检索字体的文件名 [英] Retrieve Filename of a font

问题描述

我想获取字体的文件名.这可以这么难...我知道，已经有一个非常相似的问题，但是对这个问题的答案就不可能了.

I would like to get the filename of a font. This can't be that hard... I am aware, there is a very similar question already, but the answer to that question just can't be it.

我想做的是，如果他请求，则通过TCP/IP将字体文件发送给另一个客户端.我通过FontDialog选择所需的字体，可以从框架中获取FontName.我找不到可以说大部分时间都能正常工作的字体文件.

What I want to do is to send a Font file over TCP/IP to an other client, if he requests it. I select the desired font over a FontDialog, I can get the FontName from the framework. I can't find the font file in a way that I can say will work most of the time.

.NET在哪里知道系统上安装了哪些字体?不能说该框架依赖于并非一直有效的解决方案，例如CodeProject上的解决方案以及Stackoverflow中建议的解决方案.必须有一种安全的方法来检索字体文件. FontDialog可以在一个框中列出所有这些字体，并且安装的字体必须具有指向其文件的路径.

Where does .NET know which fonts are installed on the system? It can't be that the framework relies on a solution which does not work all the time, like the solution on CodeProject and suggested in Stackoverflow. There must be a secure way to retrieve the font file. The FontDialog can list them all in a box and the fonts installed must have a path to their file.

有人想帮助我吗?

推荐答案

using System;
using System.Drawing;
using System.Text.RegularExpressions;
using Microsoft.Win32

public static string GetSystemFontFileName(Font font)
{
    RegistryKey fonts = null;
    try{
        fonts = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows NT\CurrentVersion\Fonts", false);
        if(fonts == null)
        {
            fonts = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Fonts", false);
            if(fonts == null)
            {
                throw new Exception("Can't find font registry database.");
            }
        }

        string suffix = "";
        if(font.Bold)
            suffix += "(?: Bold)?";
        if(font.Italic)
            suffix += "(?: Italic)?";

        var regex = new Regex(@"^(?:.+ & )?"+Regex.Escape(font.Name)+@"(?: & .+)?(?<suffix>"+suffix+@") \(TrueType\)$", RegexOptions.Compiled);

        string[] names = fonts.GetValueNames();

        string name = names.Select(n => regex.Match(n)).Where(m => m.Success).OrderByDescending(m => m.Groups["suffix"].Length).Select(m => m.Value).FirstOrDefault();

        if(name != null)
        {
            return fonts.GetValue(name).ToString();
        }else{
            return null;
        }
    }finally{
        if(fonts != null)
        {
            fonts.Dispose();
        }
    }
}

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