/* * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.imageio.plugins.jpeg;import javax.imageio.spi.ImageWriterSpi;import javax.imageio.spi.ServiceRegistry;import javax.imageio.spi.IIORegistry;import javax.imageio.stream.ImageOutputStream;import javax.imageio.ImageWriter;import javax.imageio.ImageTypeSpecifier;import javax.imageio.IIOException;import java.awt.image.ColorModel;import java.awt.image.IndexColorModel;import java.awt.image.SampleModel;import java.util.Locale;public class JPEGImageWriterSpi extends ImageWriterSpi { private static String [] readerSpiNames = {"com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi"}; public JPEGImageWriterSpi() { super(JPEG.vendor, JPEG.version, JPEG.names, JPEG.suffixes, JPEG.MIMETypes, "com.sun.imageio.plugins.jpeg.JPEGImageWriter", new Class[] { ImageOutputStream.class }, readerSpiNames, true, JPEG.nativeStreamMetadataFormatName, JPEG.nativeStreamMetadataFormatClassName, null, null, true, JPEG.nativeImageMetadataFormatName, JPEG.nativeImageMetadataFormatClassName, null, null ); } public String getDescription(Locale locale) { return "Standard JPEG Image Writer"; } public boolean isFormatLossless() { return false; } public boolean canEncodeImage(ImageTypeSpecifier type) { SampleModel sampleModel = type.getSampleModel(); // Find the maximum bit depth across all channels int[] sampleSize = sampleModel.getSampleSize(); int bitDepth = sampleSize[0]; for (int i = 1; i < sampleSize.length; i++) { if (sampleSize[i] > bitDepth) { bitDepth = sampleSize[i]; } } // 4450894: Ensure bitDepth is between 1 and 8 if (bitDepth < 1 || bitDepth > 8) { return false; } return true; } public ImageWriter createWriterInstance(Object extension) throws IIOException { return new JPEGImageWriter(this); }}
/*
* Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.imageio.plugins.jpeg;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.spi.ServiceRegistry;
import javax.imageio.spi.IIORegistry;
import javax.imageio.stream.ImageOutputStream;
import javax.imageio.ImageWriter;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.IIOException;
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.SampleModel;
import java.util.Locale;
public class JPEGImageWriterSpi extends ImageWriterSpi {
private static String [] readerSpiNames =
{"com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi"};
public JPEGImageWriterSpi() {
super(JPEG.vendor,
JPEG.version,
JPEG.names,
JPEG.suffixes,
JPEG.MIMETypes,
"com.sun.imageio.plugins.jpeg.JPEGImageWriter",
new Class[] { ImageOutputStream.class },
readerSpiNames,
true,
JPEG.nativeStreamMetadataFormatName,
JPEG.nativeStreamMetadataFormatClassName,
null, null,
true,
JPEG.nativeImageMetadataFormatName,
JPEG.nativeImageMetadataFormatClassName,
null, null
);
}
public String getDescription(Locale locale) {
return "Standard JPEG Image Writer";
}
public boolean isFormatLossless() {
return false;
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
SampleModel sampleModel = type.getSampleModel();
// Find the maximum bit depth across all channels
int[] sampleSize = sampleModel.getSampleSize();
int bitDepth = sampleSize[0];
for (int i = 1; i < sampleSize.length; i++) {
if (sampleSize[i] > bitDepth) {
bitDepth = sampleSize[i];
}
}
// 4450894: Ensure bitDepth is between 1 and 8
if (bitDepth < 1 || bitDepth > 8) {
return false;
}
return true;
}
public ImageWriter createWriterInstance(Object extension)
throws IIOException {
return new JPEGImageWriter(this);
}
}