/// <summary>
///
/// </summary>
/// <param name="canvas"></param>
public void CancelCreation(DrCanvas canvas)
{
if (_pointCounter == 2)
{
canvas.RemoveVisualObject(_fantom);
}
}
internal static bool ResolveConstraint(DrCanvas canvas, double newX, double newY, int issuerHash)
{
DcPoint issuerPoint = canvas.PointCollection[issuerHash];
DcPoint subPoint = canvas.PointCollection[issuerPoint.DependedHash];
IVisualObject visualObject = canvas.GetDrawingVisualById(PointHash.GetIdFromHash(subPoint.GetHashCode()))?.VisualObject;
if (visualObject is IPrimitive primitive)
{
return(primitive.SetPoint(newX, newY, subPoint.GetHashCode()));
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="currentPoint"></param>
/// <param name="canvas"></param>
/// <returns></returns>
public void DrawFantom(Point currentPoint, DrCanvas canvas)
{
if (_pointCounter == 2)
{
Point _secondPoint = new Point(currentPoint.X, canvas.Height - currentPoint.Y);
if (_fantom != null)
{
_fantom.X2 = _secondPoint.X;
_fantom.Y2 = _secondPoint.Y;
canvas.Update();
}
else
{
_fantom = new DcLineSegment(_firstPoint.X, _firstPoint.Y, _secondPoint.X, _secondPoint.Y);
canvas.AddToVisualCollection(_fantom);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="currentPoint"></param>
/// <param name="canvas"></param>
/// <returns></returns>
public IPrimitiveCreator Create(Point currentPoint, DrCanvas canvas)
{
if (_pointCounter == 1)
{
_firstPoint = new Point(currentPoint.X, canvas.Height - currentPoint.Y);
_pointCounter++;
return(this);
}
else if (_pointCounter == 2)
{
_fantom.X2 = currentPoint.X;
_fantom.Y2 = canvas.Height - currentPoint.Y;
canvas.Update();
_pointCounter = 1;
_fantom = null;
return(this);
}
return(null);
}
public static void ClassInitialize(TestContext context)
{
_canvas = new DrCanvas(800, 800);
}
/// <summary>
///
/// </summary>
/// <param name="owner"></param>
public DcLineSegmentList(DrCanvas owner)
{
_canvas = owner;
}
