com.smartwerkz.jupload.classic.screenshot
Class ScreenCamera

java.lang.Object
  com.smartwerkz.jupload.classic.screenshot.ScreenCamera

public abstract class ScreenCamera
extends java.lang.Object

Has to be implemented and an instace has to be delivered to take a delayed screenshot with the ScreenCapturer

Since:

Jan 18, 2006, 12:30:19 AM

Author:

Dominik Seifert

Field Summary

protected java.util.TimerTask	currentTask
static java.awt.Dimension	screenDimension

Constructor Summary

ScreenCamera()

Method Summary

void	cancel()
void	capture(java.awt.GraphicsDevice device, int delayInSeconds) Captures a screenshot with the given device, delayed by the given amount of seconds or instantly if the amount of seconds is less than 1.
static java.awt.image.BufferedImage	capture(java.awt.GraphicsDevice device, java.awt.Rectangle where) Captures and returns a screenshot taken from the given device.
static java.awt.image.BufferedImage	capture(java.awt.Rectangle where) Captures and returns a screenshot taken from the default device.
abstract void	captureCancelled()
abstract void	captured(java.awt.image.BufferedImage img, int delay, int captureTime) Is called when a capture has successfully been taken after the given delay.
abstract void	captureFailed(int delay, java.lang.Exception e) Is called when the capturing failed because of the given Exception after the given delay.
abstract void	captureStarting(int delay) Is called when a delayed capture should be taken.
boolean	capturing()
static java.awt.GraphicsDevice[]	getDevices() Returns all available devices for screen captures.
long	getElapsedTime()
long	getStartTime()
abstract java.awt.Rectangle	getTarget()

Methods inherited from class java.lang.Object

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

Field Detail

screenDimension

public static final java.awt.Dimension screenDimension

currentTask

protected java.util.TimerTask currentTask

Constructor Detail

ScreenCamera

public ScreenCamera()

Method Detail

getDevices

public static java.awt.GraphicsDevice[] getDevices()

Returns all available devices for screen captures. Each one might represent a different monitor. The user should have the chance to choose which one to use.

capture

public static java.awt.image.BufferedImage capture(java.awt.Rectangle where)
                                            throws java.lang.Exception

Captures and returns a screenshot taken from the default device.

Throws:

java.lang.Exception

capture

public static java.awt.image.BufferedImage capture(java.awt.GraphicsDevice device,
                                                   java.awt.Rectangle where)
                                            throws java.lang.Exception

Captures and returns a screenshot taken from the given device.

Parameters:

device - The device to be used

Throws:

java.lang.Exception

See Also:

getDevices()

capture

public void capture(java.awt.GraphicsDevice device,
                    int delayInSeconds)

Captures a screenshot with the given device, delayed by the given amount of seconds or instantly if the amount of seconds is less than 1. Beeps every second. Cancels the current capture if the camera is still capturing and sets the currentTask within the camera.

capturing

public boolean capturing()

cancel

public void cancel()

getStartTime

public long getStartTime()

getElapsedTime

public long getElapsedTime()

getTarget

public abstract java.awt.Rectangle getTarget()

Returns:

The target that is to be captured. null if the whole screen should be taken.

captureStarting

public abstract void captureStarting(int delay)

Is called when a delayed capture should be taken.

captured

public abstract void captured(java.awt.image.BufferedImage img,
                              int delay,
                              int captureTime)

Is called when a capture has successfully been taken after the given delay.

Parameters:

captureTime - The amount of milliseconds that the capturing took.

captureFailed

public abstract void captureFailed(int delay,
                                   java.lang.Exception e)

Is called when the capturing failed because of the given Exception after the given delay.

captureCancelled

public abstract void captureCancelled()