/// <summary>
/// Get the top left point of the screen in CAD coordinates;
/// </summary>
/// <param name="canvasScreenConverter"></param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public static Point GetTopLeftCADPoint(this ICADScreenConverter canvasScreenConverter)
{
if (canvasScreenConverter == null)
{
throw new ArgumentNullException(nameof(canvasScreenConverter));
}
return(canvasScreenConverter.ToCAD(new Point(0, 0)));
}
/// <summary>
/// Get the right bottom point of the screen in CAD coordinates;
/// </summary>
/// <param name="canvasScreenConverter"></param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public static Point GetBottomRightCADPoint(this ICADScreenConverter canvasScreenConverter)
{
if (canvasScreenConverter == null)
{
throw new ArgumentNullException(nameof(canvasScreenConverter));
}
return(canvasScreenConverter.ToCAD(new Point(canvasScreenConverter.ActualWidth, canvasScreenConverter.ActualHeight)));
}
/// <summary> /// Indicates whether the point in inside the object; /// </summary> /// <param name="point">The posion in cad coordinates</param> /// <param name="cadScreenConverter"></param> /// <returns></returns> public virtual bool PointInObject(Point point, ICADScreenConverter cadScreenConverter) => false;
/// <summary> /// Indicated whether the object in inside a rectangle; /// </summary> /// <param name="rect">The selection rectangle</param> /// <param name="anyPoint">To indicate whether the drawobject should be hit when the rect just intersets with the drawobject that is not inside the rect</param> /// <param name="cadScreenConverter"></param> /// <returns></returns> public virtual bool ObjectInRectangle(CADRect rect, ICADScreenConverter cadScreenConverter, bool anyPoint) => false;
/// <summary>
/// Create an instance of WPFCanvas;
/// </summary>
/// <param name="cadScreenConverter">An converter instance</param>
public WPFCanvas(ICADScreenConverter cadScreenConverter)
{
CADScreenConverter = cadScreenConverter ?? throw new ArgumentNullException(nameof(cadScreenConverter));
}
