public PageComponent()
{
Components = new List <PageComponent>(0);
RecognitionResults = new List <RecognitionResult>(0);
m_Stride = 0;
m_Area = new Rectangle();
Type = ePageComponentType.eUnknownRect;
CompareMatrix = new Byte[32, 32];
StrokeMatrix = new Byte[32, 32];
PixelTypeMatrix = new ePixelType[32, 32];
PixelTypeProjectionEndpoint = new int[3, 3];
PixelTypeProjectionJunction = new int[3, 3];
Position = new ShapePosition();
ID = newID;
newID++;
}
public ShapeListEntry()
{
Shape = "";
SampleFolder = "";
Position = new ShapePosition();
}
/// <summary>
/// This function calculates the distance between the bounding boxes of two components
/// </summary>
/// <param name="ChildFrom"></param>
/// <param name="ChildTo"></param>
/// <returns></returns>
public static int DistanceBetweenComponents(PageComponent From, PageComponent To)
{
int lRetValue;
int xDelta, yDelta;
int xMoved, yMoved;
double Direction;
Point PointFrom, PointTo, Position, Origin;
lRetValue = 0;
Direction = 0;
PointFrom = From.CenterPoint;
PointTo = To.CenterPoint;
Origin = PointFrom;
lRetValue = (int)Distance(From, To) + 1;
if (System.Math.Abs(PointTo.X - PointFrom.X) > System.Math.Abs(PointTo.Y - PointFrom.Y))
{
if (PointTo.X != PointFrom.X)
{ //just to be sure we don't get a division by zero
Direction = (double)(PointTo.Y - PointFrom.Y) / (double)(PointTo.X - PointFrom.X);
}
Position = PointFrom;
if (PointFrom.X > PointTo.X)
{
xDelta = -1;
}
else
{
xDelta = 1;
}
xMoved = 0;
while (From.CoordinateInMe(Position))
{
lRetValue--;
xMoved += xDelta;
Position.X += xDelta;
Position.Y = (Origin.Y + (int)(xMoved * Direction));
}
Position = PointTo;
xMoved = 0;
xDelta = xDelta * -1; //we walk to the different side
while (To.CoordinateInMe(Position))
{
lRetValue--;
xMoved += xDelta;
Position.X += xDelta;
Position.Y = (Origin.Y + (int)(xMoved * Direction));
}
}
else
{
if (PointTo.Y != PointFrom.Y) //just to be sure we don't get a division by zero
{
Direction = (double)(PointTo.X - PointFrom.X) / (double)(PointTo.Y - PointFrom.Y);
}
Position = PointFrom;
yDelta = (PointFrom.Y > PointTo.Y) ? -1 : 1;
yMoved = 0;
while (From.CoordinateInMe(Position))
{
lRetValue--;
yMoved += yDelta;
Position.Y += yDelta;
Position.X = Origin.X + (int)(yMoved * Direction);
}
Position = PointTo;
yMoved = 0;
yDelta = yDelta * -1; //we walk to the different side
while (To.CoordinateInMe(Position))
{
lRetValue--;
yMoved += yDelta;
Position.Y += yDelta;
Position.X = Origin.X + (int)(yMoved * Direction);
}
}
return(lRetValue);
}