protected override void Resize(ResizeDirection direction, Vector vector)
{
ElementBaseShape element = DesignerItem.Element as ElementBaseShape;
if (element != null)
{
var rect = element.GetRectangle();
var placeholder = new Rect(rect.TopLeft, rect.Size);
if ((direction & ResizeDirection.Top) == ResizeDirection.Top)
{
placeholder.Y += vector.Y;
placeholder.Height -= vector.Y;
}
else if ((direction & ResizeDirection.Bottom) == ResizeDirection.Bottom)
placeholder.Height += vector.Y;
if ((direction & ResizeDirection.Left) == ResizeDirection.Left)
{
placeholder.X += vector.X;
placeholder.Width -= vector.X;
}
else if ((direction & ResizeDirection.Right) == ResizeDirection.Right)
placeholder.Width += vector.X;
double kx = rect.Width == 0 ? 0 : placeholder.Width / rect.Width;
double ky = rect.Height == 0 ? 0 : placeholder.Height / rect.Height;
_points = new PointCollection();
foreach (var point in element.Points)
_points.Add(new Point(placeholder.X + kx * (point.X - rect.X), placeholder.Y + ky * (point.Y - rect.Y)));
element.Points = _points;
DesignerItem.RefreshPainter();
DesignerCanvas.DesignerChanged();
}
}
public static PointCollection Normalize(Point topLeftPoint, PointCollection points, double thickness)
{
double shift = thickness / 2;
var pointCollection = new PointCollection();
foreach (var point in points)
pointCollection.Add(new Point(point.X - topLeftPoint.X + shift, point.Y - topLeftPoint.Y + shift));
return pointCollection;
}
public override void ResetElement()
{
base.ResetElement();
ElementBaseShape element = DesignerItem.Element as ElementBaseShape;
_points = element == null ? new PointCollection() : element.Points;
_transforms = new List<TranslateTransform>();
for (int i = 0; i < _points.Count; i++)
_transforms.Add(new TranslateTransform());
}
public static PointCollection Normalize(Rect rectangle, double thickness)
{
double shift = thickness / 2;
var pointCollection = new PointCollection();
pointCollection.Add(new Point(shift, shift));
pointCollection.Add(new Point(rectangle.Width + shift, shift));
pointCollection.Add(new Point(rectangle.Width + shift, rectangle.Height + shift));
pointCollection.Add(new Point(shift, rectangle.Height + shift));
return pointCollection;
}