniformBlockIndex, (IntBuffer) length, (ByteBuffer) uniformBlockName);
+    }
+
+    @Override
+    public String getActiveUniformBlockName(int program, int uniformBlockIndex) {
+        return GL31.glGetActiveUniformBlockName(program, uniformBlockIndex, 1024);
+    }
+
+    @Override
+    public void uniformBlockBinding(int program, int uniformBlockIndex, int uniformBlockBinding) {
+        GL31.glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
+    }
+
+    @Override
+    public void drawArraysInstanced(int mode, int first, int count, int instanceCount) {
+        GL31.glDrawArraysInstanced(mode, first, count, instanceCount);
+    }
+
+    @Override
+    public void drawElementsInstanced(int mode, int count, int type, int indicesOffset, int instanceCount) {
+        GL31.glDrawElementsInstanced(mode, count, type, indicesOffset, instanceCount);
+
+    }
+
+    @Override
+    public void getInteger64v(int pname, LongBuffer params) {
+        GL32.glGetInteger64v(pname, params);
+    }
+
+    @Override
+    public void getBufferParameteri64v(int target, int pname, LongBuffer params) {
+        params.put(GL32.glGetBufferParameteri64(target, pname));
+    }
+
+    @Override
+    public void genSamplers(int count, int[] samplers, int offset) {
+        for (int i = offset; i < offset + count; i++) {
+            samplers[i] = GL33.glGenSamplers();
+        }
+    }
+
+    @Override
+    public void genSamplers(int count, IntBuffer samplers) {
+        GL33.glGenSamplers(samplers);
+    }
+
+    @Override
+    public void deleteSamplers(int count, int[] samplers, int offset) {
+        for (int i = offset; i < offset + count; i++) {
+            GL33.glDeleteSamplers(samplers[i]);
+        }
+    }
+
+    @Override
+    public void deleteSamplers(int count, IntBuffer samplers) {
+        GL33.glDeleteSamplers(samplers);
+    }
+
+    @Override
+    public boolean isSampler(int sampler) {
+        return GL33.glIsSampler(sampler);
+    }
+
+    @Override
+    public void bindSampler(int unit, int sampler) {
+        GL33.glBindSampler(unit, sampler);
+    }
+
+    @Override
+    public void samplerParameteri(int sampler, int pname, int param) {
+        GL33.glSamplerParameteri(sampler, pname, param);
+    }
+
+    @Override
+    public void samplerParameteriv(int sampler, int pname, IntBuffer param) {
+        GL33.glSamplerParameteriv(sampler, pname, param);
+    }
+
+    @Override
+    public void samplerParameterf(int sampler, int pname, float param) {
+        GL33.glSamplerParameterf(sampler, pname, param);
+    }
+
+    @Override
+    public void samplerParameterfv(int sampler, int pname, FloatBuffer param) {
+        GL33.glSamplerParameterfv(sampler, pname, param);
+    }
+
+    @Override
+    public void getSamplerParameteriv(int sampler, int pname, IntBuffer params) {
+        GL33.glGetSamplerParameterIiv(sampler, pname, params);
+    }
+
+    @Override
+    public void getSamplerParameterfv(int sampler, int pname, FloatBuffer params) {
+        GL33.glGetSamplerParameterfv(sampler, pname, params);
+    }
+
+    @Override
+    public void vertexAttribDivisor(int index, int divisor) {
+        GL33.glVertexAttribDivisor(index, divisor);
+    }
+
+    @Override
+    public void bindTransformFeedback(int target, int id) {
+        GL40.glBindTransformFeedback(target, id);
+    }
+
+    @Override
+    public void deleteTransformFeedbacks(int n, int[] ids, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            GL40.glDeleteTransformFeedbacks(ids[i]);
+        }
+    }
+
+    @Override
+    public void deleteTransformFeedbacks(int n, IntBuffer ids) {
+        GL40.glDeleteTransformFeedbacks(ids);
+    }
+
+    @Override
+    public void genTransformFeedbacks(int n, int[] ids, int offset) {
+        for (int i = offset; i < offset + n; i++) {
+            ids[i] = GL40.glGenTransformFeedbacks();
+        }
+    }
+
+    @Override
+    public void genTransformFeedbacks(int n, IntBuffer ids) {
+        GL40.glGenTransformFeedbacks(ids);
+    }
+
+    @Override
+    public boolean isTransformFeedback(int id) {
+        return GL40.glIsTransformFeedback(id);
+    }
+
+    @Override
+    public void pauseTransformFeedback() {
+        GL40.glPauseTransformFeedback();
+    }
+
+    @Override
+    public void resumeTransformFeedback() {
+        GL40.glResumeTransformFeedback();
+    }
+
+    @Override
+    public void programParameteri(int program, int pname, int value) {
+        GL41.glProgramParameteri(program, pname, value);
+    }
+
+    @Override
+    public void invalidateFramebuffer(int target, int numAttachments, IntBuffer attachments) {
+        GL43.glInvalidateFramebuffer(target, attachments);
+    }
+
+    @Override
+    public void invalidateSubFramebuffer(int target, int numAttachments, IntBuffer attachments, int x, int y, int width,
+                                         int height) {
+        GL43.glInvalidateSubFramebuffer(target, attachments, x, y, width, height);
+    }
+}
--- a/vtm-desktop/build.gradle
+++ b/vtm-desktop/build.gradle
@@ -3,7 +3,6 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm-gdx')
-    api "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
    api 'com.github.blackears:svgSalamander:v1.1.1'
 }

