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.

5 files changed, 360 insertions, 19 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java b/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java
index b5c0d259e..b9d62cac4 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java
@@ -49,7 +49,7 @@ import com.jogamp.graph.curve.opengl.RenderState;
 import com.jogamp.graph.geom.SVertex;
 import com.jogamp.newt.opengl.GLWindow;
 import com.jogamp.opengl.test.junit.graph.demos.GPURegionGLListener01;
-import com.jogamp.opengl.test.junit.graph.demos.GPURegionGLListener02;
+import com.jogamp.opengl.test.junit.graph.demos.GPURegionGLListener10;
 import com.jogamp.opengl.test.junit.graph.demos.GPURendererListenerBase01;
 import com.jogamp.opengl.test.junit.util.UITestCase;
 
@@ -88,7 +88,7 @@ public class TestRegionRendererNEWT01 extends UITestCase {
     //    caps.setOnscreen(false);
         caps.setAlphaBits(4);
 
-        final GLWindow window = createWindow("shape-vbaa0-msaa0", caps, 800, 400);
+        final GLWindow window = createWindow("t00-shape-vbaa0-msaa0", caps, 800, 400);
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
 
         final GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (rs, 0, 0, false, false);
@@ -122,7 +122,7 @@ public class TestRegionRendererNEWT01 extends UITestCase {
         final GLCapabilities caps = new GLCapabilities(glp);
         caps.setAlphaBits(4);
 
-        final GLWindow window = createWindow("shape-vbaa0-msaa0", caps, 800, 400);
+        final GLWindow window = createWindow("t01-shape-vbaa0-msaa0", caps, 800, 400);
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
 
         final GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (rs, Region.VARWEIGHT_RENDERING_BIT, 0, false, false);
@@ -153,7 +153,7 @@ public class TestRegionRendererNEWT01 extends UITestCase {
         caps.setSampleBuffers(true);
         caps.setNumSamples(4);
 
-        final GLWindow window = createWindow("shape-vbaa0-msaa1", caps, 800, 400);
+        final GLWindow window = createWindow("t10-shape-vbaa0-msaa1", caps, 800, 400);
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
 
         final GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (rs, 0, 0, false, false);
@@ -189,7 +189,7 @@ public class TestRegionRendererNEWT01 extends UITestCase {
         caps.setSampleBuffers(true);
         caps.setNumSamples(4);
 
-        final GLWindow window = createWindow("shape-vbaa0-msaa1", caps, 800, 400);
+        final GLWindow window = createWindow("t11-shape-vbaa0-msaa1", caps, 800, 400);
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
 
         final GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (rs, Region.VARWEIGHT_RENDERING_BIT, 0, false, false);
@@ -224,9 +224,9 @@ public class TestRegionRendererNEWT01 extends UITestCase {
         //caps.setOnscreen(false);
         caps.setAlphaBits(4);
 
-        final GLWindow window = createWindow("shape-vbaa1-msaa0", caps, 800,400);
+        final GLWindow window = createWindow("t20-shape-vbaa1-msaa0", caps, 800,400);
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final GPURegionGLListener02  demo02Listener = new GPURegionGLListener02 (rs, Region.VBAA_RENDERING_BIT, 4, false, false);
+        final GPURegionGLListener10  demo02Listener = new GPURegionGLListener10 (rs, Region.VBAA_RENDERING_BIT, 4, false, false);
         demo02Listener.attachInputListenerTo(window);
         window.addGLEventListener(demo02Listener);
 
@@ -245,6 +245,39 @@ public class TestRegionRendererNEWT01 extends UITestCase {
         destroyWindow(window);
     }
 
