/*public bool OnTouch(View v, MotionEvent e)
* {
* int cols = mRgba.Cols();
* int rows = mRgba.Rows();
*
* int xOffset = (mOpenCvCameraView.Width - cols) / 2;
* int yOffset = (mOpenCvCameraView.Height - rows) / 2;
*
* int x = (int)e.GetX() - xOffset;
* int y = (int)e.GetY() - yOffset;
*
* Log.Info(TAG, "Touch image coordinates: (" + x + ", " + y + ")");
*
* if ((x < 0) || (y < 0) || (x > cols) || (y > rows)) return false;
*
* Rect touchedRect = new Rect();
*
* touchedRect.X = (x > 4) ? x - 4 : 0;
* touchedRect.Y = (y > 4) ? y - 4 : 0;
*
* touchedRect.Width = (x + 4 < cols) ? x + 4 - touchedRect.X : cols - touchedRect.X;
* touchedRect.Height = (y + 4 < rows) ? y + 4 - touchedRect.Y : rows - touchedRect.Y;
*
* Mat touchedRegionRgba = mRgba.Submat(touchedRect);
*
* Mat touchedRegionHsv = new Mat();
* Imgproc.CvtColor(touchedRegionRgba, touchedRegionHsv, Imgproc.ColorRgb2hsvFull);
*
* // Calculate average color of touched region
* mBlobColorHsv = Core.SumElems(touchedRegionHsv);
* int pointCount = touchedRect.Width * touchedRect.Height;
* for (int i = 0; i < mBlobColorHsv.Val.Count; i++)
* mBlobColorHsv.Val[i] /= pointCount;
*
* mBlobColorRgba = ConvertScalarHsv2Rgba(mBlobColorHsv);
*
* Log.Info(TAG, "Touched rgba color: (" + mBlobColorRgba.Val[0] + ", " + mBlobColorRgba.Val[1] +
* ", " + mBlobColorRgba.Val[2] + ", " + mBlobColorRgba.Val[3] + ")");
*
* mDetector.SetHsvColor(mBlobColorHsv);
* Imgproc.Resize(mDetector.Spectrum, mSpectrum, SPECTRUM_SIZE);
*
* mIsColorSelected = true;
*
* touchedRegionRgba.Release();
* touchedRegionHsv.Release();
*
* return false; // don't need subsequent touch events
* }*/
private void CreateAuxiliaryMats()
{
if (mGray.Empty())
{
return;
}
int rows = mGray.Rows();
int cols = mGray.Cols();
if (mZoomWindow == null)
{
mZoomWindow = mRgba.Submat(rows / 2 + rows / 10, rows, cols / 2 + cols / 10, cols);
mZoomWindow2 = mRgba.Submat(0, rows / 2 - rows / 10, cols / 2 + cols / 10, cols);
}
}
private void match_eye(Rect area, Mat mTemplate, int type)
{
Point matchLoc;
Mat mROI = mGray.Submat(area);
int result_cols = mROI.Cols() - mTemplate.Cols() + 1;
int result_rows = mROI.Rows() - mTemplate.Rows() + 1;
// Check for bad template size
if (mTemplate.Cols() == 0 || mTemplate.Rows() == 0)
{
return;
}
Mat mResult = new Mat(result_cols, result_rows, CvType.Cv8u);
switch (type)
{
case TM_SQDIFF:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmSqdiff);
break;
case TM_SQDIFF_NORMED:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmSqdiffNormed);
break;
case TM_CCOEFF:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmCcoeff);
break;
case TM_CCOEFF_NORMED:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmCcoeffNormed);
break;
case TM_CCORR:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmCcorr);
break;
case TM_CCORR_NORMED:
Imgproc.MatchTemplate(mROI, mTemplate, mResult, Imgproc.TmCcorrNormed);
break;
}
Core.MinMaxLocResult mmres = Core.MinMaxLoc(mResult);
// there is difference in matching methods - best match is max/min value
if (type == TM_SQDIFF || type == TM_SQDIFF_NORMED)
{
matchLoc = mmres.MinLoc;
}
else
{
matchLoc = mmres.MaxLoc;
}
Point matchLoc_tx = new Point(matchLoc.X + area.X, matchLoc.Y + area.Y);
Point matchLoc_ty = new Point(matchLoc.X + mTemplate.Cols() + area.X,
matchLoc.Y + mTemplate.Rows() + area.Y);
Imgproc.Rectangle(mRgba, matchLoc_tx, matchLoc_ty, new Scalar(255, 255, 0, 255));
Rect rec = new Rect(matchLoc_tx, matchLoc_ty);
}