/// <summary>
/// Copy data from managed array to this Mat
/// </summary>
/// <typeparam name="T">The type of managed data array</typeparam>
/// <param name="data">The managed array where data will be copied from</param>
public void SetTo <T>(T[] data)
{
Debug.Assert(
data.Length == Total.ToInt32() * ElementSize / Toolbox.SizeOf <T>(), String.Format("Invalid data length, expecting {0} but was {1}", Total.ToInt32() * ElementSize / Toolbox.SizeOf <T>(), data.Length));
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
UMatInvoke.cveUMatCopyDataFrom(this, handle.AddrOfPinnedObject());
handle.Free();
}
/// <summary>
/// Copy data from this Mat to the managed array
/// </summary>
/// <typeparam name="T">The type of managed data array</typeparam>
/// <param name="data">The managed array where data will be copied to.</param>
public void CopyTo <T>(T[] data)
{
Debug.Assert(
Toolbox.SizeOf <T>() * data.Length >= Total.ToInt32() * ElementSize,
String.Format("Size of data is not enough, required at least {0}, but was {1} ", Total.ToInt32() * ElementSize / Toolbox.SizeOf <T>(), data.Length));
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
UMatInvoke.cveUMatCopyDataTo(this, handle.AddrOfPinnedObject());
handle.Free();
}
/// <summary>
/// Release all the unmanaged memory associated with this object.
/// </summary>
protected override void DisposeObject()
{
if (_needDispose && _ptr != IntPtr.Zero)
{
UMatInvoke.cveUMatRelease(ref _ptr);
}
//if (_oclMatAllocator != IntPtr.Zero)
// MatDataAllocatorInvoke.cveMatAllocatorRelease(ref _oclMatAllocator);
base.DisposeObject();
}
/// <summary>
/// Converts an array to another data type with optional scaling.
/// </summary>
/// <param name="m">Output matrix; if it does not have a proper size or type before the operation, it is reallocated.</param>
/// <param name="rtype">Desired output matrix type or, rather, the depth since the number of channels are the same as the input has; if rtype is negative, the output matrix will have the same type as the input.</param>
/// <param name="alpha">Optional scale factor.</param>
/// <param name="beta">Optional delta added to the scaled values.</param>
public void ConvertTo(IOutputArray m, CvEnum.DepthType rtype, double alpha = 1.0, double beta = 0.0)
{
using (OutputArray oaM = m.GetOutputArray())
UMatInvoke.cveUMatConvertTo(Ptr, oaM, rtype, alpha, beta);
}
/// <summary>
/// Changes the shape and/or the number of channels of a 2D matrix without copying the data.
/// </summary>
/// <param name="cn">New number of channels. If the parameter is 0, the number of channels remains the same.</param>
/// <param name="rows">New number of rows. If the parameter is 0, the number of rows remains the same.</param>
/// <returns>A new mat header that has different shape</returns>
public UMat Reshape(int cn, int rows = 0)
{
return(new UMat(UMatInvoke.cveUMatReshape(Ptr, cn, rows), true));
}
/// <summary>
/// Pointer to the InputOutputArray
/// </summary>
public InputOutputArray GetInputOutputArray()
{
return(new InputOutputArray(UMatInvoke.cveInputOutputArrayFromUMat(_ptr), this));
}
/// <summary>
/// Pointer to the OutputArray
/// </summary>
public OutputArray GetOutputArray()
{
return(new OutputArray(UMatInvoke.cveOutputArrayFromUMat(_ptr), this));
}
/*
* /// <summary>
* /// Copies the values of the <paramref name="data"/> to Mat.
* /// </summary>
* /// <param name="data">The data storage, must match the size of the Mat</param>
* public void SetTo(Array data)
* {
* if (IsEmpty)
* {
* int dimension = data.Rank;
*
* DepthType dt = Mat.GetDepthTypeFromArray(data);
* if (dt == DepthType.Default)
* throw new Exception("The specific data type is not supported.");
*
* if (dimension == 1)
* {
* this.Create(data.GetLength(0), 1, dt, 1);
* }
* else if (dimension == 2)
* {
* this.Create(data.GetLength(0), data.GetLength(1), dt, 1);
* }
* else if (dimension == 3)
* {
* this.Create(data.GetLength(0), data.GetLength(1), dt, 1);
* }
* else
* {
* throw new Exception("The Mat has to be pre-allocated");
* }
* }
*
* using (Mat.MatWithHandle m = Mat.PrepareArrayForCopy(Depth, Size, NumberOfChannels, data))
* m.CopyTo(this);
* }*/
/// <summary>
/// Return the Mat representation of the UMat
/// </summary>
public Mat GetMat(CvEnum.AccessType access)
{
return(new Mat(UMatInvoke.cveUMatGetMat(_ptr, access), true, false));
}
/// <summary>
/// Copy the data in this umat to the other mat
/// </summary>
/// <param name="mask">Operation mask. Its non-zero elements indicate which matrix elements need to be copied.</param>
/// <param name="m">The input array to copy to</param>
public void CopyTo(IOutputArray m, IInputArray mask = null)
{
using (OutputArray oaM = m.GetOutputArray())
using (InputArray iaMask = mask == null ? InputArray.GetEmpty() : mask.GetInputArray())
UMatInvoke.cveUMatCopyTo(this, oaM, iaMask);
}
/// <summary>
/// Allocates new array data if needed.
