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misc: Remove dependency on System.Drawing.Common (#4082)

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We only used it in one spot for DPI scaling factor.

This implements the same behaviour using gdiplus.

This remove 700KB of dependency to download and around 170KB unpacked.
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Mary-nyan 2022-12-09 18:00:53 +01:00 committed by GitHub
parent dca96122bf
commit 872f036d64
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 77 additions and 3 deletions
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1
Ryujinx.Common/Ryujinx.Common.csproj
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@ -7,7 +7,6 @@
<ItemGroup>
<PackageReference Include="MsgPack.Cli" Version="1.0.1" />
<PackageReference Include="System.Drawing.Common" Version="7.0.0" />
<PackageReference Include="System.Management" Version="7.0.0" />
</ItemGroup>

3
Ryujinx.Common/System/ForceDpiAware.cs
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@ -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())
{

76
Ryujinx.Common/System/GdiPlusHelper.cs Normal file
View file

@ -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;
}
}
}