void JoinWithNextLine()
{
if (IsLastLine)
{
return;
}
//
TextLineBox lowerLine = _textFlowLayer.GetTextLine(_currentLineNumber + 1);
this.LocalSuspendLineReArrange();
int cx = 0;
Run lastTextRun = this.LastRun;
if (lastTextRun != null)
{
cx = lastTextRun.Right;
}
foreach (Run r in lowerLine._runs)
{
this.AddLast(r);
Run.DirectSetLocation(r, cx, 0);
cx += r.Width;
}
this.LocalResumeLineReArrange();
this.EndWithLineBreak = lowerLine.EndWithLineBreak;
_textFlowLayer.Remove(lowerLine._currentLineNumber);
}
public void AddLineBreakAfter(Run afterTextRun)
{
if (afterTextRun == null)
{
this.EndWithLineBreak = true;
TextLineBox newline = _textFlowLayer.InsertNewLine(_currentLineNumber + 1);
//
if (_textFlowLayer.LineCount - 1 != newline.LineNumber)
{
newline.EndWithLineBreak = true;
}
}
else if (afterTextRun.NextRun == null)
{
this.EndWithLineBreak = true;
TextLineBox newline = _textFlowLayer.InsertNewLine(_currentLineNumber + 1);
//
if (_textFlowLayer.LineCount - 1 != newline.LineNumber)
{
newline.EndWithLineBreak = true;
}
}
else
{
using (RunListPool.Borrow(out List <Run> tempTextRuns))
{
if (afterTextRun != null)
{
foreach (Run t in GetRunIterForward(afterTextRun.NextRun))
{
tempTextRuns.Add(t);
}
}
bool thisEndWithLineBreak = this.EndWithLineBreak;
this.EndWithLineBreak = true;
this.LocalSuspendLineReArrange();
TextLineBox newTextline = _textFlowLayer.InsertNewLine(_currentLineNumber + 1);
newTextline.EndWithLineBreak = thisEndWithLineBreak;
//
int j = tempTextRuns.Count;
newTextline.LocalSuspendLineReArrange();
int cx = 0;
for (int i = 0; i < j; ++i)
{
Run t = tempTextRuns[i];
this.Remove(t);
newTextline.AddLast(t);
Run.DirectSetLocation(t, cx, 0);
cx += t.Width;
}
newTextline.LocalResumeLineReArrange();
this.LocalResumeLineReArrange();
}
}
}
public void LocalResumeLineReArrange()
{
_lineFlags &= ~LOCAL_SUSPEND_LINE_REARRANGE;
LinkedListNode <Run> curNode = this.First;
int cx = 0;
while (curNode != null)
{
Run r = curNode.Value;
Run.DirectSetLocation(r, cx, 0);
cx += r.Width;
curNode = curNode.Next;
}
}
public void RefreshInlineArrange()
{
Run r = this.FirstRun;
int lastestX = 0;
while (r != null)
{
Run.DirectSetLocation(
r,
lastestX,
r.Top);
lastestX += r.Width;
r = r.NextRun;
}
}