Graph Overflow Bug: Reorder TestTextRendererNEWT* tests from simple to complex example code, ascending

5 files changed, 805 insertions, 790 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 b9d62cac4..b7aff2f79 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestRegionRendererNEWT01.java
@@ -1,5 +1,5 @@
 /**
- * Copyright 2010 JogAmp Community. All rights reserved.
+ * Copyright 2011-2023 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:
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT00.java b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT00.java
deleted file mode 100644
index 5db5c09ea..000000000
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT00.java
+++ /dev/null
@@ -1,436 +0,0 @@
-/**
- * Copyright 2012 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;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.URL;
-import java.util.Locale;
-
-import com.jogamp.opengl.GL;
-import com.jogamp.opengl.GL2ES2;
-import com.jogamp.opengl.GLAnimatorControl;
-import com.jogamp.opengl.GLAutoDrawable;
-import com.jogamp.opengl.GLCapabilities;
-import com.jogamp.opengl.GLCapabilitiesImmutable;
-import com.jogamp.opengl.GLException;
-import com.jogamp.opengl.GLProfile;
-import com.jogamp.opengl.GLRunnable;
-
-import org.junit.Assert;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
-import com.jogamp.common.os.Platform;
-import com.jogamp.graph.curve.Region;
-import com.jogamp.graph.curve.opengl.GLRegion;
-import com.jogamp.graph.curve.opengl.RegionRenderer;
-import com.jogamp.graph.curve.opengl.RenderState;
-import com.jogamp.graph.font.Font;
-import com.jogamp.graph.font.FontFactory;
-import com.jogamp.graph.font.FontScale;
-import com.jogamp.graph.geom.SVertex;
-import com.jogamp.junit.util.JunitTracer;
-import com.jogamp.newt.Window;
-import com.jogamp.newt.opengl.GLWindow;
-import com.jogamp.opengl.test.junit.util.MiscUtils;
-import com.jogamp.opengl.test.junit.util.UITestCase;
-import com.jogamp.opengl.util.Animator;
-import com.jogamp.opengl.util.GLReadBufferUtil;
-
-
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class TestTextRendererNEWT00 extends UITestCase {
-    static final boolean DEBUG = false;
-    static final boolean TRACE = false;
-    static long Duration = 2000; // ms
-    static int win_width = 1024;
-    static int win_height = 640;
-    static boolean WaitStartEnd = false;
-    static boolean TextAnim = false;
-    static int SceneMSAASamples = 0;
-    static int GraphVBAASamples = 0;
-    static int GraphMSAASamples = 0;
-    static boolean ManualTest = false;
-    static int SwapInterval = 1;
-
-    static String fontFileName = null;
-    static URL fontURL = null;
-    static int fontSet = 0;
-    static int fontFamily = 0;
-    static int fontStylebits = 0;
-    static float fontSizeFixed = 14f;
-
-    static int atoi(final String a) {
-        try {
-            return Integer.parseInt(a);
-        } catch (final Exception ex) { throw new RuntimeException(ex); }
-    }
-
-    public static void main(final String args[]) throws IOException {
-        ManualTest = args.length > 0;
-        for(int i=0; i<args.length; i++) {
-            if(args[i].equals("-time")) {
-                i++;
-                Duration = atoi(args[i]);
-            } else if(args[i].equals("-width")) {
-                i++;
-                win_width = atoi(args[i]);
-            } else if(args[i].equals("-height")) {
-                i++;
-                win_height = atoi(args[i]);
-            } else if(args[i].equals("-fontURL")) {
-                i++;
-                fontURL = new URL(args[i]);
-            } else if(args[i].equals("-fontFile")) {
-                i++;
-                fontFileName = args[i];
-            } else if(args[i].equals("-fontSet")) {
-                i++;
-                fontSet = atoi(args[i]);
-            } else if(args[i].equals("-fontFamily")) {
-                i++;
-                fontFamily = atoi(args[i]);
-            } else if(args[i].equals("-fontStyle")) {
-                i++;
-                fontStylebits = atoi(args[i]);
-            } else if(args[i].equals("-fontSize")) {
-                i++;
-                fontSizeFixed = atoi(args[i]);
-            } else if(args[i].equals("-smsaa")) {
-                i++;
-                SceneMSAASamples = atoi(args[i]);
-            } else if(args[i].equals("-gmsaa")) {
-                i++;
-                GraphMSAASamples = atoi(args[i]);
-            } else if(args[i].equals("-gvbaa")) {
-                i++;
-                GraphVBAASamples = atoi(args[i]);
-            } else if(args[i].equals("-textAnim")) {
-                TextAnim = true;
-            } else if(args[i].equals("-vsync")) {
-                i++;
-                SwapInterval = MiscUtils.atoi(args[i], SwapInterval);
-            } else if(args[i].equals("-wait")) {
-                WaitStartEnd = true;
-            }
-        }
-        System.err.println("Font [set "+fontSet+", family "+fontFamily+", style "+fontStylebits+", size "+fontSizeFixed+"], fontFileName "+fontFileName);
-        System.err.println("Scene MSAA Samples "+SceneMSAASamples);
-        System.err.println("Graph MSAA Samples "+GraphMSAASamples);
-        System.err.println("Graph VBAA Samples "+GraphVBAASamples);
-        System.err.println("swapInterval "+SwapInterval);
-        final String tstname = TestTextRendererNEWT00.class.getName();
-        org.junit.runner.JUnitCore.main(tstname);
-    }
-
-    static void sleep() {
-        sleep(Duration);
-    }
-    static void sleep(final long d) {
-        try {
-            System.err.println("** new frame ** (sleep: "+d+"ms)");
-            Thread.sleep(d);
-        } catch (final InterruptedException ie) {}
-    }
-
-    static void destroyWindow(final GLWindow window) {
-        if(null!=window) {
-            window.destroy();
-        }
-    }
-
-    static GLWindow createWindow(final String title, final GLCapabilitiesImmutable caps, final int width, final int height) {
-        Assert.assertNotNull(caps);
-
-        final GLWindow window = GLWindow.create(caps);
-        window.setSize(width, height);
-        window.setPosition(10, 10);
-        window.setTitle(title);
-        Assert.assertNotNull(window);
-        window.setVisible(true);
-
-        return window;
-    }
-
-    @Test
-    public void test00Manual() throws InterruptedException {
-        if( ManualTest ) {
-            testImpl(SceneMSAASamples, GraphMSAASamples, GraphVBAASamples);
-        }
-    }
-    @Test
-    public void test00SceneNoAA() throws InterruptedException {
-        if( !ManualTest ) {
-            testImpl(0, 0, 0);
-        }
-    }
-    @Test
-    public void test01SceneMSAA04() throws InterruptedException {
-        if( !ManualTest ) {
-            testImpl(4, 0, 0);
-        }
-    }
-    @Test
-    public void test02GraphMSAA04() throws InterruptedException {
-        if( !ManualTest ) {
-            testImpl(0, 4, 0);
-        }
-    }
-    @Test
-    public void test03GraphVBAA04() throws InterruptedException {
-        if( !ManualTest ) {
-            testImpl(0, 0, 4);
-        }
-    }
-
-    public void testImpl(final int sceneMSAASamples, final int graphMSAASamples, final int graphVBAASamples) throws InterruptedException {
-        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setAlphaBits(4);
-        if( 0 < sceneMSAASamples ) {
-            caps.setSampleBuffers(true);
-            caps.setNumSamples(sceneMSAASamples);
-        }
-        System.err.println("Requested: "+caps+", graph[msaaSamples "+graphMSAASamples+", vbaaSamples "+graphVBAASamples+"]");
-
-        final GLWindow window = createWindow("text-gvbaa"+graphVBAASamples+"-gmsaa"+graphMSAASamples+"-smsaa"+sceneMSAASamples, caps, win_width, win_height);
-
-        window.display();
-        System.err.println("Chosen: "+window.getChosenGLCapabilities());
-        if( WaitStartEnd ) {
-            JunitTracer.waitForKey("Start");
-        }
-
-        final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final int renderModes, sampleCount;
-        if( graphVBAASamples > 0 ) {
-            renderModes = Region.VBAA_RENDERING_BIT;
-            sampleCount = graphVBAASamples;
-        } else if ( graphMSAASamples > 0 ) {
-            renderModes = Region.MSAA_RENDERING_BIT;
-            sampleCount = graphMSAASamples;
-        } else {
-            renderModes = 0;
-            sampleCount = 0;
-        }
-        final TextRendererGLEL textGLListener = new TextRendererGLEL(rs, renderModes, sampleCount);
-        System.err.println(textGLListener.getFontInfo());
-
-        window.addGLEventListener(textGLListener);
-
-        final Animator anim = new Animator();
-        anim.add(window);
-        anim.start();
-        anim.setUpdateFPSFrames(60, null);
-        sleep();
-        window.invoke(true, new GLRunnable() {
-            @Override
-            public boolean run(final GLAutoDrawable drawable) {
-                try {
-                    textGLListener.printScreen(renderModes, drawable, "./", "TestTextRendererNEWT00-snap"+screenshot_num, false);
-                    screenshot_num++;
-                } catch (final Exception e) {
-                    e.printStackTrace();
-                }
-                return true;
-            }
-        });
-        anim.stop();
-        if( WaitStartEnd ) {
