private void ShrinkBondLinesPass1(Progress pb)
{
// so that they do not overlap label characters
if (_convexHulls.Count > 1)
{
pb.Show();
}
pb.Message = "Clipping Bond Lines - Pass 1";
pb.Value = 0;
pb.Maximum = _convexHulls.Count;
foreach (var hull in _convexHulls)
{
pb.Increment(1);
// select lines which start or end with this atom
var targeted = from l in _bondLines
where (l.StartAtomId == hull.Key | l.EndAtomId == hull.Key)
select l;
foreach (BondLine bl in targeted.ToList())
{
Point start = new Point(bl.Start.X, bl.Start.Y);
Point end = new Point(bl.End.X, bl.End.Y);
bool outside;
var r = GeometryTool.ClipLineWithPolygon(start, end, hull.Value, out outside);
switch (r.Length)
{
case 3:
if (outside)
{
bl.Start = new Point(r[0].X, r[0].Y);
bl.End = new Point(r[1].X, r[1].Y);
}
else
{
bl.Start = new Point(r[1].X, r[1].Y);
bl.End = new Point(r[2].X, r[2].Y);
}
break;
case 2:
if (!outside)
{
// This line is totally inside so remove it!
_bondLines.Remove(bl);
}
break;
}
}
}
}
private void DrawHatchBond(Wpg.WordprocessingGroup wordprocessingGroup, List <Point> points, string colour = "000000")
{
// To Store diagnostic lines
List <BondLine> diagnostics = new List <BondLine>();
Point wedgeStart = points[0];
Point wedgeEndMiddle = points[2];
// Draw a small circle for the starting point
var xx = 0.5;
Rect bb = new Rect(new Point(points[0].X - xx, points[0].Y - xx), new Point(points[0].X + xx, points[0].Y + xx));
DrawShape(wordprocessingGroup, bb, A.ShapeTypeValues.Ellipse, colour);
// Vector pointing from wedgeStart to wedgeEndMiddle
Vector direction = wedgeEndMiddle - wedgeStart;
Matrix rightAngles = new Matrix();
rightAngles.Rotate(90);
Vector perpendicular = direction * rightAngles;
Vector step = direction;
step.Normalize();
step *= 15 * OoXmlHelper.MULTIPLE_BOND_OFFSET_PERCENTAGE;
int steps = (int)Math.Ceiling(direction.Length / step.Length);
double stepLength = direction.Length / steps;
step.Normalize();
step *= stepLength;
Point p0 = wedgeStart + step;
Point p1 = p0 + perpendicular;
Point p2 = p0 - perpendicular;
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, p1, p2));
bool outside;
var r = GeometryTool.ClipLineWithPolygon(p1, p2, points, out outside);
while (r.Length > 2)
{
if (r.Length == 4)
{
DrawBondLine(wordprocessingGroup, new BondLine(BondLineStyle.Solid, r[1], r[2]));
}
if (r.Length == 6)
{
DrawBondLine(wordprocessingGroup, new BondLine(BondLineStyle.Solid, r[1], r[2]));
DrawBondLine(wordprocessingGroup, new BondLine(BondLineStyle.Solid, r[3], r[4]));
}
p0 = p0 + step;
p1 = p0 + perpendicular;
p2 = p0 - perpendicular;
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, p1, p2));
r = GeometryTool.ClipLineWithPolygon(p1, p2, points, out outside);
}
// Draw Tail Lines
DrawBondLine(wordprocessingGroup, new BondLine(BondLineStyle.Solid, wedgeEndMiddle, points[1]));
DrawBondLine(wordprocessingGroup, new BondLine(BondLineStyle.Solid, wedgeEndMiddle, points[3]));
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, points[0], points[1]));
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, points[0], points[3]));
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, points[2], points[1]));
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, points[2], points[3]));
//diagnostics.Add(new BondLine(BondLineStyle.Dotted, points[0], points[2]));
foreach (var line in diagnostics)
{
DrawBondLine(wordprocessingGroup, line, "ff0000");
}
}