Rect2d

Objective-C

@interface Rect2d : NSObject

Swift

class Rect2d : NSObject

Represents a rectange the coordinate and dimension values of which are of type double

Properties

  • x

    Declaration

    Objective-C

    @property double x

    Swift

    var x: Double { get set }
  • y

    Declaration

    Objective-C

    @property double y

    Swift

    var y: Double { get set }

  • Declaration

    Objective-C

    @property double width

    Swift

    var width: Double { get set }

  • Declaration

    Objective-C

    @property double height

    Swift

    var height: Double { get set }

Constructors

  • Declaration

    Objective-C

    - (instancetype)init;

    Swift

    init()

  • Declaration

    Objective-C

    - (instancetype)initWithX:(double)x y:(double)y width:(double)width height:(double)height;

    Swift

    init(x: Double, y: Double, width: Double, height: Double)

  • Declaration

    Objective-C

    - (instancetype)initWithPoint:(Point2d*)point1 point:(Point2d*)point2;

    Swift

    init(point point1: Point2d, point point2: Point2d)

  • Declaration

    Objective-C

    - (instancetype)initWithPoint:(Point2d*)point size:(Size2d*)size;

    Swift

    init(point: Point2d, size: Size2d)

  • Declaration

    Objective-C

    - (instancetype)initWithVals:(NSArray<NSNumber*>*)vals;

    Swift

    init(vals: [NSNumber])

Methods

  • -tl

    Returns the top left coordinate of the rectangle

    Declaration

    Objective-C

    - (nonnull Point2d *)tl;

    Swift

    func tl() -> Point2d
  • -br

    Returns the bottom right coordinate of the rectangle

    Declaration

    Objective-C

    - (nonnull Point2d *)br;

    Swift

    func br() -> Point2d

  • Returns the size of the rectangle

    Declaration

    Objective-C

    - (nonnull Size2d *)size;

    Swift

    func size() -> Size2d

  • Returns the area of the rectangle

    Declaration

    Objective-C

    - (double)area;

    Swift

    func area() -> Double

  • Determines if the rectangle is empty

    Declaration

    Objective-C

    - (BOOL)empty;

    Swift

    func empty() -> Bool

  • Determines if the rectangle contains a given point

    Declaration

    Objective-C

    - (BOOL)contains:(nonnull Point2d *)point;

    Swift

    func contains(_ point: Point2d) -> Bool

    Parameters

    point

    The point

  • Set the rectangle coordinates and dimensions from the values of an array

    Declaration

    Objective-C

    - (void)set:(nonnull NSArray<NSNumber *> *)vals;

    Swift

    func set(vals: [NSNumber])

    Parameters

    vals

    The array of values from which to set the rectangle coordinates and dimensions

Common Methods

  • Clone object

    Declaration

    Objective-C

    - (nonnull Rect2d *)clone;

    Swift

    func clone() -> Rect2d

  • Compare for equality

    Declaration

    Objective-C

    - (BOOL)isEqual:(nullable id)object;

    Swift

    func isEqual(_ object: Any?) -> Bool

    Parameters

    other

    Object to compare

  • Calculate hash value for this object

    Declaration

    Objective-C

    - (NSUInteger)hash;

    Swift

    func hash() -> UInt

  • Returns a string that describes the contents of the object

    Declaration

    Objective-C

    - (nonnull NSString *)description;

    Swift

    func description() -> String