org.apache.batik.ext.awt.g2d

Class TransformStackElement

public abstract class TransformStackElement extends Object implements Cloneable

Contains a description of an elementary transform stack element, such as a rotate or translate. A transform stack element has a type and a value, which is an array of double values.

Constructor Summary
protected	TransformStackElement(TransformType type, double[] transformParameters)

Method Summary
Object	clone()
boolean	concatenate(TransformStackElement stackElement)
static TransformStackElement	createGeneralTransformElement(AffineTransform txf)
static TransformStackElement	createRotateElement(double theta)
static TransformStackElement	createScaleElement(double scaleX, double scaleY)
static TransformStackElement	createShearElement(double shearX, double shearY)
static TransformStackElement	createTranslateElement(double tx, double ty)
double[]	getTransformParameters()
TransformType	getType()
boolean	isIdentity()

Constructor Detail

TransformStackElement

protected TransformStackElement(TransformType type, double[] transformParameters)

Parameters: type transform type transformParameters parameters for transform

Method Detail

clone

public Object clone()

Returns: an object which is a deep copy of this one

concatenate

public boolean concatenate(TransformStackElement stackElement)

createGeneralTransformElement

public static TransformStackElement createGeneralTransformElement(AffineTransform txf)

createRotateElement

public static TransformStackElement createRotateElement(double theta)

createScaleElement

public static TransformStackElement createScaleElement(double scaleX, double scaleY)

createShearElement

public static TransformStackElement createShearElement(double shearX, double shearY)

createTranslateElement

public static TransformStackElement createTranslateElement(double tx, double ty)

getTransformParameters

public double[] getTransformParameters()

Returns: array of values containing this transform element's parameters

getType

public TransformType getType()

Returns: this transform type

isIdentity

public boolean isIdentity()

Returns: true iff this transform is the identity transform