Graph: Path2D -> self-contained Path2D (w/ Iterator) fixed; OutlineShape: Add Path2F addPath(..), emphasize required Winding.CW

GPURegionGLListener01 used by TestRegionRendererNEWT01 covers Path2F CCW and CW (reverse add) methods.

10 files changed, 942 insertions, 567 deletions

diff --git a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java
index 4bc1d0820..be5a1d1bf 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java
@@ -37,6 +37,8 @@ import com.jogamp.graph.geom.Outline;
 import com.jogamp.graph.geom.Triangle;
 import com.jogamp.graph.geom.Vertex;
 import com.jogamp.graph.geom.plane.AffineTransform;
+import com.jogamp.graph.geom.plane.Path2F;
+import com.jogamp.graph.geom.plane.Winding;
 import com.jogamp.opengl.math.FloatUtil;
 import com.jogamp.opengl.math.VectorUtil;
 import com.jogamp.opengl.math.geom.AABBox;
@@ -91,6 +93,7 @@ import com.jogamp.opengl.math.geom.AABBox;
  * <ul>
  *    <li> The first vertex of any outline belonging to the shape should be on-curve</li>
  *    <li> Intersections between off-curved parts of the outline is not handled</li>
+ *    <li> Outline shape winding shall be constructed counter clock wise ({@link Winding#CCW}).</li>
  * </ul>
  *
  * @see Outline
@@ -342,6 +345,9 @@ public final class OutlineShape implements Comparable<OutlineShape> {
 
     /**
      * Adds a vertex to the last open outline to the shape's tail.
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param v the vertex to be added to the OutlineShape
      */
     public final void addVertex(final Vertex v) {
@@ -356,6 +362,9 @@ public final class OutlineShape implements Comparable<OutlineShape> {
 
     /**
      * Adds a vertex to the last open outline to the shape at {@code position}
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param position index within the last open outline, at which the vertex will be added
      * @param v the vertex to be added to the OutlineShape
      */
@@ -372,6 +381,8 @@ public final class OutlineShape implements Comparable<OutlineShape> {
      * Add a 2D {@link Vertex} to the last open outline to the shape's tail.
      * The 2D vertex will be represented as Z=0.
      *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param x the x coordinate
      * @param y the y coordniate
      * @param onCurve flag if this vertex is on the final curve or defines a curved region
@@ -385,6 +396,8 @@ public final class OutlineShape implements Comparable<OutlineShape> {
      * Add a 2D {@link Vertex} to the last open outline to the shape at {@code position}.
      * The 2D vertex will be represented as Z=0.
      *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param position index within the last open outline, at which the vertex will be added
      * @param x the x coordinate
      * @param y the y coordniate
@@ -397,6 +410,9 @@ public final class OutlineShape implements Comparable<OutlineShape> {
 
     /**
      * Add a 3D {@link Vertex} to the last open outline to the shape's tail.
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param x the x coordinate
      * @param y the y coordinate
      * @param z the z coordinate
@@ -410,6 +426,8 @@ public final class OutlineShape implements Comparable<OutlineShape> {
     /**
      * Add a 3D {@link Vertex} to the last open outline to the shape at {@code position}.
      *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * @param position index within the last open outline, at which the vertex will be added
      * @param x the x coordinate
      * @param y the y coordniate
@@ -424,6 +442,8 @@ public final class OutlineShape implements Comparable<OutlineShape> {
     /**
      * Add a vertex to the last open outline to the shape's tail.
      *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * The vertex is passed as a float array and its offset where its attributes are located.
      * The attributes should be continuous (stride = 0).
      * Attributes which value are not set (when length less than 3)
@@ -441,6 +461,8 @@ public final class OutlineShape implements Comparable<OutlineShape> {
     /**
      * Add a vertex to the last open outline to the shape at {@code position}.
      *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
      * The vertex is passed as a float array and its offset where its attributes are located.
      * The attributes should be continuous (stride = 0).
      * Attributes which value are not set (when length less than 3)
@@ -467,12 +489,245 @@ public final class OutlineShape implements Comparable<OutlineShape> {
      *                  otherwise a clone of the last vertex will be prepended.
      */
     public final void closeLastOutline(final boolean closeTail) {
-        if( getLastOutline().setClosed(true) ) {
+        if( getLastOutline().setClosed( closeTail ) ) {
             dirtyBits |= DIRTY_TRIANGLES | DIRTY_VERTICES;
         }
     }
 
