Class ICNSImageReader

java.lang.Object

javax.imageio.ImageReader

com.twelvemonkeys.imageio.ImageReaderBase

com.twelvemonkeys.imageio.plugins.icns.ICNSImageReader

public final class ICNSImageReader
extends ImageReaderBase

ImageReader for Apple Icon Image (ICNS) format.

Version:

$Id: ICNSImageReader.java,v 1.0 25.10.11 18:42 haraldk Exp$

See Also:

• Macintosh Icons
• Apple Icon Image format (Wikipedia)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	ICNSImageReader.ICNSBitMaskColorModel

Field Summary

Fields

Modifier and Type	Field	Description
private final List<IconResource>	icons
private IconResource	lastResourceRead
private int	length
private final List<IconResource>	masks

Fields inherited from class ImageReaderBase

imageInput

Fields inherited from class ImageReader

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

Constructor Summary

Constructors

Constructor	Description
ICNSImageReader()
ICNSImageReader(ImageReaderSpi provider)

Method Summary

Modifier and Type	Method	Description
private void	addResource(IconResource resource)
private static int[]	createBandOffsets(int bandLen)
private IconResource	findMaskResource(IconResource iconResource)
private String	getForeignFormat(ImageInputStream stream)
int	getHeight(int imageIndex)
IIOMetadata	getImageMetadata(int imageIndex)	Default implementation that always returns null.
Iterator<ImageTypeSpecifier>	getImageTypes(int imageIndex)
int	getNumImages(boolean allowSearch)	Default implementation that always returns 1.
ImageTypeSpecifier	getRawImageType(int imageIndex)
int	getWidth(int imageIndex)
static void	main(String[] args)
BufferedImage	read(int imageIndex, ImageReadParam param)
private void	readeFileHeader()
private BufferedImage	readForeignFormat(int imageIndex, ImageReadParam param, IconResource resource)
private BufferedImage	readICNSFormat(int imageIndex, ImageReadParam param, IconResource resource)
private IconResource	readIconResource(int imageIndex)
private Raster	readMask(IconResource resource)
private IconResource	readNextIconResource()
protected void	resetMembers()	Resets all member variables.

Methods inherited from class ImageReaderBase

assertInput, checkBounds, dispose, fakeAOI, fakeSubsampling, getDestination, getStreamMetadata, hasExplicitDestination, reset, setInput, showIt

Methods inherited from class ImageReader

abort, abortRequested, addIIOReadProgressListener, addIIOReadUpdateListener, addIIOReadWarningListener, canReadRaster, checkReadParamBandSettings, clearAbortRequest, computeRegions, getAspectRatio, getAvailableLocales, getDefaultReadParam, getFormatName, getImageMetadata, getInput, getLocale, getMinIndex, getNumThumbnails, getOriginatingProvider, 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, setInput, setInput, setLocale

Methods inherited from class Object

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

Field Details

icons

private final List<IconResource> icons

masks

private final List<IconResource> masks

lastResourceRead

private IconResource lastResourceRead

length

private int length

Constructor Details

ICNSImageReader

public ICNSImageReader()

ICNSImageReader

ICNSImageReader(ImageReaderSpi provider)

Method Details

resetMembers

protected void resetMembers()

Description copied from class: ImageReaderBase

Resets all member variables. This method is by default invoked from:

• ImageReaderBase.setInput(Object, boolean, boolean)
• ImageReaderBase.dispose()
• ImageReaderBase.reset()

Specified by:

resetMembers in class ImageReaderBase

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

getRawImageType

public ImageTypeSpecifier getRawImageType(int imageIndex)
                                   throws IOException

Overrides:

getRawImageType in class ImageReader

Throws:

IOException

createBandOffsets

private static int[] createBandOffsets(int bandLen)

getImageTypes

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

Specified by:

getImageTypes in class ImageReader

Throws:

IOException

getNumImages

public int getNumImages(boolean allowSearch)
                 throws IOException

Description copied from class: ImageReaderBase

Default implementation that always returns 1.

Overrides:

getNumImages in class ImageReaderBase

Parameters:

allowSearch - ignored, unless overridden

Returns:

1, unless overridden

Throws:

IOException - never, unless overridden

read

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

Specified by:

read in class ImageReader

Throws:

IOException

readICNSFormat

private BufferedImage readICNSFormat(int imageIndex,
 ImageReadParam param,
 IconResource resource)
                              throws IOException

Throws:

IOException

readMask

private Raster readMask(IconResource resource)
                 throws IOException

Throws:

IOException

findMaskResource

private IconResource findMaskResource(IconResource iconResource)
                               throws IOException

Throws:

IOException

readForeignFormat

private BufferedImage readForeignFormat(int imageIndex,
 ImageReadParam param,
 IconResource resource)
                                 throws IOException

Throws:

IOException

getForeignFormat

private String getForeignFormat(ImageInputStream stream)
                         throws IOException

Throws:

IOException

readIconResource

private IconResource readIconResource(int imageIndex)
                               throws IOException

Throws:

IOException

readNextIconResource

private IconResource readNextIconResource()
                                   throws IOException

Throws:

IOException

addResource

private void addResource(IconResource resource)

readeFileHeader

private void readeFileHeader()
                      throws IOException

Throws:

IOException

getImageMetadata

public IIOMetadata getImageMetadata(int imageIndex)
                             throws IOException

Description copied from class: ImageReaderBase

Default implementation that always returns null.

Overrides:

getImageMetadata in class ImageReaderBase

Parameters:

imageIndex - ignored, unless overridden

Returns:

null, unless overridden

Throws:

IOException - never, unless overridden.

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException