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https://github.com/DarthAffe/RGB.NET.git
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Streamlined usage of NativeLibrary; Changed all device providers to use function pointers when possible
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@@ -13,11 +13,11 @@ using RGB.NET.Core;
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namespace RGB.NET.Devices.Logitech.Native;
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// ReSharper disable once InconsistentNaming
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internal class _LogitechGSDK
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internal static class _LogitechGSDK
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{
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#region Libary Management
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private static IntPtr _dllHandle = IntPtr.Zero;
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private static IntPtr _handle = IntPtr.Zero;
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/// <summary>
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/// Reloads the SDK.
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@@ -30,110 +30,90 @@ internal class _LogitechGSDK
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private static void LoadLogitechGSDK()
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{
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if (_dllHandle != IntPtr.Zero) return;
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if (_handle != IntPtr.Zero) return;
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List<string> possiblePathList = GetPossibleLibraryPaths().ToList();
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// HACK: Load library at runtime to support both, x86 and x64 with one managed dll
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List<string> possiblePathList = (Environment.Is64BitProcess ? LogitechDeviceProvider.PossibleX64NativePaths : LogitechDeviceProvider.PossibleX86NativePaths)
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.Select(Environment.ExpandEnvironmentVariables)
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.ToList();
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string? dllPath = possiblePathList.FirstOrDefault(File.Exists);
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if (dllPath == null) throw new RGBDeviceException($"Can't find the Logitech-SDK at one of the expected locations:\r\n '{string.Join("\r\n", possiblePathList.Select(Path.GetFullPath))}'");
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_dllHandle = LoadLibrary(dllPath);
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if (_dllHandle == IntPtr.Zero) throw new RGBDeviceException($"Logitech LoadLibrary failed with error code {Marshal.GetLastWin32Error()}");
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if (!NativeLibrary.TryLoad(dllPath, out _handle))
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#if NET6_0
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throw new RGBDeviceException($"Logitech LoadLibrary failed with error code {Marshal.GetLastPInvokeError()}");
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#else
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throw new RGBDeviceException($"Logitech LoadLibrary failed with error code {Marshal.GetLastWin32Error()}");
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#endif
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_logiLedInitPointer = (LogiLedInitPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedInit"), typeof(LogiLedInitPointer));
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_logiLedShutdownPointer = (LogiLedShutdownPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedShutdown"), typeof(LogiLedShutdownPointer));
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_logiLedSetTargetDevicePointer = (LogiLedSetTargetDevicePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSetTargetDevice"), typeof(LogiLedSetTargetDevicePointer));
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_logiLedGetSdkVersionPointer = (LogiLedGetSdkVersionPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedGetSdkVersion"), typeof(LogiLedGetSdkVersionPointer));
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_lgiLedSaveCurrentLightingPointer = (LogiLedSaveCurrentLightingPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSaveCurrentLighting"), typeof(LogiLedSaveCurrentLightingPointer));
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_logiLedRestoreLightingPointer = (LogiLedRestoreLightingPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedRestoreLighting"), typeof(LogiLedRestoreLightingPointer));
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_logiLedSetLightingPointer = (LogiLedSetLightingPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSetLighting"), typeof(LogiLedSetLightingPointer));
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_logiLedSetLightingForKeyWithKeyNamePointer = (LogiLedSetLightingForKeyWithKeyNamePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSetLightingForKeyWithKeyName"), typeof(LogiLedSetLightingForKeyWithKeyNamePointer));
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_logiLedSetLightingFromBitmapPointer = (LogiLedSetLightingFromBitmapPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSetLightingFromBitmap"), typeof(LogiLedSetLightingFromBitmapPointer));
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_logiLedSetLightingForTargetZonePointer = (LogiLedSetLightingForTargetZonePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "LogiLedSetLightingForTargetZone"), typeof(LogiLedSetLightingForTargetZonePointer));
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedInit", out _logiLedInitPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedInit'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedShutdown", out _logiLedShutdownPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedShutdown'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSetTargetDevice", out _logiLedSetTargetDevicePointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSetTargetDevice'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedGetSdkVersion", out _logiLedGetSdkVersionPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedGetSdkVersion'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSaveCurrentLighting", out _lgiLedSaveCurrentLightingPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSaveCurrentLighting'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedRestoreLighting", out _logiLedRestoreLightingPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedRestoreLighting'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSetLighting", out _logiLedSetLightingPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSetLighting'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSetLightingForKeyWithKeyName", out _logiLedSetLightingForKeyWithKeyNamePointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSetLightingForKeyWithKeyName'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSetLightingFromBitmap", out _logiLedSetLightingFromBitmapPointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSetLightingFromBitmap'");
