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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.image.io

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

javax.imageio .ImageWriter

org.geotools.image.io .GeographicImageWriter

org.geotools.image.io .StreamImageWriter

All known Subclasses:   org.geotools.image.io.text .TextImageWriter,
StreamImageWriter
abstract public class StreamImageWriter extends GeographicImageWriter (Code)
Base class for simple image encoders. This class provides a StreamImageWriter.getOutputStream method, which returns the as an OutputStream for convenience. Different kinds of output like or are automatically handled.
since:
   2.4
version:
   $Id: StreamImageWriter.java 27848 2007-11-12 13:10:32Z desruisseaux $
author:
   Martin Desruisseaux

Inner Class :abstract public static class Spi extends ImageWriterSpi

Field Summary
protected Object closeOnReset
     The stream to on StreamImageWriter.setOutput , StreamImageWriter.reset or StreamImageWriter.dispose method invocation.

Constructor Summary
protected StreamImageWriter(ImageWriterSpi provider)
     Constructs a new image writer.

Method Summary
protected void close()
     Closes the output stream created by StreamImageWriter.getOutputStream() .
public void dispose()
     Allows any resources held by this writer to be released.
protected void finalize()
     Closes the streams.
protected OutputStream getOutputStream()
     Returns the as an object. If the output is already an output stream, it is returned unchanged.
public void reset()
     Restores the StreamImageWriter to its initial state.
public void setOutput(Object output)
     Sets the output source to use.

Field Detail
closeOnReset
protected Object closeOnReset(Code)
The stream to on StreamImageWriter.setOutput , StreamImageWriter.reset or StreamImageWriter.dispose method invocation. This stream is typically an or a created by StreamImageWriter.getOutputStream or similar methods in subclasses.
This field is never equals to the user-specified , since the usual ImageWriter contract is to not close the user-provided stream. It is set to a non-null value only if a stream has been created from an other user object like File or URL .
See Also:   StreamImageWriter.getOutputStream
See Also:   org.geotools.image.io.text.TextImageWriter.getWriter
See Also:   StreamImageWriter.closeCloseable

Constructor Detail
StreamImageWriter
protected StreamImageWriter(ImageWriterSpi provider)(Code)
Constructs a new image writer.
Parameters:
  provider - The ImageWriterSpi that is invoking this constructor,or null if none.

Method Detail
close
protected void close() throws IOException(Code)
Closes the output stream created by StreamImageWriter.getOutputStream() . This method does nothing if the output stream is the instance given by the user rather than a stream created by this class from a File or URL output.
This method is invoked automatically by StreamImageWriter.setOutput , StreamImageWriter.reset , StreamImageWriter.dispose or StreamImageWriter.finalize methods and doesn't need to be invoked explicitly. It has protected access only in order to allow overriding by subclasses.
throws:
  IOException - if an error occured while closing the stream.
See Also:   StreamImageWriter.closeOnReset

dispose
public void dispose()(Code)
Allows any resources held by this writer to be released. If an output stream were created by a previous call to StreamImageWriter.getOutputStream , it will be before to dispose this writer.

finalize
protected void finalize() throws Throwable(Code)
Closes the streams. This method is automatically invoked by the garbage collector.

getOutputStream
protected OutputStream getOutputStream() throws IllegalStateException, IOException(Code)
Returns the as an object. If the output is already an output stream, it is returned unchanged. Otherwise this method creates a new (usually not ) from File , URL , URLConnection or ImageOutputStream outputs.
This method creates a new only when first invoked. All subsequent calls will returns the same instance. Consequently, the returned stream should never be closed by the caller. It may be automatically when StreamImageWriter.setOutput , StreamImageWriter.reset() or StreamImageWriter.dispose() methods are invoked. StreamImageWriter.getOutput as an OutputStream. This output stream is usuallynot .
throws:
  IllegalStateException - if the is not set.
throws:
  IOException - If the output stream can't be created for an other reason.
See Also:   StreamImageWriter.getOutput
See Also:   org.geotools.image.io.text.TextImageWriter.getWriter

reset
public void reset()(Code)
Restores the StreamImageWriter to its initial state. If an output stream were created by a previous call to StreamImageWriter.getOutputStream , it will be before to reset this writer.

