public FontManager(string languageName, StringComparer fontNameComparer)
{
var assembly = Assembly.GetExecutingAssembly();
// For the json file, I think it's better to leave it on the disk
// (instead of embedding it) so users can edit it
using var assemblyFileSystem = new FileSystem(Path.GetDirectoryName(assembly.Location));
using var fileSystem = new FileSystem(Environment.CurrentDirectory, assemblyFileSystem);
var fontFallbackSettingsJson = "{}";
var fontFallbackSettingsEntry = fileSystem.GetFile("Content/Fonts/FontFallbackSettings.json");
if (fontFallbackSettingsEntry != null || true)
{
Logger.Info($"FontFallback Settings loaded from {fontFallbackSettingsEntry.FullFilePath}");
using var stream = fontFallbackSettingsEntry.Open();
using var reader = new StreamReader(stream, Encoding.UTF8);
fontFallbackSettingsJson = reader.ReadToEnd();
}
_cachedFonts = new Dictionary <FontKey, Font>();
_fontFallbackSettings = FontFallbackSettings
.LoadFromJson(fontFallbackSettingsJson)
.LoadLanguageSpecificFallbackSettings(languageName, fontNameComparer);
_fallbackFonts = new FontCollection();
var fontStream = assembly.GetManifestResourceStream($"OpenSage.Content.Fonts.{FallbackEmbeddedFont}-Regular.ttf");
_fallbackFonts.Install(fontStream);
fontStream = assembly.GetManifestResourceStream($"OpenSage.Content.Fonts.{FallbackEmbeddedFont}-Bold.ttf");
_fallbackFonts.Install(fontStream);
}
public LanguageSpecificFontFallbackSettings LoadLanguageSpecificFallbackSettings(string language, StringComparer comparer)
{
if (!FontFallbacksByLanguages.TryGetValue(language, out var result))
{
result = new LanguageSpecificFontFallbackSettings();
FontFallbacksByLanguages[language] = result;
}
if (!result.Normalized)
{
result.Normalize(comparer, DefaultSettings);
}
return(result);
}
/// <summary>
/// Make <see cref="SpecificFontFallbacks"/> case insensitive,
/// also load default fallbacks from parent settings.
/// </summary>
/// <param name="comparer">
/// The case insensitive <see cref="StringComparer"/> to be used with
/// <see cref="SpecificFontFallbacks"/>.
/// </param>
/// <param name="defaultSettings">
/// The <see cref="LanguageSpecificFontFallbackSettings"/> of default language.
/// </param>
public void Normalize(StringComparer comparer, LanguageSpecificFontFallbackSettings defaultSettings)
{
if (Normalized)
{
// already normalized
throw new InvalidOperationException();
}
if (defaultSettings?.Normalized == false)
{
throw new InvalidOperationException();
}
SpecificFontFallbacks = FontFallbackSettings.NormalizeDictionary(SpecificFontFallbacks, comparer);
DefaultFallbacks ??= new string[0];
_defaultSettings = this != defaultSettings ? defaultSettings : null;
Normalized = true;
}