0N/A/*
2362N/A * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.awt.geom;
0N/A
0N/Afinal class CurveLink {
0N/A Curve curve;
0N/A double ytop;
0N/A double ybot;
0N/A int etag;
0N/A
0N/A CurveLink next;
0N/A
0N/A public CurveLink(Curve curve, double ystart, double yend, int etag) {
0N/A this.curve = curve;
0N/A this.ytop = ystart;
0N/A this.ybot = yend;
0N/A this.etag = etag;
0N/A if (ytop < curve.getYTop() || ybot > curve.getYBot()) {
0N/A throw new InternalError("bad curvelink ["+ytop+"=>"+ybot+"] for "+curve);
0N/A }
0N/A }
0N/A
0N/A public boolean absorb(CurveLink link) {
0N/A return absorb(link.curve, link.ytop, link.ybot, link.etag);
0N/A }
0N/A
0N/A public boolean absorb(Curve curve, double ystart, double yend, int etag) {
0N/A if (this.curve != curve || this.etag != etag ||
0N/A ybot < ystart || ytop > yend)
0N/A {
0N/A return false;
0N/A }
0N/A if (ystart < curve.getYTop() || yend > curve.getYBot()) {
0N/A throw new InternalError("bad curvelink ["+ystart+"=>"+yend+"] for "+curve);
0N/A }
0N/A this.ytop = Math.min(ytop, ystart);
0N/A this.ybot = Math.max(ybot, yend);
0N/A return true;
0N/A }
0N/A
0N/A public boolean isEmpty() {
0N/A return (ytop == ybot);
0N/A }
0N/A
0N/A public Curve getCurve() {
0N/A return curve;
0N/A }
0N/A
0N/A public Curve getSubCurve() {
0N/A if (ytop == curve.getYTop() && ybot == curve.getYBot()) {
0N/A return curve.getWithDirection(etag);
0N/A }
0N/A return curve.getSubCurve(ytop, ybot, etag);
0N/A }
0N/A
0N/A public Curve getMoveto() {
0N/A return new Order0(getXTop(), getYTop());
0N/A }
0N/A
0N/A public double getXTop() {
0N/A return curve.XforY(ytop);
0N/A }
0N/A
0N/A public double getYTop() {
0N/A return ytop;
0N/A }
0N/A
0N/A public double getXBot() {
0N/A return curve.XforY(ybot);
0N/A }
0N/A
0N/A public double getYBot() {
0N/A return ybot;
0N/A }
0N/A
0N/A public double getX() {
0N/A return curve.XforY(ytop);
0N/A }
0N/A
0N/A public int getEdgeTag() {
0N/A return etag;
0N/A }
0N/A
0N/A public void setNext(CurveLink link) {
0N/A this.next = link;
0N/A }
0N/A
0N/A public CurveLink getNext() {
0N/A return next;
0N/A }
0N/A}