From 0fbcd630bc57885d6b94fd3c4b3546493e09059e Mon Sep 17 00:00:00 2001 From: Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com> Date: Thu, 15 Dec 2022 12:07:31 -0500 Subject: Replace `DllImport` usage with `LibraryImport` (#4084) * Replace usage of `DllImport` with `LibraryImport` * Mark methods as `partial` * Marshalling * More `partial` & marshalling * More `partial` and marshalling * More partial and marshalling * Update GdiPlusHelper to LibraryImport * Unicorn * More Partial * Marshal * Specify EntryPoint * Specify EntryPoint * Change GlobalMemoryStatusEx to LibraryImport * Change RegisterClassEx to LibraryImport * Define EntryPoints * Update Ryujinx.Ava/Ui/Controls/Win32NativeInterop.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Update Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Move return mashal * Remove calling convention specification * Remove calling conventions * Update Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Update Ryujinx/Modules/Updater/Updater.cs Co-authored-by: Mary-nyan * Update Ryujinx.Ava/Modules/Updater/Updater.cs Co-authored-by: Mary-nyan Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> Co-authored-by: Mary-nyan --- Ryujinx.Common/SystemInterop/GdiPlusHelper.cs | 76 +++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Ryujinx.Common/SystemInterop/GdiPlusHelper.cs (limited to 'Ryujinx.Common/SystemInterop/GdiPlusHelper.cs') diff --git a/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs b/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs new file mode 100644 index 00000000..1001424d --- /dev/null +++ b/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs @@ -0,0 +1,76 @@ +using System; +using System.Runtime.InteropServices; +using System.Runtime.Versioning; + +namespace Ryujinx.Common.SystemInterop +{ + [SupportedOSPlatform("windows")] + public static partial 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; + } + + [LibraryImport(LibraryName)] + private static partial int GdiplusStartup(out IntPtr token, in StartupInputEx input, out StartupOutput output); + + [LibraryImport(LibraryName)] + private static partial int GdipCreateFromHWND(IntPtr hwnd, out IntPtr graphics); + + [LibraryImport(LibraryName)] + private static partial int GdipDeleteGraphics(IntPtr graphics); + + [LibraryImport(LibraryName)] + private static partial 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; + } + } +} -- cgit v1.2.3