|
public CreateTrackbar ( string name, int value, int count, CvTrackbarCallback onChange ) : |
||
| name | string | Name of created trackbar. |
| value | int | The position of the slider |
| count | int | Maximal position of the slider. Minimal position is always 0. |
| onChange | CvTrackbarCallback | the function to be called every time the slider changes the position. This function should be prototyped as void Foo(int); |
| return | ||
public TrackbarWithLabel CreateTrackbar(string name, int value, int count, CvTrackbarCallback onChange)
{
var t = new TrackbarWithLabel(name, value, count, 0);
t.Dock = DockStyle.Top;
t.Trackbar.ValueChanged += (o, e) =>
{
int pos = ((TrackBar)o).Value;
onChange(pos);
};
SetClientSize(new System.Drawing.Size(ClientSize.Width, ClientSize.Height + t.Height));
_panelTrackbar.Height += t.Height;
_panelTrackbar.Controls.Add(t);
return t;
}
/// <summary>
///
/// </summary>
public SeqPartition()
{
CvMemStorage storage = new CvMemStorage(0);
pointSeq = new CvSeq<CvPoint>(SeqType.EltypeS32C2, CvSeq.SizeOf, storage);
Random rand = new Random();
canvas = new IplImage(Width, Height, BitDepth.U8, 3);
colors = new CvScalar[Count];
for (int i = 0; i < Count; i++)
{
CvPoint pt = new CvPoint
{
X = rand.Next(Width),
Y = rand.Next(Height)
};
pointSeq.Push(pt);
int icolor = rand.Next() | 0x00404040;
colors[i] = Cv.RGB(icolor & 255, (icolor >> 8) & 255, (icolor >> 16) & 255);
}
using (window = new CvWindowEx() { Text = "points" })
{
window.CreateTrackbar("threshold", 10, 50, OnTrack);
OnTrack(10);
CvWindowEx.WaitKey();
}
}
