public bool ReadChunk(ref IFrameDataSubset subset, int overrideChunkSize = 0)
{
if (_chunkReadIndex >= Left.Length)
{
return(false);
}
if (overrideChunkSize != 0)
{
_chunkReadSize = overrideChunkSize;
}
var readSize = _chunkReadSize;
var readIndex = _chunkReadIndex;
if (readIndex + readSize >= Left.Length)
{
readSize = Left.Length - readIndex;
}
_chunkReadIndex += readSize;
subset = new FrameDataSubset(Left, Right, readIndex, readSize);
return(true);
}
public void ASubsetCannotExtendPastTheBoundsOfTheParentData()
{
var left = new float[100];
var fds = new FrameDataSubset(left, left, 99, 1);
Assert.Equal(1, fds.Length);
Assert.Throws(typeof(ArgumentException), () => fds = new FrameDataSubset(left, left, 99, 2));
}
public void AFrameDataSubsetRepresentsAViewIntoAFrameBuffer()
{
var left = new float[100];
var right = new float[100];
for (var i = 0; i < 100; ++i)
{
left[i] = i;
right[i] = 99 - i;
}
var fds = new FrameDataSubset(left, right, 0, 50);
Assert.Equal(50, fds.Length);
Assert.Equal(49, fds.Left.Max());
Assert.Equal(99, fds.Right.Max());
fds = new FrameDataSubset(left, right, 50, 50);
Assert.Equal(50, fds.Length);
Assert.Equal(99, fds.Left.Max());
Assert.Equal(49, fds.Right.Max());
}
public bool ReadChunk(ref IFrameDataSubset subset, int overrideChunkSize = 0)
{
if (_chunkReadIndex >= Left.Length) return false;
if (overrideChunkSize != 0)
{
_chunkReadSize = overrideChunkSize;
}
var readSize = _chunkReadSize;
var readIndex = _chunkReadIndex;
if (readIndex + readSize >= Left.Length)
{
readSize = Left.Length - readIndex;
}
_chunkReadIndex += readSize;
subset = new FrameDataSubset(Left, Right, readIndex, readSize);
return true;
}