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-rw-r--r--libjava/javax/imageio/ImageIO.java605
1 files changed, 0 insertions, 605 deletions
diff --git a/libjava/javax/imageio/ImageIO.java b/libjava/javax/imageio/ImageIO.java
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--- a/libjava/javax/imageio/ImageIO.java
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@@ -1,605 +0,0 @@
-/* ImageIO.java --
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package javax.imageio;
-
-import java.awt.image.BufferedImage;
-import java.awt.image.RenderedImage;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Iterator;
-
-import javax.imageio.spi.IIORegistry;
-import javax.imageio.spi.ImageReaderSpi;
-import javax.imageio.spi.ImageWriterSpi;
-import javax.imageio.spi.ServiceRegistry;
-import javax.imageio.stream.ImageInputStream;
-import javax.imageio.stream.ImageOutputStream;
-import javax.imageio.stream.MemoryCacheImageInputStream;
-import javax.imageio.stream.MemoryCacheImageOutputStream;
-
-public final class ImageIO
-{
- /**
- * This class isn't intended to be instantiated.
- */
- private ImageIO() {}
-
- private static final class ReaderFormatFilter implements ServiceRegistry.Filter
- {
- private String formatName;
-
- public ReaderFormatFilter(String formatName)
- {
- this.formatName = formatName;
- }
-
- public boolean filter (Object provider)
- {
- if (provider instanceof ImageReaderSpi)
- {
- ImageReaderSpi spi = (ImageReaderSpi) provider;
- String[] formatNames = spi.getFormatNames();
-
- for (int i = formatNames.length - 1; i >= 0; --i)
- if (formatName.equals(formatNames[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class ReaderMIMETypeFilter implements ServiceRegistry.Filter
- {
- private String MIMEType;
-
- public ReaderMIMETypeFilter(String MIMEType)
- {
- this.MIMEType = MIMEType;
- }
-
- public boolean filter(Object provider)
- {
- if (provider instanceof ImageReaderSpi)
- {
- ImageReaderSpi spi = (ImageReaderSpi) provider;
- String[] mimetypes = spi.getMIMETypes();
-
- for (int i = mimetypes.length - 1; i >= 0; --i)
- if (MIMEType.equals(mimetypes[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class ReaderSuffixFilter implements ServiceRegistry.Filter
- {
- private String fileSuffix;
-
- public ReaderSuffixFilter(String fileSuffix)
- {
- this.fileSuffix = fileSuffix;
- }
-
- public boolean filter(Object provider)
- {
- if (provider instanceof ImageReaderSpi)
- {
- ImageReaderSpi spi = (ImageReaderSpi) provider;
- String[] suffixes = spi.getFileSuffixes();
-
- for (int i = suffixes.length - 1; i >= 0; --i)
- if (fileSuffix.equals(suffixes[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class WriterFormatFilter implements ServiceRegistry.Filter
- {
- private String formatName;
-
- public WriterFormatFilter(String formatName)
- {
- this.formatName = formatName;
- }
-
- public boolean filter(Object provider)
- {
- if (provider instanceof ImageWriterSpi)
- {
- ImageWriterSpi spi = (ImageWriterSpi) provider;
- String[] formatNames = spi.getFormatNames();
-
- for (int i = formatNames.length - 1; i >= 0; --i)
- if (formatName.equals(formatNames[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class WriterMIMETypeFilter implements ServiceRegistry.Filter
- {
- private String MIMEType;
-
- public WriterMIMETypeFilter(String MIMEType)
- {
- this.MIMEType = MIMEType;
- }
-
- public boolean filter(Object provider)
- {
- if (provider instanceof ImageWriterSpi)
- {
- ImageWriterSpi spi = (ImageWriterSpi) provider;
- String[] mimetypes = spi.getMIMETypes();
-
- for (int i = mimetypes.length - 1; i >= 0; --i)
- if (MIMEType.equals(mimetypes[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class WriterSuffixFilter implements ServiceRegistry.Filter
- {
- private String fileSuffix;
-
- public WriterSuffixFilter(String fileSuffix)
- {
- this.fileSuffix = fileSuffix;
- }
-
- public boolean filter(Object provider)
- {
- if (provider instanceof ImageWriterSpi)
- {
- ImageWriterSpi spi = (ImageWriterSpi) provider;
- String[] suffixes = spi.getFileSuffixes();
-
- for (int i = suffixes.length - 1; i >= 0; --i)
- if (fileSuffix.equals(suffixes[i]))
- return true;