+    private void test30RegionRendererShapesImpl(final GLCapabilities caps, final int shape_ctor_mode) throws InterruptedException {
+        final GLWindow window = createWindow("t30-shape0"+shape_ctor_mode+"-vbaa0-msaa1", caps, 800, 400);
+        final RenderState rs = RenderState.createRenderState(SVertex.factory());
+
+        final GPURegionGLListener01 demo01Listener = new GPURegionGLListener01 (shape_ctor_mode, rs, 0, 0, false, false);
+        demo01Listener.attachInputListenerTo(window);
+        window.addGLEventListener(demo01Listener);
+
+        final RegionGLListener listener = new RegionGLListener(demo01Listener, window.getTitle(), "GPURegion01");
+        window.addGLEventListener(listener);
+
+        // listener.setTech(-20, 00, -300, 0f, 2);
+        listener.setTech(-20, 00,  -50, 0f, 4);
+        window.display();
+
+        destroyWindow(window);
+    }
+
+    @Test
+    public void test30RegionRendererShapes() throws InterruptedException {
+        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
+        final GLCapabilities caps = new GLCapabilities(glp);
+    //    caps.setOnscreen(false);
+        caps.setAlphaBits(4);
+        caps.setSampleBuffers(true);
+        caps.setNumSamples(4);
+
+        test30RegionRendererShapesImpl(caps, 1);
+        test30RegionRendererShapesImpl(caps, 2);
+        test30RegionRendererShapesImpl(caps, 3);
+        test30RegionRendererShapesImpl(caps, 4);
+    }
+
     private static class RegionGLListener implements GLEventListener {
         String winTitle;
         String name;
@@ -260,10 +293,12 @@ public class TestRegionRendererNEWT01 extends UITestCase {
             impl.setMatrix(xt, yt, zt, angle, sampleCount);
         }
 
+        @Override
         public void init(final GLAutoDrawable drawable) {
             impl.init(drawable);
         }
 
+        @Override
         public void display(final GLAutoDrawable drawable) {
             impl.display(drawable);
 
@@ -276,11 +311,13 @@ public class TestRegionRendererNEWT01 extends UITestCase {
             }
         }
 
+        @Override
         public void dispose(final GLAutoDrawable drawable) {
             impl.dispose(drawable);
 
         }
 
+        @Override
         public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
             impl.reshape(drawable, x, y, width, height);
 
