Class Image

java.lang.Object
  Image

All Implemented Interfaces:

Picture

public class Image

extends java.lang.Object

implements Picture

ImagePicture - A picture created from an image.

Author:

Ben Bederson, Bill Pugh Copyright (C) 2003 University of Maryland

See Also:

Picture, PictureColor, PictureUtil

Constructor Summary

Image(java.lang.String imageLocation)
Constructs a new picture from image at specified location

Image(java.lang.String imageLocation, PictureColor backgroundColor)
Constructs a new picture from image at specified location with a given background color

Method Summary

PictureColor	getBackgroundColor() Specifies the background color of the picture.
PictureColor	getColor(int x, int y) This specifies the content of a picture by returning the color of the picture at each pixel (i.e., position).
int	getHeight()
int	getWidth()

Methods inherited from class java.lang.Object

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

Constructor Detail

Image

public Image(java.lang.String imageLocation)

Constructs a new picture from image at specified location

Parameters:

imageLocation - Can be URL or local filename of GIF, JPG, or PNG image

Image

public Image(java.lang.String imageLocation,
             PictureColor backgroundColor)

Constructs a new picture from image at specified location with a given background color

Parameters:

imageLocation - Can be URL or local filename of GIF, JPG, or PNG image

backgroundColor - Specifies color of image outside of input image bounds

Method Detail

getColor

public PictureColor getColor(int x,
                             int y)

Description copied from interface: Picture

This specifies the content of a picture by returning the color of the picture at each pixel (i.e., position).

Specified by:

getColor in interface Picture

Parameters:

x - The column within the picture

y - The row within the picture

Returns:

The color of the picture at the specified location

See Also:

Picture.getColor(int, int)

getWidth

public int getWidth()

Specified by:

getWidth in interface Picture

See Also:

Picture.getWidth()

getHeight

public int getHeight()

Specified by:

getHeight in interface Picture

See Also:

Picture.getHeight()

getBackgroundColor

public PictureColor getBackgroundColor()

Specifies the background color of the picture. That is, the color returned past the boundaries of the picture.

Returns:

the bacground color of the picture