--- a/vtm-desktop/src/org/oscim/awt/AwtPaint.java
+++ b/vtm-desktop/src/org/oscim/awt/AwtPaint.java
@@ -1,7 +1,7 @@
 /*
 * Copyright 2010, 2011, 2012, 2013 mapsforge.org
 * Copyright 2013 Hannes Janetzek
- * Copyright 2016-2017 devemux86
+ * Copyright 2016-2019 devemux86
 * Copyright 2017 nebular
 * Copyright 2018 Gustl22
 *
@@ -22,12 +22,7 @@ package org.oscim.awt;

 import org.oscim.backend.canvas.Paint;

-import java.awt.BasicStroke;
-import java.awt.Color;
-import java.awt.Font;
-import java.awt.FontMetrics;
-import java.awt.Graphics2D;
-import java.awt.Stroke;
+import java.awt.*;
 import java.awt.font.TextAttribute;
 import java.awt.image.BufferedImage;
 import java.text.AttributedCharacterIterator.Attribute;
@@ -125,8 +120,8 @@ public class AwtPaint implements Paint {
    Font font = DEFAULT_FONT; // new Font("Default", Font.PLAIN, 13);
    Stroke stroke;
    Style style = Style.FILL;
-    private int cap = getCap(Cap.BUTT);
-    private int join = getJoin(Join.MITER);
+    private int cap = getCap(Cap.ROUND);
+    private int join = getJoin(Join.ROUND);
    private float strokeWidth;
    private float textSize = DEFAULT_FONT.getSize();

--- a/vtm-extras/build.gradle
+++ b/vtm-extras/build.gradle
@@ -3,9 +3,10 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm')
-    api 'com.fasterxml.jackson.core:jackson-core:2.8.4'
-    api 'org.locationtech.jts:jts-core:1.15.0'
-    api 'org.openstreetmap.osmosis:osmosis-osm-binary:0.46'
+    api 'com.fasterxml.jackson.core:jackson-core:2.9.9'
+    // https://github.com/locationtech/jts/issues/145
+    api 'org.locationtech.jts:jts-core:1.15.1'
+    api 'org.openstreetmap.osmosis:osmosis-osm-binary:0.47'
 }

 sourceSets {
--- a/vtm-extras/src/org/oscim/tiling/source/overpass/OverpassTileSource.java
+++ b/vtm-extras/src/org/oscim/tiling/source/overpass/OverpassTileSource.java
@@ -78,6 +78,6 @@ public class OverpassTileSource extends UrlTileSource {

    @Override
    public ITileDataSource getDataSource() {
-        return new OverzoomTileDataSource(new UrlTileDataSource(this, new OverpassTileDecoder(), getHttpEngine()), mOverZoom);
+        return new OverzoomTileDataSource(new UrlTileDataSource(this, new TileDecoder(), getHttpEngine()), mOverZoom);
    }
 }
--- a/vtm-extras/src/org/oscim/tiling/source/overpass/OverpassTileDecoder.java
+++ b/vtm-extras/src/org/oscim/tiling/source/overpass/OverpassTileDecoder.java
@@ -39,14 +39,14 @@ import java.io.InputStream;
 import static org.oscim.core.MercatorProjection.latitudeToY;
 import static org.oscim.core.MercatorProjection.longitudeToX;

-public class OverpassTileDecoder implements ITileDecoder {
+public class TileDecoder implements ITileDecoder {

    private final MapElement mMapElement;
    private ITileDataSink mTileDataSink;

    private double mTileY, mTileX, mTileScale;

-    public OverpassTileDecoder() {
+    public TileDecoder() {
        mMapElement = new MapElement();
        mMapElement.layer = 5;
    }
--- a/vtm-http/build.gradle
+++ b/vtm-http/build.gradle
@@ -3,7 +3,8 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm')
-    api 'com.squareup.okhttp3:okhttp:3.8.0'
+    // https://github.com/square/okhttp/issues/4481
+    api 'com.squareup.okhttp3:okhttp:3.12.5'
 }

 sourceSets {
--- a/vtm-ios-example/build.gradle
+++ b/vtm-ios-example/build.gradle
@@ -3,7 +3,7 @@ buildscript {
        jcenter()
    }
    dependencies {
-        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.5'
+        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.7'
    }
 }

@@ -15,7 +15,7 @@ sourceSets.main.java.srcDirs = ["src/"]
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'

 ext {
-    roboVMVersion = "2.3.5"
+    roboVMVersion = "2.3.7"
 }

 launchIPhoneSimulator.dependsOn build
--- a/vtm-ios/build.gradle
+++ b/vtm-ios/build.gradle
@@ -3,7 +3,7 @@ buildscript {
        jcenter()
    }
    dependencies {
-        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.5'
+        classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.7'
    }
 }