     /**
+     * Append the given path geometry to this outline shape.
+     *
+     * The given path geometry should be {@link Winding#CCW}.
+     *
+     * If the given path geometry is {@link Winding#CW}, use {@link #addPathRev(Path2F, boolean)}.
+     *
+     * @param path the {@link Path2F} to append to this outline shape, should be {@link Winding#CCW}.
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     * @see Path2F#getWinding()
+     */
+    public void addPath(final Path2F path, final boolean connect) {
+        addPath(path.iterator(null), connect);
+    }
+
+    /**
+     * Add the given {@link Path2F.Iterator} to this outline shape.
+     *
+     * The given path geometry should be {@link Winding#CCW}.
+     *
+     * If the given path geometry is {@link Winding#CW}, use {@link #addPathRev(Path2F.Iterator, boolean).
+     *
+     * @param pathI the {@link Path2F.Iterator} to append to this outline shape, should be {@link Winding#CCW}.
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     * @see Path2F.Iterator#getWinding()
+     */
+    public final void addPath(final Path2F.Iterator pathI, boolean connect) {
+        final float[] points = pathI.points();
+        while ( pathI.hasNext() ) {
+            final int idx = pathI.index();
+            final Path2F.SegmentType type = pathI.next();
+            switch(type) {
+                case MOVETO:
+                    final Outline lo = this.getLastOutline();
+                    final int lo_sz = lo.getVertexCount();
+                    if ( 0 == lo_sz ) {
+                        addVertex(points, idx,   2, true);
+                        break;
+                    } else if ( !connect ) {
+                        closeLastOutline(false);
+                        addEmptyOutline();
+                        addVertex(points, idx,   2, true);
+                        break;
+                    }
+                    {
+                        // Skip if last vertex in last outline matching this point -> already connected.
+                        final float[] llc = lo.getVertex(lo_sz-1).getCoord();
+                        if( llc[0] == points[idx+0] &&
+                            llc[1] == points[idx+1] ) {
+                            break;
+                        }
+                    }
+                    // fallthrough: MOVETO -> LINETO
+                case LINETO:
+                    addVertex(points, idx,   2, true);
+                    break;
+                case QUADTO:
+                    addVertex(points, idx,   2, false);
+                    addVertex(points, idx+2, 2, true);
+                    break;
+                case CUBICTO:
+                    addVertex(points, idx,   2, false);
+                    addVertex(points, idx+2, 2, false);
+                    addVertex(points, idx+4, 2, true);
+                    break;
+                case CLOSE:
+                    closeLastOutline(true);
+                    addEmptyOutline();
+                    break;
+                default:
+                    throw new IllegalArgumentException("Unhandled Segment Type: "+type);
+            }
+            connect = false;
+        }
+    }
+
+    /**
+     * Append the given path geometry to this outline shape in reverse order.
+     *
+     * The given path geometry should be {@link Winding#CW}.
+     *
+     * If the given path geometry is {@link Winding#CCW}, use {@link #addPath(Path2F, boolean)}.
+     *
+     * @param path the {@link Path2F} to append to this outline shape, should be {@link Winding#CW}.
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     */
+    public void addPathRev(final Path2F path, final boolean connect) {
+        addPathRev(path.iterator(null), connect);
+    }
+
+    /**
+     * Add the given {@link Path2F.Iterator} to this outline shape in reverse order.
+     *
+     * The given path geometry should be {@link Winding#CW}.
+     *
+     * If the given path geometry is {@link Winding#CCW}, use {@link #addPath(Path2F.Iterator, boolean).
+     *
+     * @param pathI the {@link Path2F.Iterator} to append to this outline shape, should be {@link Winding#CW}.
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     */
+    public final void addPathRev(final Path2F.Iterator pathI, boolean connect) {
+        final float[] points = pathI.points();
+        while ( pathI.hasNext() ) {
+            final int idx = pathI.index();
+            final Path2F.SegmentType type = pathI.next();
+            switch(type) {
+                case MOVETO:
+                    final Outline lo = this.getLastOutline();
+                    final int lo_sz = lo.getVertexCount();
+                    if ( 0 == lo_sz ) {
+                        addVertex(0, points, idx,   2, true);
+                        break;
+                    } else if ( !connect ) {
+                        closeLastOutline(false);
+                        addEmptyOutline();
+                        addVertex(0, points, idx,   2, true);
+                        break;
+                    }
+                    {
+                        // Skip if last vertex in last outline matching this point -> already connected.
+                        final float[] llc = lo.getVertex(0).getCoord();
+                        if( llc[0] == points[idx+0] &&
+                            llc[1] == points[idx+1] ) {
+                            break;
+                        }
+                    }
+                    // fallthrough: MOVETO -> LINETO
+                case LINETO:
+                    addVertex(0, points, idx,   2, true);
+                    break;
+                case QUADTO:
+                    addVertex(0, points, idx,   2, false);
+                    addVertex(0, points, idx+2, 2, true);
+                    break;
+                case CUBICTO:
+                    addVertex(0, points, idx,   2, false);
+                    addVertex(0, points, idx+2, 2, false);
+                    addVertex(0, points, idx+4, 2, true);
+                    break;
+                case CLOSE:
+                    closeLastOutline(true);
+                    addEmptyOutline();
+                    break;
+                default:
+                    throw new IllegalArgumentException("Unhandled Segment Type: "+type);
+            }
+            connect = false;
+        }
+    }
+
+    /**
+     * Start a new position for the next line segment at given point x/y (P1).
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
+     * @param x point (P1)
+     * @param y point (P1)
+     * @see Path2F#moveTo(float, float)
+     * @see #addPath(com.jogamp.graph.geom.plane.Path2F.Iterator, boolean)
+     */
+    public final void moveTo(final float x, final float y) {
+        if ( 0 == getLastOutline().getVertexCount() ) {
+            addVertex(x, y, true);
+        } else {
+            closeLastOutline(false);
+            addEmptyOutline();
+            addVertex(x, y, true);
+        }
+    }
+
+    /**
+     * Add a line segment, intersecting the last point and the given point x/y (P1).
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
+     * @param x final point (P1)
+     * @param y final point (P1)
+     * @see Path2F#lineTo(float, float)
+     * @see #addPath(com.jogamp.graph.geom.plane.Path2F.Iterator, boolean)
+     */
+    public final void lineTo(final float x, final float y) {
+        addVertex(x, y, true);
+    }
+
+    /**
+     * Add a quadratic curve segment, intersecting the last point and the second given point x2/y2 (P2).
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
+     * @param x1 quadratic parametric control point (P1)
+     * @param y1 quadratic parametric control point (P1)
+     * @param x2 final interpolated control point (P2)
+     * @param y2 final interpolated control point (P2)
+     * @see Path2F#quadTo(float, float, float, float)
+     * @see #addPath(com.jogamp.graph.geom.plane.Path2F.Iterator, boolean)
+     */
+    public final void quadTo(final float x1, final float y1, final float x2, final float y2) {
+        addVertex(x1, y1, false);
+        addVertex(x2, y2, true);
+    }
+
+    /**
+     * Add a cubic Bézier curve segment, intersecting the last point and the second given point x3/y3 (P3).
+     *
+     * The constructed shape should be {@link Winding#CCW}.
+     *
+     * @param x1 Bézier control point (P1)
+     * @param y1 Bézier control point (P1)
+     * @param x2 Bézier control point (P2)
+     * @param y2 Bézier control point (P2)
+     * @param x3 final interpolated control point (P3)
+     * @param y3 final interpolated control point (P3)
+     * @see Path2F#cubicTo(float, float, float, float, float, float)
+     * @see #addPath(com.jogamp.graph.geom.plane.Path2F.Iterator, boolean)
+     */
+    public final void cubicTo(final float x1, final float y1, final float x2, final float y2, final float x3, final float y3) {
+        addVertex(x1, y1, false);
+        addVertex(x2, y2, false);
+        addVertex(x3, y3, true);
+    }
+
+    /**
+     * Closes the current sub-path segment by drawing a straight line back to the coordinates of the last moveTo. If the path is already closed then this method has no effect.
+     * @see Path2F#closePath()
+     * @see #addPath(com.jogamp.graph.geom.plane.Path2F.Iterator, boolean)
+     */
+    public final void closePath() {
+        if ( 0 < getLastOutline().getVertexCount() ) {
+            closeLastOutline(true);
+            addEmptyOutline();
+        }
+    }
+
+    /**
      * Return the outline's vertices state, {@link OutlineShape.VerticesState}
      */
     public final VerticesState getOutlineState() {
diff --git a/src/jogl/classes/com/jogamp/graph/geom/Outline.java b/src/jogl/classes/com/jogamp/graph/geom/Outline.java
index 486e787a2..b18d51849 100644
--- a/src/jogl/classes/com/jogamp/graph/geom/Outline.java
+++ b/src/jogl/classes/com/jogamp/graph/geom/Outline.java
@@ -29,7 +29,6 @@ package com.jogamp.graph.geom;
 
 import java.util.ArrayList;
 
-import com.jogamp.graph.geom.Vertex;
 import com.jogamp.graph.geom.plane.AffineTransform;
 import com.jogamp.graph.curve.OutlineShape;
 import com.jogamp.graph.curve.Region;
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/AffineTransform.java b/src/jogl/classes/com/jogamp/graph/geom/plane/AffineTransform.java
index a5b3cac93..62cda0322 100644
--- a/src/jogl/classes/com/jogamp/graph/geom/plane/AffineTransform.java
+++ b/src/jogl/classes/com/jogamp/graph/geom/plane/AffineTransform.java
@@ -530,7 +530,7 @@ public class AffineTransform implements Cloneable {
         }
     }
 
-    public final Path2D createTransformedShape(final Path2D src) {
+    public final Path2F createTransformedShape(final Path2F src) {
         if (src == null) {
             return null;
         }
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/Crossing.java b/src/jogl/classes/com/jogamp/graph/geom/plane/Crossing2F.java
index 173f1d4b4..0cd4b66ff 100644
--- a/src/jogl/classes/com/jogamp/graph/geom/plane/Crossing.java
+++ b/src/jogl/classes/com/jogamp/graph/geom/plane/Crossing2F.java
@@ -21,9 +21,7 @@ package com.jogamp.graph.geom.plane;
 
 import com.jogamp.opengl.math.FloatUtil;
 
