Graph/Text: Prepare unit tests for font rendering validation (WIP)

16 files changed, 425 insertions, 24 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/graph/FontSet01.java b/src/test/com/jogamp/opengl/test/junit/graph/FontSet01.java
new file mode 100644
index 000000000..03a00af78
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/FontSet01.java
@@ -0,0 +1,35 @@
+package com.jogamp.opengl.test.junit.graph;
+
+import java.io.IOException;
+
+import com.jogamp.common.util.IOUtil;
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.font.FontFactory;
+import com.jogamp.graph.font.FontSet;
+
+public class FontSet01 {
+    public static Font[] getSet01() throws IOException {
+        final Font[] fonts = new Font[11];
+        int i = 0;
+        fonts[i++] = FontFactory.get(FontFactory.UBUNTU).getDefault(); // FontSet.FAMILY_REGULAR, FontSet.STYLE_NONE
+        fonts[i++] = FontFactory.get(FontFactory.UBUNTU).get(FontSet.FAMILY_REGULAR, FontSet.STYLE_ITALIC);
+        fonts[i++] = FontFactory.get(FontFactory.UBUNTU).get(FontSet.FAMILY_REGULAR, FontSet.STYLE_BOLD);
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeMono.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeMonoBold.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSans.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSansBold.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSerif.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSerifBold.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSerifBoldItalic.ttf"));
+        fonts[i++] = FontFactory.get(IOUtil.getResource(TestTextRendererNEWTBugXXXX.class,
+                "fonts/freefont/FreeSerifItalic.ttf"));
+        return fonts;
+    }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/TestFontsNEWT00.java b/src/test/com/jogamp/opengl/test/junit/graph/TestFontsNEWT00.java
new file mode 100644
index 000000000..e0c6d2ac0
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestFontsNEWT00.java
@@ -0,0 +1,93 @@
+/**
+ * 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.IOException;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.FixMethodOrder;
+import org.junit.runners.MethodSorters;
+
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.font.Font.Glyph;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestFontsNEWT00 extends UITestCase {
+    static boolean mainRun = false;
+
+    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 {
+        mainRun = true;
+        final String tstname = TestFontsNEWT00.class.getName();
+        org.junit.runner.JUnitCore.main(tstname);
+    }
+
+    @Test
+    public void test00() throws InterruptedException, IOException {
+        testFontImpl(FontSet01.getSet01());
+    }
+    void testFontImpl(final Font[] fonts) throws InterruptedException, IOException {
+        final float fontSize = 10;
+        final float dpi = 96;
+        for(int i=0; i<fonts.length; i++) {
+            final Font font = fonts[i];
+            final float pixelSize = font.getPixelSize(fontSize, dpi);
+            System.err.println(font.getFullFamilyName(null).toString()+": "+fontSize+"p, "+dpi+"dpi -> "+pixelSize+"px:");
+            testFontGlyphAdvancedSize(font, ' ', Glyph.ID_SPACE, fontSize, dpi, pixelSize);
+            testFontGlyphAdvancedSize(font, 'X', 'X', fontSize, dpi, pixelSize);
+        }
+    }
+    void testFontGlyphAdvancedSize(final Font font, final char c, final int glyphID,
+                                   final float fontSize, final float dpi, final float pixelSize) {
+        final float glyphScale = font.getGlyph(c).getScale(pixelSize);
+        final float fontScale = font.getMetrics().getScale(pixelSize);
+
+        // return this.metrics.getAdvance(pixelSize, useFrationalMetrics);
+        // this.metrics.getAdvance(pixelSize, useFrationalMetrics)
+        // this.advance * this.font.getMetrics().getScale(pixelSize)
+        // font.getHmtxTable().getAdvanceWidth(glyphID) * this.font.getMetrics().getScale(pixelSize)
+        final float spaceAdvanceSizeOfGlyph = font.getGlyph(c).getAdvance(pixelSize, true);
+
+        // font.getHmtxTable().getAdvanceWidth(glyphID) * metrics.getScale(pixelSize);
+        // font.getHmtxTable().getAdvanceWidth(glyphID) * pixelSize * unitsPerEM_Inv;
+        final float spaceAdvanceWidth = font.getAdvanceWidth(glyphID, pixelSize);
+        System.err.println("    Char '"+c+"', "+glyphID+":");
+        System.err.println("        glyphScale "+glyphScale);
+        System.err.println("        glyphSize  "+spaceAdvanceSizeOfGlyph);
+        System.err.println("        fontScale  "+fontScale);
+        System.err.println("        fontWidth  "+spaceAdvanceWidth);
+    }
+}
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 cb9f3e3d4..9ac5f2668 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWT10.java
@@ -27,12 +27,14 @@
  */
 package com.jogamp.opengl.test.junit.graph;
 
