// Token: 0x060062DA RID: 25306 RVA: 0x001BBE8C File Offset: 0x001BA08C private static Annotation Highlight(AnnotationService service, string author, Brush highlightBrush, bool create) { AnnotationHelper.CheckInputs(service); ITextSelection textSelection = AnnotationHelper.GetTextSelection((FrameworkElement)service.Root); Invariant.Assert(textSelection != null, "TextSelection is null"); if (textSelection.IsEmpty) { throw new InvalidOperationException(SR.Get("EmptySelectionNotSupported")); } Color?color = null; if (highlightBrush != null) { SolidColorBrush solidColorBrush = highlightBrush as SolidColorBrush; if (solidColorBrush == null) { throw new ArgumentException(SR.Get("InvalidHighlightColor"), "highlightBrush"); } byte a; if (solidColorBrush.Opacity <= 0.0) { a = 0; } else if (solidColorBrush.Opacity >= 1.0) { a = solidColorBrush.Color.A; } else { a = (byte)(solidColorBrush.Opacity * (double)solidColorBrush.Color.A); } color = new Color?(Color.FromArgb(a, solidColorBrush.Color.R, solidColorBrush.Color.G, solidColorBrush.Color.B)); } ITextRange textRange = new TextRange(textSelection.Start, textSelection.End); Annotation result = AnnotationHelper.ProcessHighlights(service, textRange, author, color, create); textSelection.SetCaretToPosition(textSelection.MovingPosition, textSelection.MovingPosition.LogicalDirection, true, true); return(result); }