From df7755fcd98f98ed546cc02b1ada6feda66a3125 Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Mon, 9 Oct 2017 16:47:32 +0300
Subject: [default] headless frontend - allow access to the transform state

---
 platform/default/mbgl/gl/headless_frontend.cpp | 10 ++++++++++
 platform/default/mbgl/gl/headless_frontend.hpp |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/platform/default/mbgl/gl/headless_frontend.cpp b/platform/default/mbgl/gl/headless_frontend.cpp
index 5d2932258a..2cbb624bd0 100644
--- a/platform/default/mbgl/gl/headless_frontend.cpp
+++ b/platform/default/mbgl/gl/headless_frontend.cpp
@@ -1,6 +1,8 @@
 #include <mbgl/gl/headless_frontend.hpp>
 #include <mbgl/renderer/renderer.hpp>
+#include <mbgl/renderer/update_parameters.hpp>
 #include <mbgl/map/map.hpp>
+#include <mbgl/map/transform_state.hpp>
 #include <mbgl/util/run_loop.hpp>
 
 namespace mbgl {
@@ -83,4 +85,12 @@ PremultipliedImage HeadlessFrontend::render(Map& map) {
     return result;
 }
 
+optional<TransformState> HeadlessFrontend::getTransformState() const {
+    if (updateParameters) {
+        return updateParameters->transformState;
+    } else {
+        return {};
+    }
+}
+
 } // namespace mbgl
diff --git a/platform/default/mbgl/gl/headless_frontend.hpp b/platform/default/mbgl/gl/headless_frontend.hpp
index 33503bc13b..4d1116904e 100644
--- a/platform/default/mbgl/gl/headless_frontend.hpp
+++ b/platform/default/mbgl/gl/headless_frontend.hpp
@@ -14,6 +14,7 @@ class Scheduler;
 class Renderer;
 class RendererBackend;
 class Map;
+class TransformState;
 
 class HeadlessFrontend : public RendererFrontend {
 public:
@@ -34,6 +35,8 @@ public:
     PremultipliedImage readStillImage();
     PremultipliedImage render(Map&);
 
+    optional<TransformState> getTransformState() const;
+
 private:
     Size size;
     float pixelRatio;
-- 
cgit v1.2.1