org.jhotdraw.draw

Class ImageFigure

java.lang.Object

org.jhotdraw.beans.AbstractBean

org.jhotdraw.draw.AbstractFigure

org.jhotdraw.draw.AbstractAttributedFigure

org.jhotdraw.draw.AbstractAttributedDecoratedFigure

org.jhotdraw.draw.ImageFigure

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, DecoratedFigure, Figure, ImageHolderFigure, DOMStorable

public class ImageFigure
extends AbstractAttributedDecoratedFigure
implements ImageHolderFigure

A default implementation of ImageHolderFigure which can hold a buffered image.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.jhotdraw.draw.Figure

CONNECTABLE_PROPERTY, REMOVABLE_PROPERTY, SELECTABLE_PROPERTY, TRANSFORMABLE_PROPERTY

Constructor Summary

Constructors

Constructor and Description
ImageFigure() Creates a new instance.
ImageFigure(double x, double y, double width, double height)

Method Summary

Modifier and Type	Method and Description
ImageFigure	clone() Returns a clone of the figure, with clones of all aggregated figures, such as children and decorators.
boolean	figureContains(java.awt.geom.Point2D.Double p) Checks if a Point2D.Double is inside the figure.
Connector	findCompatibleConnector(Connector c, boolean isStartConnector) Gets a compatible connector.
Connector	findConnector(java.awt.geom.Point2D.Double p, ConnectionFigure prototype) Returns the Figures connector for the specified location.
java.util.Collection<javax.swing.Action>	getActions(java.awt.geom.Point2D.Double p) Returns a collection of actions which are presented to the user in a popup menu.
java.awt.geom.Rectangle2D.Double	getBounds() Returns the untransformed logical bounds of the figure as a Rectangle.
java.awt.image.BufferedImage	getBufferedImage() Gets the buffered image.
java.awt.geom.Rectangle2D.Double	getFigureDrawingArea()
byte[]	getImageData() Gets the image data.
java.lang.Object	getTransformRestoreData() Gets data which can be used to restore the transformation of the figure without loss of precision, after a transform has been applied to it.
void	loadImage(java.io.File file) Loads an image from a File.
void	loadImage(java.io.InputStream in) Loads an image from an Input Stream.
void	read(DOMInput in)
void	restoreTransformTo(java.lang.Object geometry) Restores the transform of the figure to a previously stored state.
void	setBounds(java.awt.geom.Point2D.Double anchor, java.awt.geom.Point2D.Double lead) Sets the logical and untransformed bounds of the figure.
void	setBufferedImage(java.awt.image.BufferedImage image) Sets the buffered image.
void	setImage(byte[] imageData, java.awt.image.BufferedImage bufferedImage) Sets the image.
void	setImageData(byte[] imageData) Sets the image data.
void	transform(java.awt.geom.AffineTransform tx) Transforms the figure.
void	write(DOMOutput out)

Methods inherited from class org.jhotdraw.draw.AbstractAttributedDecoratedFigure

contains, draw, getDecorator, getDrawingArea, setDecorator

Methods inherited from class org.jhotdraw.draw.AbstractAttributedFigure

get, getAttributes, getAttributesRestoreData, getStroke, getStrokeMiterLimitFactor, hasAttribute, isAttributeEnabled, removeAttribute, restoreAttributesTo, set, setAttributeEnabled, setAttributes

Methods inherited from class org.jhotdraw.draw.AbstractFigure

addFigureListener, addNotify, changed, createHandles, findFigureInside, fireAreaInvalidated, fireFigureChanged, getConnectors, getCursor, getDecomposition, getEndPoint, getLayer, getPreferredSize, getStartPoint, getTool, getToolTipText, handleDrop, handleMouseClick, includes, isConnectable, isRemovable, isSelectable, isTransformable, isVisible, remap, removeFigureListener, removeNotify, requestRemove, setBounds, setConnectable, setRemovable, setSelectable, setTransformable, setVisible, toString, willChange

Methods inherited from class org.jhotdraw.beans.AbstractBean

addPropertyChangeListener, addPropertyChangeListener, getPropertyChangeListeners, removePropertyChangeListener, removePropertyChangeListener

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.jhotdraw.draw.Figure

addFigureListener, addNotify, addPropertyChangeListener, changed, contains, createHandles, draw, findFigureInside, get, getAttributes, getAttributesRestoreData, getConnectors, getCursor, getDecomposition, getDrawingArea, getEndPoint, getLayer, getPreferredSize, getStartPoint, getTool, getToolTipText, handleDrop, handleMouseClick, includes, isConnectable, isRemovable, isSelectable, isTransformable, isVisible, remap, removeFigureListener, removeNotify, removePropertyChangeListener, requestRemove, restoreAttributesTo, set, willChange

Constructor Detail

ImageFigure

public ImageFigure()

Creates a new instance.

ImageFigure

public ImageFigure(double x,
                   double y,
                   double width,
                   double height)

Method Detail

getBounds

public java.awt.geom.Rectangle2D.Double getBounds()

Description copied from interface: Figure

Returns the untransformed logical bounds of the figure as a Rectangle.

The bounds are used by Handle objects for adjusting the figure and for aligning the figure on a grid.

Specified by:

getBounds in interface Figure

getFigureDrawingArea

public java.awt.geom.Rectangle2D.Double getFigureDrawingArea()

figureContains

public boolean figureContains(java.awt.geom.Point2D.Double p)

Checks if a Point2D.Double is inside the figure.

setBounds

public void setBounds(java.awt.geom.Point2D.Double anchor,
                      java.awt.geom.Point2D.Double lead)

Description copied from interface: Figure

Sets the logical and untransformed bounds of the figure.