@@ -16,7 +16,7 @@ sourceSets.main.java.srcDirs = ["src/"]
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'

 ext {
-    roboVMVersion = "2.3.5"
+    roboVMVersion = "2.3.7"
 }

 launchIPhoneSimulator.dependsOn build
--- a/vtm-json/build.gradle
+++ b/vtm-json/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm')
-    api 'com.fasterxml.jackson.core:jackson-core:2.8.4'
+    api 'com.fasterxml.jackson.core:jackson-core:2.9.9'
 }

 sourceSets {
--- a/vtm-jts/build.gradle
+++ b/vtm-jts/build.gradle
@@ -3,7 +3,8 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm')
-    api 'org.locationtech.jts:jts-core:1.15.0'
+    // https://github.com/locationtech/jts/issues/145
+    api 'org.locationtech.jts:jts-core:1.15.1'
 }

 sourceSets {
--- a/vtm-jts/src/org/oscim/layers/vector/VectorLayer.java
+++ b/vtm-jts/src/org/oscim/layers/vector/VectorLayer.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -17,18 +17,11 @@
 */
 package org.oscim.layers.vector;

-import org.locationtech.jts.geom.Envelope;
-import org.locationtech.jts.geom.Geometry;
-import org.locationtech.jts.geom.LineString;
 import org.locationtech.jts.geom.Point;
-import org.locationtech.jts.geom.Polygon;
+import org.locationtech.jts.geom.*;
 import org.locationtech.jts.simplify.DouglasPeuckerSimplifier;
 import org.oscim.backend.canvas.Color;
-import org.oscim.core.Box;
-import org.oscim.core.GeoPoint;
-import org.oscim.core.GeometryBuffer;
-import org.oscim.core.MapPosition;
-import org.oscim.core.Tile;
+import org.oscim.core.*;
 import org.oscim.event.Gesture;
 import org.oscim.event.GestureListener;
 import org.oscim.event.MotionEvent;
@@ -124,7 +117,7 @@ public class VectorLayer extends AbstractVectorLayer<Drawable> implements Gestur
     *
     * @param drawable
     */
-    public void add(Drawable drawable) {
+    public synchronized void add(Drawable drawable) {
        mDrawables.insert(bbox(drawable.getGeometry(), drawable.getStyle()), drawable);
    }

@@ -135,7 +128,7 @@ public class VectorLayer extends AbstractVectorLayer<Drawable> implements Gestur
     * @param geometry
     * @param style
     */
-    public synchronized void add(Geometry geometry, Style style) {
+    synchronized void add(Geometry geometry, Style style) {
        mDrawables.insert(bbox(geometry, style), new GeometryWithStyle(geometry, style));
    }

--- a/vtm-jts/src/org/oscim/layers/vector/geometries/Style.java
+++ b/vtm-jts/src/org/oscim/layers/vector/geometries/Style.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -94,7 +94,7 @@ public class Style {
    public static class Builder {

        private float strokeWidth = 1f;
-        private int strokeColor = Color.GRAY;
+        public int strokeColor = Color.GRAY;
        private int fillColor = Color.GRAY;
        private float fillAlpha = 0.25f;

--- a/vtm-mvt/build.gradle
+++ b/vtm-mvt/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'maven'

 dependencies {
    api project(':vtm')
-    api 'com.wdtinc:mapbox-vector-tile:3.0.0'
+    api 'com.wdtinc:mapbox-vector-tile:3.1.0'
 }

 sourceSets {
--- a/vtm-mvt/src/org/oscim/tiling/source/mvt/MapilionMvtTileSource.java
+++ b/vtm-mvt/src/org/oscim/tiling/source/mvt/MapilionMvtTileSource.java
@@ -65,6 +65,6 @@ public class MapilionMvtTileSource extends UrlTileSource {

    @Override
    public ITileDataSource getDataSource() {
-        return new OverzoomTileDataSource(new UrlTileDataSource(this, new MvtTileDecoder(locale), getHttpEngine()), mOverZoom);
+        return new OverzoomTileDataSource(new UrlTileDataSource(this, new TileDecoder(locale), getHttpEngine()), mOverZoom);
    }
 }
--- a/vtm-mvt/src/org/oscim/tiling/source/mvt/MapzenMvtTileSource.java
+++ b/vtm-mvt/src/org/oscim/tiling/source/mvt/MapzenMvtTileSource.java
@@ -69,6 +69,6 @@ public class MapzenMvtTileSource extends UrlTileSource {

    @Override
    public ITileDataSource getDataSource() {
-        return new OverzoomTileDataSource(new UrlTileDataSource(this, new MvtTileDecoder(locale), getHttpEngine()), mOverZoom);
+        return new OverzoomTileDataSource(new UrlTileDataSource(this, new TileDecoder(locale), getHttpEngine()), mOverZoom);
    }
 }
--- a/vtm-mvt/src/org/oscim/tiling/source/mvt/NextzenMvtTileSource.java
+++ b/vtm-mvt/src/org/oscim/tiling/source/mvt/NextzenMvtTileSource.java
@@ -66,6 +66,6 @@ public class NextzenMvtTileSource extends UrlTileSource {

    @Override
    public ITileDataSource getDataSource() {
-        return new OverzoomTileDataSource(new UrlTileDataSource(this, new MvtTileDecoder(locale), getHttpEngine()), mOverZoom);
+        return new OverzoomTileDataSource(new UrlTileDataSource(this, new TileDecoder(locale), getHttpEngine()), mOverZoom);
    }
 }
--- a/vtm-mvt/src/org/oscim/tiling/source/mvt/OpenMapTilesMvtTileSource.java
+++ b/vtm-mvt/src/org/oscim/tiling/source/mvt/OpenMapTilesMvtTileSource.java
@@ -69,6 +69,6 @@ public class OpenMapTilesMvtTileSource extends UrlTileSource {

