public List <RangeAxis2d> GetExtentsAxes()
{
if (m_extents == null)
{
return(null);
}
if (m_extentsAxes == null)
{
RangeAxis2d yLines = new RangeAxis2d(m_basis, 0);
int minX = m_basis.ToGrid(0, m_extents.Min.X);
int maxX = m_basis.ToGrid(0, m_extents.Max.X);
for (int x = minX; x <= maxX; ++x)
{
yLines.Add(x, new Range1d(m_extents.Min.Y, m_extents.Max.Y));
}
RangeAxis2d xLines = new RangeAxis2d(m_basis, 1);
int minY = m_basis.ToGrid(0, m_extents.Min.Y);
int maxY = m_basis.ToGrid(0, m_extents.Max.Y);
for (int y = minY; y <= maxY; ++y)
{
xLines.Add(y, new Range1d(m_extents.Min.X, m_extents.Max.X));
}
m_extentsAxes = new List <RangeAxis2d>();
m_extentsAxes.Add(yLines); // Ordinal 0
m_extentsAxes.Add(xLines); // Ordinal 1
}
return(m_extentsAxes);
}
public static Value FromPoint2d(GridBasis basis, int ordinal, Point2d point, bool snap)
{
if (ordinal == 0)
{
int abscissa = basis.ToGrid(ordinal, point.X);
if (!snap && !point.X.Compare(basis.FromGrid(ordinal, abscissa)))
{
return(null);
}
return(new Value(abscissa, point.Y));
}
if (ordinal == 1)
{
int abscissa = basis.ToGrid(ordinal, point.Y);
if (!snap && !point.Y.Compare(basis.FromGrid(ordinal, abscissa)))
{
return(null);
}
return(new Value(abscissa, point.X));
}
return(null);
}
internal void OutputAxis(ref string text, GridBasis basis, int ordinal, RangeAxis2d axis)
{
string tag = "axis";
OutputHeader(ref text, tag);
IndentIn();
foreach (KeyValuePair <int, List <Range1d> > lineData in axis.Lines)
{
foreach (Range1d range in lineData.Value)
{
int v0 = basis.ToGrid(ordinal, range.Min);
int v1 = basis.ToGrid(ordinal, range.Max);
OutputTextLine(ref text, "seg " + EncodeInt(lineData.Key) + " " + EncodeInt(v0) + " " + EncodeInt(v1));
}
}
IndentOut();
OutputFooter(ref text, tag);
}