-
-
-public class Crossing {
+/* pp */ class Crossing2F {
 
     /**
      * Allowable tolerance for bounds comparison
@@ -464,38 +462,36 @@ public class Crossing {
     /**
      * Returns how many times ray from point (x,y) cross path
      */
-    public static int crossPath(final PathIterator p, final float x, final float y) {
+    public static int crossPath(final Path2F.Iterator p, final float x, final float y) {
         int cross = 0;
         float mx, my, cx, cy;
         mx = my = cx = cy = 0.0f;
-        final float coords[] = new float[6];
-
-        while (!p.isDone()) {
-            final int segmentType = p.currentSegment(coords);
+        final float[] points = p.points();
+        while ( p.hasNext() ) {
+            final int idx = p.index();
+            final Path2F.SegmentType segmentType = p.next();
             switch (segmentType) {
-                case PathIterator.SEG_MOVETO:
+                case MOVETO:
                     if (cx != mx || cy != my) {
                         cross += crossLine(cx, cy, mx, my, x, y);
                     }
-                    mx = cx = coords[0];
-                    my = cy = coords[1];
+                    mx = cx = points[idx+0];
+                    my = cy = points[idx+1];
                     break;
-                case PathIterator.SEG_LINETO:
-                    cross += crossLine(cx, cy, cx = coords[0], cy = coords[1], x, y);
+                case LINETO:
+                    cross += crossLine(cx, cy, cx = points[idx+0], cy = points[idx+1], x, y);
                     break;
-                case PathIterator.SEG_QUADTO:
-                    cross += crossQuad(cx, cy, coords[0], coords[1], cx = coords[2], cy = coords[3], x, y);
+                case QUADTO:
+                    cross += crossQuad(cx, cy, points[idx+0], points[idx+1], cx = points[idx+2], cy = points[idx+3], x, y);
                     break;
-                case PathIterator.SEG_CUBICTO:
-                    cross += crossCubic(cx, cy, coords[0], coords[1], coords[2], coords[3], cx = coords[4], cy = coords[5], x, y);
+                case CUBICTO:
+                    cross += crossCubic(cx, cy, points[idx+0], points[idx+1], points[idx+2], points[idx+3], cx = points[idx+4], cy = points[idx+5], x, y);
                     break;
-                case PathIterator.SEG_CLOSE:
+                case CLOSE:
                     if (cy != my || cx != mx) {
                         cross += crossLine(cx, cy, cx = mx, cy = my, x, y);
                     }
                     break;
-                default:
-                    throw new IllegalArgumentException("Unhandled Segment Type: "+segmentType);
             }
 
             // checks if the point (x,y) is the vertex of shape with PathIterator p
@@ -504,7 +500,6 @@ public class Crossing {
                 cy = my;
                 break;
             }
-            p.next();
         }
         if (cy != my) {
             cross += crossLine(cx, cy, mx, my, x, y);
@@ -515,7 +510,7 @@ public class Crossing {
     /**
      * Returns how many times ray from point (x,y) cross shape
      */
-    public static int crossShape(final Path2D s, final float x, final float y) {
+    public static int crossShape(final Path2F s, final float x, final float y) {
         if (!s.getBounds2D().contains(x, y)) {
             return 0;
         }
@@ -819,54 +814,53 @@ public class Crossing {
     /**
      * Returns how many times rectangle stripe cross path or the are intersect
      */
-    public static int intersectPath(final PathIterator p, final float x, final float y, final float w, final float h) {
+    public static int intersectPath(final Path2F.Iterator p, final float x, final float y, final float w, final float h) {
 
         int cross = 0;
         int count;
         float mx, my, cx, cy;
         mx = my = cx = cy = 0.0f;
-        final float coords[] = new float[6];
 
         final float rx1 = x;
         final float ry1 = y;
         final float rx2 = x + w;
         final float ry2 = y + h;
 
