private void BtnPreviewTemplate_Click(object sender, RoutedEventArgs e)
{
if (parent.currentScreen != null)
{
Mat img = parent.selectedScreen;//CvInvoke.Imread("test_save.jpg", Emgu.CV.CvEnum.LoadImageType.Grayscale);
Mat warp = new Mat(img.Size, Emgu.CV.CvEnum.DepthType.Cv8U, 1);
img.CopyTo(warp);
img = ImageProcessor.ApplyBlur(img, 0, 3);
img = ImageProcessor.CannyEdgeDetection(img, lowThreshold, highThreshold);
img = ImageProcessor.ApplyDilation(img, 3);
img = ImageProcessor.ApplyErosion(img, 3);
LineSegment2D[] lines = ImageProcessor.HoughLines(img, rho, houghThreshold, minLineLength, maxLineGap);
LineSegment2D[] singleLines = Utils.GetSingleLinesFromHoughLines(lines, 20);
if (singleLines != null)
{
Mat mask = ImageProcessor.AddLines(singleLines, Utils.GetRatioOfSelectedArea(Utils.GetPoints(parent.currentScreen.coordinates)));
Mat templateImage = ImageProcessor.ApplyMask(warp, mask);
parent.template.SetTemplateImageAndMask(templateImage.ToImage <Bgr, byte>(), mask.ToImage <Bgr, byte>());
tempImage.Source = Utils.ToBitmapSource(templateImage);
templateMask.Source = Utils.ToBitmapSource(mask);
//lblTemplateName.Visibility = Visibility.Visible;
//txtTemplateName.Visibility = Visibility.Visible;
btnSaveTemplate.Visibility = Visibility.Visible;
}
else
{
MessageBox.Show("Couldn't find any lines with the specified parameters");
InitImages();
}
}
else
{
MessageBox.Show("You didn't select any screen! ", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
