public void ArrangeLines(bool textWrap, SizeF proposedSize)
{
if (!textWrap || (double)proposedSize.Width <= 0.0 && (double)proposedSize.Height <= 0.0)
{
return;
}
for (int index1 = 0; index1 < this.lines.Count; ++index1)
{
while ((double)FormattedTextBlock.GetTextLineSize(this.lines[index1]).Width > (double)proposedSize.Width && this.lines[index1].List.Count > 1)
{
int index2 = this.lines[index1].List.Count - 1;
FormattedText formattedText = this.lines[index1].List[index2];
this.lines[index1].List.RemoveAt(index2);
if (index1 == this.lines.Count - 1)
{
this.lines.Add(new TextLine());
}
TextLine line = this.lines[index1 + 1];
if (line.List.Count > 0 && !line.List[0].StartNewLine)
{
line.List.Insert(0, formattedText);
}
else
{
this.lines.Insert(index1 + 1, new TextLine()
{
List =
{
formattedText
}
});
}
}
}
}
public SizeF GetTextSize(
SizeF proposedSize,
bool useCompatibleTextRendering,
StringFormat sf,
TextFormatFlags textFormatFlags,
bool textWrap)
{
if (textWrap)
{
this.RecalculateBlockLines(textWrap);
this.ArrangeLines(textWrap, proposedSize);
}
SizeF empty1 = (SizeF)Size.Empty;
SizeF empty2 = (SizeF)Size.Empty;
foreach (TextLine line in this.lines)
{
SizeF textLineSize = FormattedTextBlock.GetTextLineSize(line);
float height = (double)textLineSize.Height <= 2.0 ? 0.0f : textLineSize.Height;
line.LineSize = new SizeF(textLineSize.Width, height);
empty1.Height += height;
empty1.Width = Math.Max(textLineSize.Width, empty1.Width);
}
return(empty1);
}