setOutput
public void setOutput(Object output)(Code)
Sets the output source to use. Output may be one of the following object: File , URL , Writer (for ASCII data), OutputStream or ImageOutputStream . If output is null , then any currently set output source will be removed.
Parameters:
  output - The output object to use for future writing.
See Also:   StreamImageWriter.getOutput
See Also:   StreamImageWriter.getOutputStream

Fields inherited from org.geotools.image.io.GeographicImageWriter
final static Logger LOGGER(Code)(Java Doc)

Methods inherited from org.geotools.image.io.GeographicImageWriter
public boolean canWriteRasters()(Code)(Java Doc)
void close() throws IOException(Code)(Java Doc)
protected static ImageDimension computeSize(IIOImage image, ImageWriteParam parameters)(Code)(Java Doc)
public IIOMetadata convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param)(Code)(Java Doc)
public IIOMetadata convertStreamMetadata(IIOMetadata inData, ImageWriteParam param)(Code)(Java Doc)
protected static RectIter createRectIter(IIOImage image, ImageWriteParam parameters)(Code)(Java Doc)
public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType, ImageWriteParam param)(Code)(Java Doc)
public IIOMetadata getDefaultStreamMetadata(ImageWriteParam param)(Code)(Java Doc)
final IndexedResourceBundle getErrorResources()(Code)(Java Doc)
protected void processImageComplete()(Code)(Java Doc)
protected void processImageStarted()(Code)(Java Doc)
protected void processThumbnailComplete()(Code)(Java Doc)
protected void processThumbnailStarted()(Code)(Java Doc)
protected void processWarningOccurred(String warning)(Code)(Java Doc)
protected void processWarningOccurred(String baseName, String keyword)(Code)(Java Doc)
public void setOutput(Object output)(Code)(Java Doc)
public void warningOccurred(LogRecord record)(Code)(Java Doc)

Fields inherited from javax.imageio.ImageWriter
protected Locale[] availableLocales(Code)(Java Doc)
protected Locale locale(Code)(Java Doc)
protected ImageWriterSpi originatingProvider(Code)(Java Doc)
protected Object output(Code)(Java Doc)
protected List<IIOWriteProgressListener> progressListeners(Code)(Java Doc)
protected List<IIOWriteWarningListener> warningListeners(Code)(Java Doc)
protected List<Locale> warningLocales(Code)(Java Doc)

