From 31873725d7612621792af2258c55ab414b64acb6 Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Mon, 2 Oct 2017 17:22:36 +0300
Subject: [core] map snapshotter - add mutators

---
 platform/default/mbgl/map/map_snapshotter.cpp | 85 +++++++++++++++++++++++++--
 platform/default/mbgl/map/map_snapshotter.hpp | 17 ++++++
 2 files changed, 98 insertions(+), 4 deletions(-)

diff --git a/platform/default/mbgl/map/map_snapshotter.cpp b/platform/default/mbgl/map/map_snapshotter.cpp
index 95c46344fe..058e03c71b 100644
--- a/platform/default/mbgl/map/map_snapshotter.cpp
+++ b/platform/default/mbgl/map/map_snapshotter.cpp
@@ -20,6 +20,18 @@ public:
          const optional<LatLngBounds> region,
          const optional<std::string> programCacheDir);
 
+    void setStyleURL(std::string styleURL);
+    std::string getStyleURL() const;
+
+    void setSize(Size);
+    Size getSize() const;
+
+    void setCameraOptions(CameraOptions);
+    CameraOptions getCameraOptions() const;
+
+    void setRegion(LatLngBounds);
+    LatLngBounds getRegion() const;
+
     void snapshot(ActorRef<MapSnapshotter::Callback>);
 
 private:
@@ -44,9 +56,7 @@ MapSnapshotter::Impl::Impl(FileSource& fileSource,
 
     // Set region, if specified
     if (region) {
-        mbgl::EdgeInsets insets = { 0, 0, 0, 0 };
-        std::vector<LatLng> latLngs = { region->southwest(), region->northeast() };
-        map.jumpTo(map.cameraForLatLngs(latLngs, insets));
+        this->setRegion(*region);
     }
 }
 
@@ -56,6 +66,41 @@ void MapSnapshotter::Impl::snapshot(ActorRef<MapSnapshotter::Callback> callback)
     });
 }
 
+void MapSnapshotter::Impl::setStyleURL(std::string styleURL) {
+    map.getStyle().loadURL(styleURL);
+}
+
+std::string MapSnapshotter::Impl::getStyleURL() const {
+    return map.getStyle().getURL();
+}
+
+void MapSnapshotter::Impl::setSize(Size size) {
+    map.setSize(size);
+}
+
+Size MapSnapshotter::Impl::getSize() const {
+    return map.getSize();
+}
+
+void MapSnapshotter::Impl::setCameraOptions(CameraOptions cameraOptions) {
+    map.jumpTo(cameraOptions);
+}
+
+CameraOptions MapSnapshotter::Impl::getCameraOptions() const {
+    EdgeInsets insets;
+    return map.getCameraOptions(insets);
+}
+
+void MapSnapshotter::Impl::setRegion(LatLngBounds region) {
+    mbgl::EdgeInsets insets = { 0, 0, 0, 0 };
+    std::vector<LatLng> latLngs = { region.southwest(), region.northeast() };
+    map.jumpTo(map.cameraForLatLngs(latLngs, insets));
+}
+
+LatLngBounds MapSnapshotter::Impl::getRegion() const {
+    return map.latLngBoundsForCamera(getCameraOptions());
+}
+
 MapSnapshotter::MapSnapshotter(FileSource& fileSource,
                                Scheduler& scheduler,
                                const std::string& styleURL,
@@ -70,7 +115,39 @@ MapSnapshotter::MapSnapshotter(FileSource& fileSource,
 MapSnapshotter::~MapSnapshotter() = default;
 
 void MapSnapshotter::snapshot(ActorRef<MapSnapshotter::Callback> callback) {
-   impl->actor().invoke(&Impl::snapshot, std::move(callback));
+    impl->actor().invoke(&Impl::snapshot, std::move(callback));
+}
+
+void MapSnapshotter::setStyleURL(const std::string& styleURL) {
+    impl->actor().invoke(&Impl::setStyleURL, styleURL);
+}
+
+std::string MapSnapshotter::getStyleURL() const {
+    return impl->actor().ask(&Impl::getStyleURL).get();
+}
+
+void MapSnapshotter::setSize(const Size& size) {
+    impl->actor().invoke(&Impl::setSize, size);
+}
+
+Size MapSnapshotter::getSize() const {
+    return impl->actor().ask(&Impl::getSize).get();
+}
+
+void MapSnapshotter::setCameraOptions(const CameraOptions& options) {
+    impl->actor().invoke(&Impl::setCameraOptions, options);
+}
+
+CameraOptions MapSnapshotter::getCameraOptions() const {
+    return impl->actor().ask(&Impl::getCameraOptions).get();
+}
+
+void MapSnapshotter::setRegion(const LatLngBounds& bounds) {
+    impl->actor().invoke(&Impl::setRegion, std::move(bounds));
+}
+
+LatLngBounds MapSnapshotter::getRegion() const {
+    return impl->actor().ask(&Impl::getRegion).get();
 }
 
 } // namespace mbgl
diff --git a/platform/default/mbgl/map/map_snapshotter.hpp b/platform/default/mbgl/map/map_snapshotter.hpp
index 0afa848fd8..2450fa7612 100644
--- a/platform/default/mbgl/map/map_snapshotter.hpp
+++ b/platform/default/mbgl/map/map_snapshotter.hpp
@@ -5,6 +5,7 @@
 #include <mbgl/util/optional.hpp>
 
 #include <exception>
+#include <memory>
 #include <string>
 #include <functional>
 
@@ -16,6 +17,10 @@ class FileSource;
 class Size;
 class LatLngBounds;
 
+namespace style {
+class Style;
+} // namespace style
+
 class MapSnapshotter {
 public:
     MapSnapshotter(FileSource& fileSource,
@@ -29,6 +34,18 @@ public:
 
     ~MapSnapshotter();
 
+    void setStyleURL(const std::string& styleURL);
+    std::string getStyleURL() const;
+
+    void setSize(const Size&);
+    Size getSize() const;
+
+    void setCameraOptions(const CameraOptions&);
+    CameraOptions getCameraOptions() const;
+
+    void setRegion(const LatLngBounds&);
+    LatLngBounds getRegion() const;
+
     using Callback = std::function<void (std::exception_ptr, PremultipliedImage)>;
     void snapshot(ActorRef<Callback>);
 
-- 
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