internal static extern IntPtr cvCreateStructuringElementEx(
int cols,
int rows,
int anchor_x,
int anchor_y,
StructuringElementShape shape,
int[] values);
/// <summary>
/// Initializes a new instance of the <see cref="IplConvKernel"/> class with the specified
/// size, anchor, shape and optionally custom kernel values for the structuring element.
/// </summary>
/// <param name="cols">The width of the structuring element.</param>
/// <param name="rows">The height of the structuring element.</param>
/// <param name="anchorX">The x-coordinate of the anchor.</param>
/// <param name="anchorY">The y-coordinate of the anchor.</param>
/// <param name="shape">The shape of the structuring element.</param>
/// <param name="values">
/// The kernel values that specify the custom shape of the structuring element, when
/// <paramref name="shape"/> is equal to <see cref="StructuringElementShape.Custom"/>.
/// </param>
public IplConvKernel(int cols, int rows, int anchorX, int anchorY, StructuringElementShape shape, int[] values)
: base(true)
{
var pKernel = NativeMethods.cvCreateStructuringElementEx(cols, rows, anchorX, anchorY, shape, values);
SetHandle(pKernel);
}
public StructuringElement(int size)
{
Size = size;
Kernel = new int[size, size];
Shape = StructuringElementShape.Rectangle;
fillKernel();
}
public StructuringElement(StructuringElementShape shape, int size)
{
if (size % 2 != 1 && size < 3)
{
throw new ArgumentException("Size should be odd and at least 3");
}
Kernel = new int[size, size];
Size = size;
Shape = shape;
fillKernel();
}
/// <summary>
/// Initializes a new instance of the <see cref="IplConvKernel"/> class with the specified
/// size, anchor and shape for the structuring element.
/// </summary>
/// <param name="cols">The width of the structuring element.</param>
/// <param name="rows">The height of the structuring element.</param>
/// <param name="anchorX">The x-coordinate of the anchor.</param>
/// <param name="anchorY">The y-coordinate of the anchor.</param>
/// <param name="shape">The shape of the structuring element.</param>
public IplConvKernel(int cols, int rows, int anchorX, int anchorY, StructuringElementShape shape)
: this(cols, rows, anchorX, anchorY, shape, null)
{
}
/// <summary>
///
/// </summary>
/// <param name="shape"></param>
/// <param name="ksize"></param>
/// <param name="anchor"></param>
/// <returns></returns>
public static Mat GetStructuringElement(StructuringElementShape shape, Size ksize, Point anchor)
{
IntPtr matPtr = NativeMethods.imgproc_getStructuringElement((int)shape, ksize, anchor);
return new Mat(matPtr);
}
/// <summary>
///
/// </summary>
/// <param name="shape"></param>
/// <param name="ksize"></param>
/// <returns></returns>
public static Mat GetStructuringElement(StructuringElementShape shape, Size ksize)
{
return GetStructuringElement(shape, ksize, new Point(-1, -1));
}
