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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/wbmp/WBMPImageReader.java
/* * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.imageio.plugins.wbmp; import java.awt.Rectangle; import java.awt.image.BufferedImage; import java.awt.image.DataBufferByte; import java.awt.image.MultiPixelPackedSampleModel; import java.awt.image.Raster; import java.awt.image.WritableRaster; import javax.imageio.IIOException; import javax.imageio.ImageReader; import javax.imageio.ImageReadParam; import javax.imageio.ImageTypeSpecifier; import javax.imageio.metadata.IIOMetadata; import javax.imageio.spi.ImageReaderSpi; import javax.imageio.stream.ImageInputStream; import java.io.*; import java.util.ArrayList; import java.util.Iterator; import com.sun.imageio.plugins.common.I18N; import com.sun.imageio.plugins.common.ReaderUtil; /** This class is the Java Image IO plugin reader for WBMP images. * It may subsample the image, clip the image, * and shift the decoded image origin if the proper decoding parameter * are set in the provided <code>WBMPImageReadParam</code>. */ public class WBMPImageReader extends ImageReader { /** The input stream where reads from */ private ImageInputStream iis = null; /** Indicates whether the header is read. */ private boolean gotHeader = false; /** The original image width. */ private int width; /** The original image height. */ private int height; private int wbmpType; private WBMPMetadata metadata; /** Constructs <code>WBMPImageReader</code> from the provided * <code>ImageReaderSpi</code>. */ public WBMPImageReader(ImageReaderSpi originator) { super(originator); } /** Overrides the method defined in the superclass. */ public void setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata) { super.setInput(input, seekForwardOnly, ignoreMetadata); iis = (ImageInputStream) input; // Always works gotHeader = false; } /** Overrides the method defined in the superclass. */ public int getNumImages(boolean allowSearch) throws IOException { if (iis == null) { throw new IllegalStateException(I18N.getString("GetNumImages0")); } if (seekForwardOnly && allowSearch) { throw new IllegalStateException(I18N.getString("GetNumImages1")); } return 1; } public int getWidth(int imageIndex) throws IOException { checkIndex(imageIndex); readHeader(); return width; } public int getHeight(int imageIndex) throws IOException { checkIndex(imageIndex); readHeader(); return height; } public boolean isRandomAccessEasy(int imageIndex) throws IOException { checkIndex(imageIndex); return true; } private void checkIndex(int imageIndex) { if (imageIndex != 0) { throw new IndexOutOfBoundsException(I18N.getString("WBMPImageReader0")); } } public void readHeader() throws IOException { if (gotHeader) return; if (iis == null) { throw new IllegalStateException("Input source not set!"); } metadata = new WBMPMetadata(); wbmpType = iis.readByte(); // TypeField byte fixHeaderField = iis.readByte(); // check for valid wbmp image if (fixHeaderField != 0 || !isValidWbmpType(wbmpType)) { throw new IIOException(I18N.getString("WBMPImageReader2")); } metadata.wbmpType = wbmpType; // Read image width width = ReaderUtil.readMultiByteInteger(iis); metadata.width = width; // Read image height height = ReaderUtil.readMultiByteInteger(iis); metadata.height = height; gotHeader = true; } public Iterator getImageTypes(int imageIndex) throws IOException { checkIndex(imageIndex); readHeader(); BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_BYTE_BINARY); ArrayList list = new ArrayList(1); list.add(new ImageTypeSpecifier(bi)); return list.iterator(); } public ImageReadParam getDefaultReadParam() { return new ImageReadParam(); } public IIOMetadata getImageMetadata(int imageIndex) throws IOException { checkIndex(imageIndex); if (metadata == null) { readHeader(); } return