private static StylusShape GetStylusShape(DrawingAttributes drawingAttribute)
{
StylusShape stylusShape = (drawingAttribute.StylusTip != 0) ? ((StylusShape) new EllipseStylusShape(drawingAttribute.Width, drawingAttribute.Height)) : ((StylusShape) new RectangleStylusShape(drawingAttribute.Width, drawingAttribute.Height));
stylusShape.Transform = drawingAttribute.StylusTipTransform;
return(stylusShape);
}
internal EllipticalNodeOperations(StylusShape nodeShape)
: base(nodeShape)
{
_radii = new Size(nodeShape.Width * 0.5, nodeShape.Height * 0.5);
_radius = Math.Max(_radii.Width, _radii.Height);
_transform = nodeShape.Transform;
_nodeShapeToCircle = _transform;
_nodeShapeToCircle.Invert();
if (DoubleUtil.AreClose(_radii.Width, _radii.Height))
{
_circleToNodeShape = _transform;
return;
}
if (!DoubleUtil.IsZero(nodeShape.Rotation))
{
_nodeShapeToCircle.Rotate(0.0 - nodeShape.Rotation);
}
double scaleX;
double scaleY;
if (_radii.Width > _radii.Height)
{
scaleX = 1.0;
scaleY = _radii.Width / _radii.Height;
}
else
{
scaleX = _radii.Height / _radii.Width;
scaleY = 1.0;
}
_nodeShapeToCircle.Scale(scaleX, scaleY);
_circleToNodeShape = _nodeShapeToCircle;
_circleToNodeShape.Invert();
}
internal static StrokeNodeOperations CreateInstance(StylusShape nodeShape)
{
if (nodeShape == null)
{
throw new ArgumentNullException("nodeShape");
}
if (nodeShape.IsEllipse)
{
return(new EllipticalNodeOperations(nodeShape));
}
return(new StrokeNodeOperations(nodeShape));
}
internal StrokeNodeOperations(StylusShape nodeShape)
{
_vertices = nodeShape.GetVerticesAsVectors();
}
internal StrokeNodeIterator(StylusShape nodeShape)
: this(null, StrokeNodeOperations.CreateInstance(nodeShape), false)
{
}