org.codelogger.utils

Class ImageUtils

java.lang.Object

org.codelogger.utils.ImageUtils

public class ImageUtils
extends Object

A useful tools to handle images, likes get imageReader from file or web URL, get image format name, and so on...

Author:

DengDefei

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ImageUtils.ImageReaderUtils A tool to handle image reader.

Method Summary

Methods

Modifier and Type	Method and Description
static String	getFormatName(Object sourceImage) Returns a String identifying the format of the input source. e.g: image source is "example.png" then return "png".
static String	getFormatNameFromHttpImage(String sourceImageHttpURL) Returns a String identifying the format of given web image. e.g: image source is "example.png" then return "png".
static ImageReader	getImageReader(Object sourceImage) Get image reader from given source image.
static ImageReader	getImageReaderFromHttpImage(String sourceImageHttpURL) Get image reader from given web image.
static byte[]	snapshot(byte[] bytes, Color backgroundColor)

Methods inherited from class java.lang.Object

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

Method Detail

getImageReader

public static ImageReader getImageReader(Object sourceImage)
                                  throws IOException

Get image reader from given source image.

Parameters:

sourceImage - the image object you want to handle.

Returns:

an image read object has given source image data.

Throws:

IOException

getImageReaderFromHttpImage

public static ImageReader getImageReaderFromHttpImage(String sourceImageHttpURL)
                                               throws IOException

Get image reader from given web image.

Parameters:

sourceImageHttpURL - the web image object you want to handle.

Returns:

an image read object has given source image data.

Throws:

IOException

getFormatName

public static String getFormatName(Object sourceImage)
                            throws IOException

Returns a String identifying the format of the input source.
e.g: image source is "example.png" then return "png". Even the name just is "example", we can handle it if this is an image.

Parameters:

sourceImage - the image which you want to handle.

Returns:

the format name of given image.

Throws:

IOException

getFormatNameFromHttpImage

public static String getFormatNameFromHttpImage(String sourceImageHttpURL)
                                         throws IOException

Returns a String identifying the format of given web image.
e.g: image source is "example.png" then return "png". Even the name just is "example", we can handle it if this is an image.

Parameters:

sourceImageHttpURL - the web image url which you want to handle.

Returns:

the format name of given image.

Throws:

IOException

snapshot

public static byte[] snapshot(byte[] bytes,
              Color backgroundColor)
                       throws IOException

Throws:

IOException