| public static Polylines ( InputOutputArray img, InputArray pts, bool isClosed, Scalar color, int thickness = 1, LineTypes lineType = LineTypes.Link8, int shift ) : void | ||
| img | InputOutputArray | |
| pts | InputArray | |
| isClosed | bool | |
| color | Scalar | |
| thickness | int | |
| lineType | LineTypes | |
| shift | int | |
| return | void | |
/// <summary>
/// Marks detected objects on the texture
/// </summary>
public void MarkDetected(bool drawSubItems = true)
{
// mark each found eye
foreach (OpenCvSharp.Demo.DetectedFace face in Faces)
{
// face rect
Cv2.Rectangle((InputOutputArray)Image, face.Region, Scalar.FromRgb(255, 0, 0), 2);
// convex hull
//Cv2.Polylines(Image, new IEnumerable<Point>[] { face.Info.ConvexHull }, true, Scalar.FromRgb(255, 0, 0), 2);
// render face triangulation (should we have one)
if (face.Info != null)
{
foreach (OpenCvSharp.Demo.DetectedFace.Triangle tr in face.Info.DelaunayTriangles)
{
Cv2.Polylines(Image, new IEnumerable <Point>[] { tr.ToArray() }, true, Scalar.FromRgb(0, 0, 255),
1);
}
}
// Sub-items
if (drawSubItems)
{
List <string> closedItems = new List <string>(new string[] { "Nose", "Eye", "Lip" });
foreach (OpenCvSharp.Demo.DetectedObject sub in face.Elements)
{
if (sub.Marks != null)
{
Cv2.Polylines(Image, new IEnumerable <Point>[] { sub.Marks }, closedItems.Contains(sub.Name),
Scalar.FromRgb(0, 255, 0), 1);
}
}
}
}
}
