setgraphics black

[jalview.git] / src / jalview