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#include "map_snapshot.hpp"
#include "../bitmap.hpp"
#include "../jni/collection.hpp"
#include <memory>
namespace mbgl {
namespace android {
MapSnapshot::MapSnapshot(float pixelRatio_, MapSnapshot::PointForFn pointForFn_, MapSnapshot::LatLngForFn latLngForFn_)
: pixelRatio(pixelRatio_)
, pointForFn(std::move(pointForFn_))
, latLngForFn(std::move(latLngForFn_)) {
}
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);
}
jni::Object<LatLng> MapSnapshot::latLngForPixel(jni::JNIEnv& env, jni::Object<PointF>jPoint) {
return LatLng::New(env, latLngForFn(PointF::getScreenCoordinate(env, jPoint)));
}
// Static methods //
jni::Object<MapSnapshot> MapSnapshot::New(JNIEnv& env,
PremultipliedImage&& image,
float pixelRatio,
std::vector<std::string> attributions,
bool showLogo,
mbgl::MapSnapshotter::PointForFn pointForFn,
mbgl::MapSnapshotter::LatLngForFn latLngForFn) {
// 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, latLngForFn);
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::latLngForPixel, "latLngForPixel"),
METHOD(&MapSnapshot::pixelForLatLng, "pixelForLatLng")
);
}
} // namespace android
} // namespace mbgl
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