dlife.vision.cameras
Class SingleImageCamera

java.lang.Object
  java.util.Observable
      dlife.robot.Device
          dlife.vision.Camera
              dlife.vision.cameras.SingleImageCamera

All Implemented Interfaces:

Observer

public class SingleImageCamera
extends Camera

A Camera that displays a single image. The image can be in any format that is supported by the ImageIO class. This includes at least bmp, wbmp, jpeg, gif, and png images.

To launch an SingleImageCamera in Stand Alone mode:

1. Ensure that the basic dLife installation is done.
2. Double click the dLifeDist/UserScripts/SingleImageCamera file (Mac/Linux) or the dLifeDist/UserScripts/SingleImageCamera.bat file (Windows).

Version:

Sep 23, 2010

Author:

Grant Braught, Dickinson College

Field Summary

Fields inherited from class dlife.vision.Camera

BOTH_VIDEO, FILTERED_VIDEO, RAW_VIDEO

Fields inherited from class dlife.robot.Device

DEFAULT_GUI_UPDATE_DELAY, DEFAULT_READ_DELAY, myRobot, readCount

Constructor Summary

SingleImageCamera()
Construct a new SingleImageCamera that prompts the user to choose an image to use.

SingleImageCamera(URL path)
Construct a new SingleImageCamera using the file specified by the given URL.

Method Summary

static void

main(String[] args) Display the GUI for a Camera using a single image as the video source.

Methods inherited from class dlife.vision.Camera

addFilter, clearDrawing, createGUIObjects, drawCircle, drawLine, drawOval, drawRectangle, drawString, freeze, getFilterManager, getFilters, getHeight, getSeekLocation, getVideoDisplay, getVideoSource, getWidth, insertFilter, pause, play, readStateFromRobot, removeFilter, removeFilter, rewind, seek, setFilters, shutDown, startUp, stepBackward, stepForward, update

Methods inherited from class dlife.robot.Device

getAutoRead, getGUI, getGUIUpdateDelay, getReadDelay, getRobot, getSensorReadCount, getSensorReadRate, setAutoRead, setGUIUpdateDelay, setReadDelay, setRobot, startAutoReadTimer, stopAutoReadTimer

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleImageCamera

public SingleImageCamera()
                  throws VideoSourceCreationFailedException

Construct a new SingleImageCamera that prompts the user to choose an image to use.

Throws:

VideoSourceCreationFailedException

SingleImageCamera

public SingleImageCamera(URL path)
                  throws VideoSourceCreationFailedException

Construct a new SingleImageCamera using the file specified by the given URL. The URL may indicate a file on the local machine or available via a network.

Parameters:

path - the path to an image file.

Throws:

VideoSourceCreationFailedException - if the source cannot be created from the given URL.

Method Detail

main

public static void main(String[] args)
                 throws VideoSourceCreationFailedException

Display the GUI for a Camera using a single image as the video source. The user is asked to select a file containing the image to use.

Parameters:

args - none

Throws:

VideoSourceCreationFailedException