/// <summary>
/// 参照カウンタのポインタが null ではない場合に CvMat あるいは CvMatND のデータの参照カウンタをデクリメントし，さらにカウンタが 0 になった場合にはデータを解放する．
/// </summary>
/// <param name="arr">配列ヘッダ</param>
#else
/// <summary>
/// Decrements array data reference counter．
/// </summary>
/// <param name="arr">Input array. </param>
#endif
public static void DecRefData(CvArr arr)
{
if (arr == null)
{
throw new ArgumentNullException(nameof(arr));
}
unsafe
{
if (arr is CvMat)
{
CvMat mat = (CvMat)arr;
mat.Data = IntPtr.Zero;
if (mat.RefCount != IntPtr.Zero && --*(int *)mat.RefCount == 0)
{
NativeMethods.cvFree_(mat.RefCount);
}
mat.RefCount = IntPtr.Zero;
}
else if (arr is CvMatND)
{
CvMatND mat = (CvMatND)arr;
mat.Data = IntPtr.Zero;
if (mat.RefCount != IntPtr.Zero && --*(int *)mat.RefCount == 0)
{
NativeMethods.cvFree_(mat.RefCount);
}
mat.RefCount = IntPtr.Zero;
}
}
KeepAlive(arr);
}
/// <summary>
/// 行列とスカラーのxor演算子。cvXorSにより求める。
/// </summary>
/// <param name="a">行列</param>
/// <param name="b">スカラー</param>
/// <returns></returns>
#else
/// <summary>
/// Bitwise XOR operator (cvXorS)
/// </summary>
/// <param name="a">matrix</param>
/// <param name="b">scalar</param>
/// <returns></returns>
#endif
public static CvMatND operator ^(CvMatND a, CvScalar b)
{
if (a == null)
{
throw new ArgumentNullException("a");
}
CvMatND result = a.Clone();
Cv.XorS(a, b, result);
return(result);
}
/// <summary>
/// 行列とスカラーの乗算演算子。aの要素ごとにbをかけた結果をcvAddWeightedにより求める。
/// </summary>
/// <param name="a">行列</param>
/// <param name="b">スカラー</param>
/// <returns></returns>
#else
/// <summary>
/// Multiplicative operator (cvAddWeighted)
/// </summary>
/// <param name="a">matrix</param>
/// <param name="b">scalar</param>
/// <returns></returns>
#endif
public static CvMatND operator *(CvMatND a, Double b)
{
if (a == null)
{
throw new ArgumentNullException("a");
}
CvMatND result = a.Clone();
Cv.AddWeighted(a, b, a, 0, 0, result);
return(result);
}
/// <summary>
/// 行列の単項not演算子
/// </summary>
/// <param name="a">行列</param>
/// <returns></returns>
#else
/// <summary>
/// Logical nagation operator
/// </summary>
/// <param name="a">matrix</param>
/// <returns></returns>
#endif
public static CvMatND operator ~(CvMatND a)
{
if (a == null)
{
throw new ArgumentNullException("a");
}
CvMatND result = a.Clone();
Cv.Not(a, result);
return(result);
}
/// <summary>
/// 指定した2つの行列のデータタイプが等しければtrueを返す
/// </summary>
/// <param name="mat1">1つ目の入力行列</param>
/// <param name="mat2">2つ目の入力行列</param>
/// <returns></returns>
#else
/// <summary>
///
/// </summary>
/// <param name="mat1"></param>
/// <param name="mat2"></param>
/// <returns></returns>
#endif
public static bool ARE_TYPES_EQ(CvMatND mat1, CvMatND mat2)
{
if (mat1 == null)
{
throw new ArgumentNullException("mat1");
}
if (mat2 == null)
{
throw new ArgumentNullException("mat2");
}
return(((mat1.Type ^ mat2.Type) & CvConst.CV_MAT_TYPE_MASK) == 0);
}
/// <summary>
/// 行列と行列のor演算子。cvOrにより求める。
/// </summary>
/// <param name="a">行列</param>
/// <param name="b">行列</param>
/// <returns></returns>
#else
/// <summary>
/// Bitwise OR operator (cvOr)
/// </summary>
/// <param name="a">matrix</param>
/// <param name="b">matrix</param>
/// <returns></returns>
#endif
public static CvMatND operator |(CvMatND a, CvMatND b)
{
if (a == null)
{
throw new ArgumentNullException("a");
}
if (b == null)
{
throw new ArgumentNullException("b");
}
CvMatND result = a.Clone();
Cv.Or(a, b, result);
return(result);
}
/// <summary>
/// 行列とスカラーの除算演算子。aの要素ごとにbで割った結果をcvAddWeightedにより求める。
/// </summary>
/// <param name="a">行列</param>
/// <param name="b">スカラー</param>
/// <returns></returns>
#else
/// <summary>
/// Division operator (cvAddWeighted)
/// </summary>
/// <param name="a">matrix</param>
/// <param name="b">scalar</param>
/// <returns></returns>
#endif
public static CvMatND operator /(CvMatND a, double b)
{
if (a == null)
{
throw new ArgumentNullException("a");
}
if (b == 0)
{
throw new DivideByZeroException();
}
CvMatND result = a.Clone();
Cv.AddWeighted(a, 1.0 / b, a, 0, 0, result);
return(result);
}