+import java.io.File;
 import java.io.IOException;
 
 import javax.media.opengl.GL;
 import javax.media.opengl.GL2ES2;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.fixedfunc.GLMatrixFunc;
 
@@ -42,6 +44,8 @@ import org.junit.Test;
 import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
+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;
@@ -49,8 +53,10 @@ import com.jogamp.graph.font.Font;
 import com.jogamp.graph.font.FontFactory;
 import com.jogamp.graph.geom.SVertex;
 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;
 
 
@@ -64,13 +70,16 @@ public class TestTextRendererNEWT10 extends UITestCase {
     static boolean mainRun = false;
     static boolean useMSAA = true;
 
-    static final int[] texSize = new int[] { 0 };
-    static final int fontSize = 24;
     static Font font;
+    static float fontSize = 24;
+    static String customStr = null;
 
     @BeforeClass
     public static void setup() throws IOException {
-        font = FontFactory.get(FontFactory.UBUNTU).getDefault();
+        if( null == font ) {
+            font = FontFactory.get(FontFactory.UBUNTU).getDefault();
+            // font = FontFactory.get(FontFactory.JAVA).getDefault();
+        }
     }
 
     static int atoi(final String a) {
@@ -91,6 +100,15 @@ public class TestTextRendererNEWT10 extends UITestCase {
                 forceES2 = true;
             } else if(args[i].equals("-gl3")) {
                 forceGL3 = true;
+            } else if(args[i].equals("-font")) {
+                i++;
+                font = FontFactory.get(IOUtil.getResource(TestTextRendererNEWT10.class, args[i]));
+            } 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 = TestTextRendererNEWT10.class.getName();
@@ -105,16 +123,21 @@ public class TestTextRendererNEWT10 extends UITestCase {
     }
 
     // @Test
-    public void test00TextRendererNONE01() throws InterruptedException {
-        testTextRendererImpl(0);
+    public void test00TextRendererNONE00() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(0, 0);
+    }
+
+    // @Test
+    public void test01TextRendererMSAA04() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(0, 4);
     }
 
     @Test
-    public void testTextRendererMSAA01() throws InterruptedException {
-        testTextRendererImpl(4);
+    public void test02TextRendererVBAA04() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(Region.VBAA_RENDERING_BIT, 4);
     }
 
