/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double? emSize, Brush foreground)
{
if (element == null)
throw new ArgumentNullException("element");
if (text == null)
throw new ArgumentNullException("text");
if (typeface == null)
typeface = element.CreateTypeface();
if (emSize == null)
emSize = TextBlock.GetFontSize(element);
if (foreground == null)
foreground = TextBlock.GetForeground(element);
#if DOTNET4
return new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
);
#else
if (TextFormattingModeProperty != null) {
object formattingMode = element.GetValue(TextFormattingModeProperty);
return (FormattedText)Activator.CreateInstance(
typeof(FormattedText),
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize,
foreground,
null,
formattingMode
);
} else {
return new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground
);
}
#endif
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double? emSize, Brush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == null)
typeface = element.CreateTypeface();
if (emSize == null)
emSize = TextBlock.GetFontSize(element);
if (foreground == null)
foreground = TextBlock.GetForeground(element);
return new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
);
}