-            JunitTracer.waitForKey("Stop");
-        }
-        destroyWindow(window);
-    }
-    int screenshot_num = 0;
-
-    static final String textX2 =
-        "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec nec sapien tellus. \n"+
-        "Ut purus odio, rhoncus sit amet commodo eget, ullamcorper vel urna. Mauris ultricies \n"+
-        "quam iaculis urna cursus ornare. Nullam ut felis a ante ultrices ultricies nec a elit. \n"+
-        "In hac habitasse platea dictumst. Vivamus et mi a quam lacinia pharetra at venenatis est.\n"+
-        "Morbi quis bibendum nibh. Donec lectus orci, sagittis in consequat nec, volutpat nec nisi.\n"+
-        "Donec ut dolor et nulla tristique varius. In nulla magna, fermentum id tempus quis, semper \n"+
-        "in lorem. Maecenas in ipsum ac justo scelerisque sollicitudin. Quisque sit amet neque lorem,\n" +
-        "-------Press H to change text---------\n";
-
-    private static final class TextRendererGLEL extends TextRendererGLELBase {
-        private final GLReadBufferUtil screenshot;
-        private final GLRegion regionFPS, regionFPSAnim;
-        final Font font;
-        final float fontSizeMin, fontSizeMax;
-        private long t0;
-        float fontSizeAnim, fontSizeDelta;
-        float dpiV, ppmmV;
-
-        TextRendererGLEL(final RenderState rs, final int renderModes, final int sampleCount) {
-            super(renderModes, new int[] { sampleCount });
-            setRendererCallbacks(RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable);
-            setRenderState(rs);
-
-            regionFPS = GLRegion.create(renderModes, null);
-            regionFPSAnim = GLRegion.create(renderModes, null);
-            if( null != fontURL ) {
-                Font _font = null;
-                try {
-                    _font = FontFactory.get(fontURL.openStream(), true);
-                } catch (final IOException e) {
-                    e.printStackTrace();
-                }
-                font = _font;
-            } else if( null != fontFileName ) {
-                Font _font = null;
-                try {
-                    _font = FontFactory.get(getClass(), fontFileName, false);
-                } catch (final IOException e) {
-                    e.printStackTrace();
-                }
-                font = _font;
-            } else {
-                font = getFont(fontSet, fontFamily, fontStylebits);
-            }
-
-            staticRGBAColor[0] = 0.1f;
-            staticRGBAColor[1] = 0.1f;
-            staticRGBAColor[2] = 0.1f;
-            staticRGBAColor[3] = 1.0f;
-
-            this.screenshot = new GLReadBufferUtil(false, false);
-            // fontSizeMin = Math.max(8, fontSizeFixed-5);
-            fontSizeMin = fontSizeFixed;
-            fontSizeMax = fontSizeFixed+8;
-            fontSizeAnim = fontSizeFixed;
-            fontSizeDelta = 0.01f;
-        }
-
-        @Override
-        public void init(final GLAutoDrawable drawable) {
-            super.init(drawable);
-            final GL2ES2 gl = drawable.getGL().getGL2ES2();
-            gl.setSwapInterval(SwapInterval);
-            gl.glEnable(GL.GL_DEPTH_TEST);
-            t0 = Platform.currentTimeMillis();
-
-            final Window win = (Window)drawable.getUpstreamWidget();
-            final float[] pixelsPerMM = win.getPixelsPerMM(new float[2]);
-            final float[] dotsPerInch = FontScale.ppmmToPPI(pixelsPerMM, new float[2]);
-            dpiV = dotsPerInch[1];
-            ppmmV = pixelsPerMM[1];
-            System.err.println(getFontInfo());
-            System.err.println("fontSize "+fontSizeFixed+", dotsPerMM "+pixelsPerMM[0]+"x"+pixelsPerMM[1]+", dpi "+dotsPerInch[0]+"x"+dotsPerInch[1]+", pixelSize "+FontScale.toPixels(fontSizeFixed, dotsPerInch[1] /* dpi display */));
-        }
-
-        @Override
-        public void dispose(final GLAutoDrawable drawable) {
-            final GL2ES2 gl = drawable.getGL().getGL2ES2();
-            screenshot.dispose(gl);
-            regionFPS.destroy(gl);
-            regionFPSAnim.destroy(gl);
-            super.dispose(drawable);
-        }
-
-        public void printScreen(final int renderModes, final GLAutoDrawable drawable, final String dir, final String objName, final boolean exportAlpha) throws GLException, IOException {
-            final String modeS = Region.getRenderModeString(renderModes);
-            final String bname = String.format((Locale)null, "%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
-                    drawable.getChosenGLCapabilities().getNumSamples(),
-                    fontSizeFixed, drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), modeS, vbaaSampleCount[0]);
-            final String filename = dir + bname +".png";
-            if(screenshot.readPixels(drawable.getGL(), false)) {
-                screenshot.write(new File(filename));
-            }
-        }
-
-        String getFontInfo() {
-            final float pixelSize = FontScale.toPixels(fontSizeFixed, dpiV);
-            final float mmSize = pixelSize / ppmmV;
-            final int unitsPerEM = font.getMetrics().getUnitsPerEM();
-            return String.format("Resolution dpiV %.2f, %.2f px/mm%nFont %s, unitsPerEM %d, size %.2f pt %.2f px %2f mm%n",
-                    dpiV, ppmmV,
-                    font.getFullFamilyName(),unitsPerEM, fontSizeFixed, pixelSize, mmSize);
-        }
-
-        @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 GLAnimatorControl anim = drawable.getAnimator();
-            final float lfps = null != anim ? anim.getLastFPS() : 0f;
-            final float tfps = null != anim ? anim.getTotalFPS() : 0f;
-
-            // Note: MODELVIEW is from [ 0 .. height ]
-
-            final long t1 = Platform.currentTimeMillis();
-
-            // final float fontSize = TestTextRendererNEWT00.fontSize;
-
-            fontSizeAnim += fontSizeDelta;
-            if( fontSizeMin >= fontSizeAnim || fontSizeAnim >= fontSizeMax ) {
-                fontSizeDelta *= -1f;
-            }
-
-            final float pixelSize = FontScale.toPixels(fontSizeFixed, dpiV);
-            final float pixelSizeAnim = FontScale.toPixels(fontSizeAnim, dpiV);
-
-            final String modeS = Region.getRenderModeString(renderModes);
-
-            if( false ) {
-                // renderString(drawable, font, pixelSize, "I - / H P 7 0", 0, 0, 0, 0, -1000f, true);
-                // renderString(drawable, font, pixelSize, "A M > } ] ", 0, 0, 0, 0, -1000f, true);
-                // renderString(drawable, font, pixelSize, "M", 0, 0, 0, 0, -1000f, true);
-                // renderString(drawable, font, pixelSize, "0 6 9 a b O Q A M > } ] ", 0, 0, 0, 0, -1000f, true);
-                // renderString(drawable, font, pixelSize, "012345678901234567890123456789", 0, 0, 0, -1000, true);
-                // renderString(drawable, font, pixelSize, textX2,        0, 0,   0, 0, -1000f, true);
-                // renderString(drawable, font, pixelSize, text1,         0,    0, 0, -1000f, regionFPS); // no-cache
-                final String text1 = lfps+" / "+tfps+" fps, vsync "+gl.getSwapInterval()+", elapsed "+(t1-t0)/1000.0+
-                                     " s, fontSize "+fontSizeFixed+", msaa "+drawable.getChosenGLCapabilities().getNumSamples()+
-                                     ", "+modeS+"-samples "+vbaaSampleCount[0];
-                renderString(drawable, font, pixelSize, text1,              0, 0, 0, 0, -1000, regionFPS); // no-cache
-            } else {
-                final String text1 = String.format("%03.1f/%03.1f fps, vsync %d, elapsed %4.1f s, fontSize %2.2f, msaa %d, %s-samples %d",
-                        lfps, tfps, gl.getSwapInterval(), (t1-t0)/1000.0, fontSizeFixed,
-                        drawable.getChosenGLCapabilities().getNumSamples(), modeS, vbaaSampleCount[0]);
-                renderString(drawable, font, pixelSize, getFontInfo(),                    0, 0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "012345678901234567890123456789", 0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "Hello World",                    0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "4567890123456",                  4, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "I like JogAmp",                  4, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, "Hello World",                    0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, textX2,                           0, 0, 0, -1000, true);
-                renderString(drawable, font, pixelSize, text1,                            0, 0, 0, -1000, regionFPS); // no-cache
-                if( TextAnim ) {
-                    renderString(drawable, font, pixelSizeAnim, text1,                   0, 0, 0, -1000, regionFPSAnim); // no-cache
-                }
-            }
-        } };
-
-}
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT01.java b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT01.java
index ec539d6db..eb6a61bec 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT01.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT01.java
@@ -1,5 +1,5 @@
 /**
- * Copyright 2010 JogAmp Community. All rights reserved.
+ * Copyright 2011-2023 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:
@@ -27,43 +27,70 @@
  */
 package com.jogamp.opengl.test.junit.graph;
 
