[Qt] Implement QMapboxGL::jumpTo

platform/qt/include/qmapbox.hpp

@@ -3,6 +3,7 @@
 
 #include <QList>
 #include <QPair>
+#include <QVariant>
 #include <QString>
 
 // This header follows the Qt coding style: https://wiki.qt.io/Qt_Coding_Style
@@ -30,9 +31,19 @@ enum NetworkMode {
     Offline,
 };
 
+struct Q_DECL_EXPORT CameraOptions {
+    QVariant center;  // Coordinate
+    QVariant anchor;  // QPointF
+    QVariant zoom;    // double
+    QVariant angle;   // double
+    QVariant pitch;   // double
+};
+
 Q_DECL_EXPORT NetworkMode networkMode();
 Q_DECL_EXPORT void setNetworkMode(NetworkMode);
 
 }
 
+Q_DECLARE_METATYPE(QMapbox::Coordinate);
+
 #endif // QMAPBOX_H

platform/qt/include/qmapboxgl.hpp

@@ -125,6 +125,8 @@ public:
     void setCoordinate(const QMapbox::Coordinate &);
     void setCoordinateZoom(const QMapbox::Coordinate &, double zoom);
 
+    void jumpTo(const QMapbox::CameraOptions&);
+
     void setGestureInProgress(bool inProgress);
 
     void addClass(const QString &);

platform/qt/src/qmapboxgl.cpp

@@ -7,6 +7,7 @@
 #include <mbgl/map/map.hpp>
 #include <mbgl/sprite/sprite_image.hpp>
 #include <mbgl/storage/network_status.hpp>
+#include <mbgl/util/constants.hpp>
 #include <mbgl/util/geo.hpp>
 #include <mbgl/util/vec.hpp>
 
@@ -209,6 +210,32 @@ void QMapboxGL::setCoordinateZoom(const Coordinate &coordinate_, double zoom_)
             mbgl::LatLng { coordinate_.first, coordinate_.second }, zoom_, d_ptr->margins);
 }
 
+void QMapboxGL::jumpTo(const CameraOptions& camera)
+{
+    mbgl::CameraOptions mbglCamera;
+    if (camera.center.isValid()) {
+        const Coordinate center = camera.center.value<Coordinate>();
+        mbglCamera.center = mbgl::LatLng { center.first, center.second };
+    }
+    if (camera.anchor.isValid()) {
+        const QPointF anchor = camera.anchor.value<QPointF>();
+        mbglCamera.anchor = mbgl::ScreenCoordinate { anchor.x(), anchor.y() };
+    }
+    if (camera.zoom.isValid()) {
+        mbglCamera.zoom = camera.zoom.value<double>();
+    }
+    if (camera.angle.isValid()) {
+        mbglCamera.angle = -camera.angle.value<double>() * mbgl::util::DEG2RAD;
+    }
+    if (camera.pitch.isValid()) {
+        mbglCamera.pitch = camera.pitch.value<double>() * mbgl::util::DEG2RAD;
+    }
+
+    mbglCamera.padding = d_ptr->margins;
+
+    d_ptr->mapObj->jumpTo(mbglCamera);
+}
+
 double QMapboxGL::bearing() const
 {
     return d_ptr->mapObj->getBearing();