public Pattern()
{
Data = new byte[Width, Height];
Author = new User();
Title = "Untitled";
Type = PatternType.Normal;
ColorPalette = new Palette();
}
private void LoadFromStream(Stream stream)
{
BinaryReader binaryReader = new BinaryReader(stream);
NibbleReader nibbleReader = new NibbleReader(binaryReader);
byte type = nibbleReader.ReadByte();
if (type != 0x40)
throw new NotImplementedException();
int size = nibbleReader.ReadByte();
size = (size << 4) | nibbleReader.ReadNibble();
if (size != 0x26C)
throw new InvalidDataException("Size is invalid.");
Title = nibbleReader.ReadString(42);
Author = new User(nibbleReader);
ColorPalette = new Palette(nibbleReader);
nibbleReader.ReadByte(); // Unknown
nibbleReader.ReadByte(); // Unknown, 0x0A
Type = (PatternType)nibbleReader.ReadByte();
nibbleReader.ReadByte(); // Unknown, 0x00
nibbleReader.ReadByte(); // Unknown, 0x00
for (int j = 0; j < Data.GetLength(1); j++)
for (int i = 0; i < Data.GetLength(0); i += 2)
{
Data[i + 1, j] = nibbleReader.ReadNibble();
Data[i, j] = nibbleReader.ReadNibble();
}
}
private void LoadFromPixelData(byte[] data)
{
Title = "Untitled";
Author = new User("Someone", "Nowhere", new byte[] { 0, 0, 0, 0, 0, 0 });
Type = PatternType.Normal;
Color[,] sourceImage = new Color[Width, Height];
for (int i = 0; i < Width; i++)
for (int j = 0; j < Height; j++)
sourceImage[i, j] = new Color(data[(j * Height + i) * 3 + 2], data[(j * Height + i) * 3 + 1], data[(j * Height + i) * 3 + 0]);
HashSet<Color> bestPalette = CreateBestPalette(sourceImage);
ColorPalette = new Palette();
int k = 0;
foreach (Color c in bestPalette)
ColorPalette.SetColor(k++, c);
for (int i = 0; i < Width; i++)
for (int j = 0; j < Height; j++)
Data[i, j] = ColorPalette.GetNearestColorIndex(sourceImage[i, j]);
}