+import java.io.File;
 import java.io.IOException;
+import java.util.Locale;
 
 import com.jogamp.opengl.GL;
 import com.jogamp.opengl.GL2ES2;
-import com.jogamp.opengl.GLAutoDrawable;
 import com.jogamp.opengl.GLCapabilities;
-import com.jogamp.opengl.GLCapabilitiesImmutable;
+import com.jogamp.opengl.GLDrawable;
 import com.jogamp.opengl.GLException;
 import com.jogamp.opengl.GLProfile;
-import com.jogamp.opengl.math.geom.AABBox;
-
-import jogamp.common.os.PlatformPropsImpl;
+import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
 
 import org.junit.Assert;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
-import com.jogamp.common.os.Platform;
+import com.jogamp.common.util.IOUtil;
 import com.jogamp.graph.curve.Region;
 import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.curve.opengl.RegionRenderer;
+import com.jogamp.graph.curve.opengl.TextRegionUtil;
 import com.jogamp.graph.font.Font;
 import com.jogamp.graph.font.FontFactory;
+import com.jogamp.graph.font.FontScale;
 import com.jogamp.graph.geom.SVertex;
-import com.jogamp.newt.opengl.GLWindow;
-import com.jogamp.opengl.test.junit.graph.demos.GPUTextRendererListenerBase01;
+import com.jogamp.opengl.math.geom.AABBox;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.NEWTGLContext;
 import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.util.GLReadBufferUtil;
+import com.jogamp.opengl.util.PMVMatrix;
 
 
+/**
+ * TestTextRendererNEWT01 Variant
+ * - No listener, all straight forward
+ * - Type Rendering via TextRegionUtil, multiple
+ */
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class TestTextRendererNEWT01 extends UITestCase {
     static final boolean DEBUG = false;
     static final boolean TRACE = false;
     static long duration = 100; // ms
+    static boolean forceES2 = false;
+    static boolean forceGL3 = false;
+    static boolean mainRun = false;
+    static boolean useMSAA = true;
     static int win_width = 1024;
     static int win_height = 640;
 
+    static Font font;
+    static float fontSize = 24; // in pixel
+    static String customStr = null;
+
+    @BeforeClass
+    public static void setup() throws IOException {
+        if( null == font ) {
+            font = FontFactory.get(FontFactory.UBUNTU).getDefault();
+            // font = FontFactory.get(FontFactory.JAVA).getDefault();
+        }
+    }
+
     static int atoi(final String a) {
         try {
             return Integer.parseInt(a);
@@ -71,6 +98,7 @@ public class TestTextRendererNEWT01 extends UITestCase {
     }
 
     public static void main(final String args[]) throws IOException {
+        mainRun = true;
         for(int i=0; i<args.length; i++) {
             if(args[i].equals("-time")) {
                 i++;
@@ -81,6 +109,21 @@ public class TestTextRendererNEWT01 extends UITestCase {
             } else if(args[i].equals("-height")) {
                 i++;
                 win_height = atoi(args[i]);
+            } else if(args[i].equals("-noMSAA")) {
+                useMSAA = false;
+            } else if(args[i].equals("-es2")) {
+                forceES2 = true;
+            } else if(args[i].equals("-gl3")) {
+                forceGL3 = true;
+            } else if(args[i].equals("-font")) {
+                i++;
+                font = FontFactory.get(IOUtil.getResource(args[i], TestTextRendererNEWT01.class.getClassLoader(), TestTextRendererNEWT01.class).getInputStream(), true);
+            } else if(args[i].equals("-fontSize")) {
+                i++;
+                fontSize = MiscUtils.atof(args[i], fontSize);
+            } else if(args[i].equals("-text")) {
+                i++;
+                customStr = args[i];
             }
         }
         final String tstname = TestTextRendererNEWT01.class.getName();
@@ -94,218 +137,145 @@ public class TestTextRendererNEWT01 extends UITestCase {
         } catch (final InterruptedException ie) {}
     }
 
-    static void destroyWindow(final GLWindow window) {
-        if(null!=window) {
-            window.destroy();
-        }
+    @Test
+    public void test00TextRendererNONE00() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(0, 0);
     }
 
-    static GLWindow createWindow(final String title, final GLCapabilitiesImmutable caps, final int width, final int height) {
-        Assert.assertNotNull(caps);
-
-        final GLWindow window = GLWindow.create(caps);
-        window.setSize(width, height);
-        window.setPosition(10, 10);
-        window.setTitle(title);
-        Assert.assertNotNull(window);
-        window.setVisible(true);
-
-        return window;
+    @Test
+    public void test01TextRendererMSAA04() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(0, 4);
     }
 
     @Test
-    public void testTextRendererR2T01() throws InterruptedException, GLException, IOException {
-        if(Platform.CPUFamily.X86 != PlatformPropsImpl.CPU_ARCH.family) { // FIXME
-            // FIXME: Disabled for now - since it doesn't seem fit for mobile (performance wise).
-            System.err.println("disabled on non desktop (x86) arch for now ..");
-            return;
-        }
-        final GLProfile glp = GLProfile.getGL2ES2();
-
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setAlphaBits(4);
-        System.err.println("Requested: "+caps);
-
-        final GLWindow window = createWindow("text-vbaa1-msaa0", caps, win_width, win_height);
-        window.display();
-        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+    public void test02TextRendererVBAA04() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(Region.VBAA_RENDERING_BIT, 4);
+    }
 
-        final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final TextGLListener textGLListener = new TextGLListener(rs, Region.VBAA_RENDERING_BIT, 4 /* sampleCount */, DEBUG, TRACE);
-        textGLListener.attachInputListenerTo(window);
-        window.addGLEventListener(textGLListener);
-        textGLListener.setHeadBox(2, true);
-        window.display();
-        // final AABBox headbox = textGLListener.getHeadBox();
-        // GPUTextRendererListenerBase01.upsizeWindowSurface(window, false, (int)(headbox.getWidth()*1.5f), (int)(headbox.getHeight()*2f));
-
-        final Runnable action_per_font = new Runnable() {
-            @Override
-            public void run() {
-                if( false ) {
-                    textGLListener.setHeadBox(1, false);
-                    textGLListener.setSampleCount(2);
-                    window.display();
-                    textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                    sleep();
-
-                    textGLListener.setHeadBox(2, false);
-                    textGLListener.setSampleCount(2);
-                    window.display();
-                    textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                    sleep();
-                }
-
-                textGLListener.setHeadBox(1, false);
-                textGLListener.setSampleCount(4);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-
-                textGLListener.setHeadBox(2, false);
-                textGLListener.setSampleCount(4);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-            } };
-
-        final Font[] fonts = FontSet01.getSet01();
-        for(final Font f : fonts) {
-            if( textGLListener.setFont(f) ) {
-                action_per_font.run();
-            }
-        }
-        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
-            action_per_font.run();
+    void testTextRendererImpl(final int renderModes, final int sampleCount) throws InterruptedException, GLException, IOException {
+        final GLProfile glp;
+        if(forceGL3) {
+            glp = GLProfile.get(GLProfile.GL3);
+        } else if(forceES2) {
+            glp = GLProfile.get(GLProfile.GLES2);
+        } else {
+            glp = GLProfile.getGL2ES2();
         }
-        destroyWindow(window);
-    }
 
-    @Test
-    public void testTextRendererMSAA01() throws InterruptedException, GLException, IOException {
-        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
-        final GLCapabilities caps = new GLCapabilities(glp);
+        final GLCapabilities caps = new GLCapabilities( glp );
         caps.setAlphaBits(4);
-        caps.setSampleBuffers(true);
-        caps.setNumSamples(4);
+        if( 0 < sampleCount && !Region.isVBAA(renderModes) ) {
+            caps.setSampleBuffers(true);
+            caps.setNumSamples(sampleCount);
+        }
         System.err.println("Requested: "+caps);
+        System.err.println("Requested: "+Region.getRenderModeString(renderModes));
 
