public AseCelChunk(AseFrame frame, AseReader reader, int size)
: base(frame)
{
// Keep track of read position
var pos = reader.Position;
LayerIndex = reader.ReadWORD();
PositionX = reader.ReadSHORT();
PositionY = reader.ReadSHORT();
Opacity = reader.ReadBYTE();
CelType = (CelType)reader.ReadWORD();
// Ignore next 7 bytes
reader.ReadBYTEs(7);
if (CelType == CelType.Raw)
{
Width = reader.ReadWORD();
Height = reader.ReadWORD();
var bytesRead = reader.Position - pos;
PixelBytes = reader.ReadBYTEs(size - bytesRead);
}
else if (CelType == CelType.Linked)
{
FramePositionLink = reader.ReadWORD();
// Get a reference to our linked cell. It should be in a previous frame with a matching layer index.
Debug.Assert(Frame.AseFile.Frames.Count > FramePositionLink);
LinkedCel = Frame.AseFile.Frames[FramePositionLink].Chunks.OfType <AseCelChunk>().FirstOrDefault(c => c.LayerIndex == LayerIndex);
Debug.Assert(LinkedCel != null);
}
else if (CelType == CelType.CompressedImage)
{
Width = reader.ReadWORD();
Height = reader.ReadWORD();
var bytesRead = reader.Position - pos;
var compressed = reader.ReadBYTEs(size - bytesRead);
PixelBytes = ZlibDeflate(compressed);
}
}