/// </summary>
/// <param name="rows">New number of rows.</param>
/// <param name="cols">New number of columns.</param>
/// <param name="type">New matrix element depth type.</param>
/// <param name="channels">New matrix number of channels</param>
/// <param name="usage">Allocation Usage</param>
public void Create(int rows, int cols, CvEnum.DepthType type, int channels, Usage usage = Usage.Default)
{
UMatInvoke.cveUMatCreateData(_ptr, rows, cols, CvInvoke.MakeType(type, channels), usage);
}
/// <summary>
/// Create a umat header for the specific ROI
/// </summary>
/// <param name="umat">The umat where the new UMat header will share data from</param>
/// <param name="rowRange">The region of interest</param>
/// <param name="colRange">The region of interest</param>
public UMat(UMat umat, Range rowRange, Range colRange)
: this(UMatInvoke.cveUMatCreateFromRange(umat.Ptr, ref rowRange, ref colRange), true)
{
}
/// <summary>
/// Get the Umat header for the specific roi of the parent
/// </summary>
/// <param name="parent">The parent Umat</param>
/// <param name="roi">The region of interest</param>
public UMat(UMat parent, Rectangle roi)
: this(UMatInvoke.cveUMatCreateFromRect(parent.Ptr, ref roi), true)
{
}
/// <summary>
/// Create an empty cv::UMat
/// </summary>
public UMat()
: this(UMatInvoke.cveUMatCreate(), true)
{
}
/// <summary>
/// Create a umat header for the specific ROI
/// </summary>
/// <param name="umat">The umat where the new UMat header will share data from</param>
/// <param name="rowRange">The region of interest</param>
/// <param name="colRange">The region of interest</param>
public UMat(UMat umat, Emgu.CV.Structure.Range rowRange, Emgu.CV.Structure.Range colRange)
: this(UMatInvoke.cveUMatCreateFromRange(umat.Ptr, ref rowRange, ref colRange), true)
{
}
/*
* /// <summary>
* /// Copies the values of the UMat to <paramref name="data"/>.
* /// </summary>
* /// <param name="data">The data storage, must match the size of the UMat</param>
* public void CopyTo(Array data)
* {
* if (IsEmpty)
* {
* throw new Exception("The UMat is empty");
* }
*
* using (Mat.MatWithHandle m = Mat.PrepareArrayForCopy(Depth, Size, NumberOfChannels, data))
* CopyTo(m);
* }*/
/// <summary>
/// Sets all or some of the array elements to the specified value.
/// </summary>
/// <param name="value">Assigned scalar converted to the actual array type.</param>
/// <param name="mask">Operation mask of the same size as the umat.</param>
public void SetTo(IInputArray value, IInputArray mask = null)
{
using (InputArray iaValue = value.GetInputArray())
using (InputArray iaMask = mask == null ? InputArray.GetEmpty() : mask.GetInputArray())
UMatInvoke.cveUMatSetTo(Ptr, iaValue, iaMask);
}
/// <summary>
/// Computes the dot product of two mats
/// </summary>
/// <param name="mat">The matrix to compute dot product with</param>
/// <returns>The dot product</returns>
public double Dot(IInputArray mat)
{
using (InputArray iaMat = mat.GetInputArray())
return(UMatInvoke.cveUMatDot(Ptr, iaMat));
}
/// <summary>
/// Allocates new array data if needed.
/// </summary>
/// <param name="rows">New number of rows.</param>
/// <param name="cols">New number of columns.</param>
/// <param name="type">New matrix element depth type.</param>
/// <param name="channels">New matrix number of channels</param>
public void Create(int rows, int cols, CvEnum.DepthType type, int channels)
{
UMatInvoke.cvUMatCreateData(_ptr, rows, cols, CvInvoke.MakeType(type, channels));
}
