From 7f745c32c5734bc9549a16a98d158cdc01215bf5 Mon Sep 17 00:00:00 2001
From: Rami Santina <rami.santina@gmail.com>
Date: Fri, 25 Mar 2011 03:58:05 +0100
Subject: Add initial GPU based curve rendering implementation, utilizing TTF
 fonts and manual shapes

---
 src/jogamp/graph/curve/tess/HEdge.java | 131 +++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 src/jogamp/graph/curve/tess/HEdge.java

(limited to 'src/jogamp/graph/curve/tess/HEdge.java')

diff --git a/src/jogamp/graph/curve/tess/HEdge.java b/src/jogamp/graph/curve/tess/HEdge.java
new file mode 100644
index 000000000..acb32cb4d
--- /dev/null
+++ b/src/jogamp/graph/curve/tess/HEdge.java
@@ -0,0 +1,131 @@
+/**
+ * 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.PointTex;
+import com.jogamp.graph.geom.Triangle;
+
+
+public class HEdge <T extends PointTex> {
+	public static int BOUNDARY = 3;
+	public static int INNER = 1;
+	public static int HOLE = 2;
+	
+	private GraphPoint<T> vert;
+	private HEdge<T> prev = null;
+	private HEdge<T> next = null;
+	private HEdge<T> sibling = null;
+	private int type = BOUNDARY;
+	private Triangle<T> triangle = null;
+	
+	public HEdge(GraphPoint<T> vert, int type) {
+		this.vert = vert;
+		this.type = type;
+	}
+
+	public HEdge(GraphPoint<T> vert, HEdge<T> prev, HEdge<T> next, HEdge<T> sibling, int type) {
+		this.vert = vert;
+		this.prev = prev;
+		this.next = next;
+		this.sibling = sibling;
+		this.type = type;
+	}
+
+	public HEdge(GraphPoint<T> vert, HEdge<T> prev, HEdge<T> next, HEdge<T> sibling, int type,
+			Triangle<T> triangle) {
+		this.vert = vert;
+		this.prev = prev;
+		this.next = next;
+		this.sibling = sibling;
+		this.type = type;
+		this.triangle = triangle;
+	}
+
+	public GraphPoint<T> getGraphPoint() {
+		return vert;
+	}
+
+	public void setVert(GraphPoint<T> vert) {
+		this.vert = vert;
+	}
+
+	public HEdge<T> getPrev() {
+		return prev;
+	}
+
+	public void setPrev(HEdge<T> prev) {
+		this.prev = prev;
+	}
+
+	public HEdge<T> getNext() {
+		return next;
+	}
+
+	public void setNext(HEdge<T> next) {
+		this.next = next;
+	}
+
+	public HEdge<T> getSibling() {
+		return sibling;
+	}
+
+	public void setSibling(HEdge<T> sibling) {
+		this.sibling = sibling;
+	}
+
+	public int getType() {
+		return type;
+	}
+
+	public void setType(int type) {
+		this.type = type;
+	}
+
+	public Triangle<T> getTriangle() {
+		return triangle;
+	}
+
+	public void setTriangle(Triangle<T> triangle) {
+		this.triangle = triangle;
+	}
+	
+	public static <T extends PointTex> void connect(HEdge<T> first, HEdge<T> next){
+		first.setNext(next);
+		next.setPrev(first);
+	}
+	
+	public static <T extends PointTex> void makeSiblings(HEdge<T> first, HEdge<T> second){
+		first.setSibling(second);
+		second.setSibling(first);
+	}
+	
+	public boolean vertexOnCurveVertex(){
+		return vert.getPoint().isOnCurve();
+	}
+	
+}
-- 
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