public MainWindowViewModel(Canvas fontCanvas, Canvas rectCanvas, FontFamily defaultFontFamily)
{
CultureResources.EnumerateAvailableCultures();
Languages = CultureResources.AvailableCultures.Select(culture => new Language(culture)).ToList();
var currentLanguage = Languages.Find(l => l.Culture.TwoLetterISOLanguageName == Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName);
if (currentLanguage == null)
{
currentLanguage = Languages.Find(l => l.Culture == CultureResources.AvailableCultures[0]);
}
SelectedLanguage = currentLanguage;
FontWeightList = LocalizedFontWeights.All;
this.ObservableForProperty(x => x.SelectedLanguage)
.Subscribe(lang => CultureResources.ChangeCulture(lang.Value.Culture));
FontGenerator = new RS2014FontGenerator(fontCanvas, rectCanvas);
FontCanvas = fontCanvas;
DefaultFontFamily = defaultFontFamily;
FontList = Fonts.SystemFontFamilies.OrderBy(x => x.Source).ToList();
LoadProgramState();
WindowTitle = ProgramName;
var thisAsm = Assembly.GetExecutingAssembly();
ProgramVersion = thisAsm.GetName().Version.ToString();
CreateReactiveCommands();
this.WhenAnyValue(x => x.UseDarkTheme)
.Subscribe(dt =>
{
string theme = dt ? "Dark" : "Light";
ThemeManager.Current.ChangeTheme(Application.Current, theme + ".Steel");
});
// Generate font after a delay when font size, glyph margin or spacing is changed
this.WhenAnyValue(
x => x.SelectedFontSize,
x => x.SelectedKanjiFontSize,
x => x.GlyphHorizontalMargin,
x => x.SpacingAdjustment)
.Where(_ => CanGenerate) // Don't do anything if generation is currently disabled
.Throttle(TimeSpan.FromMilliseconds(650), RxApp.MainThreadScheduler)
.DistinctUntilChanged()
.Select(_ => Unit.Default)
.InvokeCommand(GenerateFont);
// Generate font immediately when font family or weight or "accurate inner rects" is changed
this.WhenAnyValue(
x => x.UseAccurateInnerRects,
x => x.SelectedFont,
x => x.SelectedFontWeight)
.DistinctUntilChanged()
.Select(_ => Unit.Default)
.InvokeCommand(GenerateFont);
}