- }
-
- return false;
- }
- }
-
- private static final class ImageReaderIterator implements Iterator
- {
- Iterator it;
- Object readerExtension;
-
- public ImageReaderIterator(Iterator it, Object readerExtension)
- {
- this.it = it;
- this.readerExtension = readerExtension;
- }
-
- public boolean hasNext()
- {
- return it.hasNext();
- }
-
- public Object next()
- {
- try
- {
- return ((ImageReaderSpi) it.next()).createReaderInstance(readerExtension);
- }
- catch (IOException e)
- {
- return null;
- }
- }
-
- public void remove()
- {
- throw new UnsupportedOperationException();
- }
- }
-
- private static final class ImageWriterIterator implements Iterator
- {
- Iterator it;
- Object writerExtension;
-
- public ImageWriterIterator(Iterator it, Object writerExtension)
- {
- this.it = it;
- this.writerExtension = writerExtension;
- }
-
- public boolean hasNext()
- {
- return it.hasNext();
- }
-
- public Object next()
- {
- try
- {
- return ((ImageWriterSpi) it.next()).createWriterInstance(writerExtension);
- }
- catch (IOException e)
- {
- return null;
- }
- }
-
- public void remove()
- {
- throw new UnsupportedOperationException();
- }
- }
-
- private static File cacheDirectory;
- private static boolean useCache = true;
-
- private static Iterator getReadersByFilter(Class type,
- ServiceRegistry.Filter filter,
- Object readerExtension)
- {
- try
- {
- Iterator it = getRegistry().getServiceProviders(type, filter, true);
- return new ImageReaderIterator(it, readerExtension);
- }
- catch (IllegalArgumentException e)
- {
- return Collections.EMPTY_SET.iterator();
- }
- }
-
- private static Iterator getWritersByFilter(Class type,
- ServiceRegistry.Filter filter,
- Object writerExtension)
- {
- try
- {
- Iterator it = getRegistry().getServiceProviders(type, filter, true);
- return new ImageWriterIterator(it, writerExtension);
- }
- catch (IllegalArgumentException e)
- {
- return Collections.EMPTY_SET.iterator();
- }
- }
-
- public static File getCacheDirectory()
- {
- return cacheDirectory;
- }
-
- public static Iterator getImageReadersByFormatName(String formatName)
- {
- if (formatName == null)
- throw new IllegalArgumentException("formatName may not be null");
-
- return getReadersByFilter(ImageReaderSpi.class,
- new ReaderFormatFilter(formatName),
- formatName);
- }
-
- public static Iterator getImageReadersByMIMEType(String MIMEType)
- {
- if (MIMEType == null)
- throw new IllegalArgumentException("MIMEType may not be null");
-
- return getReadersByFilter(ImageReaderSpi.class,
- new ReaderMIMETypeFilter(MIMEType),
- MIMEType);
- }
-
- public static Iterator getImageReadersBySuffix(String fileSuffix)
- {
- if (fileSuffix == null)
- throw new IllegalArgumentException("formatName may not be null");
-
- return getReadersByFilter(ImageReaderSpi.class,
- new ReaderSuffixFilter(fileSuffix),
- fileSuffix);
- }
-
- public static Iterator getImageWritersByFormatName(String formatName)
- {
- if (formatName == null)
- throw new IllegalArgumentException("formatName may not be null");
-
- return getWritersByFilter(ImageWriterSpi.class,
- new WriterFormatFilter(formatName),
- formatName);
- }
-
- public static Iterator getImageWritersByMIMEType(String MIMEType)
- {
- if (MIMEType == null)
- throw new IllegalArgumentException("MIMEType may not be null");
-
- return getWritersByFilter(ImageWriterSpi.class,
- new WriterMIMETypeFilter(MIMEType),
- MIMEType);
- }
-
- public static Iterator getImageWritersBySuffix(String fileSuffix)
- {
- if (fileSuffix == null)
- throw new IllegalArgumentException("fileSuffix may not be null");
-
- return getWritersByFilter(ImageWriterSpi.class,
- new WriterSuffixFilter(fileSuffix),
- fileSuffix);
- }
-
- public static String[] getReaderFormatNames()
- {
- try
- {
- Iterator it =
- getRegistry().getServiceProviders(ImageReaderSpi.class, true);
- ArrayList result = new ArrayList();
-
- while (it.hasNext())
- {
- ImageReaderSpi spi = (ImageReaderSpi) it.next();
- String[] names = spi.getFormatNames();
-
- for (int i = names.length - 1; i >= 0; --i)
- result.add(names[i]);
- }
-
- return (String[]) result.toArray(new String[result.size()]);
- }
- catch (IllegalArgumentException e)