-    void testTextRendererImpl(final int sampleCount) throws InterruptedException {
+    void testTextRendererImpl(final int renderModes, final int sampleCount) throws InterruptedException, GLException, IOException {
         final GLProfile glp;
         if(forceGL3) {
             glp = GLProfile.get(GLProfile.GL3);
@@ -123,13 +146,15 @@ public class TestTextRendererNEWT10 extends UITestCase {
         } else {
             glp = GLProfile.getGL2ES2();
         }
+
         final GLCapabilities caps = new GLCapabilities( glp );
         caps.setAlphaBits(4);
-        if( 0 < sampleCount ) {
+        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 NEWTGLContext.WindowContext winctx = NEWTGLContext.createOnscreenWindow(caps, 800, 400, true);
         final GLDrawable drawable = winctx.context.getGLDrawable();
@@ -142,12 +167,13 @@ public class TestTextRendererNEWT10 extends UITestCase {
         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(0);
+        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());
@@ -155,32 +181,40 @@ public class TestTextRendererNEWT10 extends UITestCase {
         // 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);
-        renderString(drawable, gl, renderer, textRenderUtil, "012345678901234567890123456789", 0,  0, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 0, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "Hello World", 0, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "4567890123456", 4, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "I like JogAmp", 4, -1, -1000);
-
-        int c = 0;
-        renderString(drawable, gl, renderer, textRenderUtil, "GlueGen", c++, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "JOAL", c++, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "JOGL", c++, -1, -1000);
-        renderString(drawable, gl, renderer, textRenderUtil, "JOCL", c++, -1, -1000);
-
+        if( null == customStr ) {
+            renderString(drawable, gl, renderer, textRenderUtil, "012345678901234567890123456789", 0,  0, -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);
+        }
         drawable.swapBuffers();
+        printScreen(renderModes, drawable, gl, false, sampleCount);
+
         sleep();
 
         // dispose
+        screenshot.dispose(gl);
         renderer.destroy(gl);
 
         NEWTGLContext.destroyWindow(winctx);
     }
 
+    private GLReadBufferUtil screenshot;
     int lastRow = -1;
 
-    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) {
+    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();
 