    @Override
    public ITileDataSource getDataSource() {
-        return new OverzoomTileDataSource(new UrlTileDataSource(this, new MvtTileDecoder(locale), getHttpEngine()), mOverZoom);
+        return new OverzoomTileDataSource(new UrlTileDataSource(this, new TileDecoder(locale), getHttpEngine()), mOverZoom);
    }
 }
--- a/vtm-mvt/src/org/oscim/tiling/source/mvt/MvtTileDecoder.java
+++ b/vtm-mvt/src/org/oscim/tiling/source/mvt/MvtTileDecoder.java
@@ -42,7 +42,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.Map;

-public class MvtTileDecoder implements ITileDecoder {
+public class TileDecoder implements ITileDecoder {
    private final String mLocale;

    private static final float REF_TILE_SIZE = 4096.0f;
@@ -52,11 +52,11 @@ public class MvtTileDecoder implements ITileDecoder {
    private final MapElement mMapElement;
    private ITileDataSink mTileDataSink;

-    public MvtTileDecoder() {
+    public TileDecoder() {
        this("");
    }

-    public MvtTileDecoder(String locale) {
+    public TileDecoder(String locale) {
        mLocale = locale;
        mGeomFactory = new GeometryFactory();
        mMapElement = new MapElement();
--- a/vtm-playground/build.gradle
+++ b/vtm-playground/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'application'

 dependencies {
-    implementation project(':vtm-desktop')
+    implementation project(':vtm-desktop-lwjgl')
    file("${rootDir}/vtm-desktop/natives").eachDir() { dir ->
        implementation files(dir.path)
    }
--- a/vtm-playground/src/org/oscim/test/AnimatorTest.java
+++ b/vtm-playground/src/org/oscim/test/AnimatorTest.java
@@ -18,7 +18,6 @@
 package org.oscim.test;

 import com.badlogic.gdx.Input;
-
 import org.oscim.core.BoundingBox;
 import org.oscim.gdx.GdxMapApp;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
--- a/vtm-playground/src/org/oscim/test/AtlasMarkerLayerTest.java
+++ b/vtm-playground/src/org/oscim/test/AtlasMarkerLayerTest.java
@@ -1,99 +0,0 @@
-/*
- * Copyright 2016-2018 devemux86
- * Copyright 2017 Longri
- *
- * 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.test;
-
-import org.oscim.backend.CanvasAdapter;
-import org.oscim.backend.canvas.Bitmap;
-import org.oscim.core.GeoPoint;
-import org.oscim.gdx.GdxMapApp;
-import org.oscim.layers.marker.ItemizedLayer;
-import org.oscim.layers.marker.MarkerItem;
-import org.oscim.layers.marker.MarkerSymbol;
-import org.oscim.layers.tile.bitmap.BitmapTileLayer;
-import org.oscim.renderer.atlas.TextureAtlas;
-import org.oscim.renderer.atlas.TextureRegion;
-import org.oscim.tiling.TileSource;
-import org.oscim.tiling.source.OkHttpEngine;
-import org.oscim.tiling.source.bitmap.DefaultSources;
-import org.oscim.utils.TextureAtlasUtils;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-
-import static org.oscim.layers.marker.MarkerSymbol.HotspotPlace;
-
-public class AtlasMarkerLayerTest extends MarkerLayerTest {
-
-    @Override
-    public void createLayers() {
-        try {
-            // Map events receiver
-            mMap.layers().add(new MapEventsReceiver(mMap));
-
-            TileSource tileSource = DefaultSources.OPENSTREETMAP
-                    .httpFactory(new OkHttpEngine.OkHttpFactory())
-                    .build();
-            mMap.layers().add(new BitmapTileLayer(mMap, tileSource));
-
-            mMap.setMapPosition(0, 0, 1 << 2);
-
-            Bitmap bitmapPoi = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_poi.png"));
-            Bitmap bitmapFocus = CanvasAdapter.decodeBitmap(getClass().getResourceAsStream("/res/marker_focus.png"));
-
-            // Create Atlas from Bitmaps
-            java.util.Map<Object, Bitmap> inputMap = new LinkedHashMap<>();
-            java.util.Map<Object, TextureRegion> regionsMap = new LinkedHashMap<>();
-            List<TextureAtlas> atlasList = new ArrayList<>();
-
-            inputMap.put("poi", bitmapPoi);
-            inputMap.put("focus", bitmapFocus);
-
-            // Bitmaps will never used any more
-            // With iOS we must flip the Y-Axis
-            TextureAtlasUtils.createTextureRegions(inputMap, regionsMap, atlasList, true, false);
-
-            MarkerSymbol symbol;
-            if (BILLBOARDS)
-                symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.BOTTOM_CENTER);
-            else
-                symbol = new MarkerSymbol(regionsMap.get("poi"), HotspotPlace.CENTER, false);
-
-            if (BILLBOARDS)
-                mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.BOTTOM_CENTER);
-            else
-                mFocusMarker = new MarkerSymbol(regionsMap.get("focus"), HotspotPlace.CENTER, false);
-
-            mMarkerLayer = new ItemizedLayer<>(mMap, new ArrayList<MarkerItem>(), symbol, this);
-            mMap.layers().add(mMarkerLayer);
-
-            List<MarkerItem> pts = new ArrayList<>();
-            for (double lat = -90; lat <= 90; lat += 5) {
-                for (double lon = -180; lon <= 180; lon += 5)
-                    pts.add(new MarkerItem(lat + "/" + lon, "", new GeoPoint(lat, lon)));
-            }
-            mMarkerLayer.addItems(pts);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
-    public static void main(String[] args) {
-        GdxMapApp.init();
-        GdxMapApp.run(new AtlasMarkerLayerTest());
-    }
-}
--- a/vtm-playground/src/org/oscim/test/BitmapTileTest.java
+++ b/vtm-playground/src/org/oscim/test/BitmapTileTest.java
@@ -17,7 +17,6 @@
 package org.oscim.test;