-        final GLWindow window = createWindow("text-vbaa0-msaa1", caps, 1024, 640);
-        window.display();
-        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+        final NEWTGLContext.WindowContext winctx = NEWTGLContext.createWindow(caps, win_width, win_height, true);
+        final GLDrawable drawable = winctx.context.getGLDrawable();
+        final GL2ES2 gl = winctx.context.getGL().getGL2ES2();
 
-        final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final TextGLListener textGLListener = new TextGLListener(rs, 0, 0 /* sampleCount */, DEBUG, TRACE);
-        textGLListener.attachInputListenerTo(window);
-        window.addGLEventListener(textGLListener);
-        textGLListener.setHeadBox(2, true);
-        window.display();
-
-        final Runnable action_per_font = new Runnable() {
-            @Override
-            public void run() {
-                textGLListener.setHeadBox(1, false);
-                textGLListener.setSampleCount(0);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-
-                textGLListener.setHeadBox(2, false);
-                textGLListener.setSampleCount(0);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-            } };
-
-        final Font[] fonts = FontSet01.getSet01();
-        for(final Font f : fonts) {
-            if( textGLListener.setFont(f) ) {
-                action_per_font.run();
-            }
-        }
-        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
-            action_per_font.run();
-        }
+        Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
 
-        destroyWindow(window);
-    }
-
-    @Test
-    public void testTextRendererNoSampling() throws InterruptedException, GLException, IOException {
-        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
-        final GLCapabilities caps = new GLCapabilities(glp);
-        caps.setAlphaBits(4);
-        System.err.println("Requested: "+caps);
-
-        final GLWindow window = createWindow("text-vbaa0-msaa0", caps, 1024, 640);
-        window.display();
-        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+        System.err.println("Chosen: "+winctx.window.getChosenCapabilities());
 
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final TextGLListener textGLListener = new TextGLListener(rs, 0, 0 /* sampleCount */, DEBUG, TRACE);
-        textGLListener.attachInputListenerTo(window);
-        window.addGLEventListener(textGLListener);
-        textGLListener.setHeadBox(2, true);
-        window.display();
-
-        final Runnable action_per_font = new Runnable() {
-            @Override
-            public void run() {
-                textGLListener.setHeadBox(1, false);
-                textGLListener.setSampleCount(0);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-
-                textGLListener.setHeadBox(2, false);
-                textGLListener.setSampleCount(0);
-                window.display();
-                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
-                sleep();
-            } };
-
-        final Font[] fonts = FontSet01.getSet01();
-        for(final Font f : fonts) {
-            if( textGLListener.setFont(f) ) {
-                action_per_font.run();
+        final RegionRenderer renderer = RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable);
+        rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
+        final TextRegionUtil textRenderUtil = new TextRegionUtil(renderModes);
+
+        // init
+        gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+        renderer.init(gl, 0);
+        rs.setColorStatic(0.1f, 0.1f, 0.1f, 1.0f);
+        screenshot = new GLReadBufferUtil(false, false);
+
+        // reshape
+        gl.glViewport(0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight());
+
+        // renderer.reshapePerspective(gl, 45.0f, drawable.getWidth(), drawable.getHeight(), 0.1f, 1000.0f);
+        renderer.reshapeOrtho(drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), 0.1f, 1000.0f);
+
+        final int[] sampleCountIO = { sampleCount };
+        // display
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        if( null == customStr ) {
+            {
+                final float[] pixelsPerMM = winctx.window.getPixelsPerMM(new float[2]);
+                final float[] dpi = FontScale.ppmmToPPI(pixelsPerMM, new float[2]);
+                final float mmSize = fontSize / pixelsPerMM[1];
+                final int unitsPerEM = font.getMetrics().getUnitsPerEM();
+                String txt = String.format("Resolution dpiV %.2f, %.2f px/mm", dpi[1], pixelsPerMM[1]);
+                renderString(drawable, gl, renderer, textRenderUtil, txt, 0,  0, -1000, sampleCountIO);
+                txt = String.format("Font %s, unitsPerEM %d, size %.2f px %2f mm", font.getFullFamilyName(), unitsPerEM, fontSize, mmSize);
+                renderString(drawable, gl, renderer, textRenderUtil, txt, 0,  -1, -1000, sampleCountIO);
             }
+            renderString(drawable, gl, renderer, textRenderUtil, "012345678901234567890123456789", 0, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 0, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "Hello World", 0, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "4567890123456", 4, -1, -1000,sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "I like JogAmp", 4, -1, -1000, sampleCountIO);
+
+            int c = 0;
+            renderString(drawable, gl, renderer, textRenderUtil, "GlueGen", c++, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "JOAL", c++, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "JOGL", c++, -1, -1000, sampleCountIO);
+            renderString(drawable, gl, renderer, textRenderUtil, "JOCL", c++, -1, -1000, sampleCountIO);
+        } else {
+            renderString(drawable, gl, renderer, textRenderUtil, customStr, 0,  0, -1000, sampleCountIO);
         }
-        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
-            action_per_font.run();
-        }
+        gl.glFinish();
+        printScreen(renderModes, drawable, gl, false, sampleCount);
+        drawable.swapBuffers();
 
-        destroyWindow(window);
-    }
+        sleep();
 
-    private static class TextGLListener extends GPUTextRendererListenerBase01 {
-        public TextGLListener(final RenderState rs, final int type, final int sampleCount, final boolean debug, final boolean trace) {
-            super(rs, type, sampleCount, true, debug, trace);
-        }
+        // dispose
+        screenshot.dispose(gl);
+        renderer.destroy(gl);
 
-        @Override
-        public void attachInputListenerTo(final GLWindow window) {
-            super.attachInputListenerTo(window);
-        }
-        public void setSampleCount(final int sampleCount){
-            // setMatrix(xt, yt, zoom, angle, sampleCount);
-            setMatrix(0, 0, 0, 0f, sampleCount);
-        }
+        NEWTGLContext.destroyWindow(winctx);
+    }
 
-        @Override
-        public void init(final GLAutoDrawable drawable) {
-            super.init(drawable);
+    private GLReadBufferUtil screenshot;
+    int lastRow = -1;
 
-            final GL2ES2 gl = drawable.getGL().getGL2ES2();
-            gl.setSwapInterval(1);
-            gl.glEnable(GL.GL_DEPTH_TEST);
+    void renderString(final GLDrawable drawable, final GL2ES2 gl, final RegionRenderer renderer, final TextRegionUtil textRenderUtil, final String text, final int column, int row, final int z0, final int[] sampleCount) {
+        final int height = drawable.getSurfaceHeight();
 
-            final RenderState rs = getRenderer().getRenderState();
-            rs.setColorStatic(0.1f, 0.1f, 0.1f, 1.0f);
+        float dx = 0;
+        float dy = height;
+        if(0>row) {
+            row = lastRow + 1;
         }
+        final AABBox textBox = font.getMetricBounds(text); // em-size
+        dx += fontSize * font.getAdvanceWidth('X') * column;
+        dy -= fontSize * textBox.getHeight() * ( row + 1 );
+
+        final PMVMatrix pmv = renderer.getMatrix();
+        pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+        pmv.glLoadIdentity();
+        pmv.glTranslatef(dx, dy, z0);
+        pmv.glScalef(fontSize, fontSize, 1.0f);
+        textRenderUtil.drawString3D(gl, renderer, font, text, null, sampleCount);
+
+        lastRow = row;
+    }
 
-        @Override
-        public void display(final GLAutoDrawable drawable) {
-            super.display(drawable);
+    private int screenshot_num = 0;
+
+    public void printScreen(final int renderModes, final GLDrawable drawable, final GL gl, final boolean exportAlpha, final int sampleCount) throws GLException, IOException {
+        final String dir = "./";
+        final String objName = getSimpleTestName(".")+"-snap"+screenshot_num;
+        screenshot_num++;
+        final String modeS = Region.getRenderModeString(renderModes);
+        final String bname = String.format((Locale)null, "%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
+                drawable.getChosenGLCapabilities().getNumSamples(),
+                fontSize, drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), modeS, sampleCount);
+        final String filename = dir + bname +".png";
+        if(screenshot.readPixels(gl, false)) {
+            screenshot.write(new File(filename));
         }
     }
+
 }
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java
index 5cabe546d..63eb2be65 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java
@@ -1,5 +1,5 @@
 /**
- * Copyright 2012 JogAmp Community. All rights reserved.
+ * Copyright 2011-2023 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:
@@ -29,62 +29,68 @@ package com.jogamp.opengl.test.junit.graph;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.URL;
 import java.util.Locale;
 
 import com.jogamp.opengl.GL;
 import com.jogamp.opengl.GL2ES2;
+import com.jogamp.opengl.GLAnimatorControl;
+import com.jogamp.opengl.GLAutoDrawable;
 import com.jogamp.opengl.GLCapabilities;
-import com.jogamp.opengl.GLDrawable;
+import com.jogamp.opengl.GLCapabilitiesImmutable;
 import com.jogamp.opengl.GLException;
 import com.jogamp.opengl.GLProfile;
-import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
+import com.jogamp.opengl.GLRunnable;
 
 import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
 import org.junit.FixMethodOrder;
+import org.junit.Test;
 import org.junit.runners.MethodSorters;
 
