public static FlicChunk Load(ISerializer s, int width, int height)
{
if (s == null)
{
throw new ArgumentNullException(nameof(s));
}
var chunkSizeOffset = s.Offset;
uint chunkSize = s.UInt32(null, 0);
if ((chunkSize & 0x1) != 0)
{
chunkSize++;
}
FlicChunkType type = (FlicChunkType)s.UInt16(null, 0);
// Chunk
FlicChunk c = type switch
{
FlicChunkType.Palette8Bit => new Palette8Chunk(),
FlicChunkType.DeltaWordOrientedRle => new DeltaFlcChunk(),
FlicChunkType.FullByteOrientedRle => new FullByteOrientedRleChunk(width, height),
FlicChunkType.FullUncompressed => new CopyChunk(),
FlicChunkType.Frame => new FlicFrame(width, height),
// FlicChunkType.Palette6Bit => new Palette6Chunk(),
// FlicChunkType.DeltaByteOrientedRle => new DeltaFliChunk(),
// FlicChunkType.BlackFrameData => new BlackFrameChunk(),
// FlicChunkType.Thumbnail => new ThumbnailChunk(),
_ => new UnknownChunk(type)
};
// Fix export issue in Autodesk Animator
if (type == FlicChunkType.FullUncompressed &&
width * height + ChunkHeaderSize - 2 == chunkSize)
{
chunkSize += 2;
}
chunkSize = c.LoadChunk(chunkSize - ChunkHeaderSize, s) + ChunkHeaderSize;
var actualChunkSize = s.Offset - chunkSizeOffset;
if (actualChunkSize - chunkSize < 4) // pad
{
for (long i = chunkSize - actualChunkSize; i != 0; i--)
{
s.UInt8(null, 0);
}
actualChunkSize = s.Offset - chunkSizeOffset;
}
ApiUtil.Assert(actualChunkSize == chunkSize);
return(c);
}
}
public static FlicChunk Load(BinaryReader br, int width, int height)
{
var chunkSizeOffset = br.BaseStream.Position;
uint chunkSize = br.ReadUInt32();
if ((chunkSize & 0x1) != 0)
{
chunkSize++;
}
FlicChunkType type = (FlicChunkType)br.ReadUInt16();
// Chunk
FlicChunk c = type switch
{
FlicChunkType.Palette8Bit => new Palette8Chunk(),
FlicChunkType.DeltaWordOrientedRle => new DeltaFlcChunk(),
FlicChunkType.FullByteOrientedRle => new FullByteOrientedRleChunk(width, height),
FlicChunkType.FullUncompressed => new CopyChunk(),
FlicChunkType.Frame => new FlicFrame(width, height),
// FlicChunkType.Palette6Bit => new Palette6Chunk(),
// FlicChunkType.DeltaByteOrientedRle => new DeltaFliChunk(),
// FlicChunkType.BlackFrameData => new BlackFrameChunk(),
// FlicChunkType.Thumbnail => new ThumbnailChunk(),
_ => new UnknownChunk(type)
};
// Fix export issue in Autodesk Animator
if (type == FlicChunkType.FullUncompressed &&
width * height + ChunkHeaderSize - 2 == chunkSize)
{
chunkSize += 2;
}
chunkSize = c.LoadChunk(chunkSize - ChunkHeaderSize, br) + ChunkHeaderSize;
var actualChunkSize = br.BaseStream.Position - chunkSizeOffset;
if (actualChunkSize - chunkSize < 4) // pad
{
for (long i = chunkSize - actualChunkSize; i != 0; i--)
{
br.ReadByte();
}
actualChunkSize = br.BaseStream.Position - chunkSizeOffset;
}
ApiUtil.Assert(actualChunkSize == chunkSize);
return(c);
}
}
