private void DrawVLine (DrawingContext dc)
{
var activeArea = GetArea (Region.Selection.SelectedToken, Region);
if (activeArea == null)
return;
var width = Region.Selection.Type == SelectionType.Left ? -2 : activeArea.Width + 2;
if (Region.Selection.SelectedToken is TextToken) {
var textToken = Region.Selection.SelectedToken as TextToken;
if (!string.IsNullOrEmpty (textToken.Text) && Region.Selection.Position != 0) {
var ft = new FormattedText (textToken.Text.Substring (0, Region.Selection.Position), textToken.FontFamily, textToken.FontSize, Colors.Black);
width = ft.Width + 2;
} else
width = 0;
}
var startPoint = activeArea.PointToScreen (new Point (width, -2));
startPoint = Region.PointFromScreen (startPoint);
var endPoint = activeArea.PointToScreen (new Point (width, activeArea.Height + 2));
endPoint = Region.PointFromScreen (endPoint);
dc.DrawLine (new Pen (Colors.Red, 1.5), startPoint, endPoint);
}
public override void DrawText (FormattedText formattedText, Point origin)
{
cr.Color = new Cairo.Color (formattedText.Foreground.R, formattedText.Foreground.G, formattedText.Foreground.B, formattedText.Foreground.Alfa);
cr.MoveTo (origin.X, origin.Y + formattedText.Height);
cr.SelectFontFace (formattedText.FontFamily, Cairo.FontSlant.Normal, Cairo.FontWeight.Normal);
cr.SetFontSize (formattedText.FontSize);
cr.ShowText (formattedText.Text);
}
public abstract void DrawText (FormattedText formattedText, Point origin);
protected override Size MeasureOverride (Size availableSize)
{
var formatedText = new FormattedText (Text, FontFamily, FontSize, Foreground);
return new Size (formatedText.Width, formatedText.Extent);
}
public abstract void DrawText(FormattedText formattedText, Point origin);