org.jdrawing.graphics
Class GraphicsOperation

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

All Implemented Interfaces:

DrawingElement

Direct Known Subclasses:

DrawImage, DrawLine, DrawString, PolygonOperation, RectangleOperation, ShapeOperation

public abstract class GraphicsOperation

extends GraphicsElement

implements DrawingElement

This is the base class for all elements, representing drawing operations.

Field Summary

Fields inherited from class org.jdrawing.graphics.GraphicsElement

BACKGROUND, COLOR, COMPOSITE, FONT, PAINT, parent, position, STROKE, TRANSFORM

Constructor Summary

GraphicsOperation()

Method Summary

void	paint(java.awt.Graphics graphics) Paint the element.
abstract void	paintOperation(java.awt.Graphics2D graphics) Performs grawing operation.
void	update() Notifies parent about changes in this element

Methods inherited from class org.jdrawing.graphics.GraphicsElement

addStyle, getParent, getStyle, getStyles, getTransform

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jdrawing.DrawingElement

contains, getBounds, getBounds2D, intersects

Constructor Detail

GraphicsOperation

public GraphicsOperation()

Method Detail

paint

public void paint(java.awt.Graphics graphics)

Paint the element. This implementation applies all styles and then calls paintOperation(java.awt.Graphics2D).

Specified by:

paint in interface DrawingElement

Parameters:

graphics - graphics context to use for painting

paintOperation

public abstract void paintOperation(java.awt.Graphics2D graphics)

Performs grawing operation.

Parameters:

graphics - graphics context to use for painting

update

public void update()

Notifies parent about changes in this element