         int dx = 0;
@@ -196,8 +230,25 @@ public class TestTextRendererNEWT10 extends UITestCase {
         pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
         pmv.glLoadIdentity();
         pmv.glTranslatef(dx, dy, z0);
-        textRenderUtil.drawString3D(gl, renderer, font, fontSize, text, null, texSize);
+        textRenderUtil.drawString3D(gl, renderer, font, fontSize, 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("%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
+                drawable.getChosenGLCapabilities().getNumSamples(),
+                TestTextRendererNEWT10.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/TestTextRendererNEWTBugXXXX.java b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWTBugXXXX.java
new file mode 100644
index 000000000..b29d886c9
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/TestTextRendererNEWTBugXXXX.java
@@ -0,0 +1,222 @@
+/**
+ * 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 javax.media.opengl.GL;
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLException;
+import javax.media.opengl.GLProfile;
+import javax.media.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.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.geom.SVertex;
+import com.jogamp.opengl.math.geom.AABBox;
+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;
+
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class TestTextRendererNEWTBugXXXX extends UITestCase {
+    static long duration = 100; // ms
+    static boolean forceES2 = false;
+    static boolean forceGL3 = false;
+    static boolean mainRun = false;
+    static boolean useMSAA = true;
+    static boolean onlyIssues = false;
+
+    static final float fontSize = 24;
+
+    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 {
+        mainRun = true;
+        for(int i=0; i<args.length; i++) {
+            if(args[i].equals("-time")) {
+                i++;
+                duration = 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;
+            }
+        }
+        final String tstname = TestTextRendererNEWTBugXXXX.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) {}
+    }
+
+    @Test
+    public void test00() throws InterruptedException, GLException, IOException {
+        testTextRendererImpl(FontSet01.getSet01(), Region.VBAA_RENDERING_BIT, 4);
+    }
+    void testTextRendererImpl(final Font[] fonts, 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();
+        }
+
+        final GLCapabilities caps = new GLCapabilities( glp );
+        caps.setAlphaBits(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 NEWTGLContext.WindowContext winctx =
+                // NEWTGLContext.createOnscreenWindow(caps, 800, 400, true);
+                NEWTGLContext.createOffscreenWindow(caps, 800, 200*fonts.length, true);
+        final GLDrawable drawable = winctx.context.getGLDrawable();
+        final GL2ES2 gl = winctx.context.getGL().getGL2ES2();
+
+        Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
+
+        System.err.println("Chosen: "+winctx.window.getChosenCapabilities());
+
+        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);
+        for(int i=0; i<fonts.length; i++) {
+            final Font font = fonts[i];
+            renderString(drawable, gl, renderer, font, textRenderUtil, font.getFullFamilyName(null).toString()+": "+issues, 0,  0==i?0:-1, -1000, sampleCountIO);
+            if(!onlyIssues) {
+                renderString(drawable, gl, renderer, font, textRenderUtil, "012345678901234567890123456789", 0,  -1, -1000, sampleCountIO);
+                renderString(drawable, gl, renderer, font, textRenderUtil, "abcdefghijklmnopqrstuvwxyz", 0, -1, -1000, sampleCountIO);
+                renderString(drawable, gl, renderer, font, textRenderUtil, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 0, -1, -1000, sampleCountIO);
+                renderString(drawable, gl, renderer, font, textRenderUtil, "", 0, -1, -1000, sampleCountIO);
+                renderString(drawable, gl, renderer, font, textRenderUtil, "", 0, -1, -1000, sampleCountIO);
+            }
+        }
+
+        drawable.swapBuffers();
+        printScreen(renderModes, drawable, gl, false, sampleCount);
+
+        sleep();
+
+        // dispose
+        screenshot.dispose(gl);
+        renderer.destroy(gl);
+
+        NEWTGLContext.destroyWindow(winctx);
+    }
+
+    private static final String issues = "m M n u 8 g q Q";
+    private GLReadBufferUtil screenshot;
+    int lastRow = -1;
+
+    void renderString(final GLDrawable drawable, final GL2ES2 gl, final RegionRenderer renderer, final Font font, final TextRegionUtil textRenderUtil, final String text, final int column, int row, final int z0, final int[] sampleCount) {
+        final int height = drawable.getSurfaceHeight();
+
+        int dx = 0;
+        int dy = height;
+        if(0>row) {
+            row = lastRow + 1;
+        }
+        final AABBox textBox = font.getMetricBounds(text, fontSize);
+        dx += font.getAdvanceWidth('X', fontSize) * column;
+        dy -= (int)textBox.getHeight() * ( row + 1 );
+
+        final PMVMatrix pmv = renderer.getMatrix();
+        pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+        pmv.glLoadIdentity();
+        pmv.glTranslatef(dx, dy, z0);
+        textRenderUtil.drawString3D(gl, renderer, font, fontSize, 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("%s-msaa%02d-fontsz%02.1f-%03dx%03d-%s%04d", objName,
+                drawable.getChosenGLCapabilities().getNumSamples(),
+                TestTextRendererNEWTBugXXXX.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/fonts/freefont/FreeMono.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMono.ttf
new file mode 100644
index 000000000..c4200565a
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMono.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBold.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBold.ttf
new file mode 100644
index 000000000..0bee057ec
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBold.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBoldOblique.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBoldOblique.ttf
new file mode 100644
index 000000000..91bbc0e8a
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoBoldOblique.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoOblique.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoOblique.ttf
new file mode 100644
index 000000000..3252bdda6
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeMonoOblique.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSans.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSans.ttf
new file mode 100644
index 000000000..e56dc6e90
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSans.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBold.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBold.ttf
new file mode 100644
index 000000000..66e19ecb0
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBold.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBoldOblique.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBoldOblique.ttf
new file mode 100644
index 000000000..de8a9e153
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansBoldOblique.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansOblique.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansOblique.ttf
new file mode 100644
index 000000000..b0357eabb
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSansOblique.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerif.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerif.ttf
new file mode 100644
index 000000000..dffa1aedb
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerif.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBold.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBold.ttf
new file mode 100644
index 000000000..e2393ad22
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBold.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBoldItalic.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBoldItalic.ttf
new file mode 100644
index 000000000..46bc4695f
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifBoldItalic.ttf
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifItalic.ttf b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifItalic.ttf
new file mode 100644
index 000000000..d173e3566
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/graph/fonts/freefont/FreeSerifItalic.ttf