tei/MapLibreParticleLab
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[android] - convert camera position values coming from core (#8794)

Browse Source
This commit is contained in:
Tobrun
2017-04-21 19:15:26 +02:00
committed by GitHub
parent 3c23faf65a
commit ed51462428
2 changed files with 17 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
platform/android/src/map/camera_position.cpp
View File

@@ -6,9 +6,24 @@ namespace android {
jni::Object<CameraPosition> CameraPosition::New(jni::JNIEnv &env, mbgl::CameraOptions options) {
static auto constructor = CameraPosition::javaClass.GetConstructor<jni::Object<LatLng>, double, double, double>(env);
// wrap LatLng values coming from core
auto center = options.center.value();
center.wrap();
return CameraPosition::javaClass.New(env, constructor, LatLng::New(env, center), options.zoom.value_or(0), options.pitch.value_or(0), options.angle.value_or(0));
// convert bearing, core ranges from [−π rad, π rad], android from 0 to 360 degrees
double bearing_degrees = options.angle.value_or(-M_PI) * 180.0 / M_PI;
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) * 180 / M_PI;
return CameraPosition::javaClass.New(env, constructor, LatLng::New(env, center), options.zoom.value_or(0), tilt_degrees, bearing_degrees);
}
void CameraPosition::registerNative(jni::JNIEnv &env) {