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener00.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener00.java
new file mode 100644
index 000000000..1059423f3
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener00.java
@@ -0,0 +1,133 @@
+/**
+ * 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.opengl.test.junit.graph.demos;
+
+import com.jogamp.opengl.GL;
+import com.jogamp.opengl.GL2ES2;
+import com.jogamp.opengl.GLAutoDrawable;
+import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
+
+import com.jogamp.graph.curve.OutlineShape;
+import com.jogamp.graph.curve.opengl.GLRegion;
+import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.curve.opengl.RegionRenderer;
+import com.jogamp.opengl.util.PMVMatrix;
+
+/** Demonstrate the rendering of multiple outlines into one region/OutlineShape
+ *  These Outlines are not necessary connected or contained.
+ *  The output of this demo shows two identical shapes but the left one
+ *  has some vertices with off-curve flag set to true, and the right allt he vertices
+ *  are on the curve. Demos the Res. Independent Nurbs based Curve rendering
+ *
+ */
+public class GPURegionGLListener00 extends GPURendererListenerBase01 {
+    OutlineShape outlineShape = null;
+
+    public GPURegionGLListener00 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
+        super(RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable), renderModes, debug, trace);
+        rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
+        setMatrix(-20, 00, -50, 0f, sampleCount);
+    }
+
+    private void createTestOutline(){
+        outlineShape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
+        outlineShape.addVertex(0.0f,-10.0f, true);
+        outlineShape.addVertex(15.0f,-10.0f, true);
+        outlineShape.addVertex(10.0f,5.0f, false);
+        outlineShape.addVertex(15.0f,10.0f, true);
+        outlineShape.addVertex(6.0f,15.0f, false);
+        outlineShape.addVertex(5.0f,8.0f, false);
+        outlineShape.addVertex(0.0f,10.0f,true);
+        outlineShape.closeLastOutline(true);
+        outlineShape.addEmptyOutline();
+        outlineShape.addVertex(5.0f,-5.0f,true);
+        outlineShape.addVertex(10.0f,-5.0f, false);
+        outlineShape.addVertex(10.0f,0.0f, true);
+        outlineShape.addVertex(5.0f,0.0f, false);
+        outlineShape.closeLastOutline(true);
+
+        /** Same shape as above but without any off-curve vertices */
+        final float offset = 30;
+        outlineShape.addEmptyOutline();
+        outlineShape.addVertex(offset+0.0f,-10.0f, true);
+        outlineShape.addVertex(offset+17.0f,-10.0f, true);
+        outlineShape.addVertex(offset+11.0f,5.0f, true);
+        outlineShape.addVertex(offset+16.0f,10.0f, true);
+        outlineShape.addVertex(offset+7.0f,15.0f, true);
+        outlineShape.addVertex(offset+6.0f,8.0f, true);
+        outlineShape.addVertex(offset+0.0f,10.0f, true);
+        outlineShape.closeLastOutline(true);
+        outlineShape.addEmptyOutline();
+        outlineShape.addVertex(offset+5.0f,0.0f, true);
+        outlineShape.addVertex(offset+5.0f,-5.0f, true);
+        outlineShape.addVertex(offset+10.0f,-5.0f, true);
+        outlineShape.addVertex(offset+10.0f,0.0f, true);
+        outlineShape.closeLastOutline(true);
+
+        region = GLRegion.create(getRenderModes(), null);
+        region.addOutlineShape(outlineShape, null, region.hasColorChannel() ? getRenderer().getRenderState().getColorStatic(new float[4]) : null);
+    }
+
+    @Override
+    public void init(final GLAutoDrawable drawable) {
+        super.init(drawable);
+
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+
+        final RenderState rs = getRenderer().getRenderState();
+
+        gl.setSwapInterval(1);
+        gl.glEnable(GL.GL_DEPTH_TEST);
+        gl.glEnable(GL.GL_BLEND);
+        rs.setColorStatic(0.0f, 0.0f, 0.0f, 1.0f);
+
+        createTestOutline();
+    }
+
+    @Override
+    public void display(final GLAutoDrawable drawable) {
+        final GL2ES2 gl = drawable.getGL().getGL2ES2();
+
+        gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+
+        final RegionRenderer regionRenderer = getRenderer();
+        final PMVMatrix pmv = regionRenderer.getMatrix();
+        pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+        pmv.glLoadIdentity();
+        pmv.glTranslatef(getXTran(), getYTran(), getZTran());
+        pmv.glRotatef(getAngle(), 0, 1, 0);
+        if( weight != regionRenderer.getRenderState().getWeight() ) {
+            regionRenderer.getRenderState().setWeight(weight);
+        }
+        regionRenderer.enable(gl, true);
+        region.draw(gl, regionRenderer, getSampleCount());
+        regionRenderer.enable(gl, false);
+    }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener01.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener01.java
index 73952684e..7dc217c2d 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener01.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener01.java
@@ -36,6 +36,8 @@ import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
 import com.jogamp.graph.curve.OutlineShape;
 import com.jogamp.graph.curve.opengl.GLRegion;
 import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.geom.plane.Path2F;
+import com.jogamp.graph.geom.plane.WindingRule;
 import com.jogamp.graph.curve.opengl.RegionRenderer;
 import com.jogamp.opengl.util.PMVMatrix;
 
@@ -47,17 +49,21 @@ import com.jogamp.opengl.util.PMVMatrix;
  *
  */
 public class GPURegionGLListener01 extends GPURendererListenerBase01 {
+    final int shape_ctor_mode;
     OutlineShape outlineShape = null;
 
     public GPURegionGLListener01 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
+        this(1, rs, renderModes, sampleCount, debug, trace);
+    }
+
+    public GPURegionGLListener01 (final int shape_ctor_mode, final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
         super(RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable), renderModes, debug, trace);
+        this.shape_ctor_mode = shape_ctor_mode;
         rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
         setMatrix(-20, 00, -50, 0f, sampleCount);
     }
 
-    private void createTestOutline(){
-        float offset = 0;
-        outlineShape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
+    private void createTestOutline00(){
         outlineShape.addVertex(0.0f,-10.0f, true);
         outlineShape.addVertex(15.0f,-10.0f, true);
         outlineShape.addVertex(10.0f,5.0f, false);
@@ -74,7 +80,7 @@ public class GPURegionGLListener01 extends GPURendererListenerBase01 {
         outlineShape.closeLastOutline(true);
 
