Merge branch 'release-boba' into masterupstream/fabian-merge-v4.0.0

# Conflicts:
#	circle.yml
#	include/mbgl/style/expression/let.hpp
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/geometry/LatLngBounds.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapKeyListener.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
#	platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/geometry/LatLngBoundsTest.java
#	platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
#	platform/android/gradle/dependencies.gradle
#	platform/android/src/example_custom_layer.cpp
#	platform/android/src/geojson/point.cpp
#	platform/darwin/src/NSPredicate+MGLAdditions.mm
#	platform/darwin/test/MGLExpressionTests.mm
#	platform/ios/Mapbox-iOS-SDK-nightly-dynamic.podspec
#	platform/ios/Mapbox-iOS-SDK-symbols.podspec
#	platform/ios/Mapbox-iOS-SDK.podspec
#	platform/ios/app/MBXViewController.m
#	src/mbgl/renderer/layers/render_custom_layer.cpp
#	src/mbgl/style/conversion/filter.cpp
#	src/mbgl/style/expression/interpolate.cpp
#	src/mbgl/style/expression/value.cpp
#	test/style/filter.test.cpp

1 files changed, 6 insertions, 3 deletions

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/snapshotter/MapSnapshotter.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/snapshotter/MapSnapshotter.java
index 1c59bb468e..0895096f6e 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/snapshotter/MapSnapshotter.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/snapshotter/MapSnapshotter.java
@@ -82,7 +82,7 @@ public class MapSnapshotter {
    * MapSnapshotter options
    */
   public static class Options {
-    private int pixelRatio = 1;
+    private float pixelRatio = 1;
     private int width;
     private int height;
     private String styleUrl = Style.MAPBOX_STREETS;
@@ -95,6 +95,9 @@ public class MapSnapshotter {
      * @param height the height of the image
      */
     public Options(int width, int height) {
+      if (width == 0 || height == 0) {
+        throw new IllegalArgumentException("Unable to create a snapshot with width or height set to 0");
+      }
       this.width = width;
       this.height = height;
     }
@@ -122,7 +125,7 @@ public class MapSnapshotter {
      * @param pixelRatio the pixel ratio to use (default: 1)
      * @return the mutated {@link Options}
      */
-    public Options withPixelRatio(int pixelRatio) {
+    public Options withPixelRatio(float pixelRatio) {
       this.pixelRatio = pixelRatio;
       return this;
     }
@@ -164,7 +167,7 @@ public class MapSnapshotter {
     /**
      * @return the pixel ratio
      */
-    public int getPixelRatio() {
+    public float getPixelRatio() {
       return pixelRatio;
     }