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author | Mark Wielaard <mark@gcc.gnu.org> | 2004-11-06 18:09:00 +0000 |
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committer | Mark Wielaard <mark@gcc.gnu.org> | 2004-11-06 18:09:00 +0000 |
commit | 6c56bdc2faced04b598b5d2a88e11bed6d67bd0c (patch) | |
tree | 9540c8ff7414ddaee88ad1c8b7d570e68bfa8b89 /libjava/javax/imageio/ImageReader.java | |
parent | bb05e3410cddd9bb2fad83ced5004c38626db220 (diff) | |
download | gcc-6c56bdc2faced04b598b5d2a88e11bed6d67bd0c.zip gcc-6c56bdc2faced04b598b5d2a88e11bed6d67bd0c.tar.gz gcc-6c56bdc2faced04b598b5d2a88e11bed6d67bd0c.tar.bz2 |
[multiple changes]
2004-11-06 Mark Wielaard <mark@klomp.org>
* Makefile.am: Add new javax.imageio files.
* Makefile.in: Regenerated.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/event/IIOReadProgressListener.java,
javax/imageio/event/IIOReadUpdateListener.java,
javax/imageio/event/IIOReadWarningListener.java,
javax/imageio/event/IIOWriteProgressListener.java,
javax/imageio/event/IIOWriteWarningListener.java,
javax/imageio/metadata/IIOMetadataFormat.java,
javax/imageio/stream/FileCacheImageInputStream.java,
javax/imageio/stream/FileCacheImageOutputStream.java,
javax/imageio/stream/ImageInputStreamImpl.java:
Import cleanup.
* javax/imageio/metadata/package.html: New file.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/spi/ImageReaderSpi.java
(isOwnReader): New method.
* javax/imageio/spi/ImageWriterSpi.java
(isOwnWriter): Likewise.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageWriter.java
(convertImageMetadata): New abstract method.
(convertStreamMetadata): Likewise.
(write): Likewise.
* javax/imageio/stream/FileCacheImageInputStream.java
(close): Fixed setting of stream to null.
(checkStreamClosed): Throws IOException.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/stream/FileCacheImageInputStream.java,
javax/imageio/stream/FileCacheImageOutputStream.java,
javax/imageio/stream/FileImageInputStream.java,
javax/imageio/stream/FileImageOutputStream.java,
javax/imageio/stream/MemoryCacheImageInputStream.java,
javax/imageio/stream/MemoryCacheImageOutputStream.java:
New files.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/metadata/IIOInvalidTreeException.java,
javax/imageio/metadata/IIOMetadataFormatImpl.java,
javax/imageio/metadata/IIOMetadataNode.java:
New stub files.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/stream/ImageInputStreamImpl.java,
javax/imageio/stream/ImageOutputStreamImpl.java:
New files.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageIO.java:
Added much new methods.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageReader.java,
javax/imageio/ImageWriter.java,
javax/imageio/spi/ImageWriterSpi.java:
Add SOME new methods.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/IIOParam.java,
javax/imageio/ImageReadParam.java,
javax/imageio/ImageReader.java,
javax/imageio/ImageWriter.java:
Mostly implemented.
* javax/imageio/spi/ImageReaderSpi.java,
javax/imageio/spi/ImageWriterSpi.java:
New files.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageWriteParam.java,
javax/imageio/metadata/IIOMetadataFormat.java:
Implemented.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageTypeSpecifier.java:
Mostly implemented.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/metadata/IIOMetadata.java:
Mostly implemented.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/IIOImage.java,
javax/imageio/ImageReadParam.java,
javax/imageio/metadata/IIOMetadataController.java,
javax/imageio/metadata/IIOMetadataFormat.java:
New files.
* javax/imageio/stream/ImageOutputStream.java:
Implemented.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/IIOParam.java,
javax/imageio/IIOParamController.java,
javax/imageio/ImageTypeSpecifier.java,
javax/imageio/ImageWriteParam.java,
javax/imageio/metadata/IIOMetadata.java:
New files.
* javax/imageio/ImageTranscoder.java:
Implemented.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/spi/ImageInputStreamSpi.java,
javax/imageio/spi/ImageOutputStreamSpi.java:
Reworked import startments.
* javax/imageio/spi/ServiceRegistry.java:
Reworked import startments. Fixed XHTML in javadocs.
(ServiceRegistry): Added @param tag to javadoc.
* javax/imageio/stream/ImageInputStream.java
(mark): Doesn't throws IOException;
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/ImageIO.java:
New file.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/spi/IIORegistry.java
(static): Don't register ImageReaderSpi.class and
ImageWriterSpi.class yet.
