Package org.opensourcephysics.tools

Class SnapshotTool

java.lang.Object

org.opensourcephysics.tools.SnapshotTool

All Implemented Interfaces:

Tool

public class SnapshotTool
extends Object
implements Tool

This provides a simple way to capture screen images.

Version:

1.0

Author:

Francisco Esquembre (http://fem.um.es), Wolfgang Christian

Method Summary

Modifier and Type	Method	Description
void	copyImage(Component component)	Copies an image of a component to the clipboard
void	copyImage(Image image)	Copies the specified image to the system clipboard.
protected static void	createChooser()
Image	getClipboardImage()	Returns the image on the clipboard, if any.
static String	getString(String key)
static SnapshotTool	getTool()	Gets the shared SnapshotTool.
static boolean	isImageFormatSupported(String format)
void	printImage(Component component)	Prints an image of a component
boolean	saveImage(String filename, Component component)	Saves the image produced by a component
boolean	saveImage(String filename, Component component, OutputStream output)	Saves the image produced by a component to an output stream
boolean	saveImage(String filename, Component component, OutputStream output, double scale)	Saves the (possibly scaled) image produced by a component to an output stream
void	send(Job job, Tool replyTo)	Sends a job to this tool and specifies a tool to reply to.
static void	setLocale(Locale locale)

Methods inherited from class java.lang.Object

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

Method Details

setLocale

public static void setLocale(Locale locale)

getString

public static String getString(String key)

getTool

public static SnapshotTool getTool()

Gets the shared SnapshotTool.

Returns:

the shared SnapshotTool

createChooser

protected static void createChooser()

send

public void send(Job job,
 Tool replyTo)

Sends a job to this tool and specifies a tool to reply to.

Specified by:

send in interface Tool

Parameters:

job - the Job

replyTo - the tool to notify when the job is complete (may be null)

saveImage

public boolean saveImage(String filename,
 Component component)

Saves the image produced by a component

Parameters:

filename - the name of a file

component - the component to get the image from

Returns:

true if the file was correctly saved

saveImage

public boolean saveImage(String filename,
 Component component,
 OutputStream output)

Saves the image produced by a component to an output stream

Parameters:

filename - the name of a file (the extension indicates the format). If null, teh user will be prompted for a name

component - the component to get the image from

output - An optional output stream to save to. If null the image is saved to a file

Returns:

true if the image was correctly saved

saveImage

public boolean saveImage(String filename,
 Component component,
 OutputStream output,
 double scale)

Saves the (possibly scaled) image produced by a component to an output stream

Parameters:

filename - the name of a file (the extension indicates the format). If null, the user will be prompted for a name

component - the component to get the image from

output - An optional output stream to save to. If null the image is saved to a file

scale - A scale factor that resizes the image. A value of 1 uses the actual size.

Returns:

true if the image was correctly saved

isImageFormatSupported

public static boolean isImageFormatSupported(String format)

copyImage

public void copyImage(Image image)

Copies the specified image to the system clipboard.

Parameters:

image - the image to copy

getClipboardImage

public Image getClipboardImage()

Returns the image on the clipboard, if any.

Returns:

the image, or null if none found

copyImage

public void copyImage(Component component)

Copies an image of a component to the clipboard

Parameters:

component - the component to copy

printImage

public void printImage(Component component)

Prints an image of a component

Parameters:

component - the component to print