Package panamagl.canvas

Record Class PixelScale

java.lang.Object

java.lang.Record

panamagl.canvas.PixelScale

public record PixelScale(double x, double y)
extends Record

Ratio between physical pixels and logical pixels for a GLCanvas.

A scale of (1, 1) means one logical pixel equals one physical pixel. On a Retina or Windows HiDPI display, the scale is typically (2, 2) or a fractional value such as (1.5, 1.5).

Field Summary

Fields

Modifier and Type	Field	Description
static final PixelScale	IDENTITY

Constructor Summary

Constructors

Constructor	Description
PixelScale(double x, double y)	Creates an instance of a PixelScale record class.

Method Summary

Modifier and Type	Method	Description
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
final int	hashCode()	Returns a hash code value for this object.
boolean	isIdentity()
final String	toString()	Returns a string representation of this record class.
double	x()	Returns the value of the x record component.
double	y()	Returns the value of the y record component.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

IDENTITY

public static final PixelScale IDENTITY

Constructor Details

PixelScale

public PixelScale(double x,
 double y)

Creates an instance of a PixelScale record class.

Parameters:

x - the value for the x record component

y - the value for the y record component

Method Details

isIdentity

public boolean isIdentity()

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with '=='.

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

x

public double x()

Returns the value of the x record component.

Returns:

the value of the x record component

y

public double y()

Returns the value of the y record component.

Returns:

the value of the y record component