merge

sys/winnt/win10.c

@@ -0,0 +1,42 @@
+/* NetHack 3.6	win10.c	$NHDT-Date: 1432512810 2015/05/25 00:13:30 $  $NHDT-Branch: master $:$NHDT-Revision: 1.15 $ */
+/* Copyright (C) 2018 by Bart House 	 */
+/* NetHack may be freely redistributed.  See license for details. */
+
+#include <process.h>
+#include "winMS.h"
+#include "hack.h"
+#include "win10.h"
+#include <VersionHelpers.h>
+
+Win10 gWin10 = { 0 };
+
+void win10_init()
+{
+    if (IsWindows10OrGreater())
+    {
+        HINSTANCE hUser32 = LoadLibraryA("user32.dll");
+
+        if (hUser32 == NULL) 
+            panic("Unable to load user32.dll");
+
+        gWin10.GetThreadDpiAwarenessContext = (GetThreadDpiAwarenessContextProc) GetProcAddress(hUser32, "GetThreadDpiAwarenessContext");
+        if (gWin10.GetThreadDpiAwarenessContext == NULL)
+            panic("Unable to get address of GetThreadDpiAwarenessContext()");
+
+        gWin10.AreDpiAwarenessContextsEqual = (AreDpiAwarenessContextsEqualProc) GetProcAddress(hUser32, "AreDpiAwarenessContextsEqual");
+        if (gWin10.AreDpiAwarenessContextsEqual == NULL)
+            panic("Unable to get address of AreDpiAwarenessContextsEqual");
+
+        FreeLibrary(hUser32);
+
+        gWin10.Valid = TRUE;
+    }
+
+    if (gWin10.Valid) {
+        if (!gWin10.AreDpiAwarenessContextsEqual(
+                gWin10.GetThreadDpiAwarenessContext(),
+                DPI_AWARENESS_CONTEXT_UNAWARE))
+            panic("Unexpected DpiAwareness state");
+    }
+
+}