         /** Same shape as above but without any off-curve vertices */
-        offset = 30;
+        final float offset = 30;
         outlineShape.addEmptyOutline();
         outlineShape.addVertex(offset+0.0f,-10.0f, true);
         outlineShape.addVertex(offset+17.0f,-10.0f, true);
@@ -90,9 +96,149 @@ public class GPURegionGLListener01 extends GPURendererListenerBase01 {
         outlineShape.addVertex(offset+10.0f,-5.0f, true);
         outlineShape.addVertex(offset+10.0f,0.0f, true);
         outlineShape.closeLastOutline(true);
+    }
 
-        region = GLRegion.create(getRenderModes(), null);
-        region.addOutlineShape(outlineShape, null, region.hasColorChannel() ? getRenderer().getRenderState().getColorStatic(new float[4]) : null);
+    private void createTestOutline01(){
+        outlineShape.moveTo(0.0f,-10.0f);
+        outlineShape.lineTo(15.0f,-10.0f);
+        outlineShape.quadTo(10.0f,5.0f, 15.0f,10.0f);
+        outlineShape.cubicTo(6.0f,15.0f, 5.0f,8.0f, 0.0f,10.0f);
+        outlineShape.closePath();
+        outlineShape.moveTo(5.0f,-5.0f);
+        outlineShape.quadTo(10.0f,-5.0f, 10.0f,0.0f);
+        outlineShape.quadTo(5.0f,0.0f, 5.0f,-5.0f);
+        outlineShape.closePath();
+
+        /** Same shape as above but without any off-curve vertices */
+        final float offset = 30;
+        outlineShape.moveTo(offset+0.0f,-10.0f);
+        outlineShape.lineTo(offset+17.0f,-10.0f);
+        outlineShape.lineTo(offset+11.0f,5.0f);
+        outlineShape.lineTo(offset+16.0f,10.0f);
+        outlineShape.lineTo(offset+7.0f,15.0f);
+        outlineShape.lineTo(offset+6.0f,8.0f);
+        outlineShape.lineTo(offset+0.0f,10.0f);
+        outlineShape.closePath();
+        outlineShape.moveTo(offset+5.0f,0.0f);
+        outlineShape.lineTo(offset+5.0f,-5.0f);
+        outlineShape.lineTo(offset+10.0f,-5.0f);
+        outlineShape.lineTo(offset+10.0f,0.0f);
+        outlineShape.closePath();
+    }
+
+    private void createTestOutline02(){
+        final Path2F path = new Path2F(WindingRule.NON_ZERO);
+        path.moveTo(0.0f,-10.0f);
+        path.lineTo(15.0f,-10.0f);
+        path.quadTo(10.0f,5.0f, 15.0f,10.0f);
+        path.cubicTo(6.0f,15.0f, 5.0f,8.0f, 0.0f,10.0f);
+        path.closePath();
+        path.moveTo(5.0f,-5.0f);
+        path.quadTo(10.0f,-5.0f, 10.0f,0.0f);
+        path.quadTo(5.0f,0.0f, 5.0f,-5.0f);
+        path.closePath();
+
+        /** Same shape as above but without any off-curve vertices */
+        final float offset = 30;
+        path.moveTo(offset+0.0f,-10.0f);
+        path.lineTo(offset+17.0f,-10.0f);
+        path.lineTo(offset+11.0f,5.0f);
+        path.lineTo(offset+16.0f,10.0f);
+        path.lineTo(offset+7.0f,15.0f);
+        path.lineTo(offset+6.0f,8.0f);
+        path.lineTo(offset+0.0f,10.0f);
+        path.closePath();
+        path.moveTo(offset+5.0f,0.0f);
+        path.lineTo(offset+5.0f,-5.0f);
+        path.lineTo(offset+10.0f,-5.0f);
+        path.lineTo(offset+10.0f,0.0f);
+        path.closePath();
+
+        System.err.println("GPURegionGLListener01.createTestOutline02.X: path "+path);
+        path.printSegments(System.err);
+        outlineShape.addPath(path, false /* connect */);
+    }
+
+    private void createTestOutline03(){
+        {
+            final Path2F path = new Path2F(WindingRule.NON_ZERO);
