/// <summary>
/// Takes a point in image coordinates to act as the origin of the current coordinate system.
/// </summary>
public void SetOrigin(PointF p)
{
PointF u = distortionHelper.Undistort(p);
calibrator.SetOrigin(u);
AfterCalibrationChanged();
}
public override void Draw(Graphics canvas, DistortionHelper distorter, IImageToViewportTransformer transformer, bool selected, long currentTimestamp)
{
double opacityFactor = infosFading.GetOpacityTrackable(trackingTimestamps, currentTimestamp);
if (opacityFactor <= 0)
{
return;
}
QuadrilateralF quad = transformer.Transform(quadImage);
bool drawEdgesOnly = !planeIsConvex || (!styleHelper.Perspective && !quadImage.IsAxisAlignedRectangle);
using (penEdges = styleHelper.GetPen(opacityFactor, 1.0))
using (SolidBrush br = styleHelper.GetBrush(opacityFactor))
{
foreach (PointF p in quad)
{
canvas.FillEllipse(br, p.Box(4));
}
if (!drawEdgesOnly)
{
if (distorter != null && distorter.Initialized)
{
QuadrilateralF undistortedQuadImage = distorter.Undistort(quadImage);
projectiveMapping.Update(quadPlane, undistortedQuadImage);
}
else
{
projectiveMapping.Update(quadPlane, quadImage);
}
DrawGrid(canvas, penEdges, projectiveMapping, distorter, transformer);
}
else
{
// Non convex quadrilateral or non rectangle 2d grid: only draw the edges.
canvas.DrawLine(penEdges, quad.A, quad.B);
canvas.DrawLine(penEdges, quad.B, quad.C);
canvas.DrawLine(penEdges, quad.C, quad.D);
canvas.DrawLine(penEdges, quad.D, quad.A);
}
}
}
public override void Draw(Graphics canvas, DistortionHelper distorter, IImageToViewportTransformer transformer, bool selected, long currentTimestamp)
{
double opacityFactor = infosFading.GetOpacityFactor(currentTimestamp);
if (opacityFactor <= 0)
{
return;
}
QuadrilateralF quad = transformer.Transform(quadImage);
using (penEdges = styleHelper.GetPen(opacityFactor, 1.0))
using (SolidBrush br = styleHelper.GetBrush(opacityFactor))
{
foreach (PointF p in quad)
{
canvas.FillEllipse(br, p.Box(4));
}
if (planeIsConvex)
{
if (distorter != null && distorter.Initialized)
{
QuadrilateralF undistortedQuadImage = distorter.Undistort(quadImage);
projectiveMapping.Update(quadPlane, undistortedQuadImage);
}
else
{
projectiveMapping.Update(quadPlane, quadImage);
}
//DrawDiagonals(canvas, penEdges, quadPlane, projectiveMapping, distorter, transformer);
DrawGrid(canvas, penEdges, projectiveMapping, distorter, transformer);
}
else
{
// Non convex quadrilateral: only draw the edges.
canvas.DrawLine(penEdges, quad.A, quad.B);
canvas.DrawLine(penEdges, quad.B, quad.C);
canvas.DrawLine(penEdges, quad.C, quad.D);
canvas.DrawLine(penEdges, quad.D, quad.A);
}
}
}
