private void CalcDescendants(DescPersonSegment segment, float inRad, float startAngle, float stepAngle)
{
IGfxPath path = segment.Path;
float extRad;
if (segment.Gen == 0)
{
segment.StartAngle = startAngle;
segment.WedgeAngle = 360.0f;
segment.IntRad = 0;
segment.ExtRad = inRad;
path.StartFigure();
path.AddEllipse(-inRad, -inRad, inRad * 2.0f, inRad * 2.0f);
path.CloseFigure();
extRad = inRad;
}
else
{
extRad = inRad + fGenWidth;
int size = Math.Max(1, segment.TotalSubSegments);
float wedgeAngle = stepAngle * size;
// in Eto.Drawings 360 degrees for the segments
// leads to a crash of drawing
if (wedgeAngle == 360.0f)
{
wedgeAngle -= 0.1f;
}
segment.StartAngle = startAngle;
segment.WedgeAngle = wedgeAngle;
segment.Rad = inRad + 50;
segment.IntRad = inRad;
segment.ExtRad = extRad;
fRenderer.CreateCircleSegment(path, inRad, extRad, wedgeAngle, startAngle, startAngle + wedgeAngle);
}
for (int i = 0; i < segment.ChildSegments.Count; i++)
{
DescPersonSegment childSegment = segment.ChildSegments[i];
CalcDescendants(childSegment, extRad, startAngle, stepAngle);
int steps = Math.Max(1, childSegment.TotalSubSegments);
startAngle += stepAngle * steps;
}
}
private DescPersonSegment TraverseDescendants(GEDCOMIndividualRecord iRec, int gen)
{
if (iRec == null)
{
return(null);
}
try
{
fIndividualsCount++;
DescPersonSegment resultSegment = new DescPersonSegment(gen);
resultSegment.IRec = iRec;
fSegments.Add(resultSegment);
if (gen < fVisibleGenerations)
{
int numberOfFamilyLinks = iRec.SpouseToFamilyLinks.Count;
for (int j = 0; j < numberOfFamilyLinks; j++)
{
GEDCOMFamilyRecord family = iRec.SpouseToFamilyLinks[j].Family;
if (!fBase.Context.IsRecordAccess(family.Restriction))
{
continue;
}
fBase.Context.ProcessFamily(family);
int numberOfChildren = family.Children.Count;
for (int i = 0; i < numberOfChildren; i++)
{
GEDCOMIndividualRecord child = family.Children[i].Value as GEDCOMIndividualRecord;
DescPersonSegment childSegment = TraverseDescendants(child, gen + 1);
int size = Math.Max(1, childSegment.TotalSubSegments);
resultSegment.TotalSubSegments += size;
resultSegment.ChildSegments.Add(childSegment);
}
}
}
return(resultSegment);
}
catch
{
return(null);
}
}
public void DrawDescendants()
{
int numberOfSegments = fSegments.Count;
for (int i = 0; i < numberOfSegments; i++)
{
DescPersonSegment segment = (DescPersonSegment)fSegments[i];
if (segment.IRec == null)
{
continue;
}
int brIndex = (segment.Gen == 0) ? CircleChartModel.CENTRAL_INDEX : segment.Gen - 1;
IBrush brush = (fSelected == segment) ? fDarkBrushes[brIndex] : fCircleBrushes[brIndex];
DrawSegment(segment, fPen, brush);
}
}
public void DrawDescendants()
{
int numberOfSegments = fSegments.Count;
for (int i = 0; i < numberOfSegments; i++)
{
DescPersonSegment segment = (DescPersonSegment)fSegments[i];
if (segment.IRec == null)
{
continue;
}
int brIndex = (segment.Gen == 0) ? CircleChartModel.CENTRAL_INDEX : segment.Gen - 1;
IBrush brush = (fSelected == segment) ? fDarkBrushes[brIndex] : fCircleBrushes[brIndex];
IGfxPath path = segment.Path;
fRenderer.FillPath(brush, path);
fRenderer.DrawPath(fPen, path);
DrawPersonName(fSegments[i]);
}
}
public void BuildDescTree()
{
fSegments.Clear();
fIndividualsCount = 0;
if (fRootPerson == null)
{
return;
}
// traverse tree
DescPersonSegment rootSegment = TraverseDescendants(fRootPerson, 0);
if (rootSegment == null)
{
return;
}
const float inRad = CircleChartModel.CENTER_RAD - 50;
float stepAngle = (360.0f / rootSegment.TotalSubSegments);
CalcDescendants(rootSegment, inRad, -90.0f, stepAngle);
}
private void CalcDescendants(DescPersonSegment segment, float inRad, float startAngle, float stepAngle)
{
float extRad;
if (segment.Gen == 0)
{
DefineSegment(segment, 0, 0, inRad, startAngle, 360.0f);
extRad = inRad;
}
else
{
extRad = inRad + fGenWidth;
int size = Math.Max(1, segment.TotalSubSegments);
float wedgeAngle = stepAngle * size;
// in Eto.Drawings 360 degrees for the segments
// leads to a crash of drawing
if (wedgeAngle == 360.0f)
{
wedgeAngle -= 0.1f;
}
DefineSegment(segment, inRad + 50, inRad, extRad, startAngle, wedgeAngle);
}
for (int i = 0; i < segment.ChildSegments.Count; i++)
{
DescPersonSegment childSegment = segment.ChildSegments[i];
CalcDescendants(childSegment, extRad, startAngle, stepAngle);
int steps = Math.Max(1, childSegment.TotalSubSegments);
startAngle += stepAngle * steps;
}
}