/// <summary>
/// Create a new list log message from an actual log message.
/// </summary>
/// <param name="pLogMessage"></param>
public LogMessage(UbiDisplays.Model.Log.LogMessage pLogMessage)
{
Message = pLogMessage.Message;
Source = pLogMessage.Source;
Type = pLogMessage.LogType;
Time = pLogMessage.Time;
}
/// <summary>
/// Find the closest corner on a surface in projector space.
/// </summary>
/// <param name="pPoint">The point relative to the image. This function will transform this point into projector space.</param>
/// <param name="pSelected">The destination for the selected surface, should one be found.</param>
/// <param name="iClosestCorner">The corner index closest to the point on the selected surface, should one be found.</param>
/// <param name="fThreshold">The threshold value for checking if we should disregard the corner entirely.</param>
/// <returns>True if a corner was found, false if not.</returns>
private bool FindClosestSurfaceAndCorner(Point pPoint, out UbiDisplays.Model.Surface pSelected, out int iClosestCorner, double fThreshold = 0.1)
{
// Look through each surface and try to find one with a close corner.
double fSmallest = double.PositiveInfinity;
// Set default values.
pSelected = null;
iClosestCorner = -1;
// Corner vector.
var pProjector = pHomography.Transform((float)pPoint.X, (float)pPoint.Y);
var vProjector = new Vector(pProjector.X, pProjector.Y);
// For each surface.
foreach (var s in Authority.Surfaces)
{
// Look through each corner to see how close it is to this point.
for (int i = 0, n = 4; i < n; ++i)
{
Point tCorner = s.ProjectorSpace[i];
double fDistance = Vector.Subtract(vProjector, new Vector(tCorner.X, tCorner.Y)).Length;
if (fDistance < fSmallest && fDistance < fThreshold)
{
fSmallest = fDistance;
iClosestCorner = i;
pSelected = s;
}
}
}
// Say if we found a corner.
return (iClosestCorner != -1);
}