-        while (!p.isDone()) {
+        final float[] points = p.points();
+
+        while ( p.hasNext() ) {
+            final int idx = p.index();
+            final Path2F.SegmentType segmentType = p.next();
             count = 0;
-            final int segmentType = p.currentSegment(coords);
             switch (segmentType) {
-                case PathIterator.SEG_MOVETO:
+                case MOVETO:
                     if (cx != mx || cy != my) {
                         count = intersectLine(cx, cy, mx, my, rx1, ry1, rx2, ry2);
                     }
-                    mx = cx = coords[0];
-                    my = cy = coords[1];
+                    mx = cx = points[idx+0];
+                    my = cy = points[idx+1];
                     break;
-                case PathIterator.SEG_LINETO:
-                    count = intersectLine(cx, cy, cx = coords[0], cy = coords[1], rx1, ry1, rx2, ry2);
+                case LINETO:
+                    count = intersectLine(cx, cy, cx = points[idx+0], cy = points[idx+1], rx1, ry1, rx2, ry2);
                     break;
-                case PathIterator.SEG_QUADTO:
-                    count = intersectQuad(cx, cy, coords[0], coords[1], cx = coords[2], cy = coords[3], rx1, ry1, rx2, ry2);
+                case QUADTO:
+                    count = intersectQuad(cx, cy, points[idx+0], points[idx+1], cx = points[idx+2], cy = points[idx+3], rx1, ry1, rx2, ry2);
                     break;
-                case PathIterator.SEG_CUBICTO:
-                    count = intersectCubic(cx, cy, coords[0], coords[1], coords[2], coords[3], cx = coords[4], cy = coords[5], rx1, ry1, rx2, ry2);
+                case CUBICTO:
+                    count = intersectCubic(cx, cy, points[idx+0], points[idx+1], points[idx+2], points[idx+3], cx = points[idx+4], cy = points[idx+5], rx1, ry1, rx2, ry2);
                     break;
-                case PathIterator.SEG_CLOSE:
+                case CLOSE:
                     if (cy != my || cx != mx) {
                         count = intersectLine(cx, cy, mx, my, rx1, ry1, rx2, ry2);
                     }
                     cx = mx;
                     cy = my;
                     break;
-                default:
-                    throw new IllegalArgumentException("Unhandled Segment Type: "+segmentType);
             }
             if (count == CROSSING) {
                 return CROSSING;
             }
             cross += count;
-            p.next();
         }
         if (cy != my) {
             count = intersectLine(cx, cy, mx, my, rx1, ry1, rx2, ry2);
@@ -881,7 +875,7 @@ public class Crossing {
     /**
      * Returns how many times rectangle stripe cross shape or the are intersect
      */
-    public static int intersectShape(final Path2D s, final float x, final float y, final float w, final float h) {
+    public static int intersectShape(final Path2F s, final float x, final float y, final float w, final float h) {
         if (!s.getBounds2D().intersects2DRegion(x, y, w, h)) {
             return 0;
         }
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java b/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java
deleted file mode 100644
index 8dbc5fd21..000000000
--- a/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one or more
- *  contributor license agreements.  See the NOTICE file distributed with
- *  this work for additional information regarding copyright ownership.
- *  The ASF licenses this file to You under the Apache License, Version 2.0
- *  (the "License"); you may not use this file except in compliance with
- *  the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-/**
- * @author Denis M. Kishenko
- * @author Sven Gothel
- */
-package com.jogamp.graph.geom.plane;
-
-import java.util.NoSuchElementException;
-
-import com.jogamp.graph.geom.SVertex;
-import com.jogamp.graph.geom.Vertex;
-import com.jogamp.opengl.math.geom.AABBox;
-
-
-public final class Path2D implements Cloneable {
-
-    public static final int WIND_EVEN_ODD = PathIterator.WIND_EVEN_ODD;
-    public static final int WIND_NON_ZERO = PathIterator.WIND_NON_ZERO;
-
-    static final String invalidWindingRuleValue = "Invalid winding rule value";
-    static final String iteratorOutOfBounds = "Iterator out of bounds";
-
-    /**
-     * The buffers size
-     */
-    private static final int BUFFER_SIZE = 10;
-
-    /**
-     * The buffers capacity
-     */
-    private static final int BUFFER_CAPACITY = 10;
-
-    /**
-     * The point's types buffer
-     */
-    byte[] m_types;
-
-    /**
-     * The points buffer
-     */
-    float[] m_points;
-
-    /**
-     * The point's type buffer size
-     */
-    int m_typeSize;
-
-    /**
-     * The points buffer size
-     */
-    int m_pointSize;
-
-    /**
-     * The path rule
-     */
-    int m_rule;
-
-    /**
-     * The space amount in points buffer for different segmenet's types
-     */
-    static int pointShift[] = {
-            2,  // MOVETO
-            2,  // LINETO
-            4,  // QUADTO
-            6,  // CUBICTO
-            0}; // CLOSE
-
-    /*
-     * GeneralPath path iterator
-     */
-    static class Iterator implements PathIterator {
-
-        /**
-         * The current cursor position in types buffer
-         */
-        int typeIndex;
-
-        /**
-         * The current cursor position in points buffer
-         */
-        int pointIndex;
-
-        /**
-         * The source GeneralPath object
-         */
-        Path2D p;
-
-        /**
-         * The path iterator transformation
-         */
-        AffineTransform t;
-
-        /**
-         * Constructs a new GeneralPath.Iterator for given general path
-         * @param path - the source GeneralPath object
-         */
-        Iterator(final Path2D path) {
-            this(path, null);
-        }
-
-        /**
-         * Constructs a new GeneralPath.Iterator for given general path and transformation
-         * @param path - the source GeneralPath object
-         * @param at - the AffineTransform object to apply rectangle path
-         */
-        Iterator(final Path2D path, final AffineTransform at) {
-            this.p = path;
-            this.t = at;
-        }
-
-        @Override
-        public int getWindingRule() {
-            return p.getWindingRule();
-        }
-
-        @Override
-        public int index() { return typeIndex; }
-
-        @Override
-        public float[] points() { return p.m_points; }
-
-        @Override
-        public int getType(final int idx) { return p.m_types[idx]; }
-
-        @Override
-        public boolean isDone() {
-            return typeIndex >= p.m_typeSize;
-        }
-
-        @Override
-        public void next() {
-            typeIndex++;
-        }
-
-        @Override
-        public int currentSegment(final float[] coords) {
-            if (isDone()) {
-                throw new NoSuchElementException(iteratorOutOfBounds);
-            }
-            final int type = p.m_types[typeIndex];
-            final int count = Path2D.pointShift[type];
-            System.arraycopy(p.m_points, pointIndex, coords, 0, count);
-            if (t != null) {
-                t.transform(coords, 0, coords, 0, count / 2);
-            }
-            pointIndex += count;
-            return type;
-        }
-
-    }
-
-    public static int getPointCount(final int type) { return pointShift[type]; }
-
-    public Path2D() {
-        this(WIND_NON_ZERO, BUFFER_SIZE);
-    }
-
-    public Path2D(final int rule) {
-        this(rule, BUFFER_SIZE);
-    }
-
-    public Path2D(final int rule, final int initialCapacity) {
-        setWindingRule(rule);
-        m_types = new byte[initialCapacity];
-        m_points = new float[initialCapacity * 2];
-    }
-
-    public Path2D(final Path2D path) {
-        this(WIND_NON_ZERO, BUFFER_SIZE);
-        final PathIterator p = path.iterator(null);
-        setWindingRule(p.getWindingRule());
-        append(p, false);
-    }
-
-    public void setWindingRule(final int rule) {
-        if (rule != WIND_EVEN_ODD && rule != WIND_NON_ZERO) {
-            throw new NoSuchElementException(invalidWindingRuleValue);
-        }
-        this.m_rule = rule;
-    }
-
-    public int getWindingRule() {
-        return m_rule;
-    }
-
-    /**
-     * Checks points and types buffer size to add pointCount points. If necessary realloc buffers to enlarge size.
-     * @param pointCount - the point count to be added in buffer
-     */
