|
private Merge ( |
||
| srcArr | ||
| dst | ||
| stream | ||
| return | void | |
/// <summary>
/// Makes multi-channel array out of several single-channel arrays
/// </summary>
///<param name="gpuMats">
///An array of single channel GpuMat where each item
///in the array represent a single channel of the GpuMat
///</param>
/// <param name="stream">Use a Stream to call the function asynchronously (non-blocking) or null to call the function synchronously (blocking).</param>
public void MergeFrom(GpuMat <TDepth>[] gpuMats, Stream stream)
{
Debug.Assert(NumberOfChannels == gpuMats.Length, "Number of channels does not agrees with the length of gpuMats");
//If single channel, perform a copy
if (NumberOfChannels == 1)
{
if (stream == null)
{
GpuInvoke.Copy(gpuMats[0].Ptr, _ptr, IntPtr.Zero);
}
else
{
stream.Copy <TDepth>(gpuMats[0], this);
}
}
//handle multiple channels
Size size = Size;
IntPtr[] ptrs = new IntPtr[gpuMats.Length];
for (int i = 0; i < gpuMats.Length; i++)
{
Debug.Assert(gpuMats[i].Size == size, "Size mismatch");
ptrs[i] = gpuMats[i].Ptr;
}
GCHandle handle = GCHandle.Alloc(ptrs, GCHandleType.Pinned);
GpuInvoke.Merge(handle.AddrOfPinnedObject(), _ptr, stream);
handle.Free();
}