public FontAndColorOptionsVM(FontAndColorOptions options, FontCollection fontCollection) {
if (options == null)
throw new ArgumentNullException(nameof(options));
if (fontCollection == null)
throw new ArgumentNullException(nameof(fontCollection));
this.options = options;
FontCollection = fontCollection;
fontFamilyVM = new FontFamilyVM(FontFamily);
}
public FontAppSettingsPage(FontAndColorOptions[] options, FontAppSettingsPageOptions fontAppSettingsPageOptions) {
if (options == null)
throw new ArgumentNullException(nameof(options));
this.fontAppSettingsPageOptions = fontAppSettingsPageOptions;
allFonts = new FontCollection();
monospacedFonts = new FontCollection();
FontAndColorOptions = new ObservableCollection<FontAndColorOptionsVM>(options.OrderBy(a => a.DisplayName, StringComparer.CurrentCultureIgnoreCase).Select(a => new FontAndColorOptionsVM(a, GetFontCollection(a.FontOption.FontType))));
SelectedFontAndColorOptions = (uint)fontAppSettingsPageOptions.SelectedIndex < (uint)FontAndColorOptions.Count ? FontAndColorOptions[fontAppSettingsPageOptions.SelectedIndex] : GetBestFontAndColorOptions();
Task.Factory.StartNew(() =>
Fonts.SystemFontFamilies.Where(a => !FontUtilities.IsSymbol(a)).OrderBy(a => a.Source, StringComparer.CurrentCultureIgnoreCase).Select(a => new FontFamilyVM(a)).ToArray()
)
.ContinueWith(t => {
var ex = t.Exception;
if (!t.IsCanceled && !t.IsFaulted) {
allFonts.FontFamilies = t.Result;
monospacedFonts.FontFamilies = t.Result.Where(a => FontUtilities.IsMonospacedFont(a.FontFamily)).ToArray();
}
}, CancellationToken.None, TaskContinuationOptions.None, TaskScheduler.FromCurrentSynchronizationContext());
}