public override int HitTest(PointF point, long currentTimestamp, DistortionHelper distorter, IImageToViewportTransformer transformer, bool zooming)
{
// Convention: miss = -1, object = 0, handle = n.
if (!Visible)
{
return(-1);
}
int result = -1;
if (HitTester.HitTest(points["0"], point, transformer))
{
return(1);
}
if (showGrid || showGraduations || showAxis)
{
CoordinateSystemGrid grid = CalibrationHelper.GetCoordinateSystemGrid();
if (grid.HorizontalAxis != null && IsPointOnRectifiedLine(point, grid.HorizontalAxis.Start, grid.HorizontalAxis.End, distorter, transformer))
{
result = 2;
}
else if (grid.VerticalAxis != null && IsPointOnRectifiedLine(point, grid.VerticalAxis.Start, grid.VerticalAxis.End, distorter, transformer))
{
result = 3;
}
}
return(result);
}
public override void Draw(Graphics canvas, DistortionHelper distorter, IImageToViewportTransformer transformer, bool selected, long currentTimestamp)
{
if (!Visible || CalibrationHelper == null)
{
return;
}
if (CalibrationHelper.CalibratorType == CalibratorType.Plane && !CalibrationHelper.CalibrationByPlane_IsValid())
{
return;
}
CoordinateSystemGrid grid = CalibrationHelper.GetCoordinateSystemGrid();
using (Pen penLine = styleHelper.GetBackgroundPen(255))
{
DrawGrid(canvas, distorter, transformer, grid);
}
}
