public ComplexLine(Port start,Port end): base(start,end)
{
mSegments = new Segments();
Segment segment = new Segment(Start,End);
Segments.Add(segment);
segment.SegmentInvalid += new EventHandler(segment_SegmentInvalid);
AllowExpand = true;
}
public ComplexLine(ComplexLine prototype): base (prototype)
{
mSegments = new Segments();
Segment segment = new Segment(Start, End);
Segments.Add(segment);
segment.SegmentInvalid += new EventHandler(segment_SegmentInvalid);
//Set up segments
for (int i = 0; i < prototype.Segments.Count-1; i++)
{
segment = AddSegment(i+1,new Origin((PointF) prototype.Points[i+1]));
segment.Start.Marker = prototype.Segments[i+1].Start.Marker;
}
DrawPath();
AllowExpand = prototype.AllowExpand;
}
public SegmentsEventArgs(Segment value)
{
mValue = value;
}
//Renders a graphics marker
protected virtual void RenderSegment(Segment segment,PointF targetPoint,PointF referencePoint,Graphics graphics, IRender render)
{
if (segment.Label == null && segment.Image == null) return;
//Get midpoint of segment
PointF midPoint = new PointF(targetPoint.X + ((referencePoint.X - targetPoint.X) /2),targetPoint.Y + ((referencePoint.Y - targetPoint.Y) /2));
//Save the graphics state
Matrix gstate = graphics.Transform;
//Apply the rotation transform around the centre
graphics.Transform = GetSegmentTransform(midPoint,referencePoint,graphics.Transform);
//Offset and draw image
if (segment.Image != null)
{
graphics.TranslateTransform(0,-segment.Image.Bitmap.Height /2);
segment.Image.Render(graphics,render);
graphics.TranslateTransform(0,segment.Image.Bitmap.Height /2);
}
//Draw annotation
if (segment.Label != null)
{
segment.Label.Render(graphics,render);
}
//Restore the graphics state
graphics.Transform = gstate;
}
//Returns the index of an Segment
public virtual int IndexOf(Segment value)
{
return List.IndexOf(value);
}
//Methods
public virtual Segment AddSegment(int position, Origin origin)
{
//Valid the position
if (position < 1) throw new ArgumentException("Position must be greater than zero.","position");
if (position > Segments.Count) throw new ArgumentException("Position cannot be greater than the total number of segments.","position");
if (origin == null) throw new ArgumentNullException("origin","Origin may not be null.");
//Create new segment
Segment segment = new Segment(origin,Segments[position-1].End);
//Set the previous end to the new origin
Segments[position-1].SetEnd(origin);
Segments.Insert(position,segment);
origin.OriginInvalid +=new EventHandler(Origin_OriginInvalid);
segment.SegmentInvalid += new EventHandler(segment_SegmentInvalid);
origin.SetLine(this);
DrawPath();
OnElementInvalid();
return segment;
}
//Returns true if list contains Segment
public virtual bool Contains(Segment value)
{
return List.Contains(value);
}
//Removes an Segment from the list
protected internal virtual void Remove(Segment value )
{
List.Remove(value);
}
//Inserts an elelemnt into the list
protected internal virtual void Insert(int index, Segment value)
{
if (value == null) throw new ArgumentNullException("Segment parameter cannot be null reference.","value");
List.Insert(index, value);
}
//Adds an Segment to the list
protected internal virtual int Add(Segment value)
{
if (value == null) throw new ArgumentNullException("Segment parameter cannot be null reference.","value");
return List.Add(value);
}
public ExpandHandle(Segment segment)
{
Type = HandleType.Expand;
Segment = segment;
}
