/// <summary>
/// Paints the transition.
/// </summary>
/// <param name="graphics"><see cref="Graphics"/> instance for painting.</param>
public void Paint(Graphics graphics)
{
// paint background
StateView.DrawingTools.SolidBrush.Color = ColorSettings.StateTransition;
graphics.FillRectangle(StateView.DrawingTools.SolidBrush, Bounds);
// paint border
StateView.DrawingTools.Pen.Color = ColorSettings.ForState(StateView.SelectState, StateView.StartingState);
graphics.DrawRectangle(StateView.DrawingTools.Pen, Bounds);
// paint event text
StateView.DrawingTools.SolidBrush.Color = ColorSettings.StateTransitionText;
graphics.DrawString(Transition.Event != null ? Transition.Event.Name : String.Empty, StateView.DrawingTools.Font, StateView.DrawingTools.SolidBrush, textLocation);
// paint transition
if (Transition.StateTo != null)
{
StateView stateToView = StateView.ScreenControl.FindStateViewForState(Transition.StateTo);
if (stateToView != null)
{
PointF startingPoint, afterStartingPoint, afterStartingPointBezier;
PointF endingPoint, beforeEndingPointBezier;
float bezierWidthGap = 80;
float afterStartWidthGap = 40;
// right side of the transition
if ((stateToView.Location.X + stateToView.Bounds.Width / 2f) - (Location.X + Bounds.Width / 2f) >= 0)
{
startingPoint = new PointF(Location.X + Bounds.Width, Location.Y + Bounds.Height / 2f);
afterStartingPoint = new PointF(startingPoint.X + afterStartWidthGap, startingPoint.Y);
afterStartingPointBezier = new PointF(startingPoint.X + bezierWidthGap, startingPoint.Y);
}
// left side of the transition
else
{
startingPoint = new PointF(Location.X, Location.Y + Bounds.Height / 2f);
afterStartingPoint = new PointF(startingPoint.X - afterStartWidthGap, startingPoint.Y);
afterStartingPointBezier = new PointF(startingPoint.X - bezierWidthGap, startingPoint.Y);
}
// left side of the state
if (Math.Abs(stateToView.Location.X - afterStartingPoint.X) < Math.Abs(stateToView.Location.X + stateToView.Bounds.Width - afterStartingPoint.X))
{
endingPoint = new PointF(stateToView.Location.X, stateToView.Location.Y + stateToView.TitleHeight / 2f);
beforeEndingPointBezier = new PointF(endingPoint.X - bezierWidthGap, endingPoint.Y);
}
// right side of the state
else
{
endingPoint = new PointF(stateToView.Location.X + stateToView.Bounds.Width, stateToView.Location.Y + stateToView.TitleHeight / 2f);
beforeEndingPointBezier = new PointF(endingPoint.X + bezierWidthGap, endingPoint.Y);
}
graphics.DrawBezier(StateView.DrawingTools.LinePen, startingPoint, afterStartingPointBezier, beforeEndingPointBezier, endingPoint);
}
}
}
/// <summary>
/// Paints the state.
/// </summary>
/// <param name="graphics"><see cref="Graphics"/> instance for painting.</param>
public void Paint(Graphics graphics)
{
// paint background
DrawingTools.SolidBrush.Color = ColorSettings.ForState(SelectState, StartingState);
graphics.FillRectangle(DrawingTools.SolidBrush, Bounds);
// paint border
DrawingTools.Pen.Color = ColorSettings.ForState(SelectState, StartingState);
graphics.DrawRectangle(DrawingTools.Pen, Bounds);
// paint name text
DrawingTools.SolidBrush.Color = ColorSettings.StateText;
graphics.DrawString(Name, DrawingTools.BoldFont, DrawingTools.SolidBrush, nameLocation);
// paint transitions
for (int i = 0; i < transitions.Count; ++i)
{
transitions[i].Paint(graphics);
}
}
