void ComputeCanvasBoundaries()
{
if (!Commits.Any())
{
CanvasBoundaries = new Tuple <double, double, double, double>(0, 0, 0, 0);
return;
}
double i1, i2, i3, i4;
i1 = i3 = Commits.First().Location.X;
i2 = i4 = Commits.First().Location.Y;
foreach (GraphItemModel m in Commits.Cast <GraphItemModel>().Union(Branches))
{
i1 = Math.Min(i1, m.Location.X);
i2 = Math.Min(i2, m.Location.Y);
i3 = Math.Max(i3, m.Location.X);
i4 = Math.Max(i4, m.Location.Y);
}
CanvasBoundaries = new Tuple <double, double, double, double>(i1, i2, i3, i4);
}