private void SetBounds(FpSpread fpSpread, LineShape lineShape)
{
Rectangle startCellRectangle = GetCellRectangle(fpSpread, startCellRow + rowOffset, startCellColumn);
Rectangle endCellRectangle = GetCellRectangle(fpSpread, endCellRow + rowOffset, endCellColumn);
int x = startCellRectangle.X;
int y = startCellRectangle.Y;
int width = endCellRectangle.Right - startCellRectangle.Left;
int height = endCellRectangle.Bottom - startCellRectangle.Top;
lineShape.SetBounds(x, y, width, height);
if (bevelLineType == BevelLineType.Up)
{
lineShape.SetBounds(x, y + height, width, height);
float tan = (float)height / (float)width;
double rotate = Math.Atan2(height, width) * 180 / Math.PI;
lineShape.Rotate(lineShape.Location, -2 * (float)rotate);
}
}