java.lang.Object
- com.inductiveautomation.rm.base.RMListenerList
- - com.inductiveautomation.rm.base.RMObject
  - - com.inductiveautomation.rm.graphics.RMTransform

All Implemented Interfaces:

RMPropertyChanger, java.lang.Cloneable
```
public class RMTransform
extends RMObject
```
This class represents a simple 2D transform.

Field Summary

Fields
Modifier and Type Field Description

double _a

double _b

double _c

double _d

double _tx

double _ty

static RMTransform identity

Constructor Summary

Constructors
Constructor	Description
`RMTransform()`	Creates a new identity transform.
`RMTransform(double a, double b, double c, double d, double tx, double ty)`	Creates a transform initialized to given matrix components.
`RMTransform(double dx, double dy, double angle, double sx, double sy, double skx, double sky)`	Create a transform with translation, rotation, and skew.
`RMTransform(double dx, double dy, double anAngle, double porx, double pory, double sx, double sy, double skx, double sky)`	Creates a transform with translation and given rotation/skew about a point.
`RMTransform(RMTransform aTransform)`	Creates a new transform from a given transform.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`a()`	Returns the first component of the transform matrix.
`java.awt.geom.AffineTransform`	`awt()`	Returns AWT version of transform for use with Java2D (caching it if needed).
`double`	`b()`	Returns the second component of the transform matrix.
`double`	`c()`	Returns the third component of the transform matrix.
`double`	`d()`	Returns the fourth component of the transform matrix.
`boolean`	`equals(java.lang.Object anObj)`	Standard equals implementation.
`RMTransform`	`invert()`	Inverts this transform (and returns this for convenience).
`boolean`	`isIdentity()`	Returns whether this transform is identity.
`RMTransform`	`multiply(double a, double b, double c, double d, double tx, double ty)`	Multiplies this transform by the given transform components (return this for convenience).
`RMTransform`	`multiply(RMTransform aTransform)`	Multiplies this transform by the given transform.
`RMTransform`	`rotate(double anAngle)`	Rotates this transform by given angle in degrees (returns this for convenience).
`RMTransform`	`scale(double sx, double sy)`	Scales this transform by given scale x and scale y (returns this for convenience).
`RMTransform`	`skew(double aSkewX, double aSkewY)`	Skews this transform by given skew x and skew y angles in degrees (returns this for convenience).
`java.lang.String`	`toString()`	Returns a string representation of the transform.
`RMPoint`	`transform(RMPoint aPoint)`	Transforms the given point.
`RMRect`	`transform(RMRect aRect)`	Transforms the given rect.
`RMSize`	`transform(RMSize aSize)`	Transforms the given size.
`RMSize`	`transformVector(RMSize aSize)`	Transforms the given size as a vector (preserves negative values).
`RMTransform`	`translate(double dx, double dy)`	Translates this transform by given x & y (returns this for convenience).
`double`	`tx()`	Returns the x translation component of the transform matrix.
`double`	`ty()`	Returns the y translation component of the transform matrix.

Methods inherited from class com.inductiveautomation.rm.base.RMObject
addPropertyChangeListener, animUpdate, firePropertyChange, firePropertyChange, firePropertyChange, getPCEvent, removePropertyChangeListener, sendPropertyChange

Methods inherited from class com.inductiveautomation.rm.base.RMListenerList
addListener, clone, getListener, getListenerCount, getListenerCount, getListenerList, getListeners, hasListeners, removeListener

Methods inherited from class java.lang.Object
finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_a
```
public double _a
```

_b
```
public double _b
```

_c
```
public double _c
```

_d
```
public double _d
```

_tx
```
public double _tx
```

_ty
```
public double _ty
```

identity

public static final RMTransform identity

Constructor Detail

RMTransform
```
public RMTransform()
```
Creates a new identity transform.

RMTransform
```
public RMTransform(RMTransform aTransform)
```
Creates a new transform from a given transform.

RMTransform

public RMTransform(double a,
                   double b,
                   double c,
                   double d,
                   double tx,
                   double ty)

Creates a transform initialized to given matrix components.

RMTransform

public RMTransform(double dx,
                   double dy,
                   double angle,
                   double sx,
                   double sy,
                   double skx,
                   double sky)

Create a transform with translation, rotation, and skew.

RMTransform

public RMTransform(double dx,
                   double dy,
                   double anAngle,
                   double porx,
                   double pory,
                   double sx,
                   double sy,
                   double skx,
                   double sky)

Creates a transform with translation and given rotation/skew about a point.

Method Detail
- a
```
public double a()
```
  Returns the first component of the transform matrix.
- b
```
public double b()
```
  Returns the second component of the transform matrix.
- c
```
public double c()
```
  Returns the third component of the transform matrix.
- d
```
public double d()
```
  Returns the fourth component of the transform matrix.
- tx
```
public double tx()
```
  Returns the x translation component of the transform matrix.
- ty
```
public double ty()
```
  Returns the y translation component of the transform matrix.
- isIdentity
```
public boolean isIdentity()
```
  Returns whether this transform is identity.
- translate
```
public RMTransform translate(double dx,
                             double dy)
```
  Translates this transform by given x & y (returns this for convenience).
- rotate
```
public RMTransform rotate(double anAngle)
```
  Rotates this transform by given angle in degrees (returns this for convenience).
- scale
```
public RMTransform scale(double sx,
                         double sy)
```
  Scales this transform by given scale x and scale y (returns this for convenience).
- skew
```
public RMTransform skew(double aSkewX,
                        double aSkewY)
```
  Skews this transform by given skew x and skew y angles in degrees (returns this for convenience).
- multiply
```
public RMTransform multiply(RMTransform aTransform)
```
  Multiplies this transform by the given transform.
- multiply
```
public RMTransform multiply(double a,
                            double b,
                            double c,
                            double d,
                            double tx,
                            double ty)
```
  Multiplies this transform by the given transform components (return this for convenience).
- invert
```
public RMTransform invert()
```
  Inverts this transform (and returns this for convenience).
- transform
```
public RMPoint transform(RMPoint aPoint)
```
  Transforms the given point.
- transform
```
public RMSize transform(RMSize aSize)
```
  Transforms the given size.
- transform
```
public RMRect transform(RMRect aRect)
```
  Transforms the given rect.
- transformVector
```
public RMSize transformVector(RMSize aSize)
```
  Transforms the given size as a vector (preserves negative values).
- equals
```
public boolean equals(java.lang.Object anObj)
```
  Standard equals implementation.
  
  Overrides:
  
  equals in class java.lang.Object
- awt
```
public java.awt.geom.AffineTransform awt()
```
  Returns AWT version of transform for use with Java2D (caching it if needed).
- toString
```
public java.lang.String toString()
```
  Returns a string representation of the transform.
  
  Overrides:
  
  toString in class RMObject

Modifier and Type	Field	Description
`double`	`_a`
`double`	`_b`
`double`	`_c`
`double`	`_d`
`double`	`_tx`
`double`	`_ty`
`static RMTransform`	`identity`

Class RMTransform

Field Summary

Constructor Summary

Method Summary

Methods inherited from class com.inductiveautomation.rm.base.RMObject

Methods inherited from class com.inductiveautomation.rm.base.RMListenerList

Methods inherited from class java.lang.Object

Field Detail

_a

_b

_c

_d

_tx

_ty

identity

Constructor Detail

RMTransform

RMTransform

RMTransform

RMTransform

RMTransform

Method Detail

a

b

c

d

tx

ty

isIdentity

translate

rotate

scale

skew

multiply

multiply

invert

transform

transform

transform

transformVector

equals

awt

toString