org.jdrawing.graphics
Class GraphicsElement

java.lang.Object
  org.jdrawing.graphics.GraphicsElement

Direct Known Subclasses:

GraphicsOperation, Group

public class GraphicsElement

extends java.lang.Object

Base class for entities, that can be added to GraphicsModel.

Field Summary

static java.lang.String	BACKGROUND Background style.
static java.lang.String	COLOR Color style.
static java.lang.String	COMPOSITE Composite style.
static java.lang.String	FONT Font style.
static java.lang.String	PAINT Paint style.
protected Group	parent Parent Group of this element
protected int	position Index of this elements in the children list of the parent Group
static java.lang.String	STROKE Stroke style.
static java.lang.String	TRANSFORM Transform style.

Constructor Summary

GraphicsElement()

Method Summary

void	addStyle(java.lang.String style, java.lang.Object value) Add style to this element
Group	getParent() Returns this parent Group of this element.
java.lang.Object	getStyle(java.lang.String style) Gets style of the element with given name
java.lang.String[]	getStyles() Returns an array of names of all styles, assigned to this element.
java.awt.geom.AffineTransform	getTransform() Returns the AffineTransform that is concatenation of transform of parent group of the element and transform style of the element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

COLOR

public static final java.lang.String COLOR

Color style. The value of this style must be instance of class Color

See Also:

Constant Field Values

FONT

public static final java.lang.String FONT

Font style. The value of this style must be instance of class Font

See Also:

Constant Field Values

STROKE

public static final java.lang.String STROKE

Stroke style. The value of this style must be instance of class Stroke

See Also:

Constant Field Values

BACKGROUND

public static final java.lang.String BACKGROUND

Background style. The value of this style must be instance of class Color

See Also:

Constant Field Values

COMPOSITE

public static final java.lang.String COMPOSITE

Composite style. The value of this style must be instance of class Composite

See Also:

Constant Field Values

PAINT

public static final java.lang.String PAINT

Paint style. The value of this style must be instance of class Paint

See Also:

Constant Field Values

TRANSFORM

public static final java.lang.String TRANSFORM

Transform style. The value of this style must be instance of class AffineTransform

See Also:

Constant Field Values

parent

protected Group parent

Parent Group of this element

position

protected int position

Index of this elements in the children list of the parent Group

Constructor Detail

GraphicsElement

public GraphicsElement()

Method Detail

getParent

public Group getParent()

Returns this parent Group of this element.

Returns:

The parent Group of this element

addStyle

public void addStyle(java.lang.String style,
                     java.lang.Object value)

Add style to this element

Parameters:

style - Name of the style

value - Value of the style

getStyle

public java.lang.Object getStyle(java.lang.String style)

Gets style of the element with given name

Parameters:

style - Name of the style

Returns:

Value of the style

getStyles

public java.lang.String[] getStyles()

Returns an array of names of all styles, assigned to this element.

Returns:

an array of names of all styles, assigned to this element

getTransform

public java.awt.geom.AffineTransform getTransform()

Returns the AffineTransform that is concatenation of transform of parent group of the element and transform style of the element.

Returns:

concatenated transform