Package org.aoju.bus.image.nimble.opencv

Class NativeImageReader

java.lang.Object

javax.imageio.ImageReader

org.aoju.bus.image.nimble.opencv.NativeImageReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class NativeImageReader
extends ImageReader
implements Closeable

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields inherited from class javax.imageio.ImageReader

availableLocales, ignoreMetadata, input, locale, minIndex, originatingProvider, progressListeners, seekForwardOnly, updateListeners, warningListeners, warningLocales

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	NativeImageReader(ImageReaderSpi originatingProvider, boolean canEncodeSigned)

Method Summary

Modifier and Type	Method	Description
ImageParameters	buildImage(ImageInputStream iis)
void	close()
static void	closeMat(org.opencv.core.Mat mat)
protected static final ImageTypeSpecifier	createImageType(ImageParameters params, ColorSpace colorSpace, byte[] redPalette, byte[] greenPalette, byte[] bluePalette, byte[] alphaPalette)
protected static final ImageTypeSpecifier	createImageType(ImageParameters params, ColorModel colorModel)
void	dispose()
int	getHeight(int frameIndex)
IIOMetadata	getImageMetadata(int imageIndex)
Iterator<ImageTypeSpecifier>	getImageTypes(int frameIndex)
PlanarImage	getNativeImage(ImageReadParam param)
int	getNumImages(boolean allowSearch)
protected static SOFSegment	getSOF(ImageInputStream iis, boolean jfif, int marker)
static SOFSegment	getSOFSegment(ImageInputStream iis)
IIOMetadata	getStreamMetadata()
int	getWidth(int frameIndex)
BufferedImage	read(int imageIndex, ImageReadParam param)
void	setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata)

Methods inherited from class javax.imageio.ImageReader

abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, canReadRaster, checkReadParamBandSettings, clearAbortRequest, computeRegions, getAspectRatio, getAvailableLocales, getDefaultReadParam, getDestination, getFormatName, getImageMetadata, getInput, getLocale, getMinIndex, getNumThumbnails, getOriginatingProvider, getRawImageType, getSourceRegion, getStreamMetadata, getThumbnailHeight, getThumbnailWidth, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, hasThumbnails, isIgnoringMetadata, isImageTiled, isRandomAccessEasy, isSeekForwardOnly, processImageComplete, processImageProgress, processImageStarted, processImageUpdate, processPassComplete, processPassStarted, processReadAborted, processSequenceComplete, processSequenceStarted, processThumbnailComplete, processThumbnailPassComplete, processThumbnailPassStarted, processThumbnailProgress, processThumbnailStarted, processThumbnailUpdate, processWarningOccurred, processWarningOccurred, read, readAll, readAll, readAsRenderedImage, readerSupportsThumbnails, readRaster, readThumbnail, readTile, readTileRaster, removeAllIIOReadProgressListeners, removeAllIIOReadUpdateListeners, removeAllIIOReadWarningListeners, removeIIOReadProgressListener, removeIIOReadUpdateListener, removeIIOReadWarningListener, reset, setInput, setInput, setLocale

Methods inherited from class java.lang.Object

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

Constructor Details

NativeImageReader

protected NativeImageReader(ImageReaderSpi originatingProvider,
 boolean canEncodeSigned)

Method Details

createImageType

protected static final ImageTypeSpecifier createImageType(ImageParameters params,
 ColorSpace colorSpace,
 byte[] redPalette,
 byte[] greenPalette,
 byte[] bluePalette,
 byte[] alphaPalette)
                                                   throws IOException

Throws:

IOException

createImageType

protected static final ImageTypeSpecifier createImageType(ImageParameters params,
 ColorModel colorModel)

closeMat

public static void closeMat(org.opencv.core.Mat mat)

getSOFSegment

public static SOFSegment getSOFSegment(ImageInputStream iis)
                                throws IOException

Throws:

IOException

getSOF

protected static SOFSegment getSOF(ImageInputStream iis,
 boolean jfif,
 int marker)
                            throws IOException

Throws:

IOException

dispose

public void dispose()

Overrides:

dispose in class ImageReader

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

setInput

public void setInput(Object input,
 boolean seekForwardOnly,
 boolean ignoreMetadata)

Overrides:

setInput in class ImageReader

getNumImages

public int getNumImages(boolean allowSearch)

Specified by:

getNumImages in class ImageReader

getWidth

public int getWidth(int frameIndex)

Specified by:

getWidth in class ImageReader

getHeight

public int getHeight(int frameIndex)

Specified by:

getHeight in class ImageReader

getImageTypes

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

Specified by:

getImageTypes in class ImageReader

Throws:

IOException

getStreamMetadata

public IIOMetadata getStreamMetadata()

Specified by:

getStreamMetadata in class ImageReader

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex)

Specified by:

getImageMetadata in class ImageReader

read

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

Specified by:

read in class ImageReader

Throws:

IOException

buildImage

public ImageParameters buildImage(ImageInputStream iis)
                           throws IOException

Throws:

IOException

getNativeImage

public PlanarImage getNativeImage(ImageReadParam param)
                           throws IOException

Throws:

IOException