From 34533ad4f13a5cec77f449c4b2ca200c54800a10 Mon Sep 17 00:00:00 2001
From: Arvid Gerstmann <dev@arvid-g.de>
Date: Fri, 13 Jul 2018 23:41:38 +0200
Subject: [PATCH] Dynamically import GetDpiForSystem, to support older Windows
 versions

---
 standalone/src/main.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/standalone/src/main.cpp b/standalone/src/main.cpp
index 355f7eb7..6ae6f8aa 100644
--- a/standalone/src/main.cpp
+++ b/standalone/src/main.cpp
@@ -51,7 +51,13 @@ int main( int argc, char** argv )
 
     float dpiScale = 1.f;
 #ifdef _WIN32
-    dpiScale = GetDpiForSystem() / 96.f;
+    typedef UINT(*GDFS)(void);
+    GDFS getDpiForSystem = nullptr;
+    HMODULE dll = GetModuleHandleW(L"user32.dll");
+    if (dll != INVALID_HANDLE_VALUE)
+        getDpiForSystem = (GDFS)GetProcAddress(dll, "GetDpiForSystem");
+    if (getDpiForSystem)
+        dpiScale = getDpiForSystem() / 96.f;
 #endif
 
     // Setup ImGui binding