public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
Object[] pathShapes = GetShapes().ToArray();
if (pathShapes.Length > 1)
{
Vector v = new Vector(0, 0, 0);
if (SvgConstants.Attributes.MARKER_END.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
// Create vector from the last two shapes
IPathShape lastShape = (IPathShape)pathShapes[pathShapes.Length - 1];
IPathShape secondToLastShape = (IPathShape)pathShapes[pathShapes.Length - 2];
v = new Vector((float)(lastShape.GetEndingPoint().GetX() - secondToLastShape.GetEndingPoint().GetX()), (float
)(lastShape.GetEndingPoint().GetY() - secondToLastShape.GetEndingPoint().GetY()), 0f);
}
else
{
if (SvgConstants.Attributes.MARKER_START.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
// Create vector from the first two shapes
IPathShape firstShape = (IPathShape)pathShapes[0];
IPathShape secondShape = (IPathShape)pathShapes[1];
v = new Vector((float)(secondShape.GetEndingPoint().GetX() - firstShape.GetEndingPoint().GetX()), (float)(
secondShape.GetEndingPoint().GetY() - firstShape.GetEndingPoint().GetY()), 0f);
}
}
// Get angle from this vector and the horizontal axis
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
return(0);
}
public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
if (points.Count > 1)
{
Vector v = new Vector(0, 0, 0);
if (SvgConstants.Attributes.MARKER_END.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
Point lastPoint = points[points.Count - 1];
Point secondToLastPoint = points[points.Count - 2];
v = new Vector((float)(lastPoint.GetX() - secondToLastPoint.GetX()), (float)(lastPoint.GetY() - secondToLastPoint
.GetY()), 0f);
}
else
{
if (SvgConstants.Attributes.MARKER_START.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
Point firstPoint = points[0];
Point secondPoint = points[1];
v = new Vector((float)(secondPoint.GetX() - firstPoint.GetX()), (float)(secondPoint.GetY() - firstPoint.GetY
()), 0f);
}
}
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
return(0);
}
public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
Vector v = new Vector(GetAttribute(this.attributesAndStyles, SvgConstants.Attributes.X2) - GetAttribute(this
.attributesAndStyles, SvgConstants.Attributes.X1), GetAttribute(this.attributesAndStyles, SvgConstants.Attributes
.Y2) - GetAttribute(this.attributesAndStyles, SvgConstants.Attributes.Y1), 0f);
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
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