示例#1
0
        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();
                }
            }
        }
示例#2
0
        void RemoveRight(Run t)
        {
            LocalSuspendLineReArrange();

            using (RunListPool.Borrow(out LinkedList <Run> tobeRemoveTextRuns))
            {
                CollectRightRuns(t, tobeRemoveTextRuns);

                LinkedListNode <Run> curNode = tobeRemoveTextRuns.First;

                while (curNode != null)
                {
                    Remove(curNode.Value);
                    curNode = curNode.Next;
                }
            }

            LocalResumeLineReArrange();
        }
示例#3
0
 void AddLineBreakBefore(Run beforeTextRun)
 {
     if (beforeTextRun == null)
     {
         this.EndWithLineBreak = true;
         _textFlowLayer.InsertNewLine(_currentLineNumber + 1);
     }
     else
     {
         //TODO: use pool
         using (RunListPool.Borrow(out List <Run> tempTextRuns))
         {
             if (beforeTextRun != null)
             {
                 foreach (Run t in GetRunIterForward(beforeTextRun))
                 {
                     tempTextRuns.Add(t);
                 }
             }
             this.EndWithLineBreak = true;
             TextLineBox newTextline = _textFlowLayer.InsertNewLine(_currentLineNumber + 1);
             //
             this.LocalSuspendLineReArrange();
             newTextline.LocalSuspendLineReArrange();
             int j = tempTextRuns.Count;
             for (int i = 0; i < j; ++i)
             {
                 Run t = tempTextRuns[i];
                 this.Remove(t);
                 newTextline.AddLast(t);
             }
             this.LocalResumeLineReArrange();
             newTextline.LocalResumeLineReArrange();
         }
     }
 }