Package ch.randelshofer.media.jpeg

Class CMYKJPEGImageReader

java.lang.Object

javax.imageio.ImageReader

ch.randelshofer.media.jpeg.CMYKJPEGImageReader

public class CMYKJPEGImageReader
extends ImageReader

Reads a JPEG image with colors in the CMYK color space.

Constructor Summary

Constructors

Constructor	Description
CMYKJPEGImageReader(CMYKJPEGImageReaderSpi originatingProvider)

Method Summary

Modifier and Type	Method	Description
static BufferedImage	createRGBAImageFromRGBA(Raster rgbaRaster, ICC_Profile rgbaProfile)	Creates a buffered image from a raster in the RGBA color space, converting the colors to RGB using the provided CMYK ICC_Profile.
static BufferedImage	createRGBImageFromCMYK(Raster cmykRaster, ICC_Profile cmykProfile)	Creates a buffered image from a raster in the CMYK color space, converting the colors to RGB using the provided CMYK ICC_Profile.
static BufferedImage	createRGBImageFromInvertedYCCK(Raster ycckRaster, ICC_Profile cmykProfile)	Creates a buffered image from a raster in the inverted YCCK color space, converting the colors to RGB using the provided CMYK ICC_Profile.
static BufferedImage	createRGBImageFromYCCK(Raster ycckRaster, ICC_Profile cmykProfile)	Creates a buffered image from a raster in the YCCK color space, converting the colors to RGB using the provided CMYK ICC_Profile.
int	getHeight(int imageIndex)
IIOMetadata	getImageMetadata(int imageIndex)
Iterator<ImageTypeSpecifier>	getImageTypes(int imageIndex)
int	getNumImages(boolean allowSearch)
IIOMetadata	getStreamMetadata()
int	getWidth(int imageIndex)
boolean	isYCCKInversed()
BufferedImage	read(int imageIndex, ImageReadParam param)
static BufferedImage	read(ImageInputStream in, boolean inverseYCCKColors)
static BufferedImage	readImageFromYUVorGray(ImageInputStream in)	Reads a JPEG image from the provided InputStream.
static BufferedImage	readRGBAImageFromRGBA(InputStream in, ICC_Profile rgbaProfile)	Reads a RGBA JPEG image from the provided InputStream, converting the colors to RGBA using the provided RGBA ICC_Profile.
static BufferedImage	readRGBImageFromCMYK(InputStream in, ICC_Profile cmykProfile)	Reads a CMYK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile.
static BufferedImage	readRGBImageFromInvertedYCCK(InputStream in, ICC_Profile cmykProfile)	Reads an inverted-YCCK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile.
static BufferedImage	readRGBImageFromYCCK(InputStream in, ICC_Profile cmykProfile)	Reads a YCCK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile.
void	setYCCKInversed(boolean newValue)

Methods inherited from class javax.imageio.ImageReader

abort, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, canReadRaster, dispose, getAspectRatio, getAvailableLocales, getDefaultReadParam, getFormatName, getImageMetadata, getInput, getLocale, getMinIndex, getNumThumbnails, getOriginatingProvider, getRawImageType, getStreamMetadata, getThumbnailHeight, getThumbnailWidth, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, hasThumbnails, isIgnoringMetadata, isImageTiled, isRandomAccessEasy, isSeekForwardOnly, read, readAll, readAll, readAsRenderedImage, readerSupportsThumbnails, readRaster, readThumbnail, readTile, readTileRaster, removeAllIIOReadProgressListeners, removeAllIIOReadUpdateListeners, removeAllIIOReadWarningListeners, removeIIOReadProgressListener, removeIIOReadUpdateListener, removeIIOReadWarningListener, reset, setInput, setInput, setInput, setLocale

Methods inherited from class java.lang.Object

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

Constructor Detail

CMYKJPEGImageReader

public CMYKJPEGImageReader(CMYKJPEGImageReaderSpi originatingProvider)

Method Detail

getNumImages

public int getNumImages(boolean allowSearch)
                 throws IOException

Specified by:

getNumImages in class ImageReader

Throws:

IOException

getWidth

public int getWidth(int imageIndex)
             throws IOException

Specified by:

getWidth in class ImageReader

Throws:

IOException

getHeight

public int getHeight(int imageIndex)
              throws IOException

Specified by:

getHeight in class ImageReader

Throws:

IOException

getImageTypes

public Iterator<ImageTypeSpecifier> getImageTypes(int imageIndex)
                                           throws IOException

Specified by:

getImageTypes in class ImageReader

Throws:

IOException

getStreamMetadata

public IIOMetadata getStreamMetadata()
                              throws IOException

Specified by:

getStreamMetadata in class ImageReader

Throws:

IOException

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex)
                             throws IOException

Specified by:

getImageMetadata in class ImageReader

Throws:

IOException

read

public BufferedImage read(int imageIndex,
                          ImageReadParam param)
                   throws IOException

Specified by:

read in class ImageReader

Throws:

IOException

isYCCKInversed

public boolean isYCCKInversed()

Returns:

the YCCKInversed property.

setYCCKInversed

public void setYCCKInversed(boolean newValue)

Parameters:

newValue - the new value

read

public static BufferedImage read(ImageInputStream in,
                                 boolean inverseYCCKColors)
                          throws IOException

Throws:

IOException

readRGBImageFromCMYK

public static BufferedImage readRGBImageFromCMYK(InputStream in,
                                                 ICC_Profile cmykProfile)
                                          throws IOException

Reads a CMYK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile. The image data must be in the CMYK color space.

