/// <summary>
/// Initialize new instance of <see cref="ToolEllipseSelection"/> class.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
public ToolEllipseSelection(IServiceProvider serviceProvider, ILayerContainer layer, IEllipseShape shape, IShapeStyle style)
{
_serviceProvider = serviceProvider;
_layer = layer;
_ellipse = shape;
_style = style;
}
public EllipseDrawNode(IEllipseShape ellipse, IShapeStyle style)
: base()
{
Style = style;
Ellipse = ellipse;
Text = ellipse;
UpdateGeometry();
}
public static AM.Geometry ToGeometry(IEllipseShape ellipse)
{
var rect2 = Rect2.FromPoints(ellipse.TopLeft.X, ellipse.TopLeft.Y, ellipse.BottomRight.X, ellipse.BottomRight.Y);
var rect = new A.Rect(rect2.X, rect2.Y, rect2.Width, rect2.Height);
var g = new AM.EllipseGeometry(rect);
return(g);
}
/// <summary>
/// Transfer selection state to Point2.
/// </summary>
public void ToStatePoint2()
{
_ellipse = _serviceProvider.GetService <IFactory>().CreateEllipseShape(0, 0, _style);
_p1HelperPoint = _serviceProvider.GetService <IFactory>().CreatePointShape(0, 0);
_p2HelperPoint = _serviceProvider.GetService <IFactory>().CreatePointShape(0, 0);
_centerHelperPoint = _serviceProvider.GetService <IFactory>().CreatePointShape(0, 0);
_layer.Shapes = _layer.Shapes.Add(_ellipse);
_layer.Shapes = _layer.Shapes.Add(_p1HelperPoint);
_layer.Shapes = _layer.Shapes.Add(_p2HelperPoint);
_layer.Shapes = _layer.Shapes.Add(_centerHelperPoint);
}
/// <summary>
/// Reset selection.
/// </summary>
public void Reset()
{
if (_ellipse != null)
{
_layer.Shapes = _layer.Shapes.Remove(_ellipse);
_ellipse = null;
}
if (_startLine != null)
{
_layer.Shapes = _layer.Shapes.Remove(_startLine);
_startLine = null;
}
if (_endLine != null)
{
_layer.Shapes = _layer.Shapes.Remove(_endLine);
_endLine = null;
}
if (_p1HelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
if (_centerHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_centerHelperPoint);
_centerHelperPoint = null;
}
if (_startHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_startHelperPoint);
_startHelperPoint = null;
}
if (_endHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_endHelperPoint);
_endHelperPoint = null;
}
_layer.Invalidate();
}
/// <summary>
/// Transfer selection state to Point4.
/// </summary>
public void ToStatePoint4()
{
if (_ellipse != null)
{
_layer.Shapes = _layer.Shapes.Remove(_ellipse);
_ellipse = null;
}
_endLine = _serviceProvider.GetService <IFactory>().CreateLineShape(0, 0, _style);
_endHelperPoint = _serviceProvider.GetService <IFactory>().CreatePointShape(0, 0);
_layer.Shapes = _layer.Shapes.Add(_endLine);
_layer.Shapes = _layer.Shapes.Add(_endHelperPoint);
}
public static SKPath ToSKPath(this IBaseShape shape, double dx, double dy, Func <double, float> scale)
{
return(shape switch
{
ILineShape lineShape => ToSKPath(lineShape, dx, dy, scale),
IRectangleShape rectangleShape => ToSKPath(rectangleShape, dx, dy, scale),
IEllipseShape ellipseShape => ToSKPath(ellipseShape, dx, dy, scale),
IImageShape imageShape => ToSKPath(imageShape, dx, dy, scale),
IArcShape arcShape => ToSKPath(arcShape, dx, dy, scale),
ICubicBezierShape cubicBezierShape => ToSKPath(cubicBezierShape, dx, dy, scale),
IQuadraticBezierShape quadraticBezierShape => ToSKPath(quadraticBezierShape, dx, dy, scale),
ITextShape textShape => ToSKPath(textShape, dx, dy, scale),
IPathShape pathShape => ToSKPath(pathShape, dx, dy, scale),
IGroupShape groupShape => ToSKPath(groupShape.Shapes, dx, dy, scale),
_ => null,
});
/// <inheritdoc/>
public void Bind(IEllipseShape ellipse, object db, object r)
{
}
public IEllipseDrawNode CreateEllipseDrawNode(IEllipseShape ellipse, IShapeStyle style)
{
return(new EllipseDrawNode(ellipse, style));
}
