aboutsummaryrefslogtreecommitdiff
path: root/libjava/javax/imageio/ImageReader.java
diff options
context:
space:
mode:
authorMark Wielaard <mark@gcc.gnu.org>2004-11-06 18:09:00 +0000
committerMark Wielaard <mark@gcc.gnu.org>2004-11-06 18:09:00 +0000
commit6c56bdc2faced04b598b5d2a88e11bed6d67bd0c (patch)
tree9540c8ff7414ddaee88ad1c8b7d570e68bfa8b89 /libjava/javax/imageio/ImageReader.java
parentbb05e3410cddd9bb2fad83ced5004c38626db220 (diff)
downloadgcc-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.java481
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;
+ }
}