Use this method, if you have already determined that the input stream contains a CMYK JPEG image.

Parameters:

in - An InputStream, preferably an ImageInputStream, in the JPEG File Interchange Format (JFIF).

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage containing the decoded image converted into the RGB color space.

Throws:

IOException

readRGBAImageFromRGBA

public static BufferedImage readRGBAImageFromRGBA(InputStream in,
                                                  ICC_Profile rgbaProfile)
                                           throws IOException

Reads a RGBA JPEG image from the provided InputStream, converting the colors to RGBA using the provided RGBA ICC_Profile. The image data must be in the RGBA color space.

Use this method, if you have already determined that the input stream contains a RGBA JPEG image.

Parameters:

in - An InputStream, preferably an ImageInputStream, in the JPEG File Interchange Format (JFIF).

rgbaProfile - An ICC_Profile for conversion from the RGBA color space to the RGBA color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage containing the decoded image converted into the RGB color space.

Throws:

IOException

readRGBImageFromYCCK

public static BufferedImage readRGBImageFromYCCK(InputStream in,
                                                 ICC_Profile cmykProfile)
                                          throws IOException

Reads a YCCK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile. The image data must be in the YCCK color space.

Use this method, if you have already determined that the input stream contains a YCCK JPEG image.

Parameters:

in - An InputStream, preferably an ImageInputStream, in the JPEG File Interchange Format (JFIF).

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage containing the decoded image converted into the RGB color space.

Throws:

IOException

readRGBImageFromInvertedYCCK

public static BufferedImage readRGBImageFromInvertedYCCK(InputStream in,
                                                         ICC_Profile cmykProfile)
                                                  throws IOException

Reads an inverted-YCCK JPEG image from the provided InputStream, converting the colors to RGB using the provided CMYK ICC_Profile. The image data must be in the inverted-YCCK color space.

Use this method, if you have already determined that the input stream contains an inverted-YCCK JPEG image.

Parameters:

in - An InputStream, preferably an ImageInputStream, in the JPEG File Interchange Format (JFIF).

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage containing the decoded image converted into the RGB color space.

Throws:

IOException

createRGBImageFromYCCK

public static BufferedImage createRGBImageFromYCCK(Raster ycckRaster,
                                                   ICC_Profile cmykProfile)

Creates a buffered image from a raster in the YCCK color space, converting the colors to RGB using the provided CMYK ICC_Profile.

Parameters:

ycckRaster - A raster with (at least) 4 bands of samples.

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage in the RGB color space.

createRGBImageFromInvertedYCCK

public static BufferedImage createRGBImageFromInvertedYCCK(Raster ycckRaster,
                                                           ICC_Profile cmykProfile)

Creates a buffered image from a raster in the inverted YCCK color space, converting the colors to RGB using the provided CMYK ICC_Profile.

Parameters:

ycckRaster - A raster with (at least) 4 bands of samples.

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage in the RGB color space.

createRGBImageFromCMYK

public static BufferedImage createRGBImageFromCMYK(Raster cmykRaster,
                                                   ICC_Profile cmykProfile)

Creates a buffered image from a raster in the CMYK color space, converting the colors to RGB using the provided CMYK ICC_Profile. As seen from a comment made by 'phelps' at http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4799903

Parameters:

cmykRaster - A raster with (at least) 4 bands of samples.

cmykProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage in the RGB color space.

createRGBAImageFromRGBA

public static BufferedImage createRGBAImageFromRGBA(Raster rgbaRaster,
                                                    ICC_Profile rgbaProfile)

Creates a buffered image from a raster in the RGBA color space, converting the colors to RGB using the provided CMYK ICC_Profile. As seen from a comment made by 'phelps' at http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4799903

Parameters:

rgbaRaster - A raster with (at least) 4 bands of samples.

rgbaProfile - An ICC_Profile for conversion from the CMYK color space to the RGB color space. If this parameter is null, a default profile is used.

Returns:

a BufferedImage in the RGB color space.

readImageFromYUVorGray

public static BufferedImage readImageFromYUVorGray(ImageInputStream in)
                                            throws IOException

Reads a JPEG image from the provided InputStream. The image data must be in the YUV or the Gray color space.

Use this method, if you have already determined that the input stream contains a YUV or Gray JPEG image.

Parameters:

in - An InputStream, preferably an ImageInputStream, in the JPEG File Interchange Format (JFIF).

Returns:

a BufferedImage containing the decoded image converted into the RGB color space.

Throws:

IOException