1 files changed, 60 insertions, 0 deletions
diff --git a/platform/android/src/snapshotter/map_snapshot.cpp b/platform/android/src/snapshotter/map_snapshot.cpp
new file mode 100644
index 0000000000..f5092b3c56
--- /dev/null
+++ b/platform/android/src/snapshotter/map_snapshot.cpp
@@ -0,0 +1,60 @@
+#include "map_snapshot.hpp"
+
+#include "../bitmap.hpp"
+#include "../jni/collection.hpp"
+
+#include <memory>
+
+namespace mbgl {
+namespace android {
+
+MapSnapshot::MapSnapshot(float pixelRatio_, MapSnapshot::PointForFn pointForFn_)
+    : pixelRatio(pixelRatio_)
+    , pointForFn(std::move(pointForFn_)) {
+}
+
+MapSnapshot::~MapSnapshot() = default;
+
+jni::Object<PointF> MapSnapshot::pixelForLatLng(jni::JNIEnv& env, jni::Object<LatLng> jLatLng) {
+    ScreenCoordinate point = pointForFn(LatLng::getLatLng(env, jLatLng));
+    return PointF::New(env, point.x * pixelRatio, point.y * pixelRatio);
+}
+
+
+// Static methods //
+
+jni::Object<MapSnapshot> MapSnapshot::New(JNIEnv& env,
+                                          PremultipliedImage&& image,
+                                          float pixelRatio,
+                                          std::vector<std::string> attributions,
+                                          bool showLogo,
+                                          mbgl::MapSnapshotter::PointForFn pointForFn) {
+    // Create the bitmap
+    auto bitmap = Bitmap::CreateBitmap(env, std::move(image));
+
+    // Create the Mapsnapshot peers
+    static auto constructor = javaClass.GetConstructor<jni::jlong, jni::Object<Bitmap>, jni::Array<jni::String>, jni::jboolean>(env);
+    auto nativePeer = std::make_unique<MapSnapshot>(pixelRatio, pointForFn);
+    return javaClass.New(env, constructor, reinterpret_cast<jlong>(nativePeer.release()), bitmap, jni::Make<jni::Array<jni::String>>(env, attributions), (jni::jboolean) showLogo);
+}
+
+jni::Class<MapSnapshot> MapSnapshot::javaClass;
+
+void MapSnapshot::registerNative(jni::JNIEnv& env) {
+    // Lookup the class
+    MapSnapshot::javaClass = *jni::Class<MapSnapshot>::Find(env).NewGlobalRef(env).release();
+
+#define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
+
+    // Register the peer
+    jni::RegisterNativePeer<MapSnapshot>(env, MapSnapshot::javaClass,
+                                            "nativePtr",
+                                            std::make_unique<MapSnapshot, JNIEnv&>,
+                                            "initialize",
+                                            "finalize",
+                                            METHOD(&MapSnapshot::pixelForLatLng, "pixelForLatLng")
+    );
+}
+
+} // namespace android
+} // namespace mbgl