JDK 11 java.desktop.jmod is the JMOD file for JDK 11 Desktop module.

JDK 11 Desktop module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.desktop.jmod.

JDK 11 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Desktop module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.desktop.

You can click and view the content of each source code file in the list below.

⏎ com/sun/imageio/plugins/jpeg/JPEGImageWriterSpi.java

/*
 * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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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();
        ColorModel cm = type.getColorModel();

        if (cm.hasAlpha()) {
            return false;
        }
        // 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);
    }
}

⏎ com/sun/imageio/plugins/jpeg/JPEGImageWriterSpi.java

Or download all of them as a single archive file:

File name: java.desktop-11.0.1-src.zip
File size: 7974380 bytes
Release date: 2018-11-04
Download 

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