X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FSCLScenegraph.java;h=55ed12656131c0629595cd7ded70c4f4bd064234;hp=7545106580b7ea0fa3eebeef97605f7e87605687;hb=ec70c03d4ce3f68b71de5eeadce3d008620c5521;hpb=40370f30d373d8ad850495f100700141ff600fa3

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
index 754510658..55ed12656 100644
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/SCLScenegraph.java
@@ -1,6 +1,7 @@
 package org.simantics.modeling;
 
 import java.awt.BasicStroke;
+import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.RenderingHints;
 import java.awt.RenderingHints.Key;
@@ -45,6 +46,7 @@ import org.simantics.diagram.elements.DiagramNodeUtil;
 import org.simantics.diagram.elements.TextGridNode;
 import org.simantics.diagram.elements.TextNode;
 import org.simantics.diagram.stubs.DiagramResource;
+import org.simantics.g2d.canvas.Hints;
 import org.simantics.g2d.canvas.ICanvasContext;
 import org.simantics.g2d.diagram.DiagramHints;
 import org.simantics.g2d.diagram.IDiagram;
@@ -276,6 +278,23 @@ public class SCLScenegraph {
     	}
         return "No nodes in scenegraph!";
     }
+    
+    /**
+     * Returns background color of a canvasContext or null.
+     * @param ctx
+     * @return color in RGBA List<Integer> format, or null.
+     */
+    public static List<Integer> getBackgroundColor(ICanvasContext ctx) {
+    	Color color = ctx.getDefaultHintContext().getHint(Hints.KEY_BACKGROUND_COLOR);
+    	if (color == null)
+    		return null;
+    	ArrayList<Integer> rgba = new ArrayList<>(4);
+    	rgba.add(color.getRed());
+    	rgba.add(color.getGreen());
+    	rgba.add(color.getBlue());
+    	rgba.add(color.getAlpha());
+    	return rgba;
+    }
 
     public static String sceneGraphTest (ICanvasContext ctx, String module, String value) {