GPPoint

Unit : GPShapesUnit
Association : GPPointAsn
Inherits from : GPShape

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Description

A single pixel on the screen. Note that the coordinate system places the point (0, 0) in the top left corner of the window.

Public Interface

CONSTRUCTOR Init;
Initializes a GPPoint with (0,0).

CONSTRUCTOR InitWithCoords (x, y: integer);
Initializes a GPPoint with a location.

CONSTRUCTOR InitWithPoint (pt: GPPoint);
Initializes a GPPoint with the values of another GPPoint.

DESTRUCTOR Destroy; VIRTUAL;
Destroys a GPPoint.

FUNCTION GetX: integer;
Returns the value of the x-coordinate.

PROCEDURE SetX (x: integer);
Sets the value of the x-coordinate.

FUNCTION GetY: integer;
Returns the value of the y-coordinate.

PROCEDURE SetY (y: integer);
Sets the value of the y coordinate.

PROCEDURE SetCoords (x, y: integer);
Sets the values of the x- and y-coordinates to the corresponding parameters.

PROCEDURE GetCoords (VAR x, y: integer);
Returns the value of the x-coordinate and the y-coordinate in the respective parameters.

PROCEDURE Copy: GPShapeAsn; VIRTUAL;
Produce a copy of the GPPoint.

PROCEDURE CopyAsGPPoint: GPPointAsn;
Produce a copy of the GPPoint.

FUNCTION Equal(other : GPPoint): Boolean;
Returns TRUE if the coordinates of other are the same as this instance's.

Subclasses

None

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