+            path.moveTo(0.0f,-10.0f);
+            path.lineTo(15.0f,-10.0f);
+            path.quadTo(10.0f,5.0f, 15.0f,10.0f);
+            path.cubicTo(6.0f,15.0f, 5.0f,8.0f, 0.0f,10.0f);
+            path.closePath();
+            System.err.println("GPURegionGLListener01.createTestOutline03.0: path "+path);
+            path.printSegments(System.err);
+            {
+                final Path2F path2 = new Path2F(WindingRule.NON_ZERO);
+                path2.moveTo(5.0f,-5.0f);
+                path2.quadTo(10.0f,-5.0f, 10.0f,0.0f);
+                path2.quadTo(5.0f,0.0f, 5.0f,-5.0f);
+                path2.closePath();
+                System.err.println("GPURegionGLListener01.createTestOutline03.0: path2 "+path2);
+                path2.printSegments(System.err);
+                path.append(path2, false);
+                System.err.println("GPURegionGLListener01.createTestOutline03.1: path "+path);
+                path.printSegments(System.err);
+            }
+            outlineShape.addPath(path, false /* connect */);
+        }
+        {
+            /** Same shape as above but without any off-curve vertices */
+            final float offset = 30;
+            final Path2F path = new Path2F(WindingRule.NON_ZERO);
+            path.moveTo(offset+0.0f,-10.0f);
+            path.lineTo(offset+17.0f,-10.0f);
+            path.lineTo(offset+11.0f,5.0f);
+            path.lineTo(offset+16.0f,10.0f);
+            path.lineTo(offset+7.0f,15.0f);
+            path.lineTo(offset+6.0f,8.0f);
+            path.lineTo(offset+0.0f,10.0f);
+            path.closePath();
+            path.moveTo(offset+5.0f,0.0f);
+            path.lineTo(offset+5.0f,-5.0f);
+            path.lineTo(offset+10.0f,-5.0f);
+            path.lineTo(offset+10.0f,0.0f);
+            path.closePath();
+            System.err.println("GPURegionGLListener01.createTestOutline03.3: path "+path);
+            path.printSegments(System.err);
+            outlineShape.addPath(path, false /* connect */);
+        }
+
+    }
+
+    private void createTestOutline04(){
+        final Path2F path = new Path2F(WindingRule.NON_ZERO);
+
+        path.moveTo(0.0f,10.0f);
+        path.cubicTo(5.0f,8.0f, 6.0f,15.0f, 15.0f,10.0f);
+        path.quadTo(10.0f,5.0f, 15.0f,-10.0f);
+        path.lineTo(0.0f,-10.0f);
+        path.closePath();
+        path.moveTo(5.0f,-5.0f);
+        path.quadTo(5.0f,0.0f, 10.0f,0.0f);
+        path.quadTo(10.0f,-5.0f, 5.0f,-5.0f);
+        path.closePath();
+
+        /** Same shape as above but without any off-curve vertices */
+        final float offset = 30;
+        path.moveTo(offset+0.0f,10.0f);
+        path.lineTo(offset+6.0f,8.0f);
+        path.lineTo(offset+7.0f,15.0f);
+        path.lineTo(offset+16.0f,10.0f);
+        path.lineTo(offset+11.0f,5.0f);
+        path.lineTo(offset+17.0f,-10.0f);
+        path.lineTo(offset+0.0f,-10.0f);
+        path.closePath();
+        path.moveTo(offset+10.0f,0.0f);
+        path.lineTo(offset+10.0f,-5.0f);
+        path.lineTo(offset+5.0f,-5.0f);
+        path.lineTo(offset+5.0f,0.0f);
+        path.closePath();
+
+        System.err.println("GPURegionGLListener01.createTestOutline04.X: path "+path);
+        path.printSegments(System.err);
+        outlineShape.addPathRev(path, false /* connect */);
     }
 
