/// <summary>
/// Crop out the central region of the screen (convenience function)
/// </summary>
/// <param name="diameter"></param>
/// <returns></returns>
public Mat ScreenCentre(int diameter)
{
Bitmap s = bitmap;
OpenCvSharp.Point centre = new OpenCvSharp.Point(s.Width, s.Height);
Rectangle screenCentre = new Rectangle((int)((s.Width - diameter) * 0.5), (int)((s.Height - diameter) * 0.5), diameter, diameter);
Bitmap image = CompassSensor.Crop(s, screenCentre);
return(BitmapConverter.ToMat(image));
}
public static void MatchCorona()
{
Bitmap screen = new Bitmap("Screenshot_0028.bmp");
Bitmap cropped = CompassSensor.Crop(screen, screen.Width * 1 / 3, screen.Height * 1 / 3, screen.Width * 2 / 3, screen.Height * 2 / 3);
Mat screenwhole = BitmapConverter.ToMat(cropped);
// erase the vivid areas, otherwise the blur subtraction turns yellow near red to green
Mat brightHSV = screenwhole.CvtColor(ColorConversionCodes.BGR2HSV);
Mat darkAreasMask = brightHSV.InRange(InputArray.Create(new int[] { 0, 0, 0 }), InputArray.Create(new int[] { 180, 255, 180 }));
Mat darkAreas = new Mat();
screenwhole.CopyTo(darkAreas, darkAreasMask);
Mat screenblur = darkAreas - darkAreas.Blur(new OpenCvSharp.Size(10, 10));
Window w3 = new Window(screenblur);
//screenblur.SaveImage("sharplines.png");
Mat sourceHSV = screenblur.CvtColor(ColorConversionCodes.BGR2HSV);
/* Paint.Net uses HSV [0..360], [0..100], [0..100].
* OpenCV uses H: 0 - 180, S: 0 - 255, V: 0 - 255
* Paint.NET colors:
* 73 100 18 brightest part of green edge
* 72 98 9 very dark green
* suggested range [70..180], [80..100], [8..100] (paint.net)
* suggested range [35..90], [204..255], [20..255] (openCV)
* */
Mat mask = sourceHSV.InRange(InputArray.Create(new int[] { 35, 204, 20 }), InputArray.Create(new int[] { 90, 255, 255 }));
Mat sourceHSVFiltered = new Mat();
sourceHSV.CopyTo(sourceHSVFiltered, mask);
Window w5 = new Window("yellowfilter", sourceHSVFiltered.CvtColor(ColorConversionCodes.HSV2BGR));
Mat sourceGrey = sourceHSVFiltered.Split()[2].InRange(32, 256); // Value channel is pretty good as a greyscale conversion
Window w6 = new Window("yellowFilterValue", sourceGrey);
LineSegmentPoint[] result = sourceGrey.HoughLinesP(1, 3.1415 / 180, 5, 10, 2);
List <Point2d> points = new List <Point2d>();
foreach (var line in result)
{
points.Add(line.P1);
points.Add(line.P2);
darkAreas.Line(line.P1, line.P2, new Scalar(255, 0, 255));
}
CircleSegment c = CruiseSensor.ComputeCircle(points);
darkAreas.Circle(c.Center, (int)c.Radius, new Scalar(255, 255, 0));
Window w9 = new Window("final", darkAreas);
}
public bool MatchSafDisengag()
{
// MatchTemplate doesn't allow for scaling / rotation. Allow more leeway by reducing resolution?
Bitmap image = CompassSensor.Crop(screen.bitmap, new Rectangle(800, 650, 300, 200));
Mat source = BitmapConverter.ToMat(image);
Mat blues = source.Split()[0];
Mat clean = blues.EmptyClone();
clean.SetTo(0); // make sure the matrix is blank.
blues.CopyTo(clean, blues.InRange(250, 255));
Mat matches = clean.MatchTemplate(templatesaf, TemplateMatchModes.CCoeffNormed);
double minVal, maxVal;
matches.MinMaxLoc(out minVal, out maxVal);
return(maxVal > 0.4); // see experiments, MatchSafDisengag2
}
public static void MatchSafDisengag2()
{
Bitmap screen = new Bitmap("Screenshot_0022.bmp");
Bitmap image = CompassSensor.Crop(screen, new Rectangle(800, 700, 350, 150));
Mat source = BitmapConverter.ToMat(image);
Mat blues = source.Split()[0];
Mat clean = blues.EmptyClone();
clean.SetTo(0); // make sure the matrix is blank.
blues.CopyTo(clean, blues.InRange(250, 255));
Mat matches = clean.MatchTemplate(new Mat("res3/safdisengag250.png", ImreadModes.GrayScale), TemplateMatchModes.CCoeffNormed);
clean.ImWrite("safdisengag250.png");
double minVal, maxVal;
matches.MinMaxLoc(out minVal, out maxVal);
Window w2 = new Window(clean);
Window w3 = new Window(matches);
Window w5 = new Window(matches.InRange(0.4, 1));
}
/// <summary>
/// See if the IMPACT warning is being displayed
/// </summary>
public bool MatchImpact()
{
Bitmap cropped = CompassSensor.Crop(screen.bitmap, screen.bitmap.Width - 400, 0, screen.bitmap.Width - 100, 300);
Mat screenarea = BitmapConverter.ToMat(cropped);
Mat red = IsolateRed(screenarea);
Mat template = new Mat("res3/impacttemplate.png", ImreadModes.GrayScale);
Mat result = new Mat(red.Size(), red.Type());
Cv2.MatchTemplate(red, template, result, TemplateMatchModes.CCoeffNormed);
double minVal, maxVal;
OpenCvSharp.Point minLoc, maxLoc;
result.MinMaxLoc(out minVal, out maxVal, out minLoc, out maxLoc);
if (maxVal > 0.4)
{
debugWindow.Image = CompassSensor.Crop(BitmapConverter.ToBitmap(red), maxLoc.X, maxLoc.Y, maxLoc.X + template.Width, maxLoc.Y + template.Height);
return(true);
}
return(false);
}
