dekoh.portal.fwk.image
Class ImageUtils

java.lang.Object
  dekoh.portal.fwk.image.ImageUtils

public class ImageUtils
extends Object

Since:

Sep 18, 2006

Field Summary

static int	IMAGE_JPEG
static int	IMAGE_PNG

Constructor Summary

ImageUtils()

Method Summary

static int	getImageType(BufferedImage image)
static boolean	hasAlpha(Image image) Determines if the image has transparent pixels.
static BufferedImage	makeThumb(BufferedImage image, int x, int y, int width, int height, int size, int shape) Create fancy thumb nail of the given image in any given shape in any given dimension.
static AbstractImageResizer.ImageWithReader	resizeAndGiveBufferedImage(File imageFile, File destFile, ImageSize resizeTo)
static BufferedImage	resizeAndSaveImage(AbstractImageResizer.ImageWithReader bufferedImage, File destFile, ImageSize resizeTo)
static void	resizeAndSaveImage(File imageFile, File destFile, boolean isThumbNail)
static void	resizeAndSaveImage(File imageFile, File destFile, ImageSize resizeTo) creates thumbnails and 640x480 images and saves in respective folders.
static void	resizeAndSaveImage(File imageFile, File destFile, ImageSize resizeTo, EXIFOrientation photoOrientation) creates thumbnails and 640x480 images and saves in respective folders.
static BufferedImage	resizeImage(File imgName, int type, int maxWidth, int maxHeight) Resizes an image
static BufferedImage	resizeImage(Image image, int type, int maxWidth, int maxHeight) Resizes an image.
static boolean	saveImage(BufferedImage image, File toFileName, int type) Saves an image to the disk.

Methods inherited from class java.lang.Object

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

Field Detail

IMAGE_JPEG

public static final int IMAGE_JPEG

See Also:

Constant Field Values

IMAGE_PNG

public static final int IMAGE_PNG

See Also:

Constant Field Values

Constructor Detail

ImageUtils

public ImageUtils()

Method Detail

resizeAndSaveImage

public static void resizeAndSaveImage(File imageFile,
                                      File destFile,
                                      boolean isThumbNail)
                               throws IOException

Throws:

IOException

resizeAndSaveImage

public static void resizeAndSaveImage(File imageFile,
                                      File destFile,
                                      ImageSize resizeTo)
                               throws IOException

creates thumbnails and 640x480 images and saves in respective folders.

Parameters:

imageFile - File

destFile - String

resizeTo - imageSize

Throws:

IOException - throws when could not save the resized image

resizeAndGiveBufferedImage

public static AbstractImageResizer.ImageWithReader resizeAndGiveBufferedImage(File imageFile,
                                                                              File destFile,
                                                                              ImageSize resizeTo)
                                                                       throws IOException

Throws:

IOException

resizeAndSaveImage

public static BufferedImage resizeAndSaveImage(AbstractImageResizer.ImageWithReader bufferedImage,
                                               File destFile,
                                               ImageSize resizeTo)
                                        throws IOException

Throws:

IOException

resizeAndSaveImage

public static void resizeAndSaveImage(File imageFile,
                                      File destFile,
                                      ImageSize resizeTo,
                                      EXIFOrientation photoOrientation)
                               throws IOException

creates thumbnails and 640x480 images and saves in respective folders.

Parameters:

imageFile - File

destFile - String

resizeTo - imageSize

photoOrientation - Photo exifer orientation

Throws:

IOException - throws when could not save the resized image

resizeImage

public static BufferedImage resizeImage(File imgName,
                                        int type,
                                        int maxWidth,
                                        int maxHeight)
                                 throws IOException

Resizes an image

Parameters:

imgName - The image name to resize. Must be the complete path to the file

maxWidth - The image's max width

maxHeight - The image's max height

Returns:

A resized BufferedImage

Throws:

IOException - If the file is not found

resizeImage

public static BufferedImage resizeImage(Image image,
                                        int type,
                                        int maxWidth,
                                        int maxHeight)

Resizes an image.

Parameters:

image - The image to resize

maxWidth - The image's max width

maxHeight - The image's max height

Returns:

A resized BufferedImage

saveImage

public static boolean saveImage(BufferedImage image,
                                File toFileName,
                                int type)
                         throws IOException

Saves an image to the disk.

Parameters:

image - The image to save

toFileName - The filename to use

type - The image type. Use ImageUtils.IMAGE_JPEG to save as JPEG images, or ImageUtils.IMAGE_PNG to save as PNG.

Returns:

true always

Throws:

IOException - if saving resized image fails.

makeThumb

public static BufferedImage makeThumb(BufferedImage image,
                                      int x,
                                      int y,
                                      int width,
                                      int height,
                                      int size,
                                      int shape)

Create fancy thumb nail of the given image in any given shape in any given dimension.

Returns:

created thumbnail

hasAlpha

public static boolean hasAlpha(Image image)

Determines if the image has transparent pixels.

Parameters:

image - The image to check for transparent pixel.s

Returns:

true of false, according to the result

getImageType

public static int getImageType(BufferedImage image)