- {
- return new String[0];
- }
- }
-
- public static String[] getReaderMIMETypes()
- {
- try
- {
- Iterator it =
- getRegistry().getServiceProviders(ImageReaderSpi.class, true);
- ArrayList result = new ArrayList();
-
- while (it.hasNext())
- {
- ImageReaderSpi spi = (ImageReaderSpi) it.next();
- String[] names = spi.getMIMETypes();
-
- for (int i = names.length - 1; i >= 0; --i)
- result.add(names[i]);
- }
-
- return (String[]) result.toArray(new String[result.size()]);
- }
- catch (IllegalArgumentException e)
- {
- return new String[0];
- }
- }
-
- private static IIORegistry getRegistry()
- {
- return IIORegistry.getDefaultInstance();
- }
-
- public static boolean getUseCache()
- {
- return useCache;
- }
-
- public static String[] getWriterFormatNames()
- {
- try
- {
- Iterator it =
- getRegistry().getServiceProviders(ImageWriterSpi.class, true);
- ArrayList result = new ArrayList();
-
- while (it.hasNext())
- {
- ImageWriterSpi spi = (ImageWriterSpi) it.next();
- String[] names = spi.getFormatNames();
-
- for (int i = names.length - 1; i >= 0; --i)
- result.add(names[i]);
- }
-
- return (String[]) result.toArray(new String[result.size()]);
- }
- catch (IllegalArgumentException e)
- {
- return new String[0];
- }
- }
-
- public static String[] getWriterMIMETypes()
- {
- try
- {
- Iterator it =
- getRegistry().getServiceProviders(ImageWriterSpi.class, true);
- ArrayList result = new ArrayList();
-
- while (it.hasNext())
- {
- ImageWriterSpi spi = (ImageWriterSpi) it.next();
- String[] names = spi.getMIMETypes();
-
- for (int i = names.length - 1; i >= 0; --i)
- result.add(names[i]);
- }
-
- return (String[]) result.toArray(new String[result.size()]);
- }
- catch (IllegalArgumentException e)
- {
- return new String[0];
- }
- }
-
- /**
- * Rescans the application classpath for ImageIO service providers
- * and registers them.
- */
- public static void scanForPlugins()
- {
- IIORegistry.getDefaultInstance().registerApplicationClasspathSpis();
- }
-
- public static void setCacheDirectory(File cacheDirectory)
- {
- if (cacheDirectory != null)
- {
- if (!cacheDirectory.isDirectory())
- throw new IllegalArgumentException("cacheDirectory must be a directory");
-
- cacheDirectory.canWrite();
- }
-
- ImageIO.cacheDirectory = cacheDirectory;
- }
-
- public static void setUseCache(boolean useCache)
- {
- ImageIO.useCache = useCache;
- }
-
- /*
- * "Standard" simplified entry points.
- */
-
- public static boolean write(RenderedImage im,
- String formatName,
- File output)
- throws IOException
- {
- return write(im, formatName, new FileOutputStream(output));
- }
-
- public static boolean write(RenderedImage im,
- String formatName,
- OutputStream output)
- throws IOException
- {
- return write(im, formatName, new MemoryCacheImageOutputStream(output));
- }
-
-
- public static boolean write(RenderedImage im,
- String formatName,
- ImageOutputStream output)
- throws IOException
- {
- Iterator writers = getImageWritersByFormatName(formatName);
- IIOImage img = new IIOImage(im, null, null);
- while (writers.hasNext())
- {
- ImageWriter w = (ImageWriter) writers.next();
- try
- {
- w.setOutput(output);
- }
- catch (IllegalArgumentException e)
- {
- continue;
- }
-
- w.write(null, img, null);
- output.close();
- return true;
- }
- return false;
- }
-
- public static BufferedImage read(ImageInputStream stream)
- throws IOException
- {
- Iterator providers = getRegistry().getServiceProviders(ImageReaderSpi.class, true);
- while (providers.hasNext())
- {
- ImageReaderSpi spi = (ImageReaderSpi) providers.next();
- if (spi.canDecodeInput(stream))
- {
- ImageReader reader = spi.createReaderInstance();
- reader.setInput(stream);
- return reader.read(0, null);
- }
- }
- return null;
- }
-
- public static BufferedImage read(URL input)
- throws IOException
- {
- return read(input.openStream());
- }
-
- public static BufferedImage read(InputStream input)
- throws IOException
- {
- return read(new MemoryCacheImageInputStream(input));
- }
-
- public static BufferedImage read(File input)
- throws IOException
- {
- return read(new FileInputStream(input));
- }
-
-}
generated by cgit v1.1 at 2025-04-08 11:57:46 +0000