Methods inherited from javax.imageio.ImageWriter
public synchronized void abort()(Code)(Java Doc)
protected synchronized boolean abortRequested()(Code)(Java Doc)
public void addIIOWriteProgressListener(IIOWriteProgressListener listener)(Code)(Java Doc)
public void addIIOWriteWarningListener(IIOWriteWarningListener listener)(Code)(Java Doc)
public boolean canInsertEmpty(int imageIndex) throws IOException(Code)(Java Doc)
public boolean canInsertImage(int imageIndex) throws IOException(Code)(Java Doc)
public boolean canRemoveImage(int imageIndex) throws IOException(Code)(Java Doc)
public boolean canReplaceImageMetadata(int imageIndex) throws IOException(Code)(Java Doc)
public boolean canReplacePixels(int imageIndex) throws IOException(Code)(Java Doc)
public boolean canReplaceStreamMetadata() throws IOException(Code)(Java Doc)
public boolean canWriteEmpty() throws IOException(Code)(Java Doc)
public boolean canWriteRasters()(Code)(Java Doc)
public boolean canWriteSequence()(Code)(Java Doc)
protected synchronized void clearAbortRequest()(Code)(Java Doc)
abstract public IIOMetadata convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param)(Code)(Java Doc)
abstract public IIOMetadata convertStreamMetadata(IIOMetadata inData, ImageWriteParam param)(Code)(Java Doc)
public void dispose()(Code)(Java Doc)
public void endInsertEmpty() throws IOException(Code)(Java Doc)
public void endReplacePixels() throws IOException(Code)(Java Doc)
public void endWriteEmpty() throws IOException(Code)(Java Doc)
public void endWriteSequence() throws IOException(Code)(Java Doc)
public Locale[] getAvailableLocales()(Code)(Java Doc)
abstract public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType, ImageWriteParam param)(Code)(Java Doc)
abstract public IIOMetadata getDefaultStreamMetadata(ImageWriteParam param)(Code)(Java Doc)
public ImageWriteParam getDefaultWriteParam()(Code)(Java Doc)
public Locale getLocale()(Code)(Java Doc)
public int getNumThumbnailsSupported(ImageTypeSpecifier imageType, ImageWriteParam param, IIOMetadata streamMetadata, IIOMetadata imageMetadata)(Code)(Java Doc)
public ImageWriterSpi getOriginatingProvider()(Code)(Java Doc)
public Object getOutput()(Code)(Java Doc)
public Dimension[] getPreferredThumbnailSizes(ImageTypeSpecifier imageType, ImageWriteParam param, IIOMetadata streamMetadata, IIOMetadata imageMetadata)(Code)(Java Doc)
public void prepareInsertEmpty(int imageIndex, ImageTypeSpecifier imageType, int width, int height, IIOMetadata imageMetadata, List<? extends BufferedImage> thumbnails, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void prepareReplacePixels(int imageIndex, Rectangle region) throws IOException(Code)(Java Doc)
public void prepareWriteEmpty(IIOMetadata streamMetadata, ImageTypeSpecifier imageType, int width, int height, IIOMetadata imageMetadata, List<? extends BufferedImage> thumbnails, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void prepareWriteSequence(IIOMetadata streamMetadata) throws IOException(Code)(Java Doc)
protected void processImageComplete()(Code)(Java Doc)
protected void processImageProgress(float percentageDone)(Code)(Java Doc)
protected void processImageStarted(int imageIndex)(Code)(Java Doc)
protected void processThumbnailComplete()(Code)(Java Doc)
protected void processThumbnailProgress(float percentageDone)(Code)(Java Doc)
protected void processThumbnailStarted(int imageIndex, int thumbnailIndex)(Code)(Java Doc)
protected void processWarningOccurred(int imageIndex, String warning)(Code)(Java Doc)
protected void processWarningOccurred(int imageIndex, String baseName, String keyword)(Code)(Java Doc)
protected void processWriteAborted()(Code)(Java Doc)
public void removeAllIIOWriteProgressListeners()(Code)(Java Doc)
public void removeAllIIOWriteWarningListeners()(Code)(Java Doc)
public void removeIIOWriteProgressListener(IIOWriteProgressListener listener)(Code)(Java Doc)
public void removeIIOWriteWarningListener(IIOWriteWarningListener listener)(Code)(Java Doc)
public void removeImage(int imageIndex) throws IOException(Code)(Java Doc)
public void replaceImageMetadata(int imageIndex, IIOMetadata imageMetadata) throws IOException(Code)(Java Doc)
public void replacePixels(RenderedImage image, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void replacePixels(Raster raster, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void replaceStreamMetadata(IIOMetadata streamMetadata) throws IOException(Code)(Java Doc)
public void reset()(Code)(Java Doc)
public void setLocale(Locale locale)(Code)(Java Doc)
public void setOutput(Object output)(Code)(Java Doc)
abstract public void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void write(IIOImage image) throws IOException(Code)(Java Doc)
public void write(RenderedImage image) throws IOException(Code)(Java Doc)
public void writeInsert(int imageIndex, IIOImage image, ImageWriteParam param) throws IOException(Code)(Java Doc)
public void writeToSequence(IIOImage image, ImageWriteParam param) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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