1 files changed, 150 insertions, 0 deletions
diff --git a/src/com/jogamp/graph/geom/Outline.java b/src/com/jogamp/graph/geom/Outline.java
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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 com.jogamp.graph.geom;
+
+import java.util.ArrayList;
+
+import com.jogamp.graph.geom.Point;
+
+import jogamp.graph.math.VectorFloatUtil;
+
+
+/** Define a single continuous stroke by control vertices.
+ *  The vertices define the shape of the region defined by this 
+ *  outline. The Outline can contain a list of off-curve and on-curve
+ *  vertices which define curved regions.
+ *  
+ *  Note: An outline should be closed to be rendered as a region.
+ *  
+ *  
+ *  @see OutlineShape, Region
+ *
+ */
+public class Outline<T extends Point> implements Comparable<Outline<T>>{
+	
+	private ArrayList<T> vertices = new ArrayList<T>(3);
+	private boolean closed = false;
+	private AABBox box = new AABBox();
+	
+	/**Create an outline defined by control vertices.
+	 * An outline can contain off Curve vertices which define curved
+	 * regions in the outline.
+	 */
+	public Outline(){
+		
+	}
+	
+	/** Add a vertex to the outline. The vertex is added at the 
+	 * end of the outline loop/strip.
+	 * @param vertex Vertex to be added
+	 */
+	public final void addVertex(T vertex) {
+		vertices.add(vertex);
+		box.resize(vertex.getX(), vertex.getY(), vertex.getZ());
+	}
+	
+	public final void addVertex(Point.Factory<? extends Point> factory, float x, float y, boolean onCurve) {
+		addVertex(factory, x, y, 0f, onCurve);
+	}
+	
+	@SuppressWarnings("unchecked")
+	public final void addVertex(Point.Factory<? extends Point> factory, float x, float y, float z, boolean onCurve) {
+		Point v = factory.create(x, y, z);
+		v.setOnCurve(onCurve);
+		addVertex((T)v);
+	}
+	
+	@SuppressWarnings("unchecked")
+	public final void addVertex(Point.Factory<? extends Point> factory, float[] coordsBuffer, int offset, int length, boolean onCurve) {
+		Point v = factory.create(coordsBuffer, offset, length);
+		v.setOnCurve(onCurve);
+		addVertex((T)v);
+	}
+	
+	public T getVertex(int index){
+		return vertices.get(index);
+	}
+	
+	public boolean isEmpty(){
+		return (vertices.size() == 0);
+	}
+	public T getLastVertex(){
+		if(isEmpty()){
+			return null;
+		}
+		return vertices.get(vertices.size()-1);
+	}
+	
+	public ArrayList<T> getVertices() {
+		return vertices;
+	}
+	public void setVertices(ArrayList<T> vertices) {
+		this.vertices = vertices;
+	}
+	public AABBox getBox() {
+		return box;
+	}
+	public boolean isClosed() {
+		return closed;
+	}
+	
+	/** define if this outline is closed or not.
+	 * if set to closed, checks if the last vertex is 
+	 * equal to the first vertex. If not Equal adds a
+	 * vertex at the end to the list.
+	 * @param closed
+	 */
+	public void setClosed(boolean closed) {
+		this.closed = closed;
+		if(closed){
+			T first = vertices.get(0);
+			T last = getLastVertex();
+			if(!VectorFloatUtil.checkEquality(first.getCoord(), last.getCoord())){
+				@SuppressWarnings("unchecked")
+				T v = (T) first.clone();
+				vertices.add(v);
+			}
+		}
+	}
+	
+	/** Compare two outlines with Bounding Box area
+	 * as criteria. 
+	 * @see java.lang.Comparable#compareTo(java.lang.Object)
+	 */
+	public int compareTo(Outline<T> outline) {
+		float size = box.getSize();
+		float newSize = outline.getBox().getSize();
+		if(size < newSize){
+			return -1;
+		}
+		else if(size > newSize){
+			return 1;
+		}
+		return 0;
+	}
+}