     @Override
@@ -108,7 +254,26 @@ public class GPURegionGLListener01 extends GPURendererListenerBase01 {
         gl.glEnable(GL.GL_BLEND);
         rs.setColorStatic(0.0f, 0.0f, 0.0f, 1.0f);
 
-        createTestOutline();
+        outlineShape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
+        switch( shape_ctor_mode ) {
+            case 0:
+                createTestOutline00();
+                break;
+            case 2:
+                createTestOutline02();
+                break;
+            case 3:
+                createTestOutline03();
+                break;
+            case 4:
+                createTestOutline04();
+                break;
+            default:
+                createTestOutline01();
+                break;
+        }
+        region = GLRegion.create(getRenderModes(), null);
+        region.addOutlineShape(outlineShape, null, region.hasColorChannel() ? getRenderer().getRenderState().getColorStatic(new float[4]) : null);
     }
 
     @Override
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener02.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener10.java
index d79bbb970..13c168ee7 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener02.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionGLListener10.java
@@ -46,17 +46,16 @@ import com.jogamp.opengl.util.PMVMatrix;
  *  into one region
  *
  */
-public class GPURegionGLListener02 extends GPURendererListenerBase01 {
+public class GPURegionGLListener10 extends GPURendererListenerBase01 {
     List<OutlineShape> outlineShapes = new ArrayList<OutlineShape>();
 
-    public GPURegionGLListener02 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
+    public GPURegionGLListener10 (final RenderState rs, final int renderModes, final int sampleCount, final boolean debug, final boolean trace) {
         super(RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable), renderModes, debug, trace);
         rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
         setMatrix(-20, 00, -50, 0f, sampleCount);
     }
 
     private void createTestOutline(){
-        float offset = 0;
         OutlineShape shape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
         outlineShapes.add(shape);
         shape.addVertex(0.0f,-10.0f,true);
@@ -77,7 +76,7 @@ public class GPURegionGLListener02 extends GPURendererListenerBase01 {
         /** Same shape as above but without any off-curve vertices */
         shape = new OutlineShape(getRenderer().getRenderState().getVertexFactory());
         outlineShapes.add(shape);
-        offset = 30;
+        final float offset = 30;
         shape.addVertex(offset+0.0f,-10.0f, true);
         shape.addVertex(offset+17.0f,-10.0f, true);
         shape.addVertex(offset+11.0f,5.0f, true);
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionNewtDemo.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionNewtDemo.java
index fd6c9a882..a5990af89 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionNewtDemo.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPURegionNewtDemo.java
@@ -53,6 +53,7 @@ public class GPURegionNewtDemo {
     static final boolean DEBUG = false;
     static final boolean TRACE = false;
 
+    static int shape_ctor_mode = 1;
     static int SceneMSAASamples = 0;
     static int GraphVBAASamples = 4;
     static int GraphMSAASamples = 0;
@@ -93,11 +94,15 @@ public class GPURegionNewtDemo {
                 } else if(args[i].equals("-y")) {
                     i++;
                     y = MiscUtils.atoi(args[i], y);
+                } else if(args[i].equals("-shape_ctor")) {
+                    i++;
+                    shape_ctor_mode = MiscUtils.atoi(args[i], shape_ctor_mode);
                 }
             }
         }
         System.err.println("Desired win size "+width+"x"+height);
         System.err.println("Desired win pos  "+x+"/"+y);
+        System.err.println("Shape_ctor_mode  "+shape_ctor_mode);
         System.err.println("Scene MSAA Samples "+SceneMSAASamples);
         System.err.println("Graph MSAA Samples"+GraphMSAASamples);
         System.err.println("Graph VBAA Samples "+GraphVBAASamples);
@@ -128,7 +133,7 @@ public class GPURegionNewtDemo {
         window.setTitle("GPU Curve Region Newt Demo - graph[vbaa"+GraphVBAASamples+" msaa"+GraphMSAASamples+"], msaa "+SceneMSAASamples);
 
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final GPURegionGLListener01 regionGLListener = new GPURegionGLListener01 (rs, rmode, sampleCount, DEBUG, TRACE);
+        final GPURegionGLListener01 regionGLListener = new GPURegionGLListener01 (shape_ctor_mode, rs, rmode, sampleCount, DEBUG, TRACE);
         regionGLListener.attachInputListenerTo(window);
         window.addGLEventListener(regionGLListener);
         window.setVisible(true);
@@ -139,6 +144,7 @@ public class GPURegionNewtDemo {
         animator.add(window);
 
         window.addKeyListener(new KeyAdapter() {
+            @Override
             public void keyPressed(final KeyEvent arg0) {
                 if(arg0.getKeyCode() == KeyEvent.VK_F4) {
                     window.destroy();
@@ -146,6 +152,7 @@ public class GPURegionNewtDemo {
             }
         });
         window.addWindowListener(new WindowAdapter() {
+            @Override
             public void windowDestroyed(final WindowEvent e) {
                 animator.stop();
             }