java.lang.Object
- com.adobe.fontengine.font.Matrix

```
public final class Matrix
extends java.lang.Object
```
A 2x3 "Postscript style" coordinate matrix (a 2D transformation and shift).
Synchronization

These objects are immutable.

Field Summary

Fields
Modifier and Type	Field	Description
`double`	`a`
`double`	`b`
`double`	`c`
`double`	`d`
`static Matrix`	`IDENTITY_MATRIX`	a constant Matrix representing the identity transformation
`double`	`tx`
`double`	`ty`

Constructor Summary

Constructors
Constructor	Description
`Matrix(double[] matrix)`	Creates a matrix from either a 4 or 6 element array representing a matrix.
`Matrix(double a, double b, double c, double d, double tx, double ty)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`applyToPoint(Point p)`	computes p * this and returns the result in p
`double`	`applyToXYGetX(double x, double y)`	computes [x y] * this and returns the resulting x value
`double`	`applyToXYGetY(double x, double y)`	computes [x y] * this and returns the resulting y value
`boolean`	`isIdentity()`	Returns true iff this is very close to representing the identity transformation.
`boolean`	`isInverse(Matrix inverse)`	Checks whether 'inverse' is the inverse of this matrix.
`Matrix`	`multiply(double multiplier)`	Computes this * multiplier and returns the resulting matrix.
`Matrix`	`multiply(Matrix multiplier)`	Computes this * multiplier and returns the resulting matrix.

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

- Field Detail
  - IDENTITY_MATRIX
```
public static final Matrix IDENTITY_MATRIX
```
    a constant Matrix representing the identity transformation
  - a
```
public final double a
```
  - b
```
public final double b
```
  - c
```
public final double c
```
  - d
```
public final double d
```
  - tx
```
public final double tx
```
  - ty
```
public final double ty
```
- Constructor Detail
  - Matrix
```
public Matrix(double[] matrix)
```
    Creates a matrix from either a 4 or 6 element array representing a matrix. If there are 4 elements, tx and ty are set to 0.
    
    Parameters:
    
    matrix - contains the matrix elements in the following order: a, b, c, d, tx, ty
  - Matrix
```
public Matrix(double a,
              double b,
              double c,
              double d,
              double tx,
              double ty)
```
- Method Detail
  - isIdentity
```
public boolean isIdentity()
```
    Returns true iff this is very close to representing the identity transformation.
  - isInverse
```
public boolean isInverse(Matrix inverse)
```
    Checks whether 'inverse' is the inverse of this matrix.
    
    Parameters:
    
    inverse - the matrix to be compared
    
    Returns:
    
    true iff this * inverse ~= IDENTITY_MATRIX
  - multiply
```
public Matrix multiply(Matrix multiplier)
```
    Computes this * multiplier and returns the resulting matrix.
  - multiply
```
public Matrix multiply(double multiplier)
```
    Computes this * multiplier and returns the resulting matrix.
  - applyToPoint
```
public void applyToPoint(Point p)
```
    computes p * this and returns the result in p
  - applyToXYGetX
```
public double applyToXYGetX(double x,
                            double y)
```
    computes [x y] * this and returns the resulting x value
  - applyToXYGetY
```
public double applyToXYGetY(double x,
                            double y)
```
    computes [x y] * this and returns the resulting y value

Class Matrix

Synchronization

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

IDENTITY_MATRIX

a

b

c

d

tx

ty

Constructor Detail

Matrix

Matrix

Method Detail

isIdentity

isInverse

multiply

multiply

applyToPoint

applyToXYGetX

applyToXYGetY