mirror of
https://github.com/QL-Win/QuickLook.git
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72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
// Copyright © 2017-2025 QL-Win Contributors
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//
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// This file is part of QuickLook program.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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namespace QuickLook.Plugin.FontViewer;
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/// <summary>
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/// To implement a similar architecture detection logic in .NET Framework
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/// https://github.com/ryancheung/FreeTypeSharp/blob/main/FreeTypeSharp/FT.DllMap.cs
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/// </summary>
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internal static class FreeTypeDllMap
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{
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public static void LoadNativeLibrary()
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{
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_ = ImportResolver();
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}
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private static nint ImportResolver()
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{
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string actualLibraryName = "freetype.dll";
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string rootDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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string arch = (RuntimeInformation.OSArchitecture == Architecture.Arm64)
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? "arm64"
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: (Environment.Is64BitProcess ? "x64" : "x86");
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var searchPaths = new[]
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{
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// This is where native libraries in our nupkg should end up
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Path.Combine(rootDirectory, "runtimes", "win-" + arch, "native"),
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Path.Combine(rootDirectory, "runtimes", "win-" + arch),
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Path.Combine(rootDirectory, "win-" + arch),
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Path.Combine(rootDirectory, arch),
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Path.Combine(rootDirectory)
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};
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foreach (var searchPath in searchPaths)
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{
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SetDllDirectory(searchPath);
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nint handle = LoadLibrary(Path.Combine(searchPath, actualLibraryName));
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if (handle != IntPtr.Zero)
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return handle;
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}
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return IntPtr.Zero;
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}
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern nint LoadLibrary(string lpFileName);
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[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
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private static extern bool SetDllDirectory(string lpPathName);
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}
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