java.lang.Object
- com.reportmill.base.RMObject
- - com.reportmill.graphics.RMTransform

All Implemented Interfaces:

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

Field Summary

Fields
Modifier and Type Field Description

float _a

float _b

float _c

float _d

float _tx

float _ty

static RMTransform identity

Constructor Summary

Constructors
Constructor	Description
`RMTransform()`	Creates a new identity transform.
`RMTransform(float a, float b, float c, float d, float tx, float ty)`	Creates a transform initialized to given matrix components.
`RMTransform(float dx, float dy, float angle, float sx, float sy, float skx, float sky)`	Create a transform with translation, rotation, and skew.
`RMTransform(float dx, float dy, float anAngle, float porx, float pory, float sx, float sy, float skx, float 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
`float`	`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).
`float`	`b()`	Returns the second component of the transform matrix.
`float`	`c()`	Returns the third component of the transform matrix.
`float`	`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(float a, float b, float c, float d, float tx, float 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(float anAngle)`	Rotates this transform by given angle in degrees (returns this for convenience).
`RMTransform`	`scale(float sx, float sy)`	Scales this transform by given scale x and scale y (returns this for convenience).
`RMTransform`	`skew(float aSkewX, float 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(float dx, float dy)`	Translates this transform by given x & y (returns this for convenience).
`float`	`tx()`	Returns the x translation component of the transform matrix.
`float`	`ty()`	Returns the y translation component of the transform matrix.

Methods inherited from class com.reportmill.base.RMObject
clone, copy, didChange, didUndo, getAnimAttribute, getClassNameShort, initWithArchiver, undoClone, undoCopy, undoEquals

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

Field Detail

_a
```
public float _a
```

_b
```
public float _b
```

_c
```
public float _c
```

_d
```
public float _d
```

_tx
```
public float _tx
```

_ty
```
public float _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(float a,
                   float b,
                   float c,
                   float d,
                   float tx,
                   float ty)

Creates a transform initialized to given matrix components.

RMTransform

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

Create a transform with translation, rotation, and skew.

RMTransform

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

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

Method Detail
- a
```
public float a()
```
  Returns the first component of the transform matrix.
- b
```
public float b()
```
  Returns the second component of the transform matrix.
- c
```
public float c()
```
  Returns the third component of the transform matrix.
- d
```
public float d()
```
  Returns the fourth component of the transform matrix.
- tx
```
public float tx()
```
  Returns the x translation component of the transform matrix.
- ty
```
public float ty()
```
  Returns the y translation component of the transform matrix.
- isIdentity
```
public boolean isIdentity()
```
  Returns whether this transform is identity.
- translate
```
public RMTransform translate(float dx,
                             float dy)
```
  Translates this transform by given x & y (returns this for convenience).
- rotate
```
public RMTransform rotate(float anAngle)
```
  Rotates this transform by given angle in degrees (returns this for convenience).
- scale
```
public RMTransform scale(float sx,
                         float sy)
```
  Scales this transform by given scale x and scale y (returns this for convenience).
- skew
```
public RMTransform skew(float aSkewX,
                        float 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(float a,
                            float b,
                            float c,
                            float d,
                            float tx,
                            float 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 java.lang.Object

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

Class RMTransform

Field Summary

Constructor Summary

Method Summary

Methods inherited from class com.reportmill.base.RMObject

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