void IXmlSerializable.ReadXml(XmlReader reader)
{
reader.ReadStartElement("feature");
reader.ReadToFollowing("rects");
reader.ReadToFollowing("_");
var rec = new List <HaarRectangle>();
while (reader.Name == "_")
{
string str = reader.ReadElementContentAsString();
rec.Add(HaarRectangle.Parse(str));
while (reader.Name != "_" && reader.Name != "tilted" &&
reader.NodeType != XmlNodeType.EndElement)
{
reader.Read();
}
}
Rectangles = rec.ToArray();
reader.ReadToFollowing("tilted", reader.BaseURI);
Tilted = reader.ReadElementContentAsInt() == 1;
reader.ReadEndElement();
}
/// <summary>
/// Sets the scale and weight of a Haar-like rectangular feature container.
/// </summary>
///
public void SetScaleAndWeight(float scale, float weight)
{
// manual loop unfolding
if (Rectangles.Length == 2)
{
HaarRectangle a = Rectangles[0];
HaarRectangle b = Rectangles[1];
b.ScaleRectangle(scale);
b.ScaleWeight(weight);
a.ScaleRectangle(scale);
a.ScaledWeight = -(b.Area * b.ScaledWeight) / a.Area;
}
else // rectangles.Length == 3
{
HaarRectangle a = Rectangles[0];
HaarRectangle b = Rectangles[1];
HaarRectangle c = Rectangles[2];
c.ScaleRectangle(scale);
c.ScaleWeight(weight);
b.ScaleRectangle(scale);
b.ScaleWeight(weight);
a.ScaleRectangle(scale);
a.ScaledWeight = -(b.Area * b.ScaledWeight
+ c.Area * c.ScaledWeight) / (a.Area);
}
}
private void writeRectangle(HaarRectangle rectangle)
{
writer.Write("new int[] {{ {0}, {1}, {2}, {3}, {4} }}",
rectangle.X.ToString(NumberFormatInfo.InvariantInfo),
rectangle.Y.ToString(NumberFormatInfo.InvariantInfo),
rectangle.Width.ToString(NumberFormatInfo.InvariantInfo),
rectangle.Height.ToString(NumberFormatInfo.InvariantInfo),
rectangle.Weight.ToString("R", NumberFormatInfo.InvariantInfo));
}
/// <summary>
/// Creates a new object that is a copy of the current instance.
/// </summary>
///
/// <returns>
/// A new object that is a copy of this instance.
/// </returns>
///
public object Clone()
{
HaarRectangle r = new HaarRectangle();
r.Height = Height;
r.ScaledHeight = ScaledHeight;
r.ScaledWeight = ScaledWeight;
r.ScaledWidth = ScaledWidth;
r.ScaledX = ScaledX;
r.ScaledY = ScaledY;
r.Weight = Weight;
r.Width = Width;
r.X = X;
r.Y = Y;
return(r);
}
/// <summary>
/// Creates a new object that is a copy of the current instance.
/// </summary>
///
/// <returns>
/// A new object that is a copy of this instance.
/// </returns>
///
public object Clone()
{
HaarRectangle[] newRectangles = new HaarRectangle[Rectangles.Length];
for (int i = 0; i < newRectangles.Length; i++)
{
HaarRectangle rect = Rectangles[i];
newRectangles[i] = new HaarRectangle(rect.X, rect.Y,
rect.Width, rect.Height, rect.Weight);
}
HaarFeature r = new HaarFeature();
r.Rectangles = newRectangles;
r.Tilted = Tilted;
return(r);
}