[general] moving ios and android project under ./platform folder

platform/android/MapboxGLAndroidSDK/src/cpp/map/camera_position.cpp

@@ -0,0 +1,69 @@
+#include "camera_position.hpp"
+#include "../geometry/lat_lng.hpp"
+
+namespace mbgl {
+namespace android {
+
+jni::Local<jni::Object<CameraPosition>> CameraPosition::New(jni::JNIEnv &env, mbgl::CameraOptions options, float pixelRatio) {
+    static auto& javaClass = jni::Class<CameraPosition>::Singleton(env);
+    static auto constructor = javaClass.GetConstructor<jni::Object<LatLng>, double, double, double, jni::Array<jni::jdouble>>(env);
+
+    // wrap LatLng values coming from core
+    auto center = options.center.value();
+    center.wrap();
+
+    // convert bearing, measured in radians counterclockwise from true north.
+    // Wrapped to [−π rad, π rad). Android binding from 0 to 360 degrees
+    double bearing_degrees = options.bearing.value_or(0);
+    while (bearing_degrees > 360) {
+        bearing_degrees -= 360;
+    }
+    while (bearing_degrees < 0) {
+        bearing_degrees += 360;
+    }
+
+    // convert tilt, core ranges from  [0 rad, 1,0472 rad], android ranges from 0 to 60
+    double tilt_degrees = options.pitch.value_or(0);
+
+    std::vector<jdouble> paddingVect;
+    auto insets = options.padding.value_or(EdgeInsets {0, 0, 0, 0});
+    auto padding = jni::Array<jni::jdouble>::New(env, 4);
+    paddingVect.push_back(insets.left() * pixelRatio);
+    paddingVect.push_back(insets.top() * pixelRatio);
+    paddingVect.push_back(insets.right() * pixelRatio);
+    paddingVect.push_back(insets.bottom() * pixelRatio);
+    padding.SetRegion<std::vector<jni::jdouble>>(env, 0, paddingVect);
+
+    return javaClass.New(env, constructor, LatLng::New(env, center), options.zoom.value_or(0), tilt_degrees, bearing_degrees, padding);
+}
+
+mbgl::CameraOptions CameraPosition::getCameraOptions(jni::JNIEnv& env, const jni::Object<CameraPosition>& position, float pixelRatio) {
+    static auto& javaClass = jni::Class<CameraPosition>::Singleton(env);
+    static auto bearing = javaClass.GetField<jni::jdouble>(env, "bearing");
+    static auto target = javaClass.GetField<jni::Object<LatLng>>(env, "target");
+    static auto tilt = javaClass.GetField<jni::jdouble>(env, "tilt");
+    static auto zoom = javaClass.GetField<jni::jdouble>(env, "zoom");
+    static auto paddingField = javaClass.GetField<jni::Array<jni::jdouble>>(env, "padding");
+
+    auto padding = position.Get(env, paddingField);
+    auto center = LatLng::getLatLng(env, position.Get(env, target));
+
+    return mbgl::CameraOptions{center,
+                               padding && padding.Length(env) == 4 ? EdgeInsets{padding.Get(env, 1) * pixelRatio,
+                                                                                padding.Get(env, 0) * pixelRatio,
+                                                                                padding.Get(env, 3) * pixelRatio,
+                                                                                padding.Get(env, 2) * pixelRatio}
+                                                                   : (EdgeInsets){},
+                               {},
+                               position.Get(env, zoom),
+                               position.Get(env, bearing),
+                               position.Get(env, tilt)};
+}
+
+void CameraPosition::registerNative(jni::JNIEnv &env) {
+    jni::Class<CameraPosition>::Singleton(env);
+}
+
+} // namespace android
+} // namespace mb
+