static XFontSource()
{
var searchingPaths = new List <string>();
// Application
var executingPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
searchingPaths.Add(executingPath);
// Windows fonts
var systemFontsPath = Environment.GetFolderPath(Environment.SpecialFolder.Fonts);
if (!string.IsNullOrWhiteSpace(systemFontsPath))
{
searchingPaths.Add(systemFontsPath);
}
else
{
// Debian fonts
searchingPaths.Add("/usr/share/fonts/truetype");
//searchingPaths.Add("/usr/share/X11/fonts");
//searchingPaths.Add("/usr/X11R6/lib/X11/fonts");
//searchingPaths.Add("~/.fonts");
}
foreach (var searchingPath in searchingPaths)
{
// TODO: *.ttc not supported yet!
var fileNames = new List <string>();
try
{
fileNames = Directory.GetFiles(searchingPath, "*", SearchOption.AllDirectories)
.Where(f => Path.GetExtension(f).ToLower() == ".ttf")
.ToList();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
continue;
}
foreach (var filePath in fileNames)
{
try
{
var fontStyle = TtfHelper.GetFontStyle(filePath);
var key = new XFontSourceKey(TtfHelper.GetFontFamilyName(filePath), fontStyle);
if (!_fontFilePaths.ContainsKey(key))
{
_fontFilePaths.Add(key, filePath);
Debug.WriteLine($"Added font '{key.FontFamilyName}': {filePath}");
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}
}
private static byte[] ReadFontBytesFromGdi(GdiFont gdiFont)
{
var fontKey = new XFontSourceKey(gdiFont.Name, gdiFont.Style);
if (_fontFilePaths.ContainsKey(fontKey))
{
var filePath = _fontFilePaths[fontKey];
Debug.WriteLine($"Retrieving font '{fontKey.ToString()}' from {filePath}");
return(File.ReadAllBytes(filePath));
}
// use embedded resource font if the specified one is not found
using (var fontStream = Assembly.GetAssembly(typeof(XFontSource)).GetManifestResourceStream($"PdfSharp.Assets.{FALLBACK_FONT}"))
{
Debug.WriteLine($"'{fontKey.ToString()}' not found, falling back by default to '{FALLBACK_FONT}'.");
var fontData = new byte[fontStream.Length];
fontStream.Read(fontData, 0, (int)fontStream.Length);
return(fontData);
}
}
