com.sun.jimi.tools.imageviewer
Class ImageViewer

java.lang.Object
  |
  +--com.sun.jimi.tools.imageviewer.ImageViewer

public class ImageViewer

extends java.lang.Object

implements java.awt.event.ActionListener

Image viewing class. On creation, a "control panel" frame will pop up for loading images. Any number of images can be loaded and saved through it.

Field Summary

protected <>List	bufferList_ List for showing which images are loaded.
protected static int	CONTROL_PANEL_WIDTH Default width for control panel.
protected java.awt.Panel	controlPanel_ Container for controls.
protected java.lang.String	currentDirectory_
protected com.sun.component.JimiCanvas	displayCanvas_ Canvas that actually displays the images.
protected java.util.Hashtable	imageCache_ Image cache.
protected java.util.Hashtable	imageNameMap_ Mappings between filenames stored in the List, and fully-qualified names.
protected static int	INITIAL_LIST_ROWS Initial number of rows in the list.
protected java.awt.Button	loadButton_ "Load" button.
protected java.awt.Frame	mainFrame_ Frame for main panel.
protected java.awt.MediaTracker	mediaTracker_ MediaTracker for blocking on image loading.
protected java.awt.Button	saveButton_ "Save" button.
protected java.awt.Label	statusMessage_ Status message.
protected java.awt.Frame	viewerFrame_ Frame for viewer panel.

Constructor Summary

ImageViewer()

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e)
protected void	initPanel()
protected void	loadImage() Pops up a file dialog prompting the user to load an image.
protected void	openImage(java.lang.String filename) Opens an image and makes sure it is fully loaded.
protected void	saveImage() Not implemented!
protected void	setImage(java.awt.Image image)
protected void	setStatus(java.lang.String status) Show a message in the status line.
protected void	waitImageLoad(java.awt.Image image) Block on image loading.
protected void	writeImage(java.lang.String filename)

Methods inherited from class java.lang.Object

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

Field Detail

INITIAL_LIST_ROWS

protected static final int INITIAL_LIST_ROWS

Initial number of rows in the list.

CONTROL_PANEL_WIDTH

protected static final int CONTROL_PANEL_WIDTH

Default width for control panel.

mainFrame_

protected java.awt.Frame mainFrame_

Frame for main panel.

viewerFrame_

protected java.awt.Frame viewerFrame_

Frame for viewer panel.

controlPanel_

protected java.awt.Panel controlPanel_

Container for controls.

bufferList_

protected <>List bufferList_

List for showing which images are loaded.

loadButton_

protected java.awt.Button loadButton_

"Load" button.

saveButton_

protected java.awt.Button saveButton_

"Save" button.

statusMessage_

protected java.awt.Label statusMessage_

Status message.

imageCache_

protected java.util.Hashtable imageCache_

Image cache.

imageNameMap_

protected java.util.Hashtable imageNameMap_

Mappings between filenames stored in the List, and fully-qualified names.

mediaTracker_

protected java.awt.MediaTracker mediaTracker_

MediaTracker for blocking on image loading.

displayCanvas_

protected com.sun.component.JimiCanvas displayCanvas_

Canvas that actually displays the images.

currentDirectory_

protected java.lang.String currentDirectory_

Constructor Detail

ImageViewer

public ImageViewer()

Method Detail

initPanel

protected void initPanel()

saveImage

protected void saveImage()

Not implemented!

writeImage

protected void writeImage(java.lang.String filename)
                   throws java.io.IOException

loadImage

protected void loadImage()

Pops up a file dialog prompting the user to load an image.

openImage

protected void openImage(java.lang.String filename)
                  throws java.io.IOException

Opens an image and makes sure it is fully loaded.

Returns:

The image.

Throws:

If - something goes wrong while loading the image.

setImage

protected void setImage(java.awt.Image image)

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Specified by:

actionPerformed in interface java.awt.event.ActionListener

waitImageLoad

protected void waitImageLoad(java.awt.Image image)

Block on image loading.

setStatus

protected void setStatus(java.lang.String status)

Show a message in the status line.