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if (!NativeLibrary.TryGetExport(_handle, "LogiLedSetLightingForTargetZone", out _logiLedSetLightingForTargetZonePointer)) throw new RGBDeviceException("Failed to load Logitech function 'LogiLedSetLightingForTargetZone'");
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}
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private static IEnumerable<string> GetPossibleLibraryPaths()
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{
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IEnumerable<string> possibleLibraryPaths;
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if (OperatingSystem.IsWindows())
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possibleLibraryPaths = Environment.Is64BitProcess ? LogitechDeviceProvider.PossibleX64NativePaths : LogitechDeviceProvider.PossibleX86NativePaths;
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else
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possibleLibraryPaths = Enumerable.Empty<string>();
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return possibleLibraryPaths.Select(Environment.ExpandEnvironmentVariables);
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}
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internal static void UnloadLogitechGSDK()
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{
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if (_dllHandle == IntPtr.Zero) return;
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if (_handle == IntPtr.Zero) return;
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LogiLedShutdown();
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_logiLedInitPointer = IntPtr.Zero;
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_logiLedShutdownPointer = IntPtr.Zero;
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_logiLedSetTargetDevicePointer = IntPtr.Zero;
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_logiLedGetSdkVersionPointer = IntPtr.Zero;
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_lgiLedSaveCurrentLightingPointer = IntPtr.Zero;
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_logiLedRestoreLightingPointer = IntPtr.Zero;
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_logiLedSetLightingPointer = IntPtr.Zero;
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_logiLedSetLightingForKeyWithKeyNamePointer = IntPtr.Zero;
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_logiLedSetLightingFromBitmapPointer = IntPtr.Zero;
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_logiLedSetLightingForTargetZonePointer = IntPtr.Zero;
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// ReSharper disable once EmptyEmbeddedStatement - DarthAffe 20.02.2016: We might need to reduce the internal reference counter more than once to set the library free
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while (FreeLibrary(_dllHandle)) ;
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_dllHandle = IntPtr.Zero;
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NativeLibrary.Free(_handle);
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_handle = IntPtr.Zero;
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}
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
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private static extern IntPtr LoadLibrary(string dllToLoad);
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[DllImport("kernel32.dll")]
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private static extern bool FreeLibrary(IntPtr dllHandle);
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[DllImport("kernel32.dll", CharSet = CharSet.Ansi)]
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private static extern IntPtr GetProcAddress(IntPtr dllHandle, string name);
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#endregion
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#region SDK-METHODS
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#region Pointers
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private static LogiLedInitPointer? _logiLedInitPointer;
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private static LogiLedShutdownPointer? _logiLedShutdownPointer;
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private static LogiLedSetTargetDevicePointer? _logiLedSetTargetDevicePointer;
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private static LogiLedGetSdkVersionPointer? _logiLedGetSdkVersionPointer;
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private static LogiLedSaveCurrentLightingPointer? _lgiLedSaveCurrentLightingPointer;
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private static LogiLedRestoreLightingPointer? _logiLedRestoreLightingPointer;
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private static LogiLedSetLightingPointer? _logiLedSetLightingPointer;
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private static LogiLedSetLightingForKeyWithKeyNamePointer? _logiLedSetLightingForKeyWithKeyNamePointer;
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private static LogiLedSetLightingFromBitmapPointer? _logiLedSetLightingFromBitmapPointer;
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private static LogiLedSetLightingForTargetZonePointer? _logiLedSetLightingForTargetZonePointer;
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private static IntPtr _logiLedInitPointer;
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private static IntPtr _logiLedShutdownPointer;
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private static IntPtr _logiLedSetTargetDevicePointer;
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private static IntPtr _logiLedGetSdkVersionPointer;
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private static IntPtr _lgiLedSaveCurrentLightingPointer;
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private static IntPtr _logiLedRestoreLightingPointer;
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private static IntPtr _logiLedSetLightingPointer;
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private static IntPtr _logiLedSetLightingForKeyWithKeyNamePointer;
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private static IntPtr _logiLedSetLightingFromBitmapPointer;
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private static IntPtr _logiLedSetLightingForTargetZonePointer;
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#endregion
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#region Delegates
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internal static unsafe bool LogiLedInit()
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=> ((delegate* unmanaged[Cdecl]<bool>)ThrowIfZero(_logiLedInitPointer))();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedInitPointer();
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internal static unsafe void LogiLedShutdown()
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=> ((delegate* unmanaged[Cdecl]<void>)ThrowIfZero(_logiLedShutdownPointer))();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate void LogiLedShutdownPointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSetTargetDevicePointer(int targetDevice);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedGetSdkVersionPointer(ref int majorNum, ref int minorNum, ref int buildNum);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSaveCurrentLightingPointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedRestoreLightingPointer();