This is used by Tool's which create a new Figure and by Tool's which connect a Figure to another Figure.

This is a basic operation which does not fire events. Use the following code sequence, if you need event firing:

 figure.willChange();
 figure.setBounds(...);
 figure.changed();
 

Specified by:

setBounds in interface Figure

Overrides:

setBounds in class AbstractFigure

Parameters:

anchor - the start point of the bounds

lead - the end point of the bounds

See Also:

Figure.getBounds()

transform

public void transform(java.awt.geom.AffineTransform tx)

Transforms the figure.

Specified by:

transform in interface Figure

Parameters:

tx - The transformation.

See Also:

Figure.getTransformRestoreData(), Figure.restoreTransformTo(java.lang.Object)

restoreTransformTo

public void restoreTransformTo(java.lang.Object geometry)

Description copied from interface: Figure

Restores the transform of the figure to a previously stored state.

Specified by:

restoreTransformTo in interface Figure

getTransformRestoreData

public java.lang.Object getTransformRestoreData()

Description copied from interface: Figure

Gets data which can be used to restore the transformation of the figure without loss of precision, after a transform has been applied to it.

Specified by:

getTransformRestoreData in interface Figure

See Also:

Figure.transform(AffineTransform)

getActions

public java.util.Collection<javax.swing.Action> getActions(java.awt.geom.Point2D.Double p)

Description copied from class: AbstractFigure

Returns a collection of actions which are presented to the user in a popup menu.

The collection may contain null entries. These entries are used interpreted as separators in the popup menu.

Specified by:

getActions in interface Figure

Overrides:

getActions in class AbstractFigure

findConnector

public Connector findConnector(java.awt.geom.Point2D.Double p,
                               ConnectionFigure prototype)

Description copied from class: AbstractFigure

Returns the Figures connector for the specified location. By default a ChopBoxConnector is returned.

Specified by:

findConnector in interface Figure

Overrides:

findConnector in class AbstractFigure

Parameters:

p - the location of the connector.

prototype - The prototype used to create a connection or null if unknown. This allows for specific connectors for different connection figures.

See Also:

ChopRectangleConnector

findCompatibleConnector

public Connector findCompatibleConnector(Connector c,
                                         boolean isStartConnector)

Description copied from interface: Figure

Gets a compatible connector. If the provided connector is part of this figure, return the connector. If the provided connector is part of another figure, return a connector with the same semantics for this figure. Returns null, if no compatible connector is available.

Specified by:

findCompatibleConnector in interface Figure

Overrides:

findCompatibleConnector in class AbstractFigure

clone

public ImageFigure clone()

Description copied from interface: Figure

Returns a clone of the figure, with clones of all aggregated figures, such as children and decorators. The cloned figure does not clone the list of FigureListeners from its original.

Specified by:

clone in interface Figure

Overrides:

clone in class AbstractAttributedDecoratedFigure

read

public void read(DOMInput in)
          throws java.io.IOException

Specified by:

read in interface DOMStorable

Overrides:

read in class AbstractAttributedDecoratedFigure

Throws:

java.io.IOException

write

public void write(DOMOutput out)
           throws java.io.IOException

Specified by:

write in interface DOMStorable

Overrides:

write in class AbstractAttributedDecoratedFigure

Throws:

java.io.IOException

setImage

public void setImage(byte[] imageData,
                     java.awt.image.BufferedImage bufferedImage)

Sets the image.

Specified by:

setImage in interface ImageHolderFigure

Parameters:

imageData - The image data. If this is null, a buffered image must be provided.

bufferedImage - An image constructed from the imageData. If this is null, imageData must be provided.

setImageData

public void setImageData(byte[] imageData)

Sets the image data. This clears the buffered image.

Note: For performance reasons this method stores a reference to the imageData array instead of cloning it. Do not modify the image data array after invoking this method.

setBufferedImage

public void setBufferedImage(java.awt.image.BufferedImage image)

Sets the buffered image. This clears the image data.

Specified by:

setBufferedImage in interface ImageHolderFigure

getBufferedImage

@Nullable
public java.awt.image.BufferedImage getBufferedImage()

Gets the buffered image. If necessary, this method creates the buffered image from the image data.

Specified by:

getBufferedImage in interface ImageHolderFigure

getImageData

@Nullable
public byte[] getImageData()

Gets the image data. If necessary, this method creates the image data from the buffered image.

Note: For performance reasons this method returns a reference to the internally used image data array instead of cloning it. Do not modify this array.

Specified by:

getImageData in interface ImageHolderFigure

Returns:

imageData The image data, or null, if the ImageHolderFigure does not have an image.

loadImage

public void loadImage(java.io.File file)
               throws java.io.IOException

Description copied from interface: ImageHolderFigure

Loads an image from a File. By convention this method is never invoked on the AWT Event Dispatcher Thread.

Specified by:

loadImage in interface ImageHolderFigure

Throws:

java.io.IOException

loadImage

public void loadImage(java.io.InputStream in)
               throws java.io.IOException

Description copied from interface: ImageHolderFigure

Loads an image from an Input Stream. By convention this method is never invoked on the AWT Event Dispatcher Thread.

Specified by:

loadImage in interface ImageHolderFigure

Throws:

java.io.IOException