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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/RoundRectIterator.java
/* * Copyright (c) 1997, 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 rounded rectangle * through the PathIterator interface. * * @author Jim Graham */ class RoundRectIterator implements PathIterator { double x, y, w, h, aw, ah; AffineTransform affine; int index; RoundRectIterator(RoundRectangle2D rr, AffineTransform at) { this.x = rr.getX(); this.y = rr.getY(); this.w = rr.getWidth(); this.h = rr.getHeight(); this.aw = Math.min(w, Math.abs(rr.getArcWidth())); this.ah = Math.min(h, Math.abs(rr.getArcHeight())); this.affine = at; if (aw < 0 || ah < 0) { // Don't draw anything... index = ctrlpts.length; } } /** * 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 >= ctrlpts.length; } /** * 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++; } private static final double angle = Math.PI / 4.0; private static final double a = 1.0 - Math.cos(angle); private static final double b = Math.tan(angle); private static final double c = Math.sqrt(1.0 + b * b) - 1 + a; private static final double cv = 4.0 / 3.0 * a * b / c; private static final double acv = (1.0 - cv) / 2.0; // For each array: // 4 values for each point {v0, v1, v2, v3}: // point = (x + v0 * w + v1 * arcWidth, // y + v2 * h + v3 * arcHeight); private static double ctrlpts[][] = { { 0.0, 0.0, 0.0, 0.5 }, { 0.0, 0.0, 1.0, -0.5 }, { 0.0, 0.0, 1.0, -acv, 0.0, acv, 1.0, 0.0, 0.0, 0.5, 1.0, 0.0 }, { 1.0, -0.5, 1.0, 0.0 }, { 1.0, -acv, 1.0, 0.0, 1.0, 0.0, 1.0, -acv, 1.0, 0.0, 1.0, -0.5 }, { 1.0, 0.0, 0.0, 0.5 }, { 1.0, 0.0, 0.0, acv, 1.0, -acv, 0.0, 0.0, 1.0, -0.5, 0.0, 0.0 }, { 0.0, 0.5, 0.0, 0.0 }, { 0.0, acv, 0.0, 0.0, 0.0, 0.0, 0.0, acv, 0.0, 0.0, 0.0, 0.5 }, {}, }; private static int types[] = { SEG_MOVETO, SEG_LINETO, SEG_CUBICTO, SEG_LINETO, SEG_CUBICTO, SEG_LINETO, SEG_CUBICTO, SEG_LINETO, SEG_CUBICTO, SEG_CLOSE, }; /** * 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("roundrect iterator out of bounds"); } double ctrls[] = ctrlpts[index]; int nc = 0; for (int i = 0; i < ctrls.length; i += 4) { coords[nc++] = (float) (x + ctrls[i + 0] * w + ctrls[i + 1] * aw); coords[nc++] = (float) (y + ctrls[i + 2] * h + ctrls[i + 3] * ah); } if (affine != null) { affine.transform(coords, 0, coords, 0, nc / 2); } return types[index]; } /** * 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("roundrect iterator out of bounds"); } double ctrls[] = ctrlpts[index]; int nc = 0; for (int i = 0; i < ctrls.length; i += 4) { coords[nc++] = (x + ctrls[i + 0] * w + ctrls[i + 1] * aw); coords[nc++] = (y + ctrls[i + 2] * h + ctrls[i + 3] * ah); } if (affine != null) { affine.transform(coords, 0, coords, 0, nc / 2); } return types[index]; } }
⏎ java/awt/geom/RoundRectIterator.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, 247426👍, 4💬
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