diff --git a/Ryujinx.Common/Ryujinx.Common.csproj b/Ryujinx.Common/Ryujinx.Common.csproj index ef5bbae7..9a83c2b4 100644 --- a/Ryujinx.Common/Ryujinx.Common.csproj +++ b/Ryujinx.Common/Ryujinx.Common.csproj @@ -7,7 +7,6 @@ - diff --git a/Ryujinx.Common/System/ForceDpiAware.cs b/Ryujinx.Common/System/ForceDpiAware.cs index d40d5f5e..8d19876e 100644 --- a/Ryujinx.Common/System/ForceDpiAware.cs +++ b/Ryujinx.Common/System/ForceDpiAware.cs @@ -1,6 +1,5 @@ using Ryujinx.Common.Logging; using System; -using System.Drawing; using System.Globalization; using System.Runtime.InteropServices; @@ -51,7 +50,7 @@ namespace Ryujinx.Common.System { if (OperatingSystem.IsWindows()) { - userDpiScale = Graphics.FromHwnd(IntPtr.Zero).DpiX; + userDpiScale = GdiPlusHelper.GetDpiX(IntPtr.Zero); } else if (OperatingSystem.IsLinux()) { diff --git a/Ryujinx.Common/System/GdiPlusHelper.cs b/Ryujinx.Common/System/GdiPlusHelper.cs new file mode 100644 index 00000000..c084c651 --- /dev/null +++ b/Ryujinx.Common/System/GdiPlusHelper.cs @@ -0,0 +1,76 @@ +using System; +using System.Runtime.InteropServices; +using System.Runtime.Versioning; + +namespace Ryujinx.Common.System +{ + [SupportedOSPlatform("windows")] + public static class GdiPlusHelper + { + private const string LibraryName = "gdiplus.dll"; + + private static readonly IntPtr _initToken; + + static GdiPlusHelper() + { + CheckStatus(GdiplusStartup(out _initToken, StartupInputEx.Default, out _)); + } + + private static void CheckStatus(int gdiStatus) + { + if (gdiStatus != 0) + { + throw new Exception($"GDI Status Error: {gdiStatus}"); + } + } + + private struct StartupInputEx + { + public int GdiplusVersion; + +#pragma warning disable CS0649 + public IntPtr DebugEventCallback; + public int SuppressBackgroundThread; + public int SuppressExternalCodecs; + public int StartupParameters; +#pragma warning restore CS0649 + + public static StartupInputEx Default => new StartupInputEx + { + // We assume Windows 8 and upper + GdiplusVersion = 2, + DebugEventCallback = IntPtr.Zero, + SuppressBackgroundThread = 0, + SuppressExternalCodecs = 0, + StartupParameters = 0, + }; + } + + private struct StartupOutput + { + public IntPtr NotificationHook; + public IntPtr NotificationUnhook; + } + + [DllImport(LibraryName)] + private static extern int GdiplusStartup(out IntPtr token, in StartupInputEx input, out StartupOutput output); + + [DllImport(LibraryName)] + private static extern int GdipCreateFromHWND(IntPtr hwnd, out IntPtr graphics); + + [DllImport(LibraryName)] + private static extern int GdipDeleteGraphics(IntPtr graphics); + + [DllImport(LibraryName)] + private static extern int GdipGetDpiX(IntPtr graphics, out float dpi); + + public static float GetDpiX(IntPtr hwnd) + { + CheckStatus(GdipCreateFromHWND(hwnd, out IntPtr graphicsHandle)); + CheckStatus(GdipGetDpiX(graphicsHandle, out float result)); + CheckStatus(GdipDeleteGraphics(graphicsHandle)); + + return result; + } + } +}