 import com.badlogic.gdx.Input;
-
 import org.oscim.gdx.GdxMapApp;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import org.oscim.renderer.MapRenderer;
--- a/vtm-playground/src/org/oscim/test/ClusterMarkerLayerTest.java
+++ b/vtm-playground/src/org/oscim/test/ClusterMarkerLayerTest.java
@@ -20,13 +20,7 @@ import org.oscim.backend.canvas.Bitmap;
 import org.oscim.backend.canvas.Color;
 import org.oscim.core.GeoPoint;
 import org.oscim.gdx.GdxMapApp;
-import org.oscim.layers.marker.ClusterMarkerRenderer;
-import org.oscim.layers.marker.ItemizedLayer;
-import org.oscim.layers.marker.MarkerItem;
-import org.oscim.layers.marker.MarkerLayer;
-import org.oscim.layers.marker.MarkerRenderer;
-import org.oscim.layers.marker.MarkerRendererFactory;
-import org.oscim.layers.marker.MarkerSymbol;
+import org.oscim.layers.marker.*;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
 import org.oscim.tiling.TileSource;
 import org.oscim.tiling.source.OkHttpEngine;
--- a/vtm-playground/src/org/oscim/test/ExternalRenderThemeTest.java
+++ b/vtm-playground/src/org/oscim/test/ExternalRenderThemeTest.java
@@ -17,7 +17,6 @@
 package org.oscim.test;

 import com.badlogic.gdx.Input;
-
 import org.oscim.gdx.GdxMapApp;
 import org.oscim.layers.tile.vector.VectorTileLayer;
 import org.oscim.layers.tile.vector.labeling.LabelLayer;
--- a/vtm-playground/src/org/oscim/test/ExtrusionsTest.java
+++ b/vtm-playground/src/org/oscim/test/ExtrusionsTest.java
@@ -28,7 +28,7 @@ import org.oscim.theme.VtmThemes;
 public class ExtrusionsTest extends GdxMapApp {

    enum GroundShape {
-        HEXAGON, RECTANGLE, SHAPE_L, SHAPE_O, SHAPE_T, SHAPE_U, SHAPE_V, SHAPE_X, SHAPE_Z, TEST
+        HEXAGON, RECTANGLE, SHAPE_L, SHAPE_M, SHAPE_O, SHAPE_T, SHAPE_U, SHAPE_V, SHAPE_X, SHAPE_Z, TEST
    }

    /**
@@ -123,6 +123,9 @@ public class ExtrusionsTest extends GdxMapApp {
            case SHAPE_L:
                shapeLGround(e);
                break;
+            case SHAPE_M:
+                shapeMGround(e);
+                break;
            case SHAPE_O:
                shapeOGround(e);
                break;
@@ -181,6 +184,19 @@ public class ExtrusionsTest extends GdxMapApp {
        e.addPoint(0, 10);
    }

+    private void shapeMGround(MapElement e) {
+        e.addPoint(0, 0);
+        e.addPoint(10, 0);
+        e.addPoint(10, 5);
+        e.addPoint(20, 5);
+        e.addPoint(20, 20);
+        e.addPoint(37, 20);
+        e.addPoint(37, 25);
+        e.addPoint(12, 25);
+        e.addPoint(12, 15);
+        e.addPoint(0, 15);
+    }
+
    private void shapeOGround(MapElement e) {
        hexagonGround(e);
        e.reverse();
--- a/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java
+++ b/vtm-playground/src/org/oscim/test/GdxSpriteBatchTest.java
@@ -24,7 +24,6 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.utils.viewport.ScreenViewport;
 import com.badlogic.gdx.utils.viewport.Viewport;
-
 import org.oscim.backend.GL;
 import org.oscim.core.Point;
 import org.oscim.gdx.GdxMapApp;
--- a/vtm-playground/src/org/oscim/test/LineRenderTest.java
+++ b/vtm-playground/src/org/oscim/test/LineRenderTest.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -18,7 +18,6 @@
 package org.oscim.test;

 import com.badlogic.gdx.Input;
-
 import org.oscim.backend.CanvasAdapter;
 import org.oscim.backend.canvas.Color;
 import org.oscim.backend.canvas.Paint.Cap;
@@ -78,7 +77,7 @@ public class LineRenderTest extends GdxMapApp {
        TextureItem tex = null;
        try {
            tex = new TextureItem(CanvasAdapter.getBitmapAsset("", "patterns/dot.png"));
-            tex.mipmap = true;
+            //tex.mipmap = true;
        } catch (IOException e) {
            e.printStackTrace();
        }
--- a/vtm-playground/src/org/oscim/test/LineTest.java
+++ b/vtm-playground/src/org/oscim/test/LineTest.java
@@ -2,7 +2,6 @@ package org.oscim.test;

