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JRE 8 rt.jar - java.* 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 java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/awt/image/CropImageFilter.java
/* * Copyright (c) 1995, 2004, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt.image; import java.awt.image.ImageConsumer; import java.awt.image.ColorModel; import java.util.Hashtable; import java.awt.Rectangle; /** * An ImageFilter class for cropping images. * This class extends the basic ImageFilter Class to extract a given * rectangular region of an existing Image and provide a source for a * new image containing just the extracted region. It is meant to * be used in conjunction with a FilteredImageSource object to produce * cropped versions of existing images. * * @see FilteredImageSource * @see ImageFilter * * @author Jim Graham */ public class CropImageFilter extends ImageFilter { int cropX; int cropY; int cropW; int cropH; /** * Constructs a CropImageFilter that extracts the absolute rectangular * region of pixels from its source Image as specified by the x, y, * w, and h parameters. * @param x the x location of the top of the rectangle to be extracted * @param y the y location of the top of the rectangle to be extracted * @param w the width of the rectangle to be extracted * @param h the height of the rectangle to be extracted */ public CropImageFilter(int x, int y, int w, int h) { cropX = x; cropY = y; cropW = w; cropH = h; } /** * Passes along the properties from the source object after adding a * property indicating the cropped region. * This method invokes <code>super.setProperties</code>, * which might result in additional properties being added. * <p> * Note: This method is intended to be called by the * <code>ImageProducer</code> of the <code>Image</code> whose pixels * are being filtered. Developers using * this class to filter pixels from an image should avoid calling * this method directly since that operation could interfere * with the filtering operation. */ public void setProperties(Hashtable<?,?> props) { Hashtable<Object,Object> p = (Hashtable<Object,Object>)props.clone(); p.put("croprect", new Rectangle(cropX, cropY, cropW, cropH)); super.setProperties(p); } /** * Override the source image's dimensions and pass the dimensions * of the rectangular cropped region to the ImageConsumer. * <p> * Note: This method is intended to be called by the * <code>ImageProducer</code> of the <code>Image</code> whose * pixels are being filtered. Developers using * this class to filter pixels from an image should avoid calling * this method directly since that operation could interfere * with the filtering operation. * @see ImageConsumer */ public void setDimensions(int w, int h) { consumer.setDimensions(cropW, cropH); } /** * Determine whether the delivered byte pixels intersect the region to * be extracted and passes through only that subset of pixels that * appear in the output region. * <p> * Note: This method is intended to be called by the * <code>ImageProducer</code> of the <code>Image</code> whose * pixels are being filtered. Developers using * this class to filter pixels from an image should avoid calling * this method directly since that operation could interfere * with the filtering operation. */ public void setPixels(int x, int y, int w, int h, ColorModel model, byte pixels[], int off, int scansize) { int x1 = x; if (x1 < cropX) { x1 = cropX; } int x2 = addWithoutOverflow(x, w); if (x2 > cropX + cropW) { x2 = cropX + cropW; } int y1 = y; if (y1 < cropY) { y1 = cropY; } int y2 = addWithoutOverflow(y, h); if (y2 > cropY + cropH) { y2 = cropY + cropH; } if (x1 >= x2 || y1 >= y2) { return; } consumer.setPixels(x1 - cropX, y1 - cropY, (x2 - x1), (y2 - y1), model, pixels, off + (y1 - y) * scansize + (x1 - x), scansize); } /** * Determine if the delivered int pixels intersect the region to * be extracted and pass through only that subset of pixels that * appear in the output region. * <p> * Note: This method is intended to be called by the * <code>ImageProducer</code> of the <code>Image</code> whose * pixels are being filtered. Developers using * this class to filter pixels from an image should avoid calling * this method directly since that operation could interfere * with the filtering operation. */ public void setPixels(int x, int y, int w, int h, ColorModel model, int pixels[], int off, int scansize) { int x1 = x; if (x1 < cropX) { x1 = cropX; } int x2 = addWithoutOverflow(x, w); if (x2 > cropX + cropW) { x2 = cropX + cropW; } int y1 = y; if (y1 < cropY) { y1 = cropY; } int y2 = addWithoutOverflow(y, h); if (y2 > cropY + cropH) { y2 = cropY + cropH; } if (x1 >= x2 || y1 >= y2) { return; } consumer.setPixels(x1 - cropX, y1 - cropY, (x2 - x1), (y2 - y1), model, pixels, off + (y1 - y) * scansize + (x1 - x), scansize); } //check for potential overflow (see bug 4801285) private int addWithoutOverflow(int x, int w) { int x2 = x + w; if ( x > 0 && w > 0 && x2 < 0 ) { x2 = Integer.MAX_VALUE; } else if( x < 0 && w < 0 && x2 > 0 ) { x2 = Integer.MIN_VALUE; } return x2; } }
⏎ java/awt/image/CropImageFilter.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 247409👍, 4💬
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