private static extern IntPtr ManagedRandomAccessFile_Create(
ReadDelegate read,
CloseDelegate close,
GetSizeDelegate getSize,
TellDelegate tell,
SeekDelegate seek,
ClosedDelegate closed,
out IntPtr randomAccessFile);
protected HeifReader()
{
this.heifReaderHandle = new DisposableLazy <SafeCoTaskMemHandle>(CreateHeifReader);
this.getPositionDelegate = GetPosition;
this.readDelegate = Read;
this.seekDelegate = Seek;
this.waitForFileSizeDelegate = WaitForFileSize;
}
static CallbackHandler()
{
readCB = new ReadDelegate(read);
writeCB = new ReadDelegate(write);
seekCB = new SeekDelegate(seek);
closeCB = new CloseDelegate(close);
tellCB = new TellDelegate(tell);
eofCB = new EofDelegate(eof);
deleteCB = new DeleteDelegate(deleted);
}
static CallbackHandler()
{
readCallback = new ReadDelegate(read);
writeCallback = new WriteDelegate(write);
skipCallback = new SkipDelegate(skip);
seekCallback = new SeekDelegate(seek);
tellCallback = new TellDelegate(tell);
eofCallback = new EofDelegate(eof);
closeCallback = new CloseDelegate(close);
deletedCallback = new DeletedDelegate(deleted);
}
private static ParquetHandle Create(
ReadDelegate read,
CloseDelegate close,
GetSizeDelegate getSize,
TellDelegate tell,
SeekDelegate seek,
ClosedDelegate closed)
{
ExceptionInfo.Check(ManagedRandomAccessFile_Create(read, close, getSize, tell, seek, closed, out var handle));
return(new ParquetHandle(handle, RandomAccessFile_Free));
}
public HeifStreamIO(Stream stream, bool ownsStream = false)
{
Validate.IsNotNull(stream, nameof(stream));
this.stream = stream;
this.ownsStream = ownsStream;
this.heifReaderHandle = new DisposableLazy <SafeCoTaskMemHandle>(CreateHeifReader);
this.heifWriterHandle = new DisposableLazy <SafeCoTaskMemHandle>(CreateHeifWriter);
this.streamBuffer = new byte[MaxBufferSize];
this.getPositionDelegate = GetPosition;
this.readDelegate = Read;
this.seekDelegate = Seek;
this.waitForFileSizeDelegate = WaitForFileSize;
this.writeDelegate = Write;
}
private static extern IntPtr OgreManagedStream_Create(String name, IntPtr size, AccessMode accessMode, ReadDelegate read, WriteDelegate write, SkipDelegate skip, SeekDelegate seek, TellDelegate tell, EofDelegate eof, CloseDelegate close, DeletedDelegate deleted
#if FULL_AOT_COMPILE
, IntPtr instanceHandle
#endif
);
private static extern IntPtr ManagedStream_create(ReadDelegate readCB, ReadDelegate writeCB, SeekDelegate seekCB, CloseDelegate closeCB, TellDelegate tellCB, EofDelegate eofCB, DeleteDelegate deleteCB
#if FULL_AOT_COMPILE
, IntPtr instanceHandle
#endif
);