 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
-
 import org.oscim.backend.canvas.Color;
 import org.oscim.core.GeometryBuffer;
 import org.oscim.gdx.GdxMapApp;
--- a/vtm-playground/src/org/oscim/test/LineTexTest.java
+++ b/vtm-playground/src/org/oscim/test/LineTexTest.java
@@ -1,6 +1,6 @@
 /*
 * Copyright 2014 Hannes Janetzek
- * Copyright 2016-2018 devemux86
+ * Copyright 2016-2019 devemux86
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
@@ -38,7 +38,7 @@ import java.util.List;

 public class LineTexTest extends GdxMapApp {

-    private static final boolean ANIMATION = false;
+    private static final boolean ANIMATION = true;

    private List<PathLayer> mPathLayers = new ArrayList<>();
    private TextureItem tex;
@@ -54,7 +54,7 @@ public class LineTexTest extends GdxMapApp {

        try {
            tex = new TextureItem(CanvasAdapter.getBitmapAsset("", "patterns/pike.png"));
-            tex.mipmap = true;
+            //tex.mipmap = true;
        } catch (IOException e) {
            e.printStackTrace();
        }
--- a/vtm-playground/src/org/oscim/test/MapilionMvtTest.java
+++ b/vtm-playground/src/org/oscim/test/MapilionMvtTest.java
@@ -14,6 +14,8 @@
 */
 package org.oscim.test;

+import okhttp3.Cache;
+import okhttp3.OkHttpClient;
 import org.oscim.core.MapPosition;
 import org.oscim.gdx.GdxMapApp;
 import org.oscim.layers.tile.bitmap.BitmapTileLayer;
@@ -29,9 +31,6 @@ import org.oscim.tiling.source.mvt.MapilionMvtTileSource;
 import java.io.File;
 import java.util.UUID;

-import okhttp3.Cache;
-import okhttp3.OkHttpClient;
-
 public class MapilionMvtTest extends GdxMapApp {