-import com.jogamp.common.util.IOUtil;
+import com.jogamp.common.os.Platform;
 import com.jogamp.graph.curve.Region;
-import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.curve.opengl.GLRegion;
 import com.jogamp.graph.curve.opengl.RegionRenderer;
-import com.jogamp.graph.curve.opengl.TextRegionUtil;
+import com.jogamp.graph.curve.opengl.RenderState;
 import com.jogamp.graph.font.Font;
 import com.jogamp.graph.font.FontFactory;
 import com.jogamp.graph.font.FontScale;
 import com.jogamp.graph.geom.SVertex;
-import com.jogamp.opengl.math.geom.AABBox;
+import com.jogamp.junit.util.JunitTracer;
+import com.jogamp.newt.Window;
+import com.jogamp.newt.opengl.GLWindow;
 import com.jogamp.opengl.test.junit.util.MiscUtils;
-import com.jogamp.opengl.test.junit.util.NEWTGLContext;
 import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.util.Animator;
 import com.jogamp.opengl.util.GLReadBufferUtil;
-import com.jogamp.opengl.util.PMVMatrix;
 
 
+/**
+ * TestTextRendererNEWT10 Variant
+ * - Using listener derived from rudimentary TextRendererGLELBase, w/o much functionality but scaling ..
+ * - Type Rendering via TextRegionUtil, multiple
+ */
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class TestTextRendererNEWT10 extends UITestCase {
     static final boolean DEBUG = false;
     static final boolean TRACE = false;
-    static long duration = 100; // ms
-    static boolean forceES2 = false;
-    static boolean forceGL3 = false;
-    static boolean mainRun = false;
-    static boolean useMSAA = true;
+    static long Duration = 2000; // ms
     static int win_width = 1024;
     static int win_height = 640;
-
-    static Font font;
-    static float fontSize = 24; // in pixel
-    static String customStr = null;
-
-    @BeforeClass
-    public static void setup() throws IOException {
-        if( null == font ) {
-            font = FontFactory.get(FontFactory.UBUNTU).getDefault();
-            // font = FontFactory.get(FontFactory.JAVA).getDefault();
-        }
-    }
+    static boolean WaitStartEnd = false;
+    static boolean TextAnim = false;
+    static int SceneMSAASamples = 0;
+    static int GraphVBAASamples = 0;
+    static int GraphMSAASamples = 0;
+    static boolean ManualTest = false;
+    static int SwapInterval = 1;
+
+    static String fontFileName = null;
+    static URL fontURL = null;
+    static int fontSet = 0;
+    static int fontFamily = 0;
+    static int fontStylebits = 0;
+    static float fontSizeFixed = 14f;
 
     static int atoi(final String a) {
         try {
@@ -93,184 +99,343 @@ public class TestTextRendererNEWT10 extends UITestCase {
     }
 
     public static void main(final String args[]) throws IOException {
-        mainRun = true;
+        ManualTest = args.length > 0;
         for(int i=0; i<args.length; i++) {
             if(args[i].equals("-time")) {
                 i++;
-                duration = atoi(args[i]);
+                Duration = atoi(args[i]);
             } else if(args[i].equals("-width")) {
                 i++;
                 win_width = atoi(args[i]);
             } else if(args[i].equals("-height")) {
                 i++;
                 win_height = atoi(args[i]);
-            } else if(args[i].equals("-noMSAA")) {
-                useMSAA = false;
-            } else if(args[i].equals("-es2")) {
-                forceES2 = true;
-            } else if(args[i].equals("-gl3")) {
-                forceGL3 = true;
-            } else if(args[i].equals("-font")) {
+            } else if(args[i].equals("-fontURL")) {
+                i++;
+                fontURL = new URL(args[i]);
+            } else if(args[i].equals("-fontFile")) {
+                i++;
+                fontFileName = args[i];
+            } else if(args[i].equals("-fontSet")) {
                 i++;
-                font = FontFactory.get(IOUtil.getResource(args[i], TestTextRendererNEWT10.class.getClassLoader(), TestTextRendererNEWT10.class).getInputStream(), true);
+                fontSet = atoi(args[i]);
+            } else if(args[i].equals("-fontFamily")) {
+                i++;
+                fontFamily = atoi(args[i]);
+            } else if(args[i].equals("-fontStyle")) {
+                i++;
+                fontStylebits = atoi(args[i]);
             } else if(args[i].equals("-fontSize")) {
                 i++;
-                fontSize = MiscUtils.atof(args[i], fontSize);
-            } else if(args[i].equals("-text")) {
+                fontSizeFixed = atoi(args[i]);
+            } else if(args[i].equals("-smsaa")) {
+                i++;
+                SceneMSAASamples = atoi(args[i]);
+            } else if(args[i].equals("-gmsaa")) {
+                i++;
+                GraphMSAASamples = atoi(args[i]);
+            } else if(args[i].equals("-gvbaa")) {
                 i++;
-                customStr = args[i];
+                GraphVBAASamples = atoi(args[i]);
+            } else if(args[i].equals("-textAnim")) {
+                TextAnim = true;
+            } else if(args[i].equals("-vsync")) {
+                i++;
+                SwapInterval = MiscUtils.atoi(args[i], SwapInterval);
+            } else if(args[i].equals("-wait")) {
+                WaitStartEnd = true;
             }
         }
+        System.err.println("Font [set "+fontSet+", family "+fontFamily+", style "+fontStylebits+", size "+fontSizeFixed+"], fontFileName "+fontFileName);
+        System.err.println("Scene MSAA Samples "+SceneMSAASamples);
+        System.err.println("Graph MSAA Samples "+GraphMSAASamples);
+        System.err.println("Graph VBAA Samples "+GraphVBAASamples);
+        System.err.println("swapInterval "+SwapInterval);
         final String tstname = TestTextRendererNEWT10.class.getName();
         org.junit.runner.JUnitCore.main(tstname);
     }
 
     static void sleep() {
+        sleep(Duration);
+    }
+    static void sleep(final long d) {
         try {
-            System.err.println("** new frame ** (sleep: "+duration+"ms)");
-            Thread.sleep(duration);
+            System.err.println("** new frame ** (sleep: "+d+"ms)");
+            Thread.sleep(d);
         } catch (final InterruptedException ie) {}
     }
 
-    @Test
-    public void test00TextRendererNONE00() throws InterruptedException, GLException, IOException {
-        testTextRendererImpl(0, 0);
+    static void destroyWindow(final GLWindow window) {
+        if(null!=window) {
+            window.destroy();
+        }
     }
 
-    @Test
-    public void test01TextRendererMSAA04() throws InterruptedException, GLException, IOException {
-        testTextRendererImpl(0, 4);
+    static GLWindow createWindow(final String title, final GLCapabilitiesImmutable caps, final int width, final int height) {
+        Assert.assertNotNull(caps);
+
+        final GLWindow window = GLWindow.create(caps);
+        window.setSize(width, height);
+        window.setPosition(10, 10);
+        window.setTitle(title);
+        Assert.assertNotNull(window);
+        window.setVisible(true);
+
+        return window;
     }
 
     @Test
-    public void test02TextRendererVBAA04() throws InterruptedException, GLException, IOException {
-        testTextRendererImpl(Region.VBAA_RENDERING_BIT, 4);
+    public void test00Manual() throws InterruptedException {
+        if( ManualTest ) {
+            testImpl(SceneMSAASamples, GraphMSAASamples, GraphVBAASamples);
+        }
+    }
+    @Test
+    public void test00SceneNoAA() throws InterruptedException {
+        if( !ManualTest ) {
+            testImpl(0, 0, 0);
+        }
     }
-
-    void testTextRendererImpl(final int renderModes, final int sampleCount) throws InterruptedException, GLException, IOException {
-        final GLProfile glp;
-        if(forceGL3) {
-            glp = GLProfile.get(GLProfile.GL3);
-        } else if(forceES2) {
-            glp = GLProfile.get(GLProfile.GLES2);
-        } else {
-            glp = GLProfile.getGL2ES2();
+    @Test
+    public void test01SceneMSAA04() throws InterruptedException {
+        if( !ManualTest ) {
+            testImpl(4, 0, 0);
         }
+    }
+    @Test
+    public void test02GraphMSAA04() throws InterruptedException {
+        if( !ManualTest ) {
+            testImpl(0, 4, 0);
+        }
+    }
+    @Test
+    public void test03GraphVBAA04() throws InterruptedException {
+        if( !ManualTest ) {
+            testImpl(0, 0, 4);
+        }
+    }
 
