public void DrawHtml()
{
if (_canvas == null)
{
return;
}
_canvas.Blocks.Clear();
Paragraph p = new Paragraph
{
LineHeight = this.LineHeight,
FontSize = this.FontSize
};
Span span;
if (Regex.IsMatch(Html, Utils.UrlRegex, RegexOptions.IgnoreCase))
{
span = HtmlExts.FormatText(Html);
}
else
{
span = new Span();
span.Inlines.Add(new Run()
{
Text = HtmlUtilities.ConvertToText(Html)
});
}
p.Inlines.Add(span);
_canvas.Blocks.Add(p);
}
private static void OnHtmlChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue != null || e.OldValue != null)
{
if (_canvas == null)
{
return;
}
_canvas.Blocks.Clear();
Paragraph p = new Paragraph();
Span span;
if (e.NewValue != null)
{
string html = e.NewValue.ToString();
if (Regex.IsMatch(html, Utils.UrlRegex, RegexOptions.IgnoreCase))
{
span = HtmlExts.FormatText(html);
}
else
{
span = new Span();
span.Inlines.Add(new Run()
{
Text = HtmlUtilities.ConvertToText(html)
});
}
p.Inlines.Add(span);
}
_canvas.Blocks.Add(p);
}
}