public override HashSet<ChunkContainer> GetChunks(LocationPool locationPool)
{
HashSet<ChunkContainer> result = new HashSet<ChunkContainer>();
if (Locations.Count == 0)
{
return result;
}
if (Palette.Count() == 1)
{
if (IsRectangle())
{
MonoRectangleChunk rectangleChunk = new MonoRectangleChunk();
rectangleChunk.Origin = BoundingBox.UpperLeft;
rectangleChunk.Width = BoundingBox.Width();
rectangleChunk.Height = BoundingBox.Height();
MonoRectangleChunkContainer container = new MonoRectangleChunkContainer();
container.Chunk = rectangleChunk;
container.Locations = GetLocations(BoundingBox);
container.Color = Palette.Colors.First();
result.Add(container);
return result;
}
//output a monochunk?
MonoBitPlaneChunk monoColorChunk = new MonoBitPlaneChunk();
monoColorChunk.Width = BoundingBox.Width();
monoColorChunk.Height = BoundingBox.Height();
monoColorChunk.Initialize();
monoColorChunk.Origin = BoundingBox.UpperLeft;
foreach (Location location in Locations)
{
monoColorChunk.SetColor(location.Point.X, location.Point.Y);
}
MonoBitPlaneChunkContainer monoContainer = new MonoBitPlaneChunkContainer();
monoContainer.Chunk = monoColorChunk;
monoContainer.Locations = Locations;
monoContainer.Color = Palette.Colors.First();
result.Add(monoContainer);
return result;
}
if (IsRectangle())
{
MultiColorRectangleChunkContainer container = new MultiColorRectangleChunkContainer();
ColorRectangleChunk rectangleChunk = new ColorRectangleChunk();
rectangleChunk.Origin = BoundingBox.UpperLeft;
rectangleChunk.Width = BoundingBox.Width();
rectangleChunk.Height = BoundingBox.Height();
//rectangleChunk.Direction = Direction.Left;
rectangleChunk.Initialize();
container.Chunk = rectangleChunk;
container.Locations = Locations;
rectangleChunk.Palette = Palette.GetPaletteChunk();
foreach (Location location in Locations)
{
rectangleChunk.SetColor(location.Color, location.Point.X, location.Point.Y);
}
result.Add(container);
return result;
}
//Don't break it into further rectangles right now... just output a bitplane
MultiColorBitPlaneChunkContainer chunkContainer = new MultiColorBitPlaneChunkContainer();
ColorBitPlaneChunk colorBitPlaneChunk = new ColorBitPlaneChunk();
colorBitPlaneChunk.Origin = BoundingBox.UpperLeft;
colorBitPlaneChunk.Height = BoundingBox.Height();
colorBitPlaneChunk.Width = BoundingBox.Width();
colorBitPlaneChunk.Palette = Palette.GetPaletteChunk();
colorBitPlaneChunk.Initialize();
chunkContainer.Chunk = colorBitPlaneChunk;
chunkContainer.Locations = Locations;
foreach (Location location in Locations)
{
//bitmask must use local coordinates
colorBitPlaneChunk.SetColor(location.Color, location.Point.X, location.Point.Y);
}
result.Add(chunkContainer);
return result;
}
public void SetData(byte[] data)
{
//skip label and size
int index = 0;
PaletteChunk paletteChunk = new DefaultPaletteChunk();
while (index < data.Length)
{
string label = Encoding.ASCII.GetString(data, index, 2);
//case statement would work better here
if (label.Equals(ColorBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
ColorBitPlaneChunk colorChunk = new ColorBitPlaneChunk();
colorChunk.Palette = paletteChunk;
colorChunk.SetData(chunkData);
Chunks.Add(colorChunk);
index += size + 4;
}
else if (label.Equals(ColorRectangleChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
ColorRectangleChunk colorRectangleChunk = new ColorRectangleChunk();
colorRectangleChunk.Palette = paletteChunk;
colorRectangleChunk.SetData(chunkData);
Chunks.Add(colorRectangleChunk);
index += size + 4;
}
else if (label.Equals(MonoBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
MonoBitPlaneChunk monoChunk = new MonoBitPlaneChunk();
monoChunk.Palette = paletteChunk;
monoChunk.SetData(chunkData);
Chunks.Add(monoChunk);
index += size + 4;
}
else if (label.Equals(TransparentBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
TransparentBitPlaneChunk transparentChunk = new TransparentBitPlaneChunk();
transparentChunk.SetData(chunkData);
Chunks.Add(transparentChunk);
index += size + 4;
}
else if (label.Equals(MonoRectangleChunk.Label))
{
//must be background
MonoRectangleChunk chunk = new MonoRectangleChunk();
byte[] chunkData = new byte[11];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.Palette = paletteChunk;
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
}
else if (label.Equals(TransparentRectangleChunk.Label))
{
//must be background
TransparentRectangleChunk chunk = new TransparentRectangleChunk();
byte[] chunkData = new byte[10];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
}
else if (label.Equals(PaletteChunk.Label))
{
//must be background
PaletteChunk chunk = new PaletteChunk();
int count = (data[index + 2] + 1) * 3;
byte[] chunkData = new byte[count + 3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
paletteChunk = chunk;
}
else if (label.Equals(DefaultPaletteChunk.Label))
{
//must be background
DefaultPaletteChunk chunk = new DefaultPaletteChunk();
int count = (data[index + 2] + 1) * 3;
byte[] chunkData = new byte[count + 3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += chunkData.Length;
paletteChunk = chunk;
}
else if (label.Equals(GrayBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
GrayBitPlaneChunk chunk = new GrayBitPlaneChunk();
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += size + 4;
}
else if (label.Equals(BlackWhiteBitPlaneChunk.Label))
{
int size = BitConverter.ToInt16(data, index + 2);
byte[] chunkData = new byte[size + 4];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
BlackWhiteBitPlaneChunk chunk = new BlackWhiteBitPlaneChunk();
chunk.SetData(chunkData);
Chunks.Add(chunk);
index += size + 4;
}
else if (label.Equals(BackgroundChunk.Label))
{
//Console.WriteLine("default to background with label " + label);
//must be background
BackgroundChunk background = new BackgroundChunk();
background.Palette = paletteChunk;
byte[] chunkData = new byte[3];
Array.Copy(data, index, chunkData, 0, chunkData.Length);
background.SetData(chunkData);
Chunks.Add(background);
index += chunkData.Length;
}
else
{
Console.WriteLine("Invalid chunk label " + label);
Console.WriteLine("At " + index + " " + Chunks.Count);
if (Chunks.Last() != null)
{
Console.WriteLine("Last chunk was " + Chunks.Last().Origin.ToString());
}
return;
}
}
}