-        final GLCapabilities caps = new GLCapabilities( glp );
+    public void testImpl(final int sceneMSAASamples, final int graphMSAASamples, final int graphVBAASamples) throws InterruptedException {
+        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
+        final GLCapabilities caps = new GLCapabilities(glp);
         caps.setAlphaBits(4);
-        if( 0 < sampleCount && !Region.isVBAA(renderModes) ) {
+        if( 0 < sceneMSAASamples ) {
             caps.setSampleBuffers(true);
-            caps.setNumSamples(sampleCount);
+            caps.setNumSamples(sceneMSAASamples);
         }
-        System.err.println("Requested: "+caps);
-        System.err.println("Requested: "+Region.getRenderModeString(renderModes));
-
-        final NEWTGLContext.WindowContext winctx = NEWTGLContext.createWindow(caps, win_width, win_height, true);
-        final GLDrawable drawable = winctx.context.getGLDrawable();
-        final GL2ES2 gl = winctx.context.getGL().getGL2ES2();
+        System.err.println("Requested: "+caps+", graph[msaaSamples "+graphMSAASamples+", vbaaSamples "+graphVBAASamples+"]");
 
-        Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
+        final GLWindow window = createWindow("text-gvbaa"+graphVBAASamples+"-gmsaa"+graphMSAASamples+"-smsaa"+sceneMSAASamples, caps, win_width, win_height);
 
-        System.err.println("Chosen: "+winctx.window.getChosenCapabilities());
+        window.display();
+        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+        if( WaitStartEnd ) {
+            JunitTracer.waitForKey("Start");
+        }
 
         final RenderState rs = RenderState.createRenderState(SVertex.factory());
-        final RegionRenderer renderer = RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable);
-        rs.setHintMask(RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED);
-        final TextRegionUtil textRenderUtil = new TextRegionUtil(renderModes);
-
-        // init
-        gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
-        renderer.init(gl, 0);
-        rs.setColorStatic(0.1f, 0.1f, 0.1f, 1.0f);
-        screenshot = new GLReadBufferUtil(false, false);
-
-        // reshape
-        gl.glViewport(0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight());
-
-        // renderer.reshapePerspective(gl, 45.0f, drawable.getWidth(), drawable.getHeight(), 0.1f, 1000.0f);
-        renderer.reshapeOrtho(drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), 0.1f, 1000.0f);
-
-        final int[] sampleCountIO = { sampleCount };
-        // display
-        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-        if( null == customStr ) {
-            {
-                final float[] pixelsPerMM = winctx.window.getPixelsPerMM(new float[2]);
-                final float[] dpi = FontScale.ppmmToPPI(pixelsPerMM, new float[2]);
-                final float mmSize = fontSize / pixelsPerMM[1];
-                final int unitsPerEM = font.getMetrics().getUnitsPerEM();
-                String txt = String.format("Resolution dpiV %.2f, %.2f px/mm", dpi[1], pixelsPerMM[1]);
-                renderString(drawable, gl, renderer, textRenderUtil, txt, 0,  0, -1000, sampleCountIO);
-                txt = String.format("Font %s, unitsPerEM %d, size %.2f px %2f mm", font.getFullFamilyName(), unitsPerEM, fontSize, mmSize);
-                renderString(drawable, gl, renderer, textRenderUtil, txt, 0,  -1, -1000, sampleCountIO);
-            }
-            renderString(drawable, gl, renderer, textRenderUtil, "012345678901234567890123456789", 0, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 0, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "Hello World", 0, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "4567890123456", 4, -1, -1000,sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "I like JogAmp", 4, -1, -1000, sampleCountIO);
-
-            int c = 0;
-            renderString(drawable, gl, renderer, textRenderUtil, "GlueGen", c++, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "JOAL", c++, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "JOGL", c++, -1, -1000, sampleCountIO);
-            renderString(drawable, gl, renderer, textRenderUtil, "JOCL", c++, -1, -1000, sampleCountIO);
+        final int renderModes, sampleCount;
+        if( graphVBAASamples > 0 ) {
+            renderModes = Region.VBAA_RENDERING_BIT;
+            sampleCount = graphVBAASamples;
+        } else if ( graphMSAASamples > 0 ) {
+            renderModes = Region.MSAA_RENDERING_BIT;
+            sampleCount = graphMSAASamples;
         } else {
-            renderString(drawable, gl, renderer, textRenderUtil, customStr, 0,  0, -1000, sampleCountIO);
+            renderModes = 0;
+            sampleCount = 0;
         }
-        gl.glFinish();
-        printScreen(renderModes, drawable, gl, false, sampleCount);
-        drawable.swapBuffers();
+        final TextRendererGLEL textGLListener = new TextRendererGLEL(rs, renderModes, sampleCount);
+        System.err.println(textGLListener.getFontInfo());
 
-        sleep();
-
-        // dispose
-        screenshot.dispose(gl);
-        renderer.destroy(gl);
+        window.addGLEventListener(textGLListener);
 
-        NEWTGLContext.destroyWindow(winctx);
+        final Animator anim = new Animator();
+        anim.add(window);
+        anim.start();
+        anim.setUpdateFPSFrames(60, null);
+        sleep();
+        window.invoke(true, new GLRunnable() {
+            @Override
+            public boolean run(final GLAutoDrawable drawable) {
+                try {
+                    textGLListener.printScreen(renderModes, drawable, "./", "TestTextRendererNEWT00-snap"+screenshot_num, false);
+                    screenshot_num++;
+                } catch (final Exception e) {
+                    e.printStackTrace();
+                }
+                return true;
+            }
+        });
+        anim.stop();
+        if( WaitStartEnd ) {
+            JunitTracer.waitForKey("Stop");
+        }
+        destroyWindow(window);
     }
+    int screenshot_num = 0;
+
+    static final String textX2 =
+        "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec nec sapien tellus. \n"+
+        "Ut purus odio, rhoncus sit amet commodo eget, ullamcorper vel urna. Mauris ultricies \n"+
+        "quam iaculis urna cursus ornare. Nullam ut felis a ante ultrices ultricies nec a elit. \n"+
+        "In hac habitasse platea dictumst. Vivamus et mi a quam lacinia pharetra at venenatis est.\n"+
+        "Morbi quis bibendum nibh. Donec lectus orci, sagittis in consequat nec, volutpat nec nisi.\n"+
+        "Donec ut dolor et nulla tristique varius. In nulla magna, fermentum id tempus quis, semper \n"+
+        "in lorem. Maecenas in ipsum ac justo scelerisque sollicitudin. Quisque sit amet neque lorem,\n" +
+        "-------Press H to change text---------\n";
+
+    private static final class TextRendererGLEL extends TextRendererGLELBase {
+        private final GLReadBufferUtil screenshot;
+        private final GLRegion regionFPS, regionFPSAnim;
+        final Font font;
+        final float fontSizeMin, fontSizeMax;
+        private long t0;
+        float fontSizeAnim, fontSizeDelta;
+        float dpiV, ppmmV;
+
+        TextRendererGLEL(final RenderState rs, final int renderModes, final int sampleCount) {
+            super(renderModes, new int[] { sampleCount });
+            setRendererCallbacks(RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable);
+            setRenderState(rs);
+
+            regionFPS = GLRegion.create(renderModes, null);
+            regionFPSAnim = GLRegion.create(renderModes, null);
+            if( null != fontURL ) {
+                Font _font = null;
+                try {
+                    _font = FontFactory.get(fontURL.openStream(), true);
+                } catch (final IOException e) {
+                    e.printStackTrace();
+                }
+                font = _font;
+            } else if( null != fontFileName ) {
+                Font _font = null;
+                try {
+                    _font = FontFactory.get(getClass(), fontFileName, false);
+                } catch (final IOException e) {
+                    e.printStackTrace();
+                }
+                font = _font;
+            } else {
+                font = getFont(fontSet, fontFamily, fontStylebits);
+            }
 
