Initial commit

HtmlLabelControl/TextFragment.cs

@@ -0,0 +1,63 @@
+using System.Globalization;
+using System.Windows;
+using System.Windows.Media;
+
+namespace Common.Wpf.HtmlLabelControl
+{
+    public class TextFragment
+    {
+        private readonly HtmlLabel _parent;
+
+        public Brush Color { get; set; }
+        public FontStyle Style { get; set; }
+        public FontWeight Weight { get; set; }
+        public double Size { get; set; }
+        public string Text { get; set; }
+        public bool Underline { get; set; }
+
+        private Typeface _typeface;
+        public Typeface Typeface
+        {
+            get { return _typeface ?? (_typeface = new Typeface(_parent.FontFamily, Style, Weight, _parent.FontStretch)); }
+        }
+
+        private FormattedText _formattedText;
+        public FormattedText FormattedText
+        {
+            get
+            {
+                if (_formattedText == null)
+                {
+                    string measureText = (string.IsNullOrEmpty(Text) ? " " : Text);
+
+                    _formattedText = new FormattedText(measureText, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, Typeface, Size, Color);
+
+                    TextDecorationCollection textDecorationCollection = new TextDecorationCollection();
+
+                    if (Underline)
+                    {
+                        TextDecoration underlineDecoration = new TextDecoration { PenThicknessUnit = TextDecorationUnit.FontRecommended };
+
+                        textDecorationCollection.Add(underlineDecoration);
+                    }
+
+                    _formattedText.SetTextDecorations(textDecorationCollection);
+                }
+
+                return _formattedText;
+            }
+        }
+
+        public TextFragment(HtmlLabel parent)
+        {
+            _parent = parent;
+
+            Color = _parent.Foreground;
+            Style = _parent.FontStyle;
+            Weight = _parent.FontWeight;
+            Size = _parent.FontSize;
+            Text = string.Empty;
+            Underline = false;
+        }
+    }
+}