/// <summary>
/// Adds an object instance to the internal object list.
/// </summary>
/// <param name="obj"><code>DiagramObject</code> instance</param>
public void AddDiagramObject(DiagramObject obj)
{
Log.LogMessageDebug($"Object placed: {obj}");
if (ErrorLogger.AllowLogging)
{
var parameters = obj.GetInternalParameters();
foreach (string key in parameters.Keys)
{
Log.LogMessageDebug($"{key}: {parameters[key]}");
}
}
DiagramObjects.Add(obj);
}
public override void Draw(Diagram diagram)
{
float usedX1 = X1, usedY1 = Y1;
float usedX2 = X2, usedY2 = Y2;
if (AnchorID1 != -1)
{
DiagramObject obj = Program.DForm.CurrentDiagram.GetDiagramObject(AnchorID1);
if (obj != null)
{
if (obj.ObjectID == ObjectTypeID.Atom)
{
usedX1 = ((Atom)obj).X;
usedY1 = ((Atom)obj).Y;
}
}
}
if (AnchorID2 != -1)
{
DiagramObject obj = Program.DForm.CurrentDiagram.GetDiagramObject(AnchorID2);
if (obj != null)
{
if (obj.ObjectID == ObjectTypeID.Atom)
{
usedX2 = ((Atom)obj).X;
usedY2 = ((Atom)obj).Y;
}
}
}
if (AnchorID1 != -1 || AnchorID2 != -1)
{
float off1 = 0, off2 = 0;
if (AnchorID1 != -1)
{
DiagramObject obj = Program.DForm.CurrentDiagram.GetDiagramObject(AnchorID1);
if (obj != null)
{
if (obj.ObjectID == ObjectTypeID.Atom)
{
off1 = ((Atom)obj).FontSize * 0.9f;
}
}
}
if (AnchorID2 != -1)
{
DiagramObject obj = Program.DForm.CurrentDiagram.GetDiagramObject(AnchorID2);
if (obj != null)
{
if (obj.ObjectID == ObjectTypeID.Atom)
{
off2 = ((Atom)obj).FontSize * 0.9f;
}
}
}
double ang1 = Math.Atan2(usedY2 - usedY1, usedX2 - usedX1);
double ang2 = ang1 - Math.PI;
usedX1 += (float)Math.Cos(ang1) * off1;
usedY1 += (float)Math.Sin(ang1) * off1;
usedX2 += (float)Math.Cos(ang2) * off2;
usedY2 += (float)Math.Sin(ang2) * off2;
}
SKPaint paint = new SKPaint
{
Color = Colour,
IsAntialias = true,
StrokeWidth = Thickness,
StrokeCap = SKStrokeCap.Round,
Style = SKPaintStyle.Stroke
};
SKPath path = new SKPath();
double angle = Math.Atan2(usedY2 - usedY1, usedX2 - usedX1);
//if (angle < 0d) angle += Math.PI * 2;
double a1 = angle + (Math.PI / 2);
double a2 = angle - (Math.PI / 2);
float dPointX1 = usedX1 + (float)((Thickness * 2) * Math.Cos(a1));
float dPointY1 = usedY1 + (float)((Thickness * 2) * Math.Sin(a1));
float dPointX2 = usedX2 + (float)((Thickness * 2) * Math.Cos(a1));
float dPointY2 = usedY2 + (float)((Thickness * 2) * Math.Sin(a1));
float dPointX3 = usedX1 + (float)((Thickness * 2) * Math.Cos(a2));
float dPointY3 = usedY1 + (float)((Thickness * 2) * Math.Sin(a2));
float dPointX4 = usedX2 + (float)((Thickness * 2) * Math.Cos(a2));
float dPointY4 = usedY2 + (float)((Thickness * 2) * Math.Sin(a2));
if (TypeOfBond != BondType.Single)
{
Log.LogMessageGeneral($"({usedX1}, {usedY1}) | ({usedX2}, {usedY2}) || ({dPointX1}, {dPointY1}) | ({dPointX2}, {dPointY2}) | ({dPointX3}, {dPointY3}) | ({dPointX4}, {dPointY4})");
}
if (BondSubtype == BondStyle.Wedged || BondSubtype == BondStyle.Dashed)
{
SKPoint[] points = new SKPoint[]
{
new SKPoint()
{
X = usedX1, Y = usedY1
},
new SKPoint()
{
X = dPointX3, Y = dPointY3
},
new SKPoint()
{
X = dPointX4, Y = dPointY4
}
};
switch (BondSubtype)
{
case BondStyle.Wedged:
paint.Style = SKPaintStyle.StrokeAndFill;
break;
case BondStyle.Dashed:
paint.Style = SKPaintStyle.StrokeAndFill;
paint.PathEffect = SKPathEffect.CreateDash(new float[] { Thickness * 3, Thickness * 2 }, 0);
break;
default:
break;
}
diagram.DiagramSurface.Canvas.DrawPoints(SKPointMode.Polygon, points, paint);
}
else
{
switch (TypeOfBond)
{
case BondType.Single:
path.MoveTo(usedX1, usedY1);
path.LineTo(usedX2, usedY2);
break;
case BondType.Double:
path.MoveTo(dPointX1, dPointY1);
path.LineTo(dPointX2, dPointY2);
SKPath path2 = new SKPath();
path2.MoveTo(dPointX3, dPointY3);
path2.LineTo(dPointX4, dPointY4);
diagram.DiagramSurface.Canvas.DrawPath(path2, paint);
break;
case BondType.Triple:
path.MoveTo(usedX1, usedY1);
path.LineTo(usedX2, usedY2);
SKPath p2 = new SKPath(), p3 = new SKPath();
p2.MoveTo(dPointX1, dPointY1);
p2.LineTo(dPointX2, dPointY2);
p3.MoveTo(dPointX3, dPointY3);
p3.LineTo(dPointX4, dPointY4);
diagram.DiagramSurface.Canvas.DrawPath(p2, paint);
diagram.DiagramSurface.Canvas.DrawPath(p3, paint);
break;
case BondType.Aromatic:
SKPaint paintDash = new SKPaint
{
Color = Colour,
IsAntialias = true,
StrokeWidth = Thickness,
StrokeCap = SKStrokeCap.Round,
PathEffect = SKPathEffect.CreateDash(new float[] { Thickness * 3, Thickness * 2 }, 0),
Style = SKPaintStyle.Stroke
};
SKPath pth2 = new SKPath();
pth2.MoveTo(dPointX3, dPointY3);
pth2.LineTo(dPointX4, dPointY4);
diagram.DiagramSurface.Canvas.DrawPath(pth2, paintDash);
path.MoveTo(dPointX1, dPointY1);
path.LineTo(dPointX2, dPointY2);
break;
default:
break;
}
//path.Close();
diagram.DiagramSurface.Canvas.DrawPath(path, paint);
}
paint.Dispose();
}