private void DrawDistanceText(PointF a, PointF b, string label, Graphics canvas, double opacity, IImageToViewportTransformer transformer, SolidBrush brushFill)
{
PointF middle = GeometryHelper.GetMiddlePoint(a, b);
PointF offset = new PointF(0, 15);
DrawTextOnBackground(middle, offset, label, canvas, opacity, transformer, brushFill);
}
private void ResetAttachPoint()
{
if (trackExtraData == TrackExtraData.Name ||
trackExtraData == TrackExtraData.Center ||
trackExtraData == TrackExtraData.Diameter)
{
miniLabel.SetAttach(center, true);
}
else if (trackExtraData == TrackExtraData.Radius)
{
miniLabel.SetAttach(GeometryHelper.GetMiddlePoint(center, radiusRightInImage), true);
}
else if (trackExtraData == TrackExtraData.Circumference)
{
miniLabel.SetAttach(radiusRightInImage, true);
}
}
private void DrawIndicator(Graphics canvas, string label, PointF a, PointF b)
{
PointF middle = GeometryHelper.GetMiddlePoint(a, b);
Font tempFont = new Font("Arial", 9, FontStyle.Regular);
SizeF labelSize = canvas.MeasureString(label, tempFont);
PointF textOrigin = new PointF(middle.X - labelSize.Width / 2, middle.Y - labelSize.Height / 2);
SolidBrush brushBack = new SolidBrush(pnlQuadrilateral.BackColor);
canvas.FillRectangle(brushBack, textOrigin.X, textOrigin.Y, labelSize.Width, labelSize.Height);
SolidBrush brushFont = new SolidBrush(pnlQuadrilateral.ForeColor);
canvas.DrawString(label, tempFont, brushFont, textOrigin);
tempFont.Dispose();
brushBack.Dispose();
brushFont.Dispose();
}
private static void SegmentCenter(GenericPosture posture, CalibrationHelper calibrationHelper, GenericPostureImpactSegmentCenter impact)
{
// The point is moved so that it stays at the center of the specified segment.
// This should take perspective into account.
if (impact == null)
{
return;
}
PointF p1 = posture.PointList[impact.Point1];
PointF p2 = posture.PointList[impact.Point2];
PointF p1Plane = calibrationHelper.GetPoint(p1);
PointF p2Plane = calibrationHelper.GetPoint(p2);
PointF resultPlane = GeometryHelper.GetMiddlePoint(p1Plane, p2Plane);
PointF result = calibrationHelper.GetImagePoint(resultPlane);
posture.PointList[impact.PointToMove] = result;
}
private void DrawDebug(double opacity, Graphics canvas, IImageToViewportTransformer transformer, List <Point> points)
{
// Note: some of the labels are drawn during the normal method with an extra test there.
PointF offset = new PointF(10, 10);
// Points id.
for (int i = 0; i < genericPosture.PointList.Count; i++)
{
string label = string.Format("P{0}", i);
PointF p = points[i];
DrawDebugText(p, offset, label, canvas, opacity, transformer);
}
// Segments id and name.
for (int i = 0; i < genericPosture.Segments.Count; i++)
{
GenericPostureSegment segment = genericPosture.Segments[i];
if (segment.Start < 0 || segment.End < 0)
{
continue;
}
PointF start = points[segment.Start];
PointF end = points[segment.End];
PointF middle = GeometryHelper.GetMiddlePoint(start, end);
string label = "";
if (!string.IsNullOrEmpty(segment.Name))
{
label = string.Format("S{0} [P{1}, P{2}]: {3}", i, segment.Start, segment.End, segment.Name);
}
else
{
label = string.Format("S{0} [P{1}, P{2}]", i, segment.Start, segment.End);
}
DrawDebugText(middle, offset, label, canvas, opacity, transformer);
}
}
private PointF GetMiddlePoint()
{
// Used only to attach the measure.
return(GeometryHelper.GetMiddlePoint(points["a"], points["b"]));
}