private List <List <IPaletteItem> > GenerateRows(TextPatternStart textPatternStart)
{
var result = new List <List <IPaletteItem> >(this.RowCount);
var rows = GetRowCoordinates();
if (textPatternStart == TextPatternStart.BottomRight)
{
rows = rows.Reverse();
}
int rowIndex = 0;
foreach (var rowCoordinates in rows)
{
List <IPaletteItem> row = new List <IPaletteItem>();
int x = rowCoordinates.Start.X;
int y = rowCoordinates.Start.Y;
for (; x <= rowCoordinates.End.X && y >= rowCoordinates.End.Y; x++, y--)
{
row.Add(this[x, y]);
}
if (rowIndex++ % 2 == 0)
{
row.Reverse();
}
result.Add(row);
}
return(result);
}
public string GenerateTextPattern(TextPatternStart textPatternStart = TextPatternStart.BottomRight)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine($"Pattern starts {(textPatternStart == TextPatternStart.TopLeft ? "top left" : "bottom right")}");
sb.AppendLine("Odd rows (1, 3 etc) are down rows");
sb.AppendLine();
int rowNumber = 1;
foreach (List <IPaletteItem> row in GenerateRows(textPatternStart))
{
IPaletteItem lastColor = null;
int lastColorCount = 0;
Action <bool> appendColor = (includeComma) =>
{
if (lastColorCount > 0)
{
string colorString = lastColor.Text;
sb.Append(lastColorCount);
sb.Append(colorString);
if (includeComma)
{
sb.Append(",");
}
}
lastColorCount = 0;
};
sb.Append(rowNumber++);
sb.Append(":");
sb.Append("\t");
for (int i = 0; i < row.Count; i++)
{
if (row[i] != lastColor)
{
appendColor(true);
lastColor = row[i];
}
lastColorCount++;
}
appendColor(false);
sb.AppendFormat("({0})", row.Count);
sb.AppendLine();
}
return(sb.ToString());
}