    // Metered API key for demonstration purposes
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Emux	bf6b325ce8	0.13.0	2020-01-12 15:31:31 +02:00
Emux	b43dfc53e4	Gradle: declare UTF-8 encoding for Java compile	2020-01-02 15:06:47 +02:00
Emux	883ed23272	Merge pull request #759 from mapsforge/themes Render themes: avoid patterns and textures because of old GPU issues	2019-12-25 13:58:17 +02:00
Emux	0a0c2b3ce0	Render themes: avoid patterns and textures because of old GPU issues	2019-12-25 13:36:42 +02:00
Emux	c783255b97	Mapsforge: reduce points on-the-fly while reading from map files (except lines) #757	2019-12-17 17:54:27 +02:00
Emux	c689ad9e67	Merge pull request #758 from mapsforge/cap Fix stroke cap line ending	2019-12-15 15:40:48 +02:00
Emux	0fabe4c738	Update changelog	2019-12-15 15:39:49 +02:00
Emux	d4a95dad19	Fix stroke cap line ending	2019-12-15 15:30:02 +02:00
Emux	4405b6235a	AwtPaint: use round as default cap / join, like Mapsforge #92	2019-12-15 15:14:34 +02:00
Emux	766b0d9914	Mapsforge: reduce points on-the-fly while reading from map files (improvements) #757	2019-12-14 15:29:26 +02:00
Emux	412cacd1c2	Merge pull request #757 from mapsforge/mapsforge Mapsforge: reduce points on-the-fly while reading from map files	2019-12-12 12:55:49 +02:00
Emux	299592d352	Update changelog	2019-12-12 12:53:30 +02:00
Emux	d512731d06	Mapsforge: reduce points on-the-fly while reading from map files	2019-12-12 12:26:19 +02:00
Emux	b2a8d3040a	Render themes: area outlines as separate lines #121	2019-12-11 15:00:12 +02:00
Emux	892ea92580	Render themes: revert tessellation in water areas except sea #224	2019-12-11 12:37:03 +02:00
Emux	f7acfd9017	Samples improvements	2019-12-10 13:26:31 +02:00
Emux	701ac43746	Update Mapsforge-Maps.md	2019-12-09 14:58:18 +02:00
Emux	b926310296	Update Android Gradle plugin (#755 )	2019-12-07 16:46:06 +02:00
Carlos Alberto Martínez Gadea	49d1e7bafc	ItemizedLayer: Added a check that prevents Gestures from being processed if the Layer is not enabled (#754 )	2019-12-04 11:18:08 +02:00
Emux	6f697ed6f8	Update changelog	2019-12-02 11:23:39 +02:00
Justus Schmidt	cdcae29ae1	Mapsforge: Move tileprojection to convert E6 int directly to tile coordinates (#752 )	2019-12-02 11:10:01 +02:00
Emux	a13c4a3793	Merge pull request #753 from mapsforge/bitmap AndroidGraphics: drawable to bitmap for Android >= 9	2019-11-30 15:43:19 +02:00
Emux	031a3bfa00	Android samples: simplify bitmap reading	2019-11-30 15:24:27 +02:00
Emux	7122e1fbc5	AndroidGraphics: drawable to bitmap for Android >= 9	2019-11-30 15:17:14 +02:00
Emux	6ed00d9a94	Style.Builder: make strokeColor public	2019-11-20 20:23:26 +02:00
Emux	327d6f1466	Animator: smooth scaling	2019-11-12 17:54:27 +02:00
Emux	17a135813b	Update Android Gradle plugin	2019-11-08 10:02:55 +02:00
Emux	0dd82cb68f	MapScaleBar: fix scaling	2019-11-05 15:03:18 +02:00
Emux	ae04fa83f6	MapScaleBar: minor code improvements	2019-11-04 18:26:34 +02:00
Emux	4bfcdadb76	MapScaleBar: minor optimization	2019-11-04 13:41:05 +02:00
Emux	fa5a72f20d	MercatorProjection: minor code improvements	2019-11-04 13:39:45 +02:00
Emux	d81eb3d706	LocationRenderer: keep the position for which the overlay is compiled	2019-10-29 10:00:40 +02:00
Emux	97332e3e73	Merge pull request #750 from mapsforge/location Location texture renderer: rewrite and optimize	2019-10-25 11:50:25 +03:00
Emux	e4a4857eb8	Update changelog	2019-10-25 11:50:03 +03:00
Emux	80018de754	Location texture renderer: rewrite and optimize	2019-10-25 11:43:51 +03:00
Emux	01bb7ca074	Merge pull request #749 from mapsforge/opengl Android: OpenGL ES 2.0 default for performance / stability	2019-10-25 11:17:43 +03:00
Emux	a8f5eee505	Update changelog	2019-10-25 11:16:37 +03:00
Emux	644cf9dcb6	Android: OpenGL ES 2.0 default for performance / stability	2019-10-25 11:03:33 +03:00
Emux	cb0109ba42	Samples: use Mapsforge release version	2019-10-23 19:04:42 +03:00
Emux	2fa5afec11	Layers: make updateLayers public	2019-10-23 18:59:45 +03:00
Emux	69ea1e414a	Location shader improvements	2019-10-22 18:21:43 +03:00
Emux	4866abe38e	Merge pull request #748 from mapsforge/location Location renderers: allow fixed center position	2019-10-18 14:12:33 +03:00
Emux	4c10d5848b	Location renderers: allow fixed center position	2019-10-17 15:00:53 +03:00
Emux	faed3d05a5	VectorLayer: hide non usable add(Geometry, Style) method	2019-10-17 11:10:26 +03:00
Emux	88a9a9ee7f	Polygon labels: use centroid position if available #734	2019-10-04 18:24:14 +03:00
Emux	3915e3343d	Merge pull request #745 from Gustl22/s3db_profile S3DB: shape profiles as constants	2019-10-04 10:10:36 +03:00
Gustl22	b22c023f1a	S3DB: shape profiles as constants	2019-10-03 16:48:55 +02:00
Emux	5de7c9ec38	Update Android Gradle plugin	2019-10-03 09:39:10 +03:00
Gustl22	14c485914c	S3DB: roof shape profiles (#744 )	2019-10-03 09:32:57 +03:00
Emux	c20922b5f5	Tile decoders refactoring	2019-10-01 18:48:10 +03:00
Emux	1294ff9fea	Symbols on lines doc improvements #743	2019-10-01 09:41:58 +03:00
Emux	992d9c8e66	Samples improvements	2019-09-30 20:03:15 +03:00
Emux	948449b3ec	Fix Android samples on old Android	2019-09-29 15:09:46 +03:00
Emux	0c1c06c1bb	Allow threaded system initialization	2019-09-28 22:36:17 +03:00
Emux	7ad3f4a0b1	Merge pull request #743 from mapsforge/symbol Render themes - symbols on lines: add billboard, rotate options	2019-09-28 19:45:05 +03:00
