internal PreviewCreator(VolumeMetadata metadata, ushort minification, IProgress <VolumeSliceDefinition> progress = null, CancellationToken ct = default(CancellationToken))
{
_Metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
_Minification = minification;
_Progress = progress;
_Ct = ct;
_PreviewSizeX = ( ushort )((metadata.SizeX - 1) / minification + 1);
_PreviewSizeY = ( ushort )((metadata.SizeY - 1) / minification + 1);
_PreviewSizeZ = ( ushort )((metadata.SizeZ - 1) / minification + 1);
if (_PreviewSizeX < 2 || _PreviewSizeY < 2 || _PreviewSizeZ < 2)
{
throw new ArgumentOutOfRangeException(nameof(minification));
}
_PreviewData = new byte[_PreviewSizeZ][];
long sliceSize = _PreviewSizeX * _PreviewSizeY;
for (var z = 0; z < _PreviewSizeZ; z++)
{
_PreviewData[z] = new byte[sliceSize];
}
Interop = new InteropSliceWriter
{
WriteSlice = WriteSlice
};
}
internal VolumeSliceRangeCollector(VolumeMetadata metaData, Direction direction, IReadOnlyCollection <VolumeSliceRangeDefinition> ranges, IProgress <VolumeSliceDefinition> progressNotifier = null, CancellationToken ct = default(CancellationToken))
{
if (direction != Direction.Z && ranges.Any(r => r.Direction != direction))
{
throw new ArgumentException("Collecting slices ranges for different directions than input is only allowed for z-directed input");
}
_Direction = direction;
_ProgressNotifier = progressNotifier;
_Ct = ct;
_X = metaData.SizeX;
_Y = metaData.SizeY;
_Z = metaData.SizeZ;
foreach (var range in ranges)
{
var set = GetSlices(range.Direction);
for (var i = range.First; i <= range.Last; i++)
{
metaData.GetSliceSize(range.Direction, out var x, out var y);
set[i] = new byte[x * y];
}
}
Interop = new InteropSliceWriter
{
WriteSlice = WriteSlice
};
}
internal FullVolumeWriter(VolumeMetadata metadata, Direction direction, IProgress <ushort> progressNotifier = null, CancellationToken ct = default(CancellationToken))
{
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
_ProgressNotifier = progressNotifier;
_Ct = ct;
metadata.GetSliceSize(direction, out _SizeX, out _SizeY);
_SizeZ = metadata.GetSize(direction);
_Data = new byte[_SizeZ][];
for (var z = 0; z < _SizeZ; z++)
{
_Data[z] = new byte[_SizeX * _SizeY];
}
Interop = new InteropSliceWriter
{
WriteSlice = WriteSlice
};
}
internal static extern int DecompressSlices(InteropStream inputStream, InteropSliceWriter outputStream, ushort index, ushort count);
internal static extern int DecompressVolume(InteropStream inputStream, InteropSliceWriter outputStream);
