From bf14b4c1ce3e0954dae0eb5bb6820125f55b91b0 Mon Sep 17 00:00:00 2001
From: Martin Pernollet <martin@jzy3d.org>
Date: Wed, 15 Dec 2021 18:09:22 +0100
Subject: [PATCH] Started debugging

---
 .../jzy3d-jGL-awt/src/main/java/jgl/wt/awt/GL.java    | 11 ++++++++---
 .../org/jzy3d/tests/integration/ITTest_Colorbar.java  |  1 -
 .../org/jzy3d/tests/integration/ITTest_Scatter.java   |  5 +++++
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/jzy3d-jGL/jzy3d-jGL-awt/src/main/java/jgl/wt/awt/GL.java b/jzy3d-jGL/jzy3d-jGL-awt/src/main/java/jgl/wt/awt/GL.java
index 3ffc89966..a4008938c 100644
--- a/jzy3d-jGL/jzy3d-jGL-awt/src/main/java/jgl/wt/awt/GL.java
+++ b/jzy3d-jGL/jzy3d-jGL-awt/src/main/java/jgl/wt/awt/GL.java
@@ -31,13 +31,14 @@
 import java.awt.image.ImageObserver;
 import java.awt.image.MemoryImageSource;
 import java.awt.image.RenderedImage;
-
+import org.apache.log4j.Logger;
 import jgl.ImageToDraw;
 import jgl.TextToDraw;
 import jgl.context.gl_util;
 
 public final class GL extends jgl.GL<BufferedImage, Font> {
-
+    Logger log = Logger.getLogger(GL.class);
+    
 	protected Component canvas;
 	protected BufferedImage glImage;
 	protected boolean renderedOnce = false;
@@ -117,8 +118,12 @@ public BufferedImage getRenderedImage() {
 	public void applyViewport() {
 
 		// Update pixel scale to guess if HiDPI
-		if(canvas != null && canvas.getGraphics() != null)
+		if(canvas != null) { 
+		  if(canvas.getGraphics() != null)
 			updatePixelScale(canvas.getGraphics());
+		  else
+		    log.warn("Graphics is null, can't detect pixel scale");
+		}
 		super.applyViewport();
 	}
 
diff --git a/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Colorbar.java b/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Colorbar.java
index a4d5ca627..6395b6049 100644
--- a/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Colorbar.java
+++ b/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Colorbar.java
@@ -25,7 +25,6 @@ public static void main(String[] args) {
     //Chart c = new ITTest_Colorbar().whenColorbar_HasMininumWidth(WT.EmulGL_AWT, HiDPI.ON);
     //Chart c = new ITTest_Colorbar().whenColorbar_HasMininumWidth(WT.EmulGL_AWT, HiDPI.OFF);
     open(new ITTest_Colorbar().whenColorbar_IsModifiedByCustomFont(WT.EmulGL_AWT, HiDPI.ON));
-    open(new ITTest_Colorbar().whenColorbar_IsModifiedByCustomFont(WT.EmulGL_AWT, HiDPI.ON));
   }
   
   /* ************************************************************************************************** */
diff --git a/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Scatter.java b/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Scatter.java
index 0727a28c8..52281176e 100644
--- a/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Scatter.java
+++ b/jzy3d-tests-java9/src/test/java/org/jzy3d/tests/integration/ITTest_Scatter.java
@@ -6,6 +6,11 @@
 import org.jzy3d.utils.LoggerUtils;
 
 public class ITTest_Scatter extends ITTest{
+  public static void main(String[] args) {
+    new ITTest_Scatter().whenScatterChart_ThenMatchBaselineImagePixelwise(WT.EmulGL_AWT, HiDPI.ON);
+    
+  }
+  
   @Test
   public void whenScatterChart_ThenMatchBaselineImagePixelwise() {
     LoggerUtils.minimal();