[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
2004-11-06 18:09:00 +00:00 · 2004-11-06 18:09:00 +00:00 · 6c56bdc2fa
commit 6c56bdc2fa
parent bb05e3410c
42 changed files with 4604 additions and 33 deletions
--- 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;
+  }
 }