X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2Fnodes%2FImageNode.java;h=43cf64eb0a2159f9d1fce6f12b4ed6351dfe6dd3;hb=a9513be166b1fd5c369b013fedfdd39f07685a2c;hp=df35e968ef41501bd537425e97a513759719d747;hpb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ImageNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ImageNode.java
index df35e968e..43cf64eb0 100644
--- a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ImageNode.java
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/ImageNode.java
@@ -11,6 +11,8 @@
  *******************************************************************************/
 package org.simantics.scenegraph.g2d.nodes;
 
+import java.awt.AlphaComposite;
+import java.awt.Composite;
 import java.awt.Graphics2D;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Rectangle2D;
@@ -28,6 +30,7 @@ public class ImageNode extends G2DNode {
 
     protected Boolean visible = Boolean.TRUE;
     protected BufferedImage img = null;
+    protected float alpha = 1.0f;
 
     @SyncField("visible")
     public void setVisible(Boolean visible) {
@@ -50,6 +53,10 @@ public class ImageNode extends G2DNode {
         img = src;
     }
 
+    public void setAlpha(float alpha) {
+        this.alpha = Math.max(0.0f, Math.min(alpha, 1.0f));
+    }
+
     @Override
     public void render(Graphics2D g) {
         if (!visible || img == null) return;
@@ -65,8 +72,17 @@ public class ImageNode extends G2DNode {
 //            Rectangle2D b = parent.getBoundsInLocal();
 //            g.drawImage(img, (int)b.getMinX(), (int)b.getMinY(), (int)b.getWidth()+(int)b.getMinX(), (int)b.getHeight()+(int)b.getMinY(), 0, 0, img.getWidth(), img.getHeight(), null);
 //        }
+
+        Composite old = null;
+        if (alpha < 1.0f) {
+            old = g.getComposite();
+            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
+        }
+
         g.drawImage(img, 0, 0, null);
 
+        if (old != null)
+            g.setComposite(old);
         if (ot != null)
             g.setTransform(ot);
     }