Add ratio argument to render.cpp (#7161)

1 files changed, 4 insertions, 2 deletions

diff --git a/bin/render.cpp b/bin/render.cpp
index 6dd948204c..12ad1626ce 100644
--- a/bin/render.cpp
+++ b/bin/render.cpp
@@ -27,6 +27,7 @@ int main(int argc, char *argv[]) {
     double bearing = 0;
     double pitch = 0;
 
+    uint32_t pixelRatio = 1;
     uint32_t width = 512;
     uint32_t height = 512;
     static std::string output = "out.png";
@@ -46,6 +47,7 @@ int main(int argc, char *argv[]) {
         ("pitch,p", po::value(&pitch)->value_name("degrees")->default_value(pitch), "Pitch")
         ("width,w", po::value(&width)->value_name("pixels")->default_value(width), "Image width")
         ("height,h", po::value(&height)->value_name("pixels")->default_value(height), "Image height")
+        ("ratio,r", po::value(&pixelRatio)->value_name("number")->default_value(pixelRatio), "Image scale factor")
         ("class,c", po::value(&classes)->value_name("name"), "Class name")
         ("token,t", po::value(&token)->value_name("key")->default_value(token), "Mapbox access token")
         ("debug", po::bool_switch(&debug)->default_value(debug), "Debug mode")
@@ -84,9 +86,9 @@ int main(int argc, char *argv[]) {
     }
 
     HeadlessBackend backend;
-    OffscreenView view(backend.getContext(), { width, height });
+    OffscreenView view(backend.getContext(), { width * pixelRatio, height * pixelRatio });
     ThreadPool threadPool(4);
-    Map map(backend, view.size, 1, fileSource, threadPool, MapMode::Still);
+    Map map(backend, mbgl::Size { width, height }, pixelRatio, fileSource, threadPool, MapMode::Still);
 
     map.setStyleJSON(style);
     map.setClasses(classes);