metadata; } public IIOMetadata getStreamMetadata() throws IOException { return null; } public BufferedImage read(int imageIndex, ImageReadParam param) throws IOException { if (iis == null) { throw new IllegalStateException(I18N.getString("WBMPImageReader1")); } checkIndex(imageIndex); clearAbortRequest(); processImageStarted(imageIndex); if (param == null) param = getDefaultReadParam(); //read header readHeader(); Rectangle sourceRegion = new Rectangle(0, 0, 0, 0); Rectangle destinationRegion = new Rectangle(0, 0, 0, 0); computeRegions(param, this.width, this.height, param.getDestination(), sourceRegion, destinationRegion); int scaleX = param.getSourceXSubsampling(); int scaleY = param.getSourceYSubsampling(); int xOffset = param.getSubsamplingXOffset(); int yOffset = param.getSubsamplingYOffset(); // If the destination is provided, then use it. Otherwise, create new one BufferedImage bi = param.getDestination(); if (bi == null) bi = new BufferedImage(destinationRegion.x + destinationRegion.width, destinationRegion.y + destinationRegion.height, BufferedImage.TYPE_BYTE_BINARY); boolean noTransform = destinationRegion.equals(new Rectangle(0, 0, width, height)) && destinationRegion.equals(new Rectangle(0, 0, bi.getWidth(), bi.getHeight())); // Get the image data. WritableRaster tile = bi.getWritableTile(0, 0); // Get the SampleModel. MultiPixelPackedSampleModel sm = (MultiPixelPackedSampleModel)bi.getSampleModel(); if (noTransform) { if (abortRequested()) { processReadAborted(); return bi; } // If noTransform is necessary, read the data. iis.read(((DataBufferByte)tile.getDataBuffer()).getData(), 0, height*sm.getScanlineStride()); processImageUpdate(bi, 0, 0, width, height, 1, 1, new int[]{0}); processImageProgress(100.0F); } else { int len = (this.width + 7) / 8; byte[] buf = new byte[len]; byte[] data = ((DataBufferByte)tile.getDataBuffer()).getData(); int lineStride = sm.getScanlineStride(); iis.skipBytes(len * sourceRegion.y); int skipLength = len * (scaleY - 1); // cache the values to avoid duplicated computation int[] srcOff = new int[destinationRegion.width]; int[] destOff = new int[destinationRegion.width]; int[] srcPos = new int[destinationRegion.width]; int[] destPos = new int[destinationRegion.width]; for (int i = destinationRegion.x, x = sourceRegion.x, j = 0; i < destinationRegion.x + destinationRegion.width; i++, j++, x += scaleX) { srcPos[j] = x >> 3; srcOff[j] = 7 - (x & 7); destPos[j] = i >> 3; destOff[j] = 7 - (i & 7); } for (int j = 0, y = sourceRegion.y, k = destinationRegion.y * lineStride; j < destinationRegion.height; j++, y+=scaleY) { if (abortRequested()) break; iis.read(buf, 0, len); for (int i = 0; i < destinationRegion.width; i++) { //get the bit and assign to the data buffer of the raster int v = (buf[srcPos[i]] >> srcOff[i]) & 1; data[k + destPos[i]] |= v << destOff[i]; } k += lineStride; iis.skipBytes(skipLength); processImageUpdate(bi, 0, j, destinationRegion.width, 1, 1, 1, new int[]{0}); processImageProgress(100.0F*j/destinationRegion.height); } } if (abortRequested()) processReadAborted(); else processImageComplete(); return bi; } public boolean canReadRaster() { return true; } public Raster readRaster(int imageIndex, ImageReadParam param) throws IOException { BufferedImage bi = read(imageIndex, param); return bi.getData(); } public void reset() { super.reset(); iis = null; gotHeader = false; } /* * This method verifies that given byte is valid wbmp type marker. * At the moment only 0x0 marker is described by wbmp spec. */ boolean isValidWbmpType(int type) { return type == 0; } }
⏎ com/sun/imageio/plugins/wbmp/WBMPImageReader.java
Or download all of them as a single archive file:
File name: jre-rt-com-1.8.0_191-src.zip File size: 8099783 bytes Release date: 2018-10-28 Download
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