public static void LoadFontsFromFolder(this InstalledTypefaceCollection fontCollection, string folder)
{
if (!Directory.Exists(folder))
{
return;
}
//-------------------------------------
// 1. font dir
foreach (string file in Directory.GetFiles(folder))
{
//eg. this is our custom font folder
string ext = Path.GetExtension(file).ToLower();
switch (ext)
{
default: break;
case ".ttf":
case ".otf":
fontCollection.AddFontStreamSource(new FontFileStreamProvider(file));
break;
}
}
//2. browse recursively; on Linux, fonts are organised in subdirectories
foreach (string subfolder in Directory.GetDirectories(folder))
{
LoadFontsFromFolder(fontCollection, subfolder);
}
}
public static InstalledTypefaceCollection GetSharedTypefaceCollection(FirstInitFontCollectionDelegate initdel)
{
if (s_intalledTypefaces == null)
{
//first time
s_intalledTypefaces = new InstalledTypefaceCollection();
initdel(s_intalledTypefaces);
}
return(s_intalledTypefaces);
}
public static void LoadSystemFonts(this InstalledTypefaceCollection fontCollection)
{
// Windows system fonts
LoadFontsFromFolder(fontCollection, "c:\\Windows\\Fonts");
// These are reasonable places to look for fonts on Linux
LoadFontsFromFolder(fontCollection, "/usr/share/fonts");
LoadFontsFromFolder(fontCollection, "/usr/share/wine/fonts");
LoadFontsFromFolder(fontCollection, "/usr/share/texlive/texmf-dist/fonts");
LoadFontsFromFolder(fontCollection, "/usr/share/texmf/fonts");
// OS X system fonts (https://support.apple.com/en-us/HT201722)
LoadFontsFromFolder(fontCollection, "/System/Library/Fonts");
LoadFontsFromFolder(fontCollection, "/Library/Fonts");
}
public static void LoadSystemFonts(this InstalledTypefaceCollection fontCollection, bool recursive = false)
{
if (CustomSystemFontListLoader != null)
{
CustomSystemFontListLoader(fontCollection);
return;
}
// Windows system fonts
LoadFontsFromFolder(fontCollection, "c:\\Windows\\Fonts");
// These are reasonable places to look for fonts on Linux
LoadFontsFromFolder(fontCollection, "/usr/share/fonts", true);
LoadFontsFromFolder(fontCollection, "/usr/share/wine/fonts", true);
LoadFontsFromFolder(fontCollection, "/usr/share/texlive/texmf-dist/fonts", true);
LoadFontsFromFolder(fontCollection, "/usr/share/texmf/fonts", true);
// OS X system fonts (https://support.apple.com/en-us/HT201722)
LoadFontsFromFolder(fontCollection, "/System/Library/Fonts");
LoadFontsFromFolder(fontCollection, "/Library/Fonts");
}
public static void LoadFontsFromFolder(this InstalledTypefaceCollection fontCollection, string folder, bool recursive = false)
{
if (!Directory.Exists(folder))
{
#if DEBUG
System.Diagnostics.Debug.WriteLine("LoadFontsFromFolder, not found folder:" + folder);
#endif
return;
}
//-------------------------------------
// 1. font dir
foreach (string file in Directory.GetFiles(folder))
{
//eg. this is our custom font folder
string ext = Path.GetExtension(file).ToLower();
switch (ext)
{
default: break;
case ".ttc":
case ".otc":
case ".ttf":
case ".otf":
case ".woff":
case ".woff2":
fontCollection.AddFontStreamSource(new FontFileStreamProvider(file));
break;
}
}
//2. browse recursively; on Linux, fonts are organised in subdirectories
if (recursive)
{
foreach (string subfolder in Directory.GetDirectories(folder))
{
LoadFontsFromFolder(fontCollection, subfolder, recursive);
}
}
}
public static void SetAsSharedTypefaceCollection(InstalledTypefaceCollection installedTypefaceCollection)
{
s_intalledTypefaces = installedTypefaceCollection;
}