public void Draw(global::AvaloniaEdit.Rendering.TextView textView, DrawingContext drawingContext)
{
if (this.result == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.OpeningBracketOffset, Length = result.OpeningBracketLength
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.ClosingBracketOffset, Length = result.ClosingBracketLength
});
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public BracketHighlightRenderer(global::AvaloniaEdit.Rendering.TextView textView)
{
if (textView == null)
{
throw new ArgumentNullException("textView");
}
this.borderPen = new Pen(new SolidColorBrush(Color.FromArgb(52, 0, 0, 255)), 1).ToImmutable();
this.backgroundBrush = new SolidColorBrush(Color.FromArgb(22, 0, 0, 255)).ToImmutable();
this.textView = textView;
this.textView.BackgroundRenderers.Add(this);
}