C# (CSharp) LayoutFarm.Text EditableTextFlowLayer.GetTextLineAtPos示例

GetTextLineAtPos() private method

private GetTextLineAtPos ( int y ) : EditableTextLine
y	int
return	EditableTextLine

示例#1

文件： TextEditRenderBox.BaseFunctions.cs 项目： lingliy/HtmlRenderer

        public Rectangle GetRectAreaOf(int beginlineNum, int beginColumnNum, int endLineNum, int endColumnNum)
        {
            EditableTextFlowLayer flowLayer = this.textLayer;
            EditableTextLine      beginLine = flowLayer.GetTextLineAtPos(beginlineNum);

            if (beginLine == null)
            {
                return(Rectangle.Empty);
            }
            if (beginlineNum == endLineNum)
            {
                VisualPointInfo beginPoint = beginLine.GetTextPointInfoFromCharIndex(beginColumnNum);
                VisualPointInfo endPoint   = beginLine.GetTextPointInfoFromCharIndex(endColumnNum);
                return(new Rectangle(beginPoint.X, beginLine.Top, endPoint.X, beginLine.ActualLineHeight));
            }
            else
            {
                VisualPointInfo  beginPoint = beginLine.GetTextPointInfoFromCharIndex(beginColumnNum);
                EditableTextLine endLine    = flowLayer.GetTextLineAtPos(endLineNum);
                VisualPointInfo  endPoint   = endLine.GetTextPointInfoFromCharIndex(endColumnNum);
                return(new Rectangle(beginPoint.X, beginLine.Top, endPoint.X, beginLine.ActualLineHeight));
            }
        }