2004-11-06 Michael Koch <konqueror@gmx.de>
* javax/imageio/spi/IIORegistry.java:
New file.
From-SVN: r90181
Diffstat (limited to 'libjava/javax/imageio/ImageReader.java')
-rw-r--r-- | libjava/javax/imageio/ImageReader.java | 481 |
1 files changed, 477 insertions, 4 deletions
diff --git a/libjava/javax/imageio/ImageReader.java b/libjava/javax/imageio/ImageReader.java index 75ae9ad..91cb53c 100644 --- a/libjava/javax/imageio/ImageReader.java +++ b/libjava/javax/imageio/ImageReader.java @@ -1,5 +1,5 @@ /* ImageReader.java -- Decodes raster images. - Copyright (C) 2004 Free Software Foundation, Inc. + Copyright (C) 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,9 +38,482 @@ exception statement from your version. */ package javax.imageio; +import java.awt.image.BufferedImage; +import java.awt.image.Raster; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.Locale; + +import javax.imageio.event.IIOReadProgressListener; +import javax.imageio.event.IIOReadUpdateListener; +import javax.imageio.event.IIOReadWarningListener; +import javax.imageio.metadata.IIOMetadata; +import javax.imageio.spi.ImageReaderSpi; + public abstract class ImageReader { - // FIXME: Incomplete. This class is merely present in order to allow - // compilation of the javax.imageio.spi package, for which GNU - // Classpath does provide an implementation. + private boolean aborted; + + protected Locale[] availableLocales; + protected boolean ignoreMetadata; + protected Object input; + protected Locale locale; + protected int minIndex; + protected ImageReaderSpi originatingProvider; + protected List progressListeners; + protected boolean seekForwardOnly; + protected List updateListeners = new ArrayList(); + protected List warningListeners = new ArrayList(); + protected List warningLocales = new ArrayList(); + + protected ImageReader(ImageReaderSpi originatingProvider) + { + this.originatingProvider = originatingProvider; + } + + public void abort() + { + aborted = true; + } + + protected boolean abortRequested() + { + return aborted; + } + + public void addIIOReadProgressListener(IIOReadProgressListener listener) + { + if (listener == null) + return; + + progressListeners.add(listener); + } + + public void addIIOReadUpdateListener(IIOReadUpdateListener listener) + { + if (listener == null) + return; + + updateListeners.add(listener); + } + + public void addIIOReadWarningListener(IIOReadWarningListener listener) + { + if (listener == null) + return; + + warningListeners.add(listener); + } + + public boolean canReadRaster() + { + return false; + } + + protected void clearAbortRequest() + { + aborted = false; + } + + public void dispose() + { + // The default implementation does nothing. + } + + public float getAspectRatio(int imageIndex) + throws IOException + { + return (float) (getWidth(imageIndex) / getHeight(imageIndex)); + } + + public Locale[] getAvailableLocales() + { + if (availableLocales == null) + return null; + + return (Locale[]) availableLocales.clone(); + } + + public ImageReadParam getDefaultReadParam() + { + return new ImageReadParam(); + } + + public String getFormatName() + throws IOException + { + return originatingProvider.getFormatNames()[0]; + } + + public abstract int getHeight(int imageIndex) + throws IOException; + + public abstract IIOMetadata getImageMetadata(int imageIndex) + throws IOException; + + public abstract Iterator getImageTypes(int imageIndex) + throws IOException; + + public Object getInput() + { + return input; + } + + public Locale getLocale() + { + return locale; + } + + public abstract int getNumImages(boolean allowSearch) + throws IOException; + + public int getNumThumbnails(int imageIndex) + throws IOException + { + return 0; + } + + public ImageReaderSpi getOriginatingProvider() + { + return originatingProvider; + } + + public abstract IIOMetadata getStreamMetadata() + throws IOException; + + public int getThumbnailHeight(int imageIndex, int thumbnailIndex) + throws IOException + { + return readThumbnail(imageIndex, thumbnailIndex).getHeight(); + } + + public int getThumbnailWidth(int imageIndex, int thumbnailIndex) + throws IOException + { + return readThumbnail(imageIndex, thumbnailIndex).getWidth(); + } + + public int getTileGridXOffset(int imageIndex) + throws IOException + { + return 0; + } + + public int getTileGridYOffset(int imageIndex) + throws IOException + { + return 0; + } + + public int getTileHeight(int imageIndex) + throws IOException + { + return getHeight(imageIndex); + } + + public int getTileWidth(int imageIndex) + throws IOException + { + return getWidth(imageIndex); + } + + public abstract int getWidth(int imageIndex) + throws IOException; + + public boolean hasThumbnails(int imageIndex) + throws IOException + { + return getNumThumbnails(imageIndex) > 0; + } + + public boolean isIgnoringMetadata() + { + return ignoreMetadata; + } + + public boolean isImageTiled(int imageIndex) + throws IOException + { + return false; + } + + public boolean isRandomAccessEasy(int imageIndex) + throws IOException + { + return