public static double GetArea(this IShape shape)
{
var visitor = new AreaVisitor();
shape.Accept(visitor);
return(visitor.Area);
}
public IEnumerable <string> ExportShapes(params object[] shapes)
{
foreach (object shape in shapes)
{
IShape typedShape = (IShape)shape;
yield return(typedShape.Accept(_exporter));
}
}
public void DrawCurrentShape(int x, int y)
{
if (_currentShape != null)
{
_currentShape.Accept(new CenterShapeOnDrawing(x, y));
DrawnShapes.Add(_currentShape);
_g.RefreshView();
_currentShape = null;
CreateMemento();
}
}
private void ReplaceGroupOnDrawing(IShape shape, int x, int y, int xMin, int xMax, int yMin, int yMax)
{
if (shape.GetType() == typeof(GroupShapes))
{
var group = (GroupShapes)shape;
foreach (var child in group.Children)
{
ReplaceGroupOnDrawing(child, x, y, xMin, xMax, yMin, yMax);
}
group.UpdateBounds();
}
else
{
var width = xMax - xMin;
var height = yMax - yMin;
shape.Accept(new ReplaceShape(x + shape.X - xMin - width / 2, y + shape.Y - yMin - height / 2));
}
}
private void Build()
{
var shapeGeometryVisitor = new BuildShapeGeometryVisitor <T>(this, _hints, _colors);
_shape.Accept(shapeGeometryVisitor);
}
public string GetInfo(IShape shape)
=> ConcatInfoString($"Shape type:{shape.GetType().Name}",
$"Square:{shape.Square}",
shape.Accept(AdditionalInfoProvider));
public void ShapeEditMenu(IShape shape)
{
shape.Accept(new EditMenu(_g));
}