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.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
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
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.awt.geom;
0N/A
0N/Afinal class Edge {
0N/A static final int INIT_PARTS = 4;
0N/A static final int GROW_PARTS = 10;
0N/A
0N/A Curve curve;
0N/A int ctag;
0N/A int etag;
0N/A double activey;
0N/A int equivalence;
0N/A
0N/A public Edge(Curve c, int ctag) {
0N/A this(c, ctag, AreaOp.ETAG_IGNORE);
0N/A }
0N/A
0N/A public Edge(Curve c, int ctag, int etag) {
0N/A this.curve = c;
0N/A this.ctag = ctag;
0N/A this.etag = etag;
0N/A }
0N/A
0N/A public Curve getCurve() {
0N/A return curve;
0N/A }
0N/A
0N/A public int getCurveTag() {
0N/A return ctag;
0N/A }
0N/A
0N/A public int getEdgeTag() {
0N/A return etag;
0N/A }
0N/A
0N/A public void setEdgeTag(int etag) {
0N/A this.etag = etag;
0N/A }
0N/A
0N/A public int getEquivalence() {
0N/A return equivalence;
0N/A }
0N/A
0N/A public void setEquivalence(int eq) {
0N/A equivalence = eq;
0N/A }
0N/A
0N/A private Edge lastEdge;
0N/A private int lastResult;
0N/A private double lastLimit;
0N/A
0N/A public int compareTo(Edge other, double yrange[]) {
0N/A if (other == lastEdge && yrange[0] < lastLimit) {
0N/A if (yrange[1] > lastLimit) {
0N/A yrange[1] = lastLimit;
0N/A }
0N/A return lastResult;
0N/A }
0N/A if (this == other.lastEdge && yrange[0] < other.lastLimit) {
0N/A if (yrange[1] > other.lastLimit) {
0N/A yrange[1] = other.lastLimit;
0N/A }
0N/A return 0-other.lastResult;
0N/A }
0N/A //long start = System.currentTimeMillis();
0N/A int ret = curve.compareTo(other.curve, yrange);
0N/A //long end = System.currentTimeMillis();
0N/A /*
0N/A System.out.println("compare: "+
0N/A ((System.identityHashCode(this) <
0N/A System.identityHashCode(other))
0N/A ? this+" to "+other
0N/A : other+" to "+this)+
0N/A " == "+ret+" at "+yrange[1]+
0N/A " in "+(end-start)+"ms");
0N/A */
0N/A lastEdge = other;
0N/A lastLimit = yrange[1];
0N/A lastResult = ret;
0N/A return ret;
0N/A }
0N/A
0N/A public void record(double yend, int etag) {
0N/A this.activey = yend;
0N/A this.etag = etag;
0N/A }
0N/A
0N/A public boolean isActiveFor(double y, int etag) {
0N/A return (this.etag == etag && this.activey >= y);
0N/A }
0N/A
0N/A public String toString() {
0N/A return ("Edge["+curve+
0N/A ", "+
0N/A (ctag == AreaOp.CTAG_LEFT ? "L" : "R")+
0N/A ", "+
0N/A (etag == AreaOp.ETAG_ENTER ? "I" :
0N/A (etag == AreaOp.ETAG_EXIT ? "O" : "N"))+
0N/A "]");
0N/A }
0N/A}