/// <summary>
/// Retrieves a sequence of adjacent horizontal same-color segments
/// </summary>
/// <param name="field">from this field</param>
/// <param name="y"></param>
/// <returns></returns>
static SpanList GetSpansFromLine(Field field, int y)
{
SpanList result = new SpanList();
Color currentElement = field[0, y];
Span current = new Span()
{
StartX = 0, Y = y, Color = currentElement
};
for (int x = 1; x < field.Size.Width; x++)
{
if (field[x, y] != currentElement)
{
currentElement = field[x, y];
current.EndX = x - 1;
result.Add(current);
current = new Span()
{
StartX = x, Y = y, Color = currentElement
};
}
}
current.EndX = field.Size.Width - 1;
result.Add(current);
return(result);
}
