protected void AddRangeBracket(AnnotationMarkerLayoutBox marker)
{
Color bracketColor = GetBracketColor();
Point topPoint;
Point bottomPoint;
InlineLayoutBox inlineBox = marker;
if (marker.AssociatedAnnotationMarker is AnnotationRangeStart)
{
inlineBox = (InlineLayoutBox)DocumentStructureCollection.GetNextSiblingForDocumentElement(marker, null);
topPoint = new Point(
inlineBox.ControlBoundingRectangle.Left,
inlineBox.ControlBoundingRectangle.Top - (inlineBox.LineInfo.BaselineOffset - inlineBox.BaselineOffset));
bottomPoint = new Point(topPoint.X, topPoint.Y + inlineBox.LineInfo.Height);
}
else
{
inlineBox = (InlineLayoutBox)DocumentStructureCollection.GetPreviousSiblingForDocumentElement(marker, null);
topPoint = new Point(
inlineBox.ControlBoundingRectangle.Right,
inlineBox.ControlBoundingRectangle.Top - (inlineBox.LineInfo.BaselineOffset - inlineBox.BaselineOffset));
bottomPoint = new Point(topPoint.X, topPoint.Y + inlineBox.LineInfo.Height);
}
Polyline polyline = new Polyline();
Canvas.SetZIndex(polyline, 5);
polyline.Stroke = new SolidColorBrush(bracketColor);
polyline.StrokeThickness = 1;
if (marker.AssociatedAnnotationMarker is AnnotationRangeStart)
{
polyline.Points.Add(new Point(topPoint.X + 2, topPoint.Y));
polyline.Points.Add(topPoint);
polyline.Points.Add(bottomPoint);
polyline.Points.Add(new Point(bottomPoint.X + 2, bottomPoint.Y));
}
else
{
polyline.Points.Add(new Point(topPoint.X - 2, topPoint.Y));
polyline.Points.Add(topPoint);
polyline.Points.Add(bottomPoint);
polyline.Points.Add(new Point(bottomPoint.X - 2, bottomPoint.Y));
}
base.AddDecorationElement(polyline);
}
private void FlushBoxes(DocumentPosition startPosition, DocumentPosition endPosition)
{
if (startPosition == endPosition)
{
return;
}
RectangleF rect = new RectangleF();
rect.X = startPosition.Location.X;
rect.Width = endPosition.Location.X - startPosition.Location.X;
InlineLayoutBox startBox = startPosition.GetCurrentInlineBox();
InlineLayoutBox endBox = endPosition.GetCurrentInlineBox();
float top = startBox.ControlBoundingRectangle.Top;
float bottom = startBox.ControlBoundingRectangle.Bottom;
while (startBox != endBox)
{
startBox = DocumentStructureCollection.GetNextSiblingForDocumentElementOnSameLevel(startBox, startBox.AssociatedDocumentElement) as InlineLayoutBox;
if (startBox == null)
{
break;
}
if (startBox.ControlBoundingRectangle.Top < top)
{
top = startBox.ControlBoundingRectangle.Top;
}
if (startBox.ControlBoundingRectangle.Bottom < bottom)
{
bottom = startBox.ClippedControlBoundingRectangle.Bottom;
}
}
rect.Y = top;
rect.Height = bottom - top;
this.AddRectangle(rect);
}