-    void checkBuf(final int pointCount, final boolean checkMove) {
-        if (checkMove && m_typeSize == 0) {
-            throw new IllegalPathStateException("First segment should be SEG_MOVETO type");
-        }
-        if (m_typeSize == m_types.length) {
-            final byte tmp[] = new byte[m_typeSize + BUFFER_CAPACITY];
-            System.arraycopy(m_types, 0, tmp, 0, m_typeSize);
-            m_types = tmp;
-        }
-        if (m_pointSize + pointCount > m_points.length) {
-            final float tmp[] = new float[m_pointSize + Math.max(BUFFER_CAPACITY * 2, pointCount)];
-            System.arraycopy(m_points, 0, tmp, 0, m_pointSize);
-            m_points = tmp;
-        }
-    }
-
-    public void moveTo(final float x, final float y) {
-        if (m_typeSize > 0 && m_types[m_typeSize - 1] == PathIterator.SEG_MOVETO) {
-            m_points[m_pointSize - 2] = x;
-            m_points[m_pointSize - 1] = y;
-        } else {
-            checkBuf(2, false);
-            m_types[m_typeSize++] = PathIterator.SEG_MOVETO;
-            m_points[m_pointSize++] = x;
-            m_points[m_pointSize++] = y;
-        }
-    }
-
-    public void lineTo(final float x, final float y) {
-        checkBuf(2, true);
-        m_types[m_typeSize++] = PathIterator.SEG_LINETO;
-        m_points[m_pointSize++] = x;
-        m_points[m_pointSize++] = y;
-    }
-
-    public void quadTo(final float x1, final float y1, final float x2, final float y2) {
-        checkBuf(4, true);
-        m_types[m_typeSize++] = PathIterator.SEG_QUADTO;
-        m_points[m_pointSize++] = x1;
-        m_points[m_pointSize++] = y1;
-        m_points[m_pointSize++] = x2;
-        m_points[m_pointSize++] = y2;
-    }
-
-    public void curveTo(final float x1, final float y1, final float x2, final float y2, final float x3, final float y3) {
-        checkBuf(6, true);
-        m_types[m_typeSize++] = PathIterator.SEG_CUBICTO;
-        m_points[m_pointSize++] = x1;
-        m_points[m_pointSize++] = y1;
-        m_points[m_pointSize++] = x2;
-        m_points[m_pointSize++] = y2;
-        m_points[m_pointSize++] = x3;
-        m_points[m_pointSize++] = y3;
-    }
-
-    final public int size() {
-        return m_typeSize;
-    }
-
-    final public boolean isClosed() {
-        return m_typeSize > 0 && m_types[m_typeSize - 1] == PathIterator.SEG_CLOSE ;
-    }
-
-    public void closePath() {
-        if (!isClosed()) {
-            checkBuf(0, true);
-            m_types[m_typeSize++] = PathIterator.SEG_CLOSE;
-        }
-    }
-
-    @Override
-    public String toString() {
-        return "[size "+size()+", closed "+isClosed()+"]";
-    }
-
-    public void append(final Path2D path, final boolean connect) {
-        final PathIterator p = path.iterator(null);
-        append(p, connect);
-    }
-
-    /**
-     * Append the given path geometry to this instance
-     * @param path the {@link PathIterator} to append to this {@link Path2D}
-     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
-     */
-    public void append(final PathIterator path, boolean connect) {
-        final float[] points = path.points();
-        while ( !path.isDone() ) {
-            final int index = path.index();
-            final int type = path.getType(index);
-            switch ( type ) {
-                case PathIterator.SEG_MOVETO:
-                    if ( !connect || 0 == m_typeSize ) {
-                        moveTo(points[index+0], points[index+1]);
-                        break;
-                    }
-                    if ( m_types[m_typeSize - 1] != PathIterator.SEG_CLOSE &&
-                         m_points[m_pointSize - 2] == points[index+0] &&
-                         m_points[m_pointSize - 1] == points[index+1]
-                       )
-                    {
-                        break;
-                    }
-                    // fallthrough: MOVETO -> LINETO
-                case PathIterator.SEG_LINETO:
-                    lineTo(points[index+0], points[index+1]);
-                    break;
-                case PathIterator.SEG_QUADTO:
-                    quadTo(points[index+0], points[index+1], points[index+2], points[index+3]);
-                    break;
-                case PathIterator.SEG_CUBICTO:
-                    curveTo(points[index+0], points[index+1], points[index+2], points[index+3], points[index+4], points[index+5]);
-                    break;
-                case PathIterator.SEG_CLOSE:
-                    closePath();
-                    break;
-                default:
-                    throw new IllegalArgumentException("Unhandled Segment Type: "+type);
-            }
-            path.next();
-            connect = false;
-        }
-    }
-
-    public SVertex getCurrentPoint() {
-        if (m_typeSize == 0) {
-            return null;
-        }
-        int j = m_pointSize - 2;
-        if (m_types[m_typeSize - 1] == PathIterator.SEG_CLOSE) {
-
-            for (int i = m_typeSize - 2; i > 0; i--) {
-                final int type = m_types[i];
-                if (type == PathIterator.SEG_MOVETO) {
-                    break;
-                }
-                j -= pointShift[type];
-            }
-        }
-        return new SVertex(m_points[j], m_points[j + 1], 0f, true);
-    }
-
-    public void reset() {
-        m_typeSize = 0;
-        m_pointSize = 0;
-    }
-
-    public void transform(final AffineTransform t) {
-        t.transform(m_points, 0, m_points, 0, m_pointSize / 2);
-    }
-
-    public Path2D createTransformedShape(final AffineTransform t) {
-        final Path2D p = (Path2D)clone();
-        if (t != null) {
-            p.transform(t);
-        }
-        return p;
-    }
-
-    public final synchronized AABBox getBounds2D() {
-        float rx1, ry1, rx2, ry2;
-        if (m_pointSize == 0) {
-            rx1 = ry1 = rx2 = ry2 = 0.0f;
-        } else {
-            int i = m_pointSize - 1;
-            ry1 = ry2 = m_points[i--];
-            rx1 = rx2 = m_points[i--];
-            while (i > 0) {
-                final float y = m_points[i--];
-                final float x = m_points[i--];
-                if (x < rx1) {
-                    rx1 = x;
-                } else
-                    if (x > rx2) {
-                        rx2 = x;
-                    }
-                if (y < ry1) {
-                    ry1 = y;
-                } else
-                    if (y > ry2) {
-                        ry2 = y;
-                    }
-            }
-        }
-        return new AABBox(rx1, ry1, 0f, rx2, ry2, 0f);
-    }
-
-    /**
-     * Checks cross count according to path rule to define is it point inside shape or not.
-     * @param cross - the point cross count
-     * @return true if point is inside path, or false otherwise
-     */
-    boolean isInside(final int cross) {
-        if (m_rule == WIND_NON_ZERO) {
-            return Crossing.isInsideNonZero(cross);
-        }
-        return Crossing.isInsideEvenOdd(cross);
-    }
-
-    public boolean contains(final float px, final float py) {
-        return isInside(Crossing.crossShape(this, px, py));
-    }
-
-    public boolean contains(final float rx, final float ry, final float rw, final float rh) {
-        final int cross = Crossing.intersectShape(this, rx, ry, rw, rh);
-        return cross != Crossing.CROSSING && isInside(cross);
-    }
-
-    public boolean intersects(final float rx, final float ry, final float rw, final float rh) {
-        final int cross = Crossing.intersectShape(this, rx, ry, rw, rh);
-        return cross == Crossing.CROSSING || isInside(cross);
-    }
-
-    public boolean contains(final Vertex p) {
-        return contains(p.getX(), p.getY());
-    }
-
-    public boolean contains(final AABBox r) {
-        return contains(r.getMinX(), r.getMinY(), r.getWidth(), r.getHeight());
-    }
-
-    public boolean intersects(final AABBox r) {
-        return intersects(r.getMinX(), r.getMinY(), r.getWidth(), r.getHeight());
-    }
-
-    public PathIterator iterator() {
-        return new Iterator(this);
-    }
-
-    public PathIterator iterator(final AffineTransform t) {
-        return new Iterator(this, t);
-    }
-
-    /* public PathIterator getPathIterator(AffineTransform t, float flatness) {
-        return new FlatteningPathIterator(getPathIterator(t), flatness);
-    } */
-
-    @Override
-    public Object clone() {
-        try {
-            final Path2D p = (Path2D) super.clone();
-            p.m_types = m_types.clone();