-    private GLReadBufferUtil screenshot;
-    int lastRow = -1;
+            staticRGBAColor[0] = 0.1f;
+            staticRGBAColor[1] = 0.1f;
+            staticRGBAColor[2] = 0.1f;
+            staticRGBAColor[3] = 1.0f;
+
+            this.screenshot = new GLReadBufferUtil(false, false);
+            // fontSizeMin = Math.max(8, fontSizeFixed-5);
+            fontSizeMin = fontSizeFixed;
+            fontSizeMax = fontSizeFixed+8;
+            fontSizeAnim = fontSizeFixed;
+            fontSizeDelta = 0.01f;
+        }
 
-    void renderString(final GLDrawable drawable, final GL2ES2 gl, final RegionRenderer renderer, final TextRegionUtil textRenderUtil, final String text, final int column, int row, final int z0, final int[] sampleCount) {
-        final int height = drawable.getSurfaceHeight();
+        @Override
+        public void init(final GLAutoDrawable drawable) {
+            super.init(drawable);
+            final GL2ES2 gl = drawable.getGL().getGL2ES2();
+            gl.setSwapInterval(SwapInterval);
+            gl.glEnable(GL.GL_DEPTH_TEST);
+            t0 = Platform.currentTimeMillis();
+
+            final Window win = (Window)drawable.getUpstreamWidget();
+            final float[] pixelsPerMM = win.getPixelsPerMM(new float[2]);
+            final float[] dotsPerInch = FontScale.ppmmToPPI(pixelsPerMM, new float[2]);
+            dpiV = dotsPerInch[1];
+            ppmmV = pixelsPerMM[1];
+            System.err.println(getFontInfo());
+            System.err.println("fontSize "+fontSizeFixed+", dotsPerMM "+pixelsPerMM[0]+"x"+pixelsPerMM[1]+", dpi "+dotsPerInch[0]+"x"+dotsPerInch[1]+", pixelSize "+FontScale.toPixels(fontSizeFixed, dotsPerInch[1] /* dpi display */));
+        }
 
-        float dx = 0;
-        float dy = height;
-        if(0>row) {
-            row = lastRow + 1;
+        @Override
+        public void dispose(final GLAutoDrawable drawable) {
+            final GL2ES2 gl = drawable.getGL().getGL2ES2();
+            screenshot.dispose(gl);
+            regionFPS.destroy(gl);
+            regionFPSAnim.destroy(gl);
+            super.dispose(drawable);
         }
-        final AABBox textBox = font.getMetricBounds(text); // em-size
-        dx += fontSize * font.getAdvanceWidth('X') * column;
-        dy -= fontSize * textBox.getHeight() * ( row + 1 );
-
-        final PMVMatrix pmv = renderer.getMatrix();
-        pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
-        pmv.glLoadIdentity();
-        pmv.glTranslatef(dx, dy, z0);
-        pmv.glScalef(fontSize, fontSize, 1.0f);
-        textRenderUtil.drawString3D(gl, renderer, font, text, null, sampleCount);
-
-        lastRow = row;
-    }
 
-    private int screenshot_num = 0;
-
-    public void printScreen(final int renderModes, final GLDrawable drawable, final GL gl, final boolean exportAlpha, final int sampleCount) throws GLException, IOException {
-        final String dir = "./";
-        final String objName = getSimpleTestName(".")+"-snap"+screenshot_num;
-        screenshot_num++;
-        final String modeS = Region.getRenderModeString(renderModes);
-        final String bname = String.format((Locale)null, "%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
-                drawable.getChosenGLCapabilities().getNumSamples(),
-                fontSize, drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), modeS, sampleCount);
-        final String filename = dir + bname +".png";
-        if(screenshot.readPixels(gl, false)) {
-            screenshot.write(new File(filename));
+        public void printScreen(final int renderModes, final GLAutoDrawable drawable, final String dir, final String objName, final boolean exportAlpha) throws GLException, IOException {
+            final String modeS = Region.getRenderModeString(renderModes);
+            final String bname = String.format((Locale)null, "%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
+                    drawable.getChosenGLCapabilities().getNumSamples(),
+                    fontSizeFixed, drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), modeS, vbaaSampleCount[0]);
+            final String filename = dir + bname +".png";
+            if(screenshot.readPixels(drawable.getGL(), false)) {
+                screenshot.write(new File(filename));
+            }
         }
-    }
+
+        String getFontInfo() {
+            final float pixelSize = FontScale.toPixels(fontSizeFixed, dpiV);
+            final float mmSize = pixelSize / ppmmV;
+            final int unitsPerEM = font.getMetrics().getUnitsPerEM();
+            return String.format("Resolution dpiV %.2f, %.2f px/mm%nFont %s, unitsPerEM %d, size %.2f pt %.2f px %2f mm%n",
+                    dpiV, ppmmV,
+                    font.getFullFamilyName(),unitsPerEM, fontSizeFixed, pixelSize, mmSize);
+        }
+
+        @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 GLAnimatorControl anim = drawable.getAnimator();
+            final float lfps = null != anim ? anim.getLastFPS() : 0f;
+            final float tfps = null != anim ? anim.getTotalFPS() : 0f;
+
+            // Note: MODELVIEW is from [ 0 .. height ]
+
+            final long t1 = Platform.currentTimeMillis();
+
+            // final float fontSize = TestTextRendererNEWT00.fontSize;
+
+            fontSizeAnim += fontSizeDelta;
+            if( fontSizeMin >= fontSizeAnim || fontSizeAnim >= fontSizeMax ) {
+                fontSizeDelta *= -1f;
+            }
+
+            final float pixelSize = FontScale.toPixels(fontSizeFixed, dpiV);
+            final float pixelSizeAnim = FontScale.toPixels(fontSizeAnim, dpiV);
+
+            final String modeS = Region.getRenderModeString(renderModes);
+
+            if( false ) {
+                // renderString(drawable, font, pixelSize, "I - / H P 7 0", 0, 0, 0, 0, -1000f, true);
+                // renderString(drawable, font, pixelSize, "A M > } ] ", 0, 0, 0, 0, -1000f, true);
+                // renderString(drawable, font, pixelSize, "M", 0, 0, 0, 0, -1000f, true);
+                // renderString(drawable, font, pixelSize, "0 6 9 a b O Q A M > } ] ", 0, 0, 0, 0, -1000f, true);
+                // renderString(drawable, font, pixelSize, "012345678901234567890123456789", 0, 0, 0, -1000, true);
+                // renderString(drawable, font, pixelSize, textX2,        0, 0,   0, 0, -1000f, true);
+                // renderString(drawable, font, pixelSize, text1,         0,    0, 0, -1000f, regionFPS); // no-cache
+                final String text1 = lfps+" / "+tfps+" fps, vsync "+gl.getSwapInterval()+", elapsed "+(t1-t0)/1000.0+
+                                     " s, fontSize "+fontSizeFixed+", msaa "+drawable.getChosenGLCapabilities().getNumSamples()+
+                                     ", "+modeS+"-samples "+vbaaSampleCount[0];
+                renderString(drawable, font, pixelSize, text1,              0, 0, 0, 0, -1000, regionFPS); // no-cache
+            } else {
+                final String text1 = String.format("%03.1f/%03.1f fps, vsync %d, elapsed %4.1f s, fontSize %2.2f, msaa %d, %s-samples %d",
+                        lfps, tfps, gl.getSwapInterval(), (t1-t0)/1000.0, fontSizeFixed,
+                        drawable.getChosenGLCapabilities().getNumSamples(), modeS, vbaaSampleCount[0]);
+                renderString(drawable, font, pixelSize, getFontInfo(),                    0, 0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "012345678901234567890123456789", 0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "Hello World",                    0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "4567890123456",                  4, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "I like JogAmp",                  4, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, "Hello World",                    0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, textX2,                           0, 0, 0, -1000, true);
+                renderString(drawable, font, pixelSize, text1,                            0, 0, 0, -1000, regionFPS); // no-cache
+                if( TextAnim ) {
+                    renderString(drawable, font, pixelSizeAnim, text1,                   0, 0, 0, -1000, regionFPSAnim); // no-cache
+                }
+            }
+        } };
 
