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