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+/* ImageWriterSpi.java --
+ Copyright (C) 2004 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.spi;
+
+import java.awt.image.RenderedImage;
+import java.io.IOException;
+
+import javax.imageio.ImageTypeSpecifier;
+import javax.imageio.ImageWriter;
+import javax.imageio.stream.ImageOutputStream;
+
+/**
+ * @author Michael Koch (konqueror@gmx.de)
+ */
+public abstract class ImageWriterSpi extends ImageReaderWriterSpi
+{
+ public static final Class[] STANDARD_OUTPUT_TYPE =
+ { ImageOutputStream.class };
+
+ protected Class[] outputTypes;
+ protected String[] readerSpiNames;
+
+ protected ImageWriterSpi()
+ {
+ // Do nothing here.
+ }
+
+ public ImageWriterSpi(String vendorName, String version, String[] names,
+ String[] suffixes, String[] MIMETypes,
+ String writerClassName, Class[] outputTypes,
+ String[] readerSpiNames,
+ boolean supportsStandardStreamMetadataFormat,
+ String nativeStreamMetadataFormatName,
+ String nativeStreamMetadataFormatClassName,
+ String[] extraStreamMetadataFormatNames,
+ String[] extraStreamMetadataFormatClassNames,
+ boolean supportsStandardImageMetadataFormat,
+ String nativeImageMetadataFormatName,
+ String nativeImageMetadataFormatClassName,
+ String[] extraImageMetadataFormatNames,
+ String[] extraImageMetadataFormatClassNames)
+ {
+ super(vendorName, version, names, suffixes, MIMETypes, writerClassName,
+ supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName,
+ nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames,
+ extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat,
+ nativeImageMetadataFormatName, nativeImageMetadataFormatClassName,
+ extraImageMetadataFormatNames, extraImageMetadataFormatClassNames);
+
+ if (writerClassName == null)
+ throw new IllegalArgumentException("writerClassName is null");
+
+ if (outputTypes == null
+ || outputTypes.length == 0)
+ throw new IllegalArgumentException("outputTypes may not be null or empty");
+
+ this.outputTypes = outputTypes;
+ this.readerSpiNames = readerSpiNames;
+ }
+
+ public abstract boolean canEncodeImage(ImageTypeSpecifier type);
+
+ public boolean canEncodeImage(RenderedImage image)
+ {
+ return canEncodeImage (new ImageTypeSpecifier(image));
+ }
+
+ public ImageWriter createWriterInstance()
+ throws IOException
+ {
+ return createWriterInstance(null);
+ }
+
+ public abstract ImageWriter createWriterInstance(Object extension)
+ throws IOException;
+
+ public String[] getImageReaderSpiNames()
+ {
+ return readerSpiNames;
+ }
+
+ public Class[] getOutputTypes()
+ {
+ return outputTypes;
+ }
+
+ public boolean isFormatLossless()
+ {
+ return true;
+ }
+
+ public boolean isOwnWriter(ImageWriter writer)
+ {
+ if (writer == null)
+ throw new IllegalArgumentException("writer may not be null");
+
+ return pluginClassName.equals(writer.getClass().getName());
+ }
+}