ImageEncoderImpl.java
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- /*
- * Copyright (c) 2001 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * -Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * -Redistribution in binary form must reproduct the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
- * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
- * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
- * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
- * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
- * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
- * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
- * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
- * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed,licensed or intended for use in
- * the design, construction, operation or maintenance of any nuclear facility.
- */
- import java.awt.image.ColorModel;
- import java.awt.image.Raster;
- import java.awt.image.RenderedImage;
- import java.io.IOException;
- import java.io.OutputStream;
- /**
- * A partial implementation of the ImageEncoder interface useful for
- * subclassing.
- *
- * <p><b> This class is not a committed part of the JAI API. It may
- * be removed or changed in future releases of JAI.</b>
- */
- public abstract class ImageEncoderImpl implements ImageEncoder {
-
- /** The OutputStream associcted with this ImageEncoder. */
- protected OutputStream output;
- /** The ImageEncodeParam object associcted with this ImageEncoder. */
- protected ImageEncodeParam param;
- /**
- * Constructs an ImageEncoderImpl with a given OutputStream
- * and ImageEncoderParam instance.
- */
- public ImageEncoderImpl(OutputStream output,
- ImageEncodeParam param) {
- this.output = output;
- this.param = param;
- }
- /**
- * Returns the current parameters as an instance of the
- * ImageEncodeParam interface. Concrete implementations of this
- * interface will return corresponding concrete implementations of
- * the ImageEncodeParam interface. For example, a JPEGImageEncoder
- * will return an instance of JPEGEncodeParam.
- */
- public ImageEncodeParam getParam() {
- return param;
- }
- /**
- * Sets the current parameters to an instance of the
- * ImageEncodeParam interface. Concrete implementations
- * of ImageEncoder may throw a RuntimeException if the
- * params argument is not an instance of the appropriate
- * subclass or subinterface. For example, a JPEGImageEncoder
- * will expect param to be an instance of JPEGEncodeParam.
- */
- public void setParam(ImageEncodeParam param) {
- this.param = param;
- }
- /** Returns the OutputStream associated with this ImageEncoder. */
- public OutputStream getOutputStream() {
- return output;
- }
-
- /**
- * Encodes a Raster with a given ColorModel and writes the output
- * to the OutputStream associated with this ImageEncoder.
- */
- public void encode(Raster ras, ColorModel cm) throws IOException {
- RenderedImage im = new SingleTileRenderedImage(ras, cm);
- encode(im);
- }
- /**
- * Encodes a RenderedImage and writes the output to the
- * OutputStream associated with this ImageEncoder.
- */
- public abstract void encode(RenderedImage im) throws IOException;
- }