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#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 struct _DPIU_WINDOW_CONTEXT
{
UINT nDpi;
} DPIU_WINDOW_CONTEXT;
typedef HRESULT (APIENTRY *PFN_GETDPIFORMONITOR)(
__in HMONITOR hmonitor,
__in MONITOR_DPI_TYPE dpiType,
__in UINT* dpiX,
__in UINT* dpiY
);
typedef UINT (APIENTRY *PFN_GETDPIFORWINDOW)(
__in HWND hwnd
);
void DAPI DpiuInitialize();
void DAPI DpiuUninitialize();
/********************************************************************
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
);
#ifdef __cplusplus
}
#endif
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