-            p.m_points = m_points.clone();
-            return p;
-        } catch (final CloneNotSupportedException e) {
-            throw new InternalError();
-        }
-    }
-}
-
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/Path2F.java b/src/jogl/classes/com/jogamp/graph/geom/plane/Path2F.java
new file mode 100644
index 000000000..588232d9a
--- /dev/null
+++ b/src/jogl/classes/com/jogamp/graph/geom/plane/Path2F.java
@@ -0,0 +1,603 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * @author Denis M. Kishenko
+ * @author Sven Gothel
+ */
+package com.jogamp.graph.geom.plane;
+
+import java.io.PrintStream;
+import java.util.NoSuchElementException;
+
+import com.jogamp.opengl.math.geom.AABBox;
+
+/**
+ * Path2F represents and provides construction method for a 2D shape using float[2] points.
+ */
+public final class Path2F implements Cloneable {
+    static final String invalidWindingRuleValue = "Invalid winding rule value";
+    static final String iteratorOutOfBounds = "Iterator out of bounds";
+
+    /** A Path2D segment type */
+    public static enum SegmentType {
+        MOVETO(1),
+        LINETO(1),
+        QUADTO(2),
+        CUBICTO(3),
+        CLOSE(0);
+
+        /** Number of points associated with this segment type */
+        public final int point_count;
+
+        /** Return the integer segment type value as a byte */
+        public byte integer() {
+            return (byte) this.ordinal();
+        }
+
+        /** Return the SegmentType associated with the integer segment type */
+        public static SegmentType valueOf(final int type) {
+            switch( type ) {
+                case 0: return MOVETO;
+                case 1: return LINETO;
+                case 2: return QUADTO;
+                case 3: return CUBICTO;
+                case 4: return CLOSE;
+                default:
+                    throw new IllegalArgumentException("Unhandled Segment Type: "+type);
+            }
+        }
+
+        /** Return the number of points associated with the integer segment type */
+        public static int getPointCount(final int type) {
+            switch( type ) {
+                case 0: return MOVETO.point_count;
+                case 1: return LINETO.point_count;
+                case 2: return QUADTO.point_count;
+                case 3: return CUBICTO.point_count;
+                case 4: return CLOSE.point_count;
+                default:
+                    throw new IllegalArgumentException("Unhandled Segment Type: "+type);
+            }
+        }
+
+        SegmentType(final int v) {
+            this.point_count = v;
+        }
+    }
+
+    /**
+     * The buffers size
+     */
+    private static final int BUFFER_SIZE = 10;
+
+    /**
+     * The buffers capacity
+     */
+    private static final int BUFFER_CAPACITY = 10;
+
+    /**
+     * The point's types buffer
+     */
+    private byte[] m_types;
+
+    /**
+     * The points buffer
+     */
+    private float[] m_points;
+
+    /**
+     * The point's type buffer size
+     */
+    private int m_typeSize;
+
+    /**
+     * The points buffer size
+     */
+    private int m_pointSize;
+
+    /**
+     * The winding path rule
+     */
+    private WindingRule m_rule;
+
+    /*
+     * GeneralPath path iterator
+     */
+    public static final class Iterator {
+
+        /**
+         * The source GeneralPath object
+         */
+        private final Path2F p;
+
+        /**
+         * The path iterator transformation
+         */
+        private final AffineTransform t;
+
+        /**
+         * The current cursor position in types buffer
+         */
+        private int typeIndex;
+
+        /**
+         * The current cursor position in points buffer
+         */
+        private int pointIndex;
+
+        /**
+         * Constructs a new GeneralPath.Iterator for given general path
+         * @param path - the source GeneralPath object
+         */
+        Iterator(final Path2F path) {
+            this(path, null);
+        }
+
+        /**
+         * Constructs a new GeneralPath.Iterator for given general path and transformation
+         * @param path - the source GeneralPath object
+         * @param at - the AffineTransform object to apply rectangle path
+         */
+        public Iterator(final Path2F path, final AffineTransform at) {
+            this.p = path;
+            this.t = at;
+            reset();
+        }
+
+        private void reset() {
+            typeIndex = 0;
+            pointIndex = 0;
+        }
+
+        /** Return the {@link WindingRule} set */
+        public WindingRule getWindingRule() {
+            return p.getWindingRule();
+        }
+
+        /**
+         * Compute the  general winding of the vertices
+         * @return CCW or CW {@link Winding}
+         */
+        public Winding getWinding() {
+            return area() >= 0 ? Winding.CCW : Winding.CW ;
+        }
+
+        /** Returns reference of the point array covering the whole iteration of Path2D, use {@link #index()} to access the current point. */
+        public float[] points() { return p.m_points; }
+
+        /** Return the {@link #points()} index for the current segment. */
+        public int index() { return pointIndex; }
+
+        /** Return current segment type */
+        public SegmentType getType() { return SegmentType.valueOf( p.m_types[typeIndex] ); }
+
+        /**
+         * Return the current segment type and copies the current segment's points to given storage
+         * @param coords storage for current segment's points
+         * @return current segment type
+         * @see #points()
+         * @see #type_index()
+         * @see #getType()
+         * @deprecated try to use {@link #index()}, {@link #points()} and {@link #next()} to avoid copying
+         */
+        @Deprecated
+        public SegmentType currentSegment(final float[] coords) {
+            if (!hasNext()) {
+                throw new NoSuchElementException(iteratorOutOfBounds);
+            }
+            final SegmentType type = getType();
+            final int count = type.point_count;
+            System.arraycopy(p.m_points, pointIndex, coords, 0, count*2);
+            if (t != null) {
+                t.transform(coords, 0, coords, 0, count);
+            }
+            return type;
+        }
+
+        /** Returns true if the iteration has more elements. */
+        public boolean hasNext() {
+            return typeIndex < p.m_typeSize;
+        }
+
+        /** Returns the current segment type in the iteration, then moving to the next path segment. */
+        public SegmentType next() {
+            final SegmentType t = getType();
+            pointIndex += 2 * t.point_count;
+            ++typeIndex;
+            return t;
+        }
+
+        /**
+         * Computes the area of the path to check if ccw
+         * @return positive area if ccw else negative area value
+         */
+        private float area() {
+            float area = 0.0f;
+            final float[] points = points();
+            final float[] pCoord = new float[2];
+            while ( hasNext() ) {
+                final int idx = index();
+                final SegmentType type = next();
+                switch ( type ) {
+                    case MOVETO:
+                        pCoord[0] = points[idx+0];
+                        pCoord[1] = points[idx+1];
+                        break;
+                    case LINETO:
+                        area += pCoord[0] * points[idx+1] - points[idx+0] * pCoord[1];
+                        pCoord[0] = points[idx+0];
+                        pCoord[1] = points[idx+1];
+                        break;
+                    case QUADTO:
+                        area += pCoord[0]     * points[idx+1] - points[idx+0] * pCoord[1];
+                        area += points[idx+0] * points[idx+3] - points[idx+2] * points[idx+1];
+                        pCoord[0] = points[idx+2];
+                        pCoord[1] = points[idx+3];
+                        break;
+                    case CUBICTO:
+                        area += pCoord[0]     * points[idx+1] - points[idx+0] * pCoord[1];
+                        area += points[idx+0] * points[idx+3] - points[idx+2] * points[idx+1];
+                        area += points[idx+2] * points[idx+5] - points[idx+4] * points[idx+3];
+                        pCoord[0] = points[idx+4];
+                        pCoord[1] = points[idx+5];
+                        break;
