public ValueTask ReadAsync(TiffPoint offset, TiffPixelBufferWriter <TDestination> destination, CancellationToken cancellationToken)
{
ITiffPixelBufferWriter <TDestination> destinationWriter = TiffPixelBufferUnsafeMarshal.GetBuffer(destination, out TiffPoint destinationOffset, out TiffSize size);
TiffPixelBufferWriter <TSource> newDestination = new TiffPassthroughPixelBufferWriter <TSource, TDestination>(destinationWriter).AsPixelBufferWriter().Crop(destinationOffset, size);
return(_source.ReadAsync(offset, newDestination, cancellationToken));
}
public override void Dispose()
{
_innerHandle?.Dispose();
_innerHandle = null;
if (_parent != null)
{
TiffPassthroughPixelBufferWriter <TSource, TDestination> parent = _parent;
_parent = null;
Interlocked.CompareExchange(ref parent._cachedHandle, this, null);
}
}
internal void SetHandle(TiffPassthroughPixelBufferWriter <TSource, TDestination> parent, TiffPixelSpanHandle <TDestination> handle, int length)
{
_parent = parent;
_innerHandle = handle;
_length = length;
}
