RMTransform (ReportMill 14 API)

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

All Implemented Interfaces:

java.lang.Cloneable
```
public class RMTransform
extends java.lang.Object
implements java.lang.Cloneable
```
This class represents a simple 2D transform.

Field Summary

Fields
Modifier and Type Field and Description

double _a

double _b

double _c

double _d

double _tx

double _ty

static RMTransform identity

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

Constructor Summary

Constructors
Constructor and 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 and 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.
`java.lang.Object`	`clone()` Standard clone implementation.
`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 java.lang.Object
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).
- clone
```
public java.lang.Object clone()
```
  Standard clone implementation.
  
  Overrides:
  
  clone in class java.lang.Object
- toString
```
public java.lang.String toString()
```
  Returns a string representation of the transform.
  
  Overrides:
  
  toString in class java.lang.Object

Class RMTransform

Field Summary

Constructor Summary

Method Summary

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

clone

toString