/// <summary>
/// Gets the rows to remove.
/// </summary>
/// <param name="shapeModel">The shape model.</param>
/// <returns>A list of row indexes</returns>
private static List <int> GetRowsToRemove(this ShapeModel shapeModel)
{
var rowsToRemove = new List <int>();
for (int row = shapeModel.LastRow(); row >= 1; row--)
{
if (shapeModel.GetRow(row).All(b => b.Color == CGA16Colors.Black.GetColor()))
{
rowsToRemove.Add(row);
}
else
{
break;
}
}
for (int row = 1; row <= shapeModel.LastRow(); row++)
{
if (shapeModel.GetRow(row).All(b => b.Color == CGA16Colors.Black.GetColor()))
{
rowsToRemove.Add(row);
}
else
{
break;
}
}
rowsToRemove.Sort();
rowsToRemove.Reverse();
return(rowsToRemove);
}
