Initial community commit

Src/external_dependencies/openmpt-trunk/mptrack/MPTrackUtil.h

@@ -0,0 +1,85 @@
+/*
+ * MPTrackUtil.h
+ * -------------
+ * Purpose: Various useful utility functions.
+ * Notes  : (currently none)
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#pragma once
+
+#include "openmpt/all/BuildSettings.hpp"
+
+
+#include <string>
+
+
+OPENMPT_NAMESPACE_BEGIN
+
+
+bool CreateShellFolderLink(const mpt::PathString &path, const mpt::PathString &target, const mpt::ustring &description = mpt::ustring());
+
+bool CreateShellFileLink(const mpt::PathString &path, const mpt::PathString &target, const mpt::ustring &description = mpt::ustring());
+
+
+/*
+ * Gets resource as raw byte data.
+ * [in] lpName and lpType: parameters passed to FindResource().
+ * Return: span representing the resource data, valid as long as hInstance is valid.
+ */
+mpt::const_byte_span GetResource(LPCTSTR lpName, LPCTSTR lpType);
+
+
+CString LoadResourceString(UINT nID);
+
+
+namespace Util
+{
+	// Get horizontal DPI resolution
+	MPT_FORCEINLINE int GetDPIx(HWND hwnd)
+	{
+		HDC dc = ::GetDC(hwnd);
+		int dpi = ::GetDeviceCaps(dc, LOGPIXELSX);
+		::ReleaseDC(hwnd, dc);
+		return dpi;
+	}
+
+	// Get vertical DPI resolution
+	MPT_FORCEINLINE int GetDPIy(HWND hwnd)
+	{
+		HDC dc = ::GetDC(hwnd);
+		int dpi = ::GetDeviceCaps(dc, LOGPIXELSY);
+		::ReleaseDC(hwnd, dc);
+		return dpi;
+	}
+
+	// Applies DPI scaling factor to some given size
+	MPT_FORCEINLINE int ScalePixels(int pixels, HWND hwnd)
+	{
+		return MulDiv(pixels, GetDPIx(hwnd), 96);
+	}
+
+	// Removes DPI scaling factor from some given size
+	MPT_FORCEINLINE int ScalePixelsInv(int pixels, HWND hwnd)
+	{
+		return MulDiv(pixels, 96, GetDPIx(hwnd));
+	}
+}
+
+
+namespace Util
+{
+	inline DWORD64 GetTickCount64()
+	{
+#if (_WIN32_WINNT >= _WIN32_WINNT_VISTA)
+		return ::GetTickCount64();
+#else
+		return ::GetTickCount();
+#endif
+	}
+}
+
+
+OPENMPT_NAMESPACE_END