edu.umd.cs.piccolo.util
Class PAffineTransform

java.lang.Object
  java.awt.geom.AffineTransform
      edu.umd.cs.piccolo.util.PAffineTransform

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class PAffineTransform
extends java.awt.geom.AffineTransform

PAffineTransform is a subclass of AffineTransform that has been extended with convenience methods.

Version:

1.0

Author:

Jesse Grosjean

See Also:

Serialized Form

Field Summary

Fields inherited from class java.awt.geom.AffineTransform

TYPE_FLIP, TYPE_GENERAL_ROTATION, TYPE_GENERAL_SCALE, TYPE_GENERAL_TRANSFORM, TYPE_IDENTITY, TYPE_MASK_ROTATION, TYPE_MASK_SCALE, TYPE_QUADRANT_ROTATION, TYPE_TRANSLATION, TYPE_UNIFORM_SCALE

Constructor Summary

PAffineTransform()

PAffineTransform(java.awt.geom.AffineTransform tx)

PAffineTransform(double[] flatmatrix)

PAffineTransform(double m00, double m10, double m01, double m11, double m02, double m12)

PAffineTransform(float[] flatmatrix)

PAffineTransform(float m00, float m10, float m01, float m11, float m02, float m12)

Method Summary

double	getRotation() Returns the rotation applied to this affine transform in radians.
double	getScale()
java.awt.geom.Dimension2D	inverseTransform(java.awt.geom.Dimension2D dimSrc, java.awt.geom.Dimension2D dimDst)
java.awt.geom.Rectangle2D	inverseTransform(java.awt.geom.Rectangle2D rectSrc, java.awt.geom.Rectangle2D rectDst)
void	scaleAboutPoint(double scale, double x, double y)
void	setOffset(double tx, double ty)
void	setRotation(double theta) Set rotation in radians.
void	setScale(double scale)
java.awt.geom.Dimension2D	transform(java.awt.geom.Dimension2D dimSrc, java.awt.geom.Dimension2D dimDst)
java.awt.geom.Rectangle2D	transform(java.awt.geom.Rectangle2D rectSrc, java.awt.geom.Rectangle2D rectDst)

Methods inherited from class java.awt.geom.AffineTransform

clone, concatenate, createInverse, createTransformedShape, deltaTransform, deltaTransform, equals, getDeterminant, getMatrix, getQuadrantRotateInstance, getQuadrantRotateInstance, getRotateInstance, getRotateInstance, getRotateInstance, getRotateInstance, getScaleInstance, getScaleX, getScaleY, getShearInstance, getShearX, getShearY, getTranslateInstance, getTranslateX, getTranslateY, getType, hashCode, inverseTransform, inverseTransform, invert, isIdentity, preConcatenate, quadrantRotate, quadrantRotate, rotate, rotate, rotate, rotate, scale, setToIdentity, setToQuadrantRotation, setToQuadrantRotation, setToRotation, setToRotation, setToRotation, setToRotation, setToScale, setToShear, setToTranslation, setTransform, setTransform, shear, toString, transform, transform, transform, transform, transform, transform, translate

Methods inherited from class java.lang.Object

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

Constructor Detail

PAffineTransform

public PAffineTransform()

PAffineTransform

public PAffineTransform(double[] flatmatrix)

PAffineTransform

public PAffineTransform(float[] flatmatrix)

PAffineTransform

public PAffineTransform(double m00,
                        double m10,
                        double m01,
                        double m11,
                        double m02,
                        double m12)

PAffineTransform

public PAffineTransform(float m00,
                        float m10,
                        float m01,
                        float m11,
                        float m02,
                        float m12)

PAffineTransform

public PAffineTransform(java.awt.geom.AffineTransform tx)

Method Detail

scaleAboutPoint

public void scaleAboutPoint(double scale,
                            double x,
                            double y)

getScale

public double getScale()

setScale

public void setScale(double scale)

setOffset

public void setOffset(double tx,
                      double ty)

getRotation

public double getRotation()

Returns the rotation applied to this affine transform in radians. The value returned will be between 0 and 2pi.

Returns:

rotation in radians

setRotation

public void setRotation(double theta)

Set rotation in radians.

transform

public java.awt.geom.Dimension2D transform(java.awt.geom.Dimension2D dimSrc,
                                           java.awt.geom.Dimension2D dimDst)

inverseTransform

public java.awt.geom.Dimension2D inverseTransform(java.awt.geom.Dimension2D dimSrc,
                                                  java.awt.geom.Dimension2D dimDst)

transform

public java.awt.geom.Rectangle2D transform(java.awt.geom.Rectangle2D rectSrc,
                                           java.awt.geom.Rectangle2D rectDst)

inverseTransform

public java.awt.geom.Rectangle2D inverseTransform(java.awt.geom.Rectangle2D rectSrc,
                                                  java.awt.geom.Rectangle2D rectDst)