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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/geom/EllipseIterator.java
/* * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt.geom; import java.util.*; /** * A utility class to iterate over the path segments of an ellipse * through the PathIterator interface. * * @author Jim Graham */ class EllipseIterator implements PathIterator { double x, y, w, h; AffineTransform affine; int index; EllipseIterator(Ellipse2D e, AffineTransform at) { this.x = e.getX(); this.y = e.getY(); this.w = e.getWidth(); this.h = e.getHeight(); this.affine = at; if (w < 0 || h < 0) { index = 6; } } /** * Return the winding rule for determining the insideness of the * path. * @see #WIND_EVEN_ODD * @see #WIND_NON_ZERO */ public int getWindingRule() { return WIND_NON_ZERO; } /** * Tests if there are more points to read. * @return true if there are more points to read */ public boolean isDone() { return index > 5; } /** * Moves the iterator to the next segment of the path forwards * along the primary direction of traversal as long as there are * more points in that direction. */ public void next() { index++; } // ArcIterator.btan(Math.PI/2) public static final double CtrlVal = 0.5522847498307933; /* * ctrlpts contains the control points for a set of 4 cubic * bezier curves that approximate a circle of radius 0.5 * centered at 0.5, 0.5 */ private static final double pcv = 0.5 + CtrlVal * 0.5; private static final double ncv = 0.5 - CtrlVal * 0.5; private static double ctrlpts[][] = { { 1.0, pcv, pcv, 1.0, 0.5, 1.0 }, { ncv, 1.0, 0.0, pcv, 0.0, 0.5 }, { 0.0, ncv, ncv, 0.0, 0.5, 0.0 }, { pcv, 0.0, 1.0, ncv, 1.0, 0.5 } }; /** * Returns the coordinates and type of the current path segment in * the iteration. * The return value is the path segment type: * SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE. * A float array of length 6 must be passed in and may be used to * store the coordinates of the point(s). * Each point is stored as a pair of float x,y coordinates. * SEG_MOVETO and SEG_LINETO types will return one point, * SEG_QUADTO will return two points, * SEG_CUBICTO will return 3 points * and SEG_CLOSE will not return any points. * @see #SEG_MOVETO * @see #SEG_LINETO * @see #SEG_QUADTO * @see #SEG_CUBICTO * @see #SEG_CLOSE */ public int currentSegment(float[] coords) { if (isDone()) { throw new NoSuchElementException("ellipse iterator out of bounds"); } if (index == 5) { return SEG_CLOSE; } if (index == 0) { double ctrls[] = ctrlpts[3]; coords[0] = (float) (x + ctrls[4] * w); coords[1] = (float) (y + ctrls[5] * h); if (affine != null) { affine.transform(coords, 0, coords, 0, 1); } return SEG_MOVETO; } double ctrls[] = ctrlpts[index - 1]; coords[0] = (float) (x + ctrls[0] * w); coords[1] = (float) (y + ctrls[1] * h); coords[2] = (float) (x + ctrls[2] * w); coords[3] = (float) (y + ctrls[3] * h); coords[4] = (float) (x + ctrls[4] * w); coords[5] = (float) (y + ctrls[5] * h); if (affine != null) { affine.transform(coords, 0, coords, 0, 3); } return SEG_CUBICTO; } /** * Returns the coordinates and type of the current path segment in * the iteration. * The return value is the path segment type: * SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE. * A double array of length 6 must be passed in and may be used to * store the coordinates of the point(s). * Each point is stored as a pair of double x,y coordinates. * SEG_MOVETO and SEG_LINETO types will return one point, * SEG_QUADTO will return two points, * SEG_CUBICTO will return 3 points * and SEG_CLOSE will not return any points. * @see #SEG_MOVETO * @see #SEG_LINETO * @see #SEG_QUADTO * @see #SEG_CUBICTO * @see #SEG_CLOSE */ public int currentSegment(double[] coords) { if (isDone()) { throw new NoSuchElementException("ellipse iterator out of bounds"); } if (index == 5) { return SEG_CLOSE; } if (index == 0) { double ctrls[] = ctrlpts[3]; coords[0] = x + ctrls[4] * w; coords[1] = y + ctrls[5] * h; if (affine != null) { affine.transform(coords, 0, coords, 0, 1); } return SEG_MOVETO; } double ctrls[] = ctrlpts[index - 1]; coords[0] = x + ctrls[0] * w; coords[1] = y + ctrls[1] * h; coords[2] = x + ctrls[2] * w; coords[3] = y + ctrls[3] * h; coords[4] = x + ctrls[4] * w; coords[5] = y + ctrls[5] * h; if (affine != null) { affine.transform(coords, 0, coords, 0, 3); } return SEG_CUBICTO; } }
⏎ java/awt/geom/EllipseIterator.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, 247876👍, 4💬
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