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSetLightingPointer(int redPercentage, int greenPercentage, int bluePercentage);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSetLightingForKeyWithKeyNamePointer(int keyCode, int redPercentage, int greenPercentage, int bluePercentage);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSetLightingFromBitmapPointer(byte[] bitmap);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate bool LogiLedSetLightingForTargetZonePointer(LogitechDeviceType deviceType, int zone, int redPercentage, int greenPercentage, int bluePercentage);
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#endregion
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// ReSharper disable EventExceptionNotDocumented
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internal static bool LogiLedInit() => (_logiLedInitPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke();
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internal static void LogiLedShutdown() => (_logiLedShutdownPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke();
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internal static bool LogiLedSetTargetDevice(LogitechDeviceCaps targetDevice) => (_logiLedSetTargetDevicePointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke((int)targetDevice);
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internal static unsafe bool LogiLedSetTargetDevice(LogitechDeviceCaps targetDevice)
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=> ((delegate* unmanaged[Cdecl]<int, bool>)ThrowIfZero(_logiLedSetTargetDevicePointer))((int)targetDevice);
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internal static string LogiLedGetSdkVersion()
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{
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@@ -145,25 +125,32 @@ internal class _LogitechGSDK
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return $"{major}.{minor}.{build}";
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}
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internal static bool LogiLedGetSdkVersion(ref int majorNum, ref int minorNum, ref int buildNum) =>
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(_logiLedGetSdkVersionPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke(ref majorNum, ref minorNum, ref buildNum);
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internal static unsafe bool LogiLedGetSdkVersion(ref int majorNum, ref int minorNum, ref int buildNum)
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=> ((delegate* unmanaged[Cdecl]<ref int, ref int, ref int, bool>)ThrowIfZero(_logiLedGetSdkVersionPointer))(ref majorNum, ref minorNum, ref buildNum);
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internal static bool LogiLedSaveCurrentLighting() => (_lgiLedSaveCurrentLightingPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke();
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internal static unsafe bool LogiLedSaveCurrentLighting()
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=> ((delegate* unmanaged[Cdecl]<bool>)ThrowIfZero(_lgiLedSaveCurrentLightingPointer))();
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internal static bool LogiLedRestoreLighting() => (_logiLedRestoreLightingPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke();
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internal static unsafe bool LogiLedRestoreLighting()
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=> ((delegate* unmanaged[Cdecl]<bool>)ThrowIfZero(_logiLedRestoreLightingPointer))();
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internal static bool LogiLedSetLighting(int redPercentage, int greenPercentage, int bluePercentage) =>
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(_logiLedSetLightingPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke(redPercentage, greenPercentage, bluePercentage);
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internal static unsafe bool LogiLedSetLighting(int redPercentage, int greenPercentage, int bluePercentage)
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=> ((delegate* unmanaged[Cdecl]<int, int, int, bool>)ThrowIfZero(_logiLedSetLightingPointer))(redPercentage, greenPercentage, bluePercentage);
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internal static bool LogiLedSetLightingForKeyWithKeyName(int keyCode, int redPercentage, int greenPercentage, int bluePercentage)
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=> (_logiLedSetLightingForKeyWithKeyNamePointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke(keyCode, redPercentage, greenPercentage, bluePercentage);
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internal static unsafe bool LogiLedSetLightingForKeyWithKeyName(int keyCode, int redPercentage, int greenPercentage, int bluePercentage)
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=> ((delegate* unmanaged[Cdecl]<int, int, int, int, bool>)ThrowIfZero(_logiLedSetLightingForKeyWithKeyNamePointer))(keyCode, redPercentage, greenPercentage, bluePercentage);
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internal static bool LogiLedSetLightingFromBitmap(byte[] bitmap) => (_logiLedSetLightingFromBitmapPointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke(bitmap);
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internal static unsafe bool LogiLedSetLightingFromBitmap(byte[] bitmap)
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=> ((delegate* unmanaged[Cdecl]<byte[], bool>)ThrowIfZero(_logiLedSetLightingFromBitmapPointer))(bitmap);
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internal static bool LogiLedSetLightingForTargetZone(LogitechDeviceType deviceType, int zone, int redPercentage, int greenPercentage, int bluePercentage)
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=> (_logiLedSetLightingForTargetZonePointer ?? throw new RGBDeviceException("The Logitech-GSDK is not initialized.")).Invoke(deviceType, zone, redPercentage, greenPercentage, bluePercentage);
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internal static unsafe bool LogiLedSetLightingForTargetZone(LogitechDeviceType deviceType, int zone, int redPercentage, int greenPercentage, int bluePercentage)
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=> ((delegate* unmanaged[Cdecl]<LogitechDeviceType, int, int, int, int, bool>)ThrowIfZero(_logiLedSetLightingForTargetZonePointer))(deviceType, zone, redPercentage, greenPercentage, bluePercentage);
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// ReSharper restore EventExceptionNotDocumented
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private static IntPtr ThrowIfZero(IntPtr ptr)
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{
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if (ptr == IntPtr.Zero) throw new RGBDeviceException("The Logitech-SDK is not initialized.");
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return ptr;
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}
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#endregion
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}
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