+                    case CLOSE:
+                        break;
+                }
+            }
+            reset();
+            return area;
+        }
+    }
+
+    public Path2F() {
+        this(WindingRule.NON_ZERO, BUFFER_SIZE, BUFFER_SIZE);
+    }
+
+    public Path2F(final WindingRule rule) {
+        this(rule, BUFFER_SIZE, BUFFER_SIZE);
+    }
+
+    public Path2F(final WindingRule rule, final int initialCapacity) {
+        this(rule, initialCapacity, initialCapacity);
+    }
+
+    public Path2F(final WindingRule rule, final int initialTypeCapacity, final int initialPointCapacity) {
+        setWindingRule(rule);
+        m_types = new byte[initialTypeCapacity];
+        m_points = new float[initialPointCapacity * 2];
+    }
+
+    public Path2F(final Path2F path) {
+        this(WindingRule.NON_ZERO, BUFFER_SIZE);
+        final Iterator p = path.iterator(null);
+        setWindingRule(p.getWindingRule());
+        append(p, false);
+    }
+
+    /** Set the {@link WindingRule} set */
+    public void setWindingRule(final WindingRule rule) {
+        this.m_rule = rule;
+    }
+
+    /** Return the {@link WindingRule} set */
+    public WindingRule getWindingRule() {
+        return m_rule;
+    }
+
+    /**
+     * Checks points and types buffer size to add pointCount points. If necessary realloc buffers to enlarge size.
+     * @param pointCount - the point count to be added in buffer
+     */
+    private void checkBuf(final int pointCount, final boolean checkMove) {
+        if (checkMove && m_typeSize == 0) {
+            throw new IllegalPathStateException("First segment should be SEG_MOVETO type");
+        }
+        if (m_typeSize == m_types.length) {
+            final byte tmp[] = new byte[m_typeSize + BUFFER_CAPACITY];
+            System.arraycopy(m_types, 0, tmp, 0, m_typeSize);
+            m_types = tmp;
+        }
+        if (m_pointSize + pointCount > m_points.length) {
+            final float tmp[] = new float[m_pointSize + Math.max(BUFFER_CAPACITY * 2, pointCount)];
+            System.arraycopy(m_points, 0, tmp, 0, m_pointSize);
+            m_points = tmp;
+        }
+    }
+
+    /**
+     * Start a new position for the next line segment at given point x/y (P1).
+     * @param x point (P1)
+     * @param y point (P1)
+     */
+    public void moveTo(final float x, final float y) {
+        if ( m_typeSize > 0 && m_types[m_typeSize - 1] == SegmentType.MOVETO.integer() ) {
+            m_points[m_pointSize - 2] = x;
+            m_points[m_pointSize - 1] = y;
+        } else {
+            checkBuf(2, false);
+            m_types[m_typeSize++] = SegmentType.MOVETO.integer();
+            m_points[m_pointSize++] = x;
+            m_points[m_pointSize++] = y;
+        }
+    }
+
+    /**
+     * Add a line segment, intersecting the last point and the given point x/y (P1).
+     * @param x final point (P1)
+     * @param y final point (P1)
+     */
+    public void lineTo(final float x, final float y) {
+        checkBuf(2, true);
+        m_types[m_typeSize++] = SegmentType.LINETO.integer();
+        m_points[m_pointSize++] = x;
+        m_points[m_pointSize++] = y;
+    }
+
+    /**
+     * Add a quadratic curve segment, intersecting the last point and the second given point x2/y2 (P2).
+     * @param x1 quadratic parametric control point (P1)
+     * @param y1 quadratic parametric control point (P1)
+     * @param x2 final interpolated control point (P2)
+     * @param y2 final interpolated control point (P2)
+     */
+    public void quadTo(final float x1, final float y1, final float x2, final float y2) {
+        checkBuf(4, true);
+        m_types[m_typeSize++] = SegmentType.QUADTO.integer();
+        m_points[m_pointSize++] = x1;
+        m_points[m_pointSize++] = y1;
+        m_points[m_pointSize++] = x2;
+        m_points[m_pointSize++] = y2;
+    }
+
+    /**
+     * Add a cubic Bézier curve segment, intersecting the last point and the second given point x3/y3 (P3).
+     * @param x1 Bézier control point (P1)
+     * @param y1 Bézier control point (P1)
+     * @param x2 Bézier control point (P2)
+     * @param y2 Bézier control point (P2)
+     * @param x3 final interpolated control point (P3)
+     * @param y3 final interpolated control point (P3)
+     */
+    public void cubicTo(final float x1, final float y1, final float x2, final float y2, final float x3, final float y3) {
+        checkBuf(6, true);
+        m_types[m_typeSize++] = SegmentType.CUBICTO.integer();
+        m_points[m_pointSize++] = x1;
+        m_points[m_pointSize++] = y1;
+        m_points[m_pointSize++] = x2;
+        m_points[m_pointSize++] = y2;
+        m_points[m_pointSize++] = x3;
+        m_points[m_pointSize++] = y3;
+    }
+
+    /**
+     * Closes the current sub-path segment by drawing a straight line back to the coordinates of the last moveTo. If the path is already closed then this method has no effect.
+     */
+    public void closePath() {
+        if (!isClosed()) {
+            checkBuf(0, true);
+            m_types[m_typeSize++] = SegmentType.CLOSE.integer();
+        }
+    }
+
+    final public int size() {
+        return m_typeSize;
+    }
+
+    /**
+     * Returns true if the last sub-path is closed, otherwise false.
+     */
+    final public boolean isClosed() {
+        return m_typeSize > 0 && m_types[m_typeSize - 1] == SegmentType.CLOSE.integer() ;
+    }
+
+    /**
+     * Compute the  general winding of the vertices
+     * @param vertices array of Vertices
+     * @return CCW or CW {@link Winding}
+     */
+    public Winding getWinding() {
+        return iterator(null).getWinding();
+    }
+
+    @Override
+    public String toString() {
+        return "[size "+size()+", closed "+isClosed()+", winding[rule "+getWindingRule()+", "+getWinding()+"]]";
+    }
+
+    /**
+     * Append the given path geometry to this instance
+     * @param path the {@link Path2F} to append to this instance
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     */
+    public void append(final Path2F path, final boolean connect) {
+        append(path.iterator(null), connect);
+    }
+
+    /**
+     * Append the given path geometry to this instance
+     * @param path the {@link Path2F.Iterator} to append to this instance
+     * @param connect pass true to turn an initial moveTo segment into a lineTo segment to connect the new geometry to the existing path, otherwise pass false.
+     */
+    public void append(final Iterator path, boolean connect) {
+        final float[] points = path.points();
+        while ( path.hasNext() ) {
+            final int idx = path.index();
+            final SegmentType type = path.next();
+            switch ( type ) {
+                case MOVETO:
+                    if ( !connect || 0 == m_typeSize ) {
+                        moveTo(points[idx+0], points[idx+1]);
+                        break;
+                    }
+                    if ( m_types[m_typeSize - 1] != SegmentType.CLOSE.integer() &&
+                         m_points[m_pointSize - 2] == points[idx+0] &&
+                         m_points[m_pointSize - 1] == points[idx+1]
+                       )
+                    {
+                        break;
+                    }
+                    // fallthrough: MOVETO -> LINETO
+                case LINETO:
+                    lineTo(points[idx+0], points[idx+1]);
+                    break;
+                case QUADTO:
+                    quadTo(points[idx+0], points[idx+1], points[idx+2], points[idx+3]);
+                    break;
+                case CUBICTO:
+                    cubicTo(points[idx+0], points[idx+1], points[idx+2], points[idx+3], points[idx+4], points[idx+5]);
+                    break;
+                case CLOSE:
+                    closePath();
+                    break;
+            }
+            connect = false;
+        }
+    }
+
+    public void printSegments(final PrintStream out) {
+        final Iterator path = iterator();
+        final float[] points = path.points();
+        int i = 0;
+        while ( path.hasNext() ) {
+            final int idx = path.index();
+            final SegmentType type = path.next();
+            switch ( type ) {
+                case MOVETO:
+                    out.printf("%2d: moveTo(%.4f/%.4f)%n", i, points[idx+0], points[idx+1]);
+                    break;
+                case LINETO:
+                    out.printf("%2d: lineTo(%.4f/%.4f)%n", i, points[idx+0], points[idx+1]);
+                    break;
