// 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);
}