false; + } + + public boolean isSeekForwardOnly() + { + return seekForwardOnly; + } + + protected void processImageComplete() + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.imageComplete (this); + } + } + + protected void processImageProgress(float percentageDone) + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.imageProgress(this, percentageDone); + } + } + + protected void processImageStarted(int imageIndex) + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.imageStarted(this, imageIndex); + } + } + + protected void processImageUpdate(BufferedImage image, int minX, int minY, + int width, int height, int periodX, + int periodY, int[] bands) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.imageUpdate(this, image, minX, minY, width, height, periodX, + periodY, bands); + } + } + + protected void processPassComplete(BufferedImage image) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.passComplete(this, image); + } + } + + protected void processPassStarted(BufferedImage image, int pass, int minPass, + int maxPass, int minX, int minY, + int periodX, int periodY, int[] bands) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.passStarted(this, image, pass, minPass, maxPass, minX, minY, + periodX, periodY, bands); + } + } + + protected void processReadAborted() + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.readAborted(this); + } + } + + protected void processSequenceComplete() + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.sequenceComplete(this); + } + } + + protected void processSequenceStarted(int minIndex) + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.sequenceStarted(this, minIndex); + } + } + + protected void processThumbnailComplete() + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.thumbnailComplete(this); + } + } + + protected void processThumbnailPassComplete(BufferedImage thumbnail) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.thumbnailPassComplete(this, thumbnail); + } + } + + protected void processThumbnailPassStarted(BufferedImage thumbnail, int pass, + int minPass, int maxPass, int minX, + int minY, int periodX, int periodY, + int[] bands) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.thumbnailPassStarted(this, thumbnail, pass, minPass, maxPass, + minX, minY, periodX, periodY, bands); + } + } + + protected void processThumbnailProgress(float percentageDone) + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.thumbnailProgress(this, percentageDone); + } + } + + protected void processThumbnailStarted(int imageIndex, int thumbnailIndex) + { + Iterator it = progressListeners.iterator(); + + while (it.hasNext()) + { + IIOReadProgressListener listener = (IIOReadProgressListener) it.next(); + listener.thumbnailStarted(this, imageIndex, thumbnailIndex); + } + } + + protected void processThumbnailUpdate(BufferedImage image, int minX, int minY, + int width, int height, int periodX, + int periodY, int[] bands) + { + Iterator it = updateListeners.iterator(); + + while (it.hasNext()) + { + IIOReadUpdateListener listener = (IIOReadUpdateListener) it.next(); + listener.thumbnailUpdate(this, image, minX, minY, width, height, + periodX, periodY, bands); + } + } + + protected void processWarningOccurred(String warning) + { + Iterator it = warningListeners.iterator(); + + while (it.hasNext()) + { + IIOReadWarningListener listener = (IIOReadWarningListener) it.next(); + listener.warningOccurred(this, warning); + } + } + + public abstract BufferedImage read(int imageIndex, ImageReadParam param) + throws IOException; + + public boolean readerSupportsThumbnails() + { + return false; + } + + public Raster readRaster(int imageIndex, ImageReadParam param) + throws IOException + { + throw new UnsupportedOperationException(); + } + + public BufferedImage readThumbnail(int imageIndex, int thumbnailIndex) + throws IOException + { + throw new UnsupportedOperationException(); + } + + public void removeAllIIOReadProgressListeners() + { + progressListeners.clear(); + } + + public void removeAllIIOReadUpdateListeners() + { + updateListeners.clear(); + } + + public void removeAllIIOReadWarningListeners() + { + warningListeners.clear(); + } + + public void removeIIOReadProgressListener(IIOReadProgressListener listener) + { + if (listener == null) + return; + + progressListeners.remove(listener); + } + + public void removeIIOReadUpdateListener(IIOReadUpdateListener listener) + { + if (listener == null) + return; + + updateListeners.remove(listener); + } + + public void removeIIOReadWarningListener(IIOReadWarningListener listener) + { + if (listener == null) + return; + + warningListeners.remove(listener); + } + + public void setLocale(Locale locale) + { + if (locale != null) + { + // Check if its a valid locale. + boolean found = false; + + if (availableLocales != null) + for (int i = availableLocales.length - 1; i >= 0; --i) + if (availableLocales[i].equals(locale)) + found = true; + + if (! found) + throw new IllegalArgumentException("looale not available"); + } + + this.locale = locale; + } } |