/// <summary>
/// Gets the font family from the user settings Font
/// </summary>
/// <param name="fontFamily">the font family</param>
/// <returns>the Windows font family</returns>
private Media.FontFamily GetFontFamily(Microsoft.PlayerFramework.CaptionSettings.Model.FontFamily fontFamily)
{
if (this.fontMap == null)
{
this.fontMap = new Dictionary <Microsoft.PlayerFramework.CaptionSettings.Model.FontFamily, Media.FontFamily>();
}
Media.FontFamily mediaFontFamily;
if (this.fontMap.TryGetValue(fontFamily, out mediaFontFamily))
{
return(mediaFontFamily);
}
var fontName = CaptionSettingsPluginBase.GetFontFamilyName(fontFamily);
if (fontName == null)
{
return(null);
}
mediaFontFamily = new Media.FontFamily(fontName);
this.fontMap[fontFamily] = mediaFontFamily;
return(mediaFontFamily);
}
/// <summary>
/// convert from a Caption Settings font family to the equivalent
/// Windows installed font
/// </summary>
/// <param name="value">a Model.FontFamily</param>
/// <param name="targetType">a Windows FontFamily</param>
/// <param name="parameter">parameter not used</param>
/// <param name="language">language not used</param>
/// <returns>a <see cref="Windows.UI.Xaml.Media.FontFamily"/></returns>
public object Convert(object value, Type targetType, object parameter, string language)
{
if (this.fontMap == null)
{
this.fontMap = new Dictionary <Model.FontFamily, FF.FontFamily>();
}
var captionFontFamily = (Model.FontFamily)value;
if (captionFontFamily == Model.FontFamily.Default)
{
return(DependencyProperty.UnsetValue);
}
// Setting font disables small caps
if (captionFontFamily == Model.FontFamily.Smallcaps)
{
return(DependencyProperty.UnsetValue);
}
FF.FontFamily fontFamily;
lock (this.fontMap)
{
if (this.fontMap.TryGetValue(captionFontFamily, out fontFamily))
{
return(fontFamily);
}
var familyName = CaptionSettingsPluginBase.GetFontFamilyName(captionFontFamily);
if (string.IsNullOrWhiteSpace(familyName))
{
return(DependencyProperty.UnsetValue);
}
fontFamily = new FF.FontFamily(familyName);
this.fontMap[captionFontFamily] = fontFamily;
return(fontFamily);
}
}
