/// <summary>
/// Displays the image in the specified window
/// </summary>
/// <param name="winname">Name of the window.</param>
/// <param name="mat">Image to be shown.</param>
public static void ImShow(string winname, Mat mat)
{
if (string.IsNullOrEmpty(winname))
throw new ArgumentNullException("winname");
if (mat == null)
throw new ArgumentNullException("mat");
try
{
CppInvoke.highgui_imshow(winname, mat.CvPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
private static void Main(string[] args)
{
var memory = new List<long>(100);
for (int i = 0; ; i++)
{
Mat mat = CvCpp.ImRead(@"img\shapes.png");
Mat cols = mat.ColRange(10, 100);
Mat rowsCols = new Mat(mat, new Rect(100,100,200,200));
cols.GetHashCode();
rowsCols.GetHashCode();
memory.Add(MyProcess.WorkingSet64);
if (memory.Count >= 100)
{
double average = memory.Average();
Console.WriteLine("{0:F3}MB", average / 1024.0 / 1024.0);
memory.Clear();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="rtype"></param>
/// <param name="alpha"></param>
/// <param name="beta"></param>
public void ConvertTo(Mat m, int rtype, double alpha, double beta)
{
ThrowIfDisposed();
if (m == null)
throw new ArgumentNullException("m");
try
{
CppInvoke.core_Mat_convertTo(ptr, m.CvPtr, rtype, alpha, beta);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="startCol"></param>
/// <param name="endCol"></param>
/// <returns></returns>
public Mat ColRange(int startCol, int endCol)
{
ThrowIfDisposed();
try
{
IntPtr retPtr = CppInvoke.core_Mat_colRange(ptr, startCol, endCol);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
/// Saves an image to a specified file.
/// </summary>
/// <param name="filename"></param>
/// <param name="img"></param>
/// <param name="prms"></param>
/// <returns></returns>
public static bool ImWrite(string filename, Mat img, params ImageEncodingParam[] prms)
{
if (prms != null)
{
List<int> p = new List<int>();
foreach (ImageEncodingParam item in prms)
{
p.Add((int)item.EncodingID);
p.Add(item.Value);
}
return ImWrite(filename, img, p.ToArray());
}
else
{
return ImWrite(filename, img, (int[])null);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
public void PushBack(Mat m)
{
throw new NotImplementedException();
//n_push_back(ptr, m.ptr);
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="rowRange"></param>
public Mat(Mat m, Range rowRange)
{
ptr = CppInvoke.core_Mat_new(m.ptr, rowRange);
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <returns></returns>
public double Dot(Mat m)
{
ThrowIfDisposed();
if (m == null)
throw new ArgumentNullException("m");
try
{
return CppInvoke.core_Mat_dot(ptr, m.CvPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <returns></returns>
public Mat Cross(Mat m)
{
ThrowIfDisposed();
if(m == null)
throw new ArgumentNullException("m");
try
{
IntPtr retPtr = CppInvoke.core_Mat_cross(ptr, m.CvPtr);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public Mat SetTo(Mat value)
{
throw new NotImplementedException();
//Mat retVal = new Mat(n_setTo(ptr, value.ptr));
//return retVal;
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
/// <param name="mask"></param>
/// <returns></returns>
public Mat SetTo(Scalar value, Mat mask)
{
throw new NotImplementedException();
//Mat retVal = new Mat(n_setTo(ptr, value[0], value[1], value[2], value[3], mask.ptr));
//return retVal;
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="roi"></param>
public Mat(Mat m, Rect roi)
{
ptr = CppInvoke.core_Mat_new(m.ptr, roi);
}
/// <summary>
/// Compresses the image and stores it in the memory buffer
/// </summary>
/// <param name="ext">The file extension that defines the output format</param>
/// <param name="img">The image to be written</param>
/// <param name="buf"></param>
/// <param name="prms"></param>
public static void ImEncode(string ext, Mat img, out byte[] buf, params ImageEncodingParam[] prms)
{
if (prms != null)
{
List<int> p = new List<int>();
foreach (ImageEncodingParam item in prms)
{
p.Add((int)item.EncodingID);
p.Add(item.Value);
}
ImEncode(ext, img, out buf, p.ToArray());
}
else
{
ImEncode(ext, img, out buf, (int[])null);
}
}
/// <summary>
/// Compresses the image and stores it in the memory buffer
/// </summary>
/// <param name="ext">The file extension that defines the output format</param>
/// <param name="img">The image to be written</param>
/// <param name="buf"></param>
/// <param name="prms"></param>
public static void ImEncode(string ext, Mat img, out byte[] buf, int[] prms = null)
{
if (string.IsNullOrEmpty(ext))
throw new ArgumentNullException("ext");
if (img == null)
throw new ArgumentNullException("img");
if (prms == null)
prms = new int[0];
try
{
IntPtr bufMatPtr;
CppInvoke.highgui_imencode(ext, img.CvPtr, out bufMatPtr, prms, prms.Length);
{
CvMat bufMat = new CvMat(bufMatPtr, false);
buf = new byte[bufMat.Rows * bufMat.Cols];
Marshal.Copy(bufMat.Data, buf, 0, buf.Length);
}
CvInvoke.cvReleaseMat(ref bufMatPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
/// Reads image from the specified buffer in memory.
