com.livescribe.display
Class Image

java.lang.Object
  com.livescribe.display.Image

public class Image
extends Object

Image represents a image buffer that can hold pixel data. It can also be a target for graphics operations.

Method Summary

static Image	createImage(byte[] data) Creates a new image from the given ARW-encoded byte array.
static Image	createImage(InputStream in) Creates a new image from an ARW-encoded byte stream.
static Image	createImage(int width, int height) Create a black image with the dimensions specified.
static Image	createImage(int width, int height, byte color) Create an image with the specified size and background color.
int	getHeight() Gets the image height
int	getWidth() Gets the image width

Methods inherited from class java.lang.Object

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

Method Detail

createImage

public static Image createImage(byte[] data)

Creates a new image from the given ARW-encoded byte array.

Parameters:

data - the ARW-encoded image data

Returns:

a new Image instance or null if the data could not be processed as an ARW image.

createImage

public static Image createImage(int width,
                                int height)

Create a black image with the dimensions specified.

Parameters:

width - image width

height - image height

Returns:

image instance.

Throws:

IllegalArgumentException - if the width or height are ≤ zero.

createImage

public static Image createImage(int width,
                                int height,
                                byte color)

Create an image with the specified size and background color.

Parameters:

width - image width

height - image height

color - color to be used to fill the image.

Returns:

image instance.

Throws:

IllegalArgumentException - if the width or height are ≤ zero.

createImage

public static Image createImage(InputStream in)
                         throws IOException

Creates a new image from an ARW-encoded byte stream.

Parameters:

in - the input stream containing the image data

Returns:

a new image instance.

Throws:

IOException - if there was an I/O error while reading from the stream.

IllegalArgumentException - if the data is not formatted correctly as an ARW image.

getWidth

public int getWidth()

Gets the image width

Returns:

width

getHeight

public int getHeight()

Gets the image height

Returns:

height