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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Reflection;
using System.Runtime.InteropServices;
namespace System.Drawing;
internal static partial class Gdip
{
private static readonly bool s_initialized = Init();
[ThreadStatic]
private static IDictionary<object, object>? t_threadData;
private static unsafe bool Init()
{
if (!OperatingSystem.IsWindows())
{
NativeLibrary.SetDllImportResolver(Assembly.GetExecutingAssembly(), static (_, _, _) =>
throw new PlatformNotSupportedException(SR.PlatformNotSupported_Unix));
}
return GdiPlusInitialization.EnsureInitialized();
}
internal static bool Initialized => s_initialized;
/// <summary>
/// This property will give us back a dictionary we can use to store all of our static brushes and pens on
/// a per-thread basis. This way we can avoid 'object in use' crashes when different threads are
/// referencing the same drawing object.
/// </summary>
internal static IDictionary<object, object> ThreadData => t_threadData ??= new Dictionary<object, object>();
internal static void CheckStatus(Status status) => status.ThrowIfFailed();
internal static Exception StatusException(Status status) => status.GetException();
}
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