 }
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT20.java b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT20.java
new file mode 100644
index 000000000..04604095f
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT20.java
@@ -0,0 +1,316 @@
+/**
+ * Copyright 2011-2023 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;
+
+import java.io.IOException;
+
+import com.jogamp.opengl.GL;
+import com.jogamp.opengl.GL2ES2;
+import com.jogamp.opengl.GLAutoDrawable;
+import com.jogamp.opengl.GLCapabilities;
+import com.jogamp.opengl.GLCapabilitiesImmutable;
+import com.jogamp.opengl.GLException;
+import com.jogamp.opengl.GLProfile;
+
+import jogamp.common.os.PlatformPropsImpl;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.FixMethodOrder;
+import org.junit.runners.MethodSorters;
+
+import com.jogamp.common.os.Platform;
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.font.FontFactory;
+import com.jogamp.graph.geom.SVertex;
+import com.jogamp.newt.opengl.GLWindow;
+import com.jogamp.opengl.test.junit.graph.demos.GPUTextRendererListenerBase01;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+
+/**
+ * TestTextRendererNEWT20 Variant
+ * - Using listener derived from fully features GPUTextRendererListenerBase01
+ * - Renders multiple demo text with multiple fonts
+ * - Used for validation against reference
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestTextRendererNEWT20 extends UITestCase {
+    static final boolean DEBUG = false;
+    static final boolean TRACE = false;
+    static long duration = 100; // ms
+    static int win_width = 1024;
+    static int win_height = 640;
+
+    static int atoi(final String a) {
+        try {
+            return Integer.parseInt(a);
+        } catch (final Exception ex) { throw new RuntimeException(ex); }
+    }
+
+    public static void main(final String args[]) throws IOException {
+        for(int i=0; i<args.length; i++) {
+            if(args[i].equals("-time")) {
+                i++;
+                duration = atoi(args[i]);
+            } else if(args[i].equals("-width")) {
+                i++;
+                win_width = atoi(args[i]);
+            } else if(args[i].equals("-height")) {
+                i++;
+                win_height = atoi(args[i]);
+            }
+        }
+        final String tstname = TestTextRendererNEWT20.class.getName();
+        org.junit.runner.JUnitCore.main(tstname);
+    }
+
+    static void sleep() {
+        try {
+            System.err.println("** new frame ** (sleep: "+duration+"ms)");
+            Thread.sleep(duration);
+        } catch (final InterruptedException ie) {}
+    }
+
+    static void destroyWindow(final GLWindow window) {
+        if(null!=window) {
+            window.destroy();
+        }
+    }
+
+    static GLWindow createWindow(final String title, final GLCapabilitiesImmutable caps, final int width, final int height) {
+        Assert.assertNotNull(caps);
+
+        final GLWindow window = GLWindow.create(caps);
+        window.setSize(width, height);
+        window.setPosition(10, 10);
+        window.setTitle(title);
+        Assert.assertNotNull(window);
+        window.setVisible(true);
+
+        return window;
+    }
+
+    @Test
+    public void testTextRendererR2T01() throws InterruptedException, GLException, IOException {
+        if(Platform.CPUFamily.X86 != PlatformPropsImpl.CPU_ARCH.family) { // FIXME
+            // FIXME: Disabled for now - since it doesn't seem fit for mobile (performance wise).
+            System.err.println("disabled on non desktop (x86) arch for now ..");
+            return;
+        }
+        final GLProfile glp = GLProfile.getGL2ES2();
+
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setAlphaBits(4);
+        System.err.println("Requested: "+caps);
+
+        final GLWindow window = createWindow("text-vbaa1-msaa0", caps, win_width, win_height);
+        window.display();
+        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+
+        final RenderState rs = RenderState.createRenderState(SVertex.factory());
+        final TextGLListener textGLListener = new TextGLListener(rs, Region.VBAA_RENDERING_BIT, 4 /* sampleCount */, DEBUG, TRACE);
+        textGLListener.attachInputListenerTo(window);
+        window.addGLEventListener(textGLListener);
+        textGLListener.setHeadBox(2, true);
+        window.display();
+        // final AABBox headbox = textGLListener.getHeadBox();
+        // GPUTextRendererListenerBase01.upsizeWindowSurface(window, false, (int)(headbox.getWidth()*1.5f), (int)(headbox.getHeight()*2f));
+
+        final Runnable action_per_font = new Runnable() {
+            @Override
+            public void run() {
+                if( false ) {
+                    textGLListener.setHeadBox(1, false);
+                    textGLListener.setSampleCount(2);
+                    window.display();
+                    textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                    sleep();
+
+                    textGLListener.setHeadBox(2, false);
+                    textGLListener.setSampleCount(2);
+                    window.display();
+                    textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                    sleep();
+                }
+
+                textGLListener.setHeadBox(1, false);
+                textGLListener.setSampleCount(4);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+
+                textGLListener.setHeadBox(2, false);
+                textGLListener.setSampleCount(4);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+            } };
+
+        final Font[] fonts = FontSet01.getSet01();
+        for(final Font f : fonts) {
+            if( textGLListener.setFont(f) ) {
+                action_per_font.run();
+            }
+        }
+        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
+            action_per_font.run();
+        }
+        destroyWindow(window);
+    }
+
+    @Test
+    public void testTextRendererMSAA01() throws InterruptedException, GLException, IOException {
+        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setAlphaBits(4);
+        caps.setSampleBuffers(true);
+        caps.setNumSamples(4);
+        System.err.println("Requested: "+caps);
+
+        final GLWindow window = createWindow("text-vbaa0-msaa1", caps, 1024, 640);
+        window.display();
+        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+
+        final RenderState rs = RenderState.createRenderState(SVertex.factory());
+        final TextGLListener textGLListener = new TextGLListener(rs, 0, 0 /* sampleCount */, DEBUG, TRACE);
+        textGLListener.attachInputListenerTo(window);
+        window.addGLEventListener(textGLListener);
+        textGLListener.setHeadBox(2, true);
+        window.display();
+
+        final Runnable action_per_font = new Runnable() {
+            @Override
+            public void run() {
+                textGLListener.setHeadBox(1, false);
+                textGLListener.setSampleCount(0);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+
+                textGLListener.setHeadBox(2, false);
+                textGLListener.setSampleCount(0);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+            } };
+
+        final Font[] fonts = FontSet01.getSet01();
+        for(final Font f : fonts) {
+            if( textGLListener.setFont(f) ) {
+                action_per_font.run();
+            }
+        }
+        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
+            action_per_font.run();
+        }
+
+        destroyWindow(window);
+    }
+
+    @Test
+    public void testTextRendererNoSampling() throws InterruptedException, GLException, IOException {
+        final GLProfile glp = GLProfile.get(GLProfile.GL2ES2);
+        final GLCapabilities caps = new GLCapabilities(glp);
+        caps.setAlphaBits(4);
+        System.err.println("Requested: "+caps);
+
+        final GLWindow window = createWindow("text-vbaa0-msaa0", caps, 1024, 640);
+        window.display();
+        System.err.println("Chosen: "+window.getChosenGLCapabilities());
+
+        final RenderState rs = RenderState.createRenderState(SVertex.factory());
+        final TextGLListener textGLListener = new TextGLListener(rs, 0, 0 /* sampleCount */, DEBUG, TRACE);
+        textGLListener.attachInputListenerTo(window);
+        window.addGLEventListener(textGLListener);
+        textGLListener.setHeadBox(2, true);
+        window.display();
+
+        final Runnable action_per_font = new Runnable() {
+            @Override
+            public void run() {
+                textGLListener.setHeadBox(1, false);
+                textGLListener.setSampleCount(0);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+
+                textGLListener.setHeadBox(2, false);
+                textGLListener.setSampleCount(0);
+                window.display();
+                textGLListener.printScreenOnGLThread(window, "./", window.getTitle(), "", false);
+                sleep();
+            } };
+
+        final Font[] fonts = FontSet01.getSet01();
+        for(final Font f : fonts) {
+            if( textGLListener.setFont(f) ) {
+                action_per_font.run();
+            }
+        }
+        if(textGLListener.setFontSet(FontFactory.JAVA, 0, 0)) {
+            action_per_font.run();
+        }
+
+        destroyWindow(window);
+    }
+
+    private static class TextGLListener extends GPUTextRendererListenerBase01 {
+        public TextGLListener(final RenderState rs, final int type, final int sampleCount, final boolean debug, final boolean trace) {
+            super(rs, type, sampleCount, true, debug, trace);
+        }
+
+        @Override
+        public void attachInputListenerTo(final GLWindow window) {
+            super.attachInputListenerTo(window);
+        }
+        public void setSampleCount(final int sampleCount){
+            // setMatrix(xt, yt, zoom, angle, sampleCount);
+            setMatrix(0, 0, 0, 0f, sampleCount);
+        }
+
+        @Override
+        public void init(final GLAutoDrawable drawable) {
+            super.init(drawable);
+
+            final GL2ES2 gl = drawable.getGL().getGL2ES2();
+            gl.setSwapInterval(1);
+            gl.glEnable(GL.GL_DEPTH_TEST);
+
+            final RenderState rs = getRenderer().getRenderState();
+            rs.setColorStatic(0.1f, 0.1f, 0.1f, 1.0f);
+        }
+
+        @Override
+        public void display(final GLAutoDrawable drawable) {
+            super.display(drawable);
+        }
+    }
+}