1 /* 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.awt.geom; 27 28 import java.io.Serializable; 29 30 /** 31 * {@code Arc2D} is the abstract superclass for all objects that 32 * store a 2D arc defined by a framing rectangle, 33 * start angle, angular extent (length of the arc), and a closure type 34 * ({@code OPEN}, {@code CHORD}, or {@code PIE}). 35 * <p> 36 * <a name="inscribes"> 37 * The arc is a partial section of a full ellipse which 38 * inscribes the framing rectangle of its parent</a> {@link RectangularShape}. 39 * 40 * <a name="angles"> 41 * The angles are specified relative to the non-square 42 * framing rectangle such that 45 degrees always falls on the line from 43 * the center of the ellipse to the upper right corner of the framing 44 * rectangle. 45 * As a result, if the framing rectangle is noticeably longer along one 46 * axis than the other, the angles to the start and end of the arc segment 47 * will be skewed farther along the longer axis of the frame. 48 * </a> 49 * <p> 50 * The actual storage representation of the coordinates is left to 51 * the subclass. 52 * 53 * @author Jim Graham 54 * @since 1.2 55 */ 56 public abstract class Arc2D extends RectangularShape { 57 58 /** 59 * The closure type for an open arc with no path segments 60 * connecting the two ends of the arc segment. | 1 /* 2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.awt.geom; 27 28 import java.io.Serializable; 29 30 /** 31 * {@code Arc2D} is the abstract superclass for all objects that 32 * store a 2D arc defined by a framing rectangle, 33 * start angle, angular extent (length of the arc), and a closure type 34 * ({@code OPEN}, {@code CHORD}, or {@code PIE}). 35 * <p> 36 * <a id="inscribes"> 37 * The arc is a partial section of a full ellipse which 38 * inscribes the framing rectangle of its parent</a> {@link RectangularShape}. 39 * 40 * <a id="angles"> 41 * The angles are specified relative to the non-square 42 * framing rectangle such that 45 degrees always falls on the line from 43 * the center of the ellipse to the upper right corner of the framing 44 * rectangle. 45 * As a result, if the framing rectangle is noticeably longer along one 46 * axis than the other, the angles to the start and end of the arc segment 47 * will be skewed farther along the longer axis of the frame. 48 * </a> 49 * <p> 50 * The actual storage representation of the coordinates is left to 51 * the subclass. 52 * 53 * @author Jim Graham 54 * @since 1.2 55 */ 56 public abstract class Arc2D extends RectangularShape { 57 58 /** 59 * The closure type for an open arc with no path segments 60 * connecting the two ends of the arc segment. |