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/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.graph.curve.tess;
import com.jogamp.graph.geom.Vertex;
import com.jogamp.graph.geom.Triangle;
public class HEdge {
public static int BOUNDARY = 3;
public static int INNER = 1;
public static int HOLE = 2;
private GraphVertex vert;
private HEdge prev = null;
private HEdge next = null;
private HEdge sibling = null;
private int type = BOUNDARY;
private Triangle triangle = null;
public HEdge(GraphVertex vert, int type) {
this.vert = vert;
this.type = type;
}
public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type) {
this.vert = vert;
this.prev = prev;
this.next = next;
this.sibling = sibling;
this.type = type;
}
public HEdge(GraphVertex vert, HEdge prev, HEdge next, HEdge sibling, int type, Triangle triangle) {
this.vert = vert;
this.prev = prev;
this.next = next;
this.sibling = sibling;
this.type = type;
this.triangle = triangle;
}
public GraphVertex getGraphPoint() {
return vert;
}
public void setVert(GraphVertex vert) {
this.vert = vert;
}
public HEdge getPrev() {
return prev;
}
public void setPrev(HEdge prev) {
this.prev = prev;
}
public HEdge getNext() {
return next;
}
public void setNext(HEdge next) {
this.next = next;
}
public HEdge getSibling() {
return sibling;
}
public void setSibling(HEdge sibling) {
this.sibling = sibling;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
public Triangle getTriangle() {
return triangle;
}
public void setTriangle(Triangle triangle) {
this.triangle = triangle;
}
public static <T extends Vertex> void connect(HEdge first, HEdge next){
first.setNext(next);
next.setPrev(first);
}
public static <T extends Vertex> void makeSiblings(HEdge first, HEdge second){
first.setSibling(second);
second.setSibling(first);
}
public boolean vertexOnCurveVertex(){
return vert.getPoint().isOnCurve();
}
}
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