private void PreBuildFonts(System.Windows.Media.FontFamily[] fonts, string cacheFilePath)
{
var b = new BackgroundWorker();
b.DoWork += (sender, args) =>
{
System.Diagnostics.Debug.WriteLine("Preloading fonts");
if (!Directory.Exists(Path.GetDirectoryName(cacheFilePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
}
if (File.Exists(cacheFilePath))
{
try
{
using (var fs = new FileStream(cacheFilePath, FileMode.Open))
FontObject.ReadDictionaryFromStream(fs);
}
catch
{
File.Delete(cacheFilePath);
}
}
var okFonts = new List <FontObject>();
foreach (System.Windows.Media.FontFamily font in fonts)
{
try
{
var f = new FontObject(font);
if (f.GetStyledFontGeometryUsingCache() != null)
{
okFonts.Add(f);
}
}
catch { }
}
if (!File.Exists(cacheFilePath) || okFonts.Count != FontObject.GeometryCount)
{
using (var fs = new FileStream(cacheFilePath, FileMode.Create))
FontObject.SaveDictionaryToStream(fs);
}
args.Result = okFonts.ToArray();
};
b.RunWorkerCompleted += (sender, args) =>
{
AllFonts = (FontObject[])args.Result;
System.Diagnostics.Debug.WriteLine("Fonts preloaded");
SubtitleFont = AllFonts.First(f => f.Font.ToString().ToLowerInvariant().Contains("impact"));
};
b.RunWorkerAsync();
}
public virtual async Task LoadAsync(Dictionary <string, object> pageState, object navigationParam)
{
await Data.InitAsync();
AllFonts = Data.Fonts;
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("Character"))
{
selectedCharacter = (char)ApplicationData.Current.LocalSettings.Values["Character"];
}
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("Font"))
{
SelectedFont = AllFonts.First(f => f.Name == (string)ApplicationData.Current.LocalSettings.Values["Font"]);
}
else
{
selectedCharacter = '!';
SelectedFont = AllFonts.First(f => f.Name == "Segoe MDL2 Assets");
}
}