Package | Description |
---|---|
javax.imageio |
The main package of the Java Image I/O API.
|
javax.imageio.event |
A package of the Java Image I/O API dealing with synchronous
notification of events during the reading and writing of images.
|
javax.imageio.spi |
A package of the Java Image I/O API containing the plug-in interfaces
for readers, writers, transcoders, and streams, and a runtime
registry.
|
Modifier and Type | Method and Description |
---|---|
static ImageReader |
ImageIO.getImageReader(ImageWriter writer)
Returns an
ImageReader corresponding to the given
ImageWriter , if there is one, or null
if the plug-in for this ImageWriter does not
specify a corresponding ImageReader , or if the
given ImageWriter is not registered. |
Modifier and Type | Method and Description |
---|---|
static Iterator<ImageReader> |
ImageIO.getImageReaders(Object input)
Returns an
Iterator containing all currently
registered ImageReader s that claim to be able to
decode the supplied Object , typically an
ImageInputStream . |
static Iterator<ImageReader> |
ImageIO.getImageReadersByFormatName(String formatName)
Returns an
Iterator containing all currently
registered ImageReader s that claim to be able to
decode the named format. |
static Iterator<ImageReader> |
ImageIO.getImageReadersByMIMEType(String MIMEType)
Returns an
Iterator containing all currently
registered ImageReader s that claim to be able to
decode files with the given MIME type. |
static Iterator<ImageReader> |
ImageIO.getImageReadersBySuffix(String fileSuffix)
Returns an
Iterator containing all currently
registered ImageReader s that claim to be able to
decode files with the given suffix. |
Modifier and Type | Method and Description |
---|---|
static Iterator<ImageTranscoder> |
ImageIO.getImageTranscoders(ImageReader reader,
ImageWriter writer)
Returns an
Iterator containing all currently
registered ImageTranscoder s that claim to be
able to transcode between the metadata of the given
ImageReader and ImageWriter . |
static ImageWriter |
ImageIO.getImageWriter(ImageReader reader)
Returns an
ImageWriter corresponding to the given
ImageReader , if there is one, or null
if the plug-in for this ImageReader does not
specify a corresponding ImageWriter , or if the
given ImageReader is not registered. |
Modifier and Type | Method and Description |
---|---|
void |
IIOReadProgressListener.imageComplete(ImageReader source)
Reports that the current image read operation has completed.
|
void |
IIOReadProgressListener.imageProgress(ImageReader source,
float percentageDone)
Reports the approximate degree of completion of the current
read call of the associated
ImageReader . |
void |
IIOReadProgressListener.imageStarted(ImageReader source,
int imageIndex)
Reports that an image read operation is beginning.
|
void |
IIOReadUpdateListener.imageUpdate(ImageReader source,
BufferedImage theImage,
int minX,
int minY,
int width,
int height,
int periodX,
int periodY,
int[] bands)
Reports that a given region of the image has been updated.
|
void |
IIOReadUpdateListener.passComplete(ImageReader source,
BufferedImage theImage)
Reports that the current read operation has completed a
progressive pass.
|
void |
IIOReadUpdateListener.passStarted(ImageReader source,
BufferedImage theImage,
int pass,
int minPass,
int maxPass,
int minX,
int minY,
int periodX,
int periodY,
int[] bands)
Reports that the current read operation is about to begin a
progressive pass.
|
void |
IIOReadProgressListener.readAborted(ImageReader source)
Reports that a read has been aborted via the reader's
abort method. |
void |
IIOReadProgressListener.sequenceComplete(ImageReader source)
Reports that a sequence of read operations has completed.
|
void |
IIOReadProgressListener.sequenceStarted(ImageReader source,
int minIndex)
Reports that a sequence of read operations is beginning.
|
void |
IIOReadProgressListener.thumbnailComplete(ImageReader source)
Reports that a thumbnail read operation has completed.
|
void |
IIOReadUpdateListener.thumbnailPassComplete(ImageReader source,
BufferedImage theThumbnail)
Reports that the current thumbnail read operation has completed
a progressive pass.
|
void |
IIOReadUpdateListener.thumbnailPassStarted(ImageReader source,
BufferedImage theThumbnail,
int pass,
int minPass,
int maxPass,
int minX,
int minY,
int periodX,
int periodY,
int[] bands)
Reports that the current thumbnail read operation is about to
begin a progressive pass.
|
void |
IIOReadProgressListener.thumbnailProgress(ImageReader source,
float percentageDone)
Reports the approximate degree of completion of the current
getThumbnail call within the associated
ImageReader . |
void |
IIOReadProgressListener.thumbnailStarted(ImageReader source,
int imageIndex,
int thumbnailIndex)
Reports that a thumbnail read operation is beginning.
|
void |
IIOReadUpdateListener.thumbnailUpdate(ImageReader source,
BufferedImage theThumbnail,
int minX,
int minY,
int width,
int height,
int periodX,
int periodY,
int[] bands)
Reports that a given region of a thumbnail image has been updated.
|
void |
IIOReadWarningListener.warningOccurred(ImageReader source,
String warning)
Reports the occurrence of a non-fatal error in decoding.
|
Modifier and Type | Method and Description |
---|---|
ImageReader |
ImageReaderSpi.createReaderInstance()
Returns an instance of the
ImageReader
implementation associated with this service provider. |
abstract ImageReader |
ImageReaderSpi.createReaderInstance(Object extension)
Returns an instance of the
ImageReader
implementation associated with this service provider. |
Modifier and Type | Method and Description |
---|---|
boolean |
ImageReaderSpi.isOwnReader(ImageReader reader)
Returns
true if the ImageReader object
passed in is an instance of the ImageReader
associated with this service provider. |
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