//-------------------------------------------------------------------
//
// Private Methods
//
//-------------------------------------------------------------------
#region Private Methods
// This method calculates the height of the first line if the element is TextBlock or FlowDocumentScrollViewer
// Otherwise returns the element height
private double GetFirstLineHeight(UIElement element)
{
// We need to find TextBlock/FlowDocumentScrollViewer if it is nested inside ContentPresenter
// Common scenario when used in styles is that BulletDecorator content is a ContentPresenter
UIElement text = FindText(element);
ReadOnlyCollection <LineResult> lr = null;
if (text != null)
{
TextBlock textElement = ((TextBlock)text);
if (textElement.IsLayoutDataValid)
{
lr = textElement.GetLineResults();
}
}
else
{
text = FindFlowDocumentScrollViewer(element);
if (text != null)
{
TextDocumentView tdv = ((IServiceProvider)text).GetService(typeof(ITextView)) as TextDocumentView;
if (tdv != null && tdv.IsValid)
{
ReadOnlyCollection <ColumnResult> cr = tdv.Columns;
if (cr != null && cr.Count > 0)
{
ColumnResult columnResult = cr[0];
ReadOnlyCollection <ParagraphResult> pr = columnResult.Paragraphs;
if (pr != null && pr.Count > 0)
{
ContainerParagraphResult cpr = pr[0] as ContainerParagraphResult;
if (cpr != null)
{
TextParagraphResult textParagraphResult = cpr.Paragraphs[0] as TextParagraphResult;
if (textParagraphResult != null)
{
lr = textParagraphResult.Lines;
}
}
}
}
}
}
}
if (lr != null && lr.Count > 0)
{
Point ancestorOffset = new Point();
text.TransformToAncestor(element).TryTransform(ancestorOffset, out ancestorOffset);
return(lr[0].LayoutBox.Height + ancestorOffset.Y * 2d);
}
return(element.RenderSize.Height);
}
// Token: 0x06005BFA RID: 23546 RVA: 0x0019DB54 File Offset: 0x0019BD54
private double GetFirstLineHeight(UIElement element)
{
UIElement uielement = this.FindText(element);
ReadOnlyCollection <LineResult> readOnlyCollection = null;
if (uielement != null)
{
TextBlock textBlock = (TextBlock)uielement;
if (textBlock.IsLayoutDataValid)
{
readOnlyCollection = textBlock.GetLineResults();
}
}
else
{
uielement = this.FindFlowDocumentScrollViewer(element);
if (uielement != null)
{
TextDocumentView textDocumentView = ((IServiceProvider)uielement).GetService(typeof(ITextView)) as TextDocumentView;
if (textDocumentView != null && textDocumentView.IsValid)
{
ReadOnlyCollection <ColumnResult> columns = textDocumentView.Columns;
if (columns != null && columns.Count > 0)
{
ColumnResult columnResult = columns[0];
ReadOnlyCollection <ParagraphResult> paragraphs = columnResult.Paragraphs;
if (paragraphs != null && paragraphs.Count > 0)
{
ContainerParagraphResult containerParagraphResult = paragraphs[0] as ContainerParagraphResult;
if (containerParagraphResult != null)
{
TextParagraphResult textParagraphResult = containerParagraphResult.Paragraphs[0] as TextParagraphResult;
if (textParagraphResult != null)
{
readOnlyCollection = textParagraphResult.Lines;
}
}
}
}
}
}
}
if (readOnlyCollection != null && readOnlyCollection.Count > 0)
{
Point inPoint = default(Point);
uielement.TransformToAncestor(element).TryTransform(inPoint, out inPoint);
return(readOnlyCollection[0].LayoutBox.Height + inPoint.Y * 2.0);
}
return(element.RenderSize.Height);
}
// Token: 0x06006514 RID: 25876 RVA: 0x001C5FAC File Offset: 0x001C41AC
private static void DumpTextParagraphResult(XmlTextWriter writer, TextParagraphResult paragraph, Visual visualParent)
{
writer.WriteStartElement("TextParagraph");
writer.WriteStartElement("Element");
writer.WriteAttributeString("Type", paragraph.Element.GetType().FullName);
writer.WriteEndElement();
LayoutDump.DumpRect(writer, "LayoutBox", paragraph.LayoutBox);
Visual visualParent2 = LayoutDump.DumpParagraphOffset(writer, paragraph, visualParent);
LayoutDump.DumpTextRange(writer, paragraph.StartPosition, paragraph.EndPosition);
LayoutDump.DumpLineResults(writer, paragraph.Lines, visualParent2);
LayoutDump.DumpParagraphResults(writer, "Floaters", paragraph.Floaters, visualParent2);
LayoutDump.DumpParagraphResults(writer, "Figures", paragraph.Figures, visualParent2);
writer.WriteEndElement();
}