/// </summary>
/// <param name="buf">The input array of vector of bytes.</param>
/// <param name="flags">The same flags as in imread</param>
/// <returns></returns>
public static Mat ImDecode(Mat buf, LoadMode flags)
{
if (buf == null)
throw new ArgumentNullException("buf");
try
{
IntPtr matPtr = CppInvoke.highgui_imdecode(buf.CvPtr, flags);
return new Mat(matPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
public void CopyTo(Mat m)
{
CopyTo(m, null);
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="mask"></param>
public void CopyTo(Mat m, Mat mask)
{
ThrowIfDisposed();
if (m == null)
throw new ArgumentNullException("m");
try
{
IntPtr maskPtr = GetCvPtr(mask);
CppInvoke.core_Mat_copyTo(ptr, m.CvPtr, maskPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="d"></param>
/// <returns></returns>
public static Mat Diag(Mat d)
{
return d.Diag();
}
/// <summary>
///
/// </summary>
/// <param name="d"></param>
/// <returns></returns>
public Mat Diag(MatDiagType d)
{
ThrowIfDisposed();
try
{
IntPtr retPtr = CppInvoke.core_Mat_diag(ptr, (int)d);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="dtop"></param>
/// <param name="dbottom"></param>
/// <param name="dleft"></param>
/// <param name="dright"></param>
/// <returns></returns>
public Mat AdjustROI(int dtop, int dbottom, int dleft, int dright)
{
ThrowIfDisposed();
try
{
IntPtr retPtr = CppInvoke.core_Mat_adjustROI(ptr, dtop, dbottom, dleft, dright);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="method"></param>
/// <returns></returns>
public Mat Inv(MatrixDecomposition method)
{
ThrowIfDisposed();
try
{
IntPtr retPtr = CppInvoke.core_Mat_inv(ptr, (int)method);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="type"></param>
public void AssignTo(Mat m, MatrixType type)
{
ThrowIfDisposed();
if(m == null)
throw new ArgumentNullException("m");
try
{
CppInvoke.core_Mat_assignTo(ptr, m.CvPtr, (int)type);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
/// <param name="scale"></param>
/// <returns></returns>
public MatExpr Mul(Mat m, double scale)
{
ThrowIfDisposed();
if (m == null)
throw new ArgumentNullException();
try
{
IntPtr mPtr = m.CvPtr;
IntPtr retPtr = CppInvoke.core_Mat_mul(ptr, mPtr, scale);
MatExpr retVal = new MatExpr(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
public void AssignTo(Mat m)
{
try
{
CppInvoke.core_Mat_assignTo(ptr, m.CvPtr);
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public Mat Clone()
{
ThrowIfDisposed();
try
{
IntPtr retPtr = CppInvoke.core_Mat_clone(ptr);
Mat retVal = new Mat(retPtr);
return retVal;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
/// <summary>
/// Saves an image to a specified file.
/// </summary>
/// <param name="filename"></param>
/// <param name="img"></param>
/// <param name="prms"></param>
/// <returns></returns>
public static bool ImWrite(string filename, Mat img, int[] prms = null)
{
if (string.IsNullOrEmpty(filename))
throw new ArgumentNullException("filename");
if (img == null)
throw new ArgumentNullException("img");
if (prms == null)
prms = new int[0];
try
{
return CppInvoke.highgui_imwrite(filename, img.CvPtr, prms, prms.Length) != 0;
}
catch (BadImageFormatException ex)
{
throw PInvokeHelper.CreateException(ex);
}
}