Emux	c5836adc17	Update changelog	2019-09-28 19:44:29 +03:00
Emux	107a429517	Render themes: use symbols on lines for oneways	2019-09-28 19:38:54 +03:00
Emux	2cb0a80c47	LineStyle, SymbolStyle: use scale on repeat values	2019-09-28 19:38:22 +03:00
Emux	db9f83120a	Render themes - symbols on lines: add billboard, rotate options	2019-09-28 18:50:20 +03:00
Emux	5facdb9888	XmlThemeBuilder: disable mipmap for sharper rendering	2019-09-28 18:29:47 +03:00
Emux	3f3caa1912	Update changelog	2019-09-23 19:39:33 +03:00
Emux	03b9f224b2	Render themes: improve nature park & reserve rendering	2019-09-23 19:17:52 +03:00
Emux	c013465d49	Render themes: improve nature reserve rendering	2019-09-23 18:39:52 +03:00
Emux	c91833519e	Update dependencies	2019-09-18 21:11:15 +03:00
Emux	055cd54beb	0.12.0	2019-09-17 10:11:09 +03:00
Emux	3eaad42903	Update changelog	2019-09-14 20:13:49 +03:00
Emux	6ab98419df	Update documentation	2019-09-09 13:12:22 +03:00
Konstantinos Tzounopoulos	a9e18a2add	MBTiles vector tile source (#740 ) Support offline vector maps (MBTiles, MVT, gzipped pbf)	2019-09-09 12:47:24 +03:00
Emux	83aed13683	Scale bar: allow extend unit adapters	2019-08-27 15:00:26 +03:00
Emux	5779d10632	Update Gradle	2019-08-21 12:51:32 +03:00
Emux	85e818d788	Merge pull request #739 from marq24/just_docupdate Application: added GPSLogger II	2019-08-12 17:22:35 +03:00
Matthias Marquardt	cc1d4cf6d9	added GPSLogger II (available since 12.08.2019 with VTM)	2019-08-12 15:25:05 +02:00
Emux	0404effca3	Update Android build tools	2019-08-08 12:22:39 +03:00
Emux	eef1a8c779	ViewController: make syncViewport public	2019-08-07 10:59:29 +03:00
Emux	527fc3d42d	Update changelog	2019-08-06 18:25:22 +03:00
Emux	53b262f190	Merge pull request #737 from mapsforge/bg Render themes: text background color (highway shields)	2019-08-06 18:22:12 +03:00
Emux	dcb7b0d10c	Render themes: text background color (highway shields)	2019-08-06 18:17:37 +03:00
Emux	e6137163b9	Update samples	2019-08-02 12:35:07 +03:00
Emux	2cf9a4a472	Update changelog	2019-08-02 11:17:31 +03:00
marq24	55d8797f37	Create centroids based on non clipped ways (#734 ) - introduced a new member to the MapElement to store the pre-calculated centroid of the way (none clipped) - auto create element.centroidPosition based on all (none clipped) points of a osm-way - skipping rendering of centered symbols, if OFF screen - introduced Parameter to enable/disable the feature	2019-08-02 11:15:53 +03:00
Emux	653c6489b9	Update ISSUE_TEMPLATE.md	2019-08-02 11:11:40 +03:00
Emux	c19e06b718	Update ISSUE_TEMPLATE.md	2019-08-01 20:31:43 +03:00
Emux	5de4c6b7ab	XmlThemeBuilder: check texture load result for line symbols	2019-07-31 21:49:45 +03:00
Emux	900448f8d3	MapElement: revert clear(), #735	2019-07-31 13:57:06 +03:00
Emux	4be42dbc0f	MapElement: fix clear() method, #735	2019-07-31 13:34:01 +03:00
Emux	72ba3d6429	MapDatabase: clean label position, fix #735	2019-07-31 12:48:04 +03:00
Emux	f5815203c4	Disable 'optimal' placement of labels or symbols on polygons	2019-07-31 10:50:20 +03:00
Emux	0c050c7405	libGDX 1.9.10, fix #731	2019-07-25 13:02:59 +03:00
Emux	71bf1390f6	Update Android Gradle plugin	2019-07-10 20:20:28 +03:00
Murray Hughes	368cf1ff4a	XmlThemeBuilder: fix texture loaded from style patterns (#729 )	2019-06-24 20:42:23 +03:00
Emux	c526599e20	Android 10 targetSdkVersion with runtime permissions, #728	2019-06-17 11:55:27 +03:00
Emux	fcf7272f2e	Android 10 compatibility, fix #728	2019-06-16 21:03:37 +03:00
Emux	cf2bdb251b	LocationRenderer: more public members	2019-06-06 09:46:53 +03:00
Izumi Kawashima	551c0231a0	R-tree k-nearest neighbors search improvements (#727 )	2019-05-19 14:57:47 +03:00
Emux	70741d8f5b	Update Gradle Android plugin	2019-05-17 20:16:10 +03:00
Emux	9209afba01	Update Changelog.md	2019-05-17 19:51:36 +03:00
Gustl22	9e81473d36	Improve Gradle Android versioning for sub-modules (#726 )	2019-05-17 19:47:55 +03:00
Izumi Kawashima	ffeaf1b81c	k-nearest neighbors search in R-tree (#725 )	2019-05-17 18:55:38 +03:00
Emux	efab21f4f2	Merge pull request #724 from Gustl22/shader_improvements Adapt / refactor shader uniforms and attributes	2019-05-17 17:56:02 +03:00
Gustl22	a6ce05034a	Adapt / refactor shader uniforms and attributes	2019-05-16 08:19:09 +02:00
Emux	634d67a206	Fix marker touch events, fix #723	2019-05-13 18:35:13 +03:00
Gustl22	30ae0fb48f	Javadoc improvements	2019-04-26 11:44:43 +03:00
Gustl22	5740290a9b	Map tilt improvements (#718 )	2019-04-26 11:44:43 +03:00
Emux	149d5d9057	Update desktop.md	2019-04-22 11:09:58 +03:00
Emux	fe2d806d73	Update docs	2019-04-22 10:59:39 +03:00
Emux	63ccf0dcfa	vtm-desktop-lwjgl: revert package #259	2019-04-22 10:25:04 +03:00
Gustl22	5f1c3c3186	Desktop LWJGL3 backend (#717 )	2019-04-22 10:19:03 +03:00
Emux	b98505c815	Update docs	2019-04-20 14:48:31 +03:00
Gustl22	5979161611	vtm-desktop: decouple libGDX LWJGL backend (#714 )	2019-04-20 14:34:51 +03:00
Gustl22	d6e55edd8e	CircleBucket: enable POINT_SPRITE on desktop (#716 )	2019-04-20 14:30:27 +03:00
Gustl22	431eadaa87	RenderBuckets: constant TILE_FILL_VERTICES (#715 )	2019-04-20 14:21:45 +03:00
Emux	df82ebfaa6	Buildings translucency does not work on macOS #61	2019-04-19 10:54:03 +03:00
Emux	b5ee7c1b46	Update Gradle	2019-04-18 20:29:50 +03:00