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JRE 8 rt.jar - com.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries.
JRE (Java Runtime) 8 is the runtime environment included in JDK 8.
JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ 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. * * * * * * * * * * * * * * * * * * * * */ 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); } }
⏎ com/sun/imageio/plugins/jpeg/JPEGImageWriterSpi.java
⇒ Backup JDK 8 Installation Directory
2019-08-19, 23071👍, 0💬
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