1 files changed, 120 insertions, 0 deletions

diff --git a/src/libs/dutil/WixToolset.DUtil/inc/dpiutil.h b/src/libs/dutil/WixToolset.DUtil/inc/dpiutil.h
new file mode 100644
index 00000000..b30e2332
--- /dev/null
+++ b/src/libs/dutil/WixToolset.DUtil/inc/dpiutil.h
@@ -0,0 +1,120 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// from WinUser.h
+#ifndef WM_DPICHANGED
+#define WM_DPICHANGED       0x02E0
+#endif
+#ifndef USER_DEFAULT_SCREEN_DPI
+#define USER_DEFAULT_SCREEN_DPI 96
+#endif
+
+typedef enum DPIU_AWARENESS
+{
+    DPIU_AWARENESS_NONE = 0x0,
+    DPIU_AWARENESS_SYSTEM = 0x1,
+    DPIU_AWARENESS_PERMONITOR = 0x2,
+    DPIU_AWARENESS_PERMONITORV2 = 0x4,
+    DPIU_AWARENESS_GDISCALED = 0x8,
+} DPIU_PROCESS_AWARENESS;
+
+typedef struct _DPIU_MONITOR_CONTEXT
+{
+    UINT nDpi;
+    MONITORINFOEXW mi;
+} DPIU_MONITOR_CONTEXT;
+
+typedef struct _DPIU_WINDOW_CONTEXT
+{
+    UINT nDpi;
+} DPIU_WINDOW_CONTEXT;
+
+typedef BOOL (APIENTRY* PFN_ADJUSTWINDOWRECTEXFORDPI)(
+    __in LPRECT lpRect,
+    __in DWORD dwStyle,
+    __in BOOL bMenu,
+    __in DWORD dwExStyle,
+    __in UINT dpi
+    );
+typedef UINT (APIENTRY *PFN_GETDPIFORWINDOW)(
+    __in HWND hwnd
+    );
+typedef BOOL (APIENTRY* PFN_SETPROCESSDPIAWARE)();
+typedef BOOL (APIENTRY* PFN_SETPROCESSDPIAWARENESSCONTEXT)(
+    __in DPI_AWARENESS_CONTEXT value
+    );
+
+#ifdef DPI_ENUMS_DECLARED
+typedef HRESULT(APIENTRY* PFN_GETDPIFORMONITOR)(
+    __in HMONITOR hmonitor,
+    __in MONITOR_DPI_TYPE dpiType,
+    __in UINT* dpiX,
+    __in UINT* dpiY
+    );
+typedef HRESULT(APIENTRY* PFN_SETPROCESSDPIAWARENESS)(
+    __in PROCESS_DPI_AWARENESS value
+    );
+#endif
+
+void DAPI DpiuInitialize();
+void DAPI DpiuUninitialize();
+
+/********************************************************************
+ DpiuAdjustWindowRect - calculate the required size of the window rectangle,
+                        based on the desired size of the client rectangle
+                        and the provided DPI.
+
+*******************************************************************/
+void DAPI DpiuAdjustWindowRect(
+    __in RECT* pWindowRect,
+    __in DWORD dwStyle,
+    __in BOOL fMenu,
+    __in DWORD dwExStyle,
+    __in UINT nDpi
+    );
+
+/********************************************************************
+ DpiuGetMonitorContextFromPoint - get the DPI context of the monitor from the given point.
+
+*******************************************************************/
+HRESULT DAPI DpiuGetMonitorContextFromPoint(
+    __in const POINT* pt,
+    __out DPIU_MONITOR_CONTEXT** ppMonitorContext
+    );
+
+/********************************************************************
+ DpiuGetWindowContext - get the DPI context of the given window.
+
+*******************************************************************/
+void DAPI DpiuGetWindowContext(
+    __in HWND hWnd,
+    __in DPIU_WINDOW_CONTEXT* pWindowContext
+    );
+
+/********************************************************************
+ DpiuScaleValue - scale the value to the target DPI.
+
+*******************************************************************/
+int DAPI DpiuScaleValue(
+    __in int nDefaultDpiValue,
+    __in UINT nTargetDpi
+    );
+
+/********************************************************************
+ DpiuSetProcessDpiAwareness - set the process DPI awareness. The ranking is
+     PERMONITORV2 > PERMONITOR > SYSTEM > GDISCALED > NONE.
+
+*******************************************************************/
+HRESULT DAPI DpiuSetProcessDpiAwareness(
+    __in DPIU_AWARENESS supportedAwareness,
+    __in_opt DPIU_AWARENESS* pSelectedAwareness
+    );
+
+#ifdef __cplusplus
+}
+#endif