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/* ImageWriter.java -- Encodes raster images. |
/* ImageWriter.java -- Encodes raster images. |
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Copyright (C) 2004 Free Software Foundation, Inc. |
Copyright (C) 2004 Free Software Foundation, Inc. |
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This file is part of GNU Classpath. |
This file is part of GNU Classpath. |
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package javax.imageio; |
package javax.imageio; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Locale; |
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import javax.imageio.event.IIOWriteProgressListener; |
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import javax.imageio.event.IIOWriteWarningListener; |
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import javax.imageio.metadata.IIOMetadata; |
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import javax.imageio.spi.ImageWriterSpi; |
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public abstract class ImageWriter |
public abstract class ImageWriter |
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implements ImageTranscoder |
implements ImageTranscoder |
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{ |
{ |
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// FIXME: Incomplete. This class is merely present in order to allow |
protected Locale[] availableLocales; |
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// compilation of the javax.imageio.spi package, for which GNU |
protected Locale locale; |
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// Classpath does provide an implementation. |
protected ImageWriterSpi originatingProvider; |
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protected Object output; |
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protected List progressListeners; |
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protected List warningListeners; |
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protected List warningLocales; |
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protected ImageWriter(ImageWriterSpi originatingProvider) |
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{ |
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this.originatingProvider = originatingProvider; |
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} |
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public void addIIOWriteProgressListener(IIOWriteProgressListener listener) |
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{ |
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if (listener == null) |
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return; |
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progressListeners.add(listener); |
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} |
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public void addIIOWriteWarningListener (IIOWriteWarningListener listener) |
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{ |
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if (listener == null) |
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return; |
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warningListeners.add(listener); |
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} |
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public Locale[] getAvailableLocales() |
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{ |
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return availableLocales; |
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} |
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public abstract IIOMetadata getDefaultImageMetadata (ImageTypeSpecifier imageType, ImageWriteParam param); |
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public abstract IIOMetadata getDefaultStreamMetadata (ImageWriteParam param); |
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public Locale getLocale() |
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{ |
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return locale; |
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} |
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public ImageWriterSpi getOriginatingProvider() |
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{ |
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return originatingProvider; |
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} |
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protected void processImageComplete() |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.imageComplete(this); |
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} |
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} |
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protected void processImageProgress(float percentageDone) |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.imageProgress(this, percentageDone); |
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} |
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} |
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protected void processImageStarted(int imageIndex) |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.imageStarted(this, imageIndex); |
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} |
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} |
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protected void processThumbnailComplete() |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.thumbnailComplete(this); |
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} |
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} |
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protected void processThumbnailProgress(float percentageDone) |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.thumbnailProgress(this, percentageDone); |
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} |
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} |
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protected void processThumbnailStarted(int imageIndex, int thumbnailIndex) |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.thumbnailStarted(this, imageIndex, thumbnailIndex); |
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} |
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} |
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protected void processWarningOccurred(int imageIndex, String warning) |
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{ |
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Iterator it = warningListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteWarningListener listener = (IIOWriteWarningListener) it.next(); |
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listener.warningOccurred(this, imageIndex, warning); |
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} |
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} |
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protected void processWriteAborted() |
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{ |
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Iterator it = progressListeners.iterator(); |
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while (it.hasNext()) |
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{ |
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IIOWriteProgressListener listener = (IIOWriteProgressListener) it.next(); |
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listener.writeAborted(this); |
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} |
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} |
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public void removeAllIIOWriteProgressListeners() |
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{ |
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progressListeners.clear(); |
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} |
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public void removeAllIIOWriteWarningListeners() |
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{ |
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progressListeners.clear(); |
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} |
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public void removeIIOWriteProgressListener (IIOWriteProgressListener listener) |
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{ |
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if (listener == null) |
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return; |
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progressListeners.remove(listener); |
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} |
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public void removeIIOWriteWarningListener (IIOWriteWarningListener listener) |
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{ |
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if (listener == null) |
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return; |
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warningListeners.remove(listener); |
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} |
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} |
} |