/// <summary>
/// Clones the pictures.
/// </summary>
/// <param name="newConfiguration">The new configuration of the pictures.</param>
/// <returns>The cloned pictures.</returns>
internal PicturesOfConfiguration Clone(Configuration newConfiguration)
{
// Clone the pictures
var picturesList = _pictures.Select(picture => picture.Clone()).ToList();
// Create a pictures instance with the cloned pictures
var pictures = new PicturesOfConfiguration(newConfiguration, picturesList);
// Return them
return(pictures);
}
/// <summary>
/// Initializes a new instance of the <see cref="ContextualPicture"/> class. Throws
/// an <see cref="InconsistentPicturesException"/> if it cannot be done.
/// </summary>
/// <param name="pictures">The pictures that hold all the representations of the configuration.</param>
/// <param name="createEmpty">Indicates if we should leave the picture empty without adding any objects or pictures.</param>
private ContextualPicture(PicturesOfConfiguration pictures, bool createEmpty)
{
Pictures = pictures ?? throw new ArgumentNullException(nameof(pictures));
// If we should add objects, do it
if (!createEmpty)
{
// Initialize the dictionary mapping pictures to the object maps
Pictures.ForEach(picture => _objects.Add(picture, new Map <GeometricObject, IAnalyticObject>()));
// Get the objects that will be added
var objects = pictures.Configuration.AllObjects;
// Add them, where the last object is a new one.
objects.ForEach((configurationObject, index) => Add(configurationObject, isNew: index == objects.Count - 1));
}
}
/// <inheritdoc/>
public (PicturesOfConfiguration pictures, ConstructionData data) Construct(Configuration configuration, int numberOfPictures, Func <IAnalyticObject[]> looseObjectConstructor)
{
// Create pictures for the configuration
var pictures = new PicturesOfConfiguration(configuration, numberOfPictures);
// First we add loose objects to all pictures
foreach (var picture in pictures)
{
// Construct the loose object for the picture
var constructedLooseObjects = looseObjectConstructor();
// Add them one by one
configuration.LooseObjects.Zip(constructedLooseObjects).ForEach(pair =>
{
// Safely try to add them
picture.TryAdd(pair.First, pair.Second, out var equalObject);
// If there is an equal object, then we have a weird problem
if (equalObject != default)
{
throw new ConstructorException("Construction of loose objects yielded equal objects! This must be a bug...");
}
});
}
// Then we add all constructed object
foreach (var constructedObject in configuration.ConstructedObjects)
{
// Construct the object using another method
var data = Construct(pictures, constructedObject, addToPictures: true);
// Find out if the result is correct
var correctResult = data.InconstructibleObject == default && data.Duplicates == default;
// If it's not, we directly return the current data without dealing with the remaining objects
if (!correctResult)
{
return(null, data);
}
}
// If we got here, then there are no inconstructible objects and no duplicates
return(pictures, new ConstructionData(default, default));
/// <summary>
/// Clones the contextual picture by cloning the current one and adding only the last object of the configuration
/// represented in the pictures. The last object must already be constructed in the underlying <see cref="Pictures"/>.
/// Throws an <see cref="InconsistentPicturesException"/> if it cannot be done.
/// </summary>
/// <param name="newPictures">The pictures that should be used to construct the contextual picture.</param>
/// <returns>The contextual picture containing this cloned picture.</returns>
public ContextualPicture ConstructByCloning(PicturesOfConfiguration newPictures)
{
// Create an empty picture
var newPicture = new ContextualPicture(newPictures, createEmpty: true);
// We need to have geometric objects cloned
// Thus we prepare a dictionary mapping old to newly created ones
// To get all the geometric objects we take some map from the _objects
var geometricObjectMap = _objects.First().Value.Select(pair => pair.Item1).Select(geometricObject => geometricObject switch
{
// Point
PointObject point => (oldObject: geometricObject, newObject: new PointObject(point.ConfigurationObject) as GeometricObject),
// Point
LineObject line => (oldObject: geometricObject, newObject: new LineObject(line.ConfigurationObject)),
// Circle
CircleObject circle => (oldObject: geometricObject, newObject: new CircleObject(circle.ConfigurationObject)),
// Unhandled cases
_ => throw new ConstructorException($"Unhandled type of {nameof(GeometricObject)}: {geometricObject.GetType()}")
})
/// <summary>
/// Initializes a new instance of the <see cref="ContextualPicture"/> class. Throws
/// an <see cref="InconsistentPicturesException"/> if it cannot be done.
/// </summary>
/// <param name="pictures">The pictures that hold all the representations of the configuration.</param>
public ContextualPicture(PicturesOfConfiguration pictures)
: this(pictures, createEmpty : false)
{
}