+                case QUADTO:
+                    out.printf("%2d: quadTo(%.4f/%.4f, %.4f/%.4f)%n", i, points[idx+0], points[idx+1], points[idx+2], points[idx+3]);
+                    break;
+                case CUBICTO:
+                    out.printf("%2d: cubicTo(%.4f/%.4f, %.4f/%.4f, %.4f/%.4f)%n", i, points[idx+0], points[idx+1], points[idx+2], points[idx+3], points[idx+4], points[idx+5]);
+                    break;
+                case CLOSE:
+                    out.printf("%2d: closePath()%n", i);
+                    break;
+            }
+            ++i;
+        }
+    }
+
+    public void reset() {
+        m_typeSize = 0;
+        m_pointSize = 0;
+    }
+
+    public void transform(final AffineTransform t) {
+        t.transform(m_points, 0, m_points, 0, m_pointSize / 2);
+    }
+
+    public Path2F createTransformedShape(final AffineTransform t) {
+        final Path2F p = (Path2F)clone();
+        if (t != null) {
+            p.transform(t);
+        }
+        return p;
+    }
+
+    public final synchronized AABBox getBounds2D() {
+        float rx1, ry1, rx2, ry2;
+        if (m_pointSize == 0) {
+            rx1 = ry1 = rx2 = ry2 = 0.0f;
+        } else {
+            int i = m_pointSize - 1;
+            ry1 = ry2 = m_points[i--];
+            rx1 = rx2 = m_points[i--];
+            while (i > 0) {
+                final float y = m_points[i--];
+                final float x = m_points[i--];
+                if (x < rx1) {
+                    rx1 = x;
+                } else
+                    if (x > rx2) {
+                        rx2 = x;
+                    }
+                if (y < ry1) {
+                    ry1 = y;
+                } else
+                    if (y > ry2) {
+                        ry2 = y;
+                    }
+            }
+        }
+        return new AABBox(rx1, ry1, 0f, rx2, ry2, 0f);
+    }
+
+    /**
+     * Checks cross count according to path rule to define is it point inside shape or not.
+     * @param cross - the point cross count
+     * @return true if point is inside path, or false otherwise
+     */
+    boolean isInside(final int cross) {
+        if (m_rule == WindingRule.NON_ZERO) {
+            return Crossing2F.isInsideNonZero(cross);
+        }
+        return Crossing2F.isInsideEvenOdd(cross);
+    }
+
+    public boolean contains(final float px, final float py) {
+        return isInside(Crossing2F.crossShape(this, px, py));
+    }
+
+    public boolean contains(final float rx, final float ry, final float rw, final float rh) {
+        final int cross = Crossing2F.intersectShape(this, rx, ry, rw, rh);
+        return cross != Crossing2F.CROSSING && isInside(cross);
+    }
+
+    public boolean intersects(final float rx, final float ry, final float rw, final float rh) {
+        final int cross = Crossing2F.intersectShape(this, rx, ry, rw, rh);
+        return cross == Crossing2F.CROSSING || isInside(cross);
+    }
+
+    public boolean contains(final AABBox r) {
+        return contains(r.getMinX(), r.getMinY(), r.getWidth(), r.getHeight());
+    }
+
+    public boolean intersects(final AABBox r) {
+        return intersects(r.getMinX(), r.getMinY(), r.getWidth(), r.getHeight());
+    }
+
+    public Iterator iterator() {
+        return new Iterator(this);
+    }
+
+    public Iterator iterator(final AffineTransform t) {
+        return new Iterator(this, t);
+    }
+
+    /* public Path2F.Iterator getPathIterator(AffineTransform t, float flatness) {
+        return new FlatteningPathIterator(getPathIterator(t), flatness);
+    } */
+
+    @Override
+    public Object clone() {
+        try {
+            final Path2F p = (Path2F) super.clone();
+            p.m_types = m_types.clone();
+            p.m_points = m_points.clone();
+            return p;
+        } catch (final CloneNotSupportedException e) {
+            throw new InternalError();
+        }
+    }
+}
+
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java b/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java
deleted file mode 100644
index 3aae2a172..000000000
--- a/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one or more
- *  contributor license agreements.  See the NOTICE file distributed with
- *  this work for additional information regarding copyright ownership.
- *  The ASF licenses this file to You under the Apache License, Version 2.0
- *  (the "License"); you may not use this file except in compliance with
- *  the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-/**
- * @author Denis M. Kishenko
- * @author Sven Gothel
- */
-package com.jogamp.graph.geom.plane;
-
-public interface PathIterator {
-
-    public static final int WIND_EVEN_ODD = 0;
-    public static final int WIND_NON_ZERO = 1;
-
-    public static final int SEG_MOVETO  = 0;
-    public static final int SEG_LINETO  = 1;
-    public static final int SEG_QUADTO  = 2;
-    public static final int SEG_CUBICTO = 3;
-    public static final int SEG_CLOSE   = 4;
-
-    int getWindingRule();
-
-    /** Return the current {@link #points()} index for the current segment. */
-    int index();
-
-    /** Returns reference of the point array for the whole Path2D */
-    float[] points();
-
-    /** Return current segment type */
-    int getType(final int idx);
-
-    /** Returns true if completed */
-    boolean isDone();
-
-    void next();
-
-    /**
-     * Return the path segment type and copies the current segment's points to given storage
-     * @param coords storage for current segment's points
-     * @return segment type
-     * @see #points()
-     * @see #index()
-     * @see #getType(int)
-     */
-    int currentSegment(float[] coords);
-}
-
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/Winding.java b/src/jogl/classes/com/jogamp/graph/geom/plane/Winding.java
new file mode 100644
index 000000000..bfa214c22
--- /dev/null
+++ b/src/jogl/classes/com/jogamp/graph/geom/plane/Winding.java
@@ -0,0 +1,18 @@
+package com.jogamp.graph.geom.plane;
+
+/**
+ * Winding direction, either clockwise (CW) or counter-clockwise (CCW).
+ */
+public enum Winding {
+    /** Clockwise (Cw) negative winding direction */
+    CW(-1),
+    /** Counter-Clockwise (CCW) positive winding direction */
+    CCW(1);
+
+    /** The winding direction sign, i.e. positive 1 for CCW and negative -1 for CW. */
+    public final int dir;
+
+    Winding(final int dir) {
+        this.dir = dir;
+    }
+}
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/WindingRule.java b/src/jogl/classes/com/jogamp/graph/geom/plane/WindingRule.java
new file mode 100644
index 000000000..46ef167a3
--- /dev/null
+++ b/src/jogl/classes/com/jogamp/graph/geom/plane/WindingRule.java
@@ -0,0 +1,28 @@
+package com.jogamp.graph.geom.plane;
+
+/**
+ * Winding rule, either EVEN_ODD or NON_ZERO (like for TrueType fonts).
+ */
+public enum WindingRule {
+    /**
+     * The even-odd rule specifies that a point lies inside the path
+     * if a ray drawn in any direction from that point to infinity is crossed by path segments
+     * an odd number of times.
+     */
+    EVEN_ODD(0),
+
+    /**
+     * The non-zero rule specifies that a point lies inside the path
+     * if a ray drawn in any direction from that point to infinity is crossed by path segments
+     * a different number of times in the counter-clockwise direction than the clockwise direction.
+     *
+     * Non-zero winding rule is used by TrueType fonts.
+     */
+    NON_ZERO(1);
+
+    public final int value;
+
+    WindingRule(final int v) {
+        this.value = v;
+    }
+}
diff --git a/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java b/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java
index 36222cf4a..3ee504a29 100644
--- a/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java
+++ b/src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java
@@ -29,6 +29,8 @@ package com.jogamp.opengl.math;
 
 import java.util.ArrayList;
 
+import com.jogamp.graph.geom.plane.Winding;
+
 public final class VectorUtil {
 
     public static final float[] VEC3_ONE = { 1f, 1f, 1f };
@@ -38,16 +40,6 @@ public final class VectorUtil {
     public static final float[] VEC3_UNIT_Z = { 0f, 0f, 1f };
     public static final float[] VEC3_UNIT_Z_NEG = { 0f, 0f, -1f };
 
-    public enum Winding {
-        CW(-1), CCW(1);
-
-        public final int dir;
-
-        Winding(final int dir) {
-            this.dir = dir;
-        }
-    }
-
     /**
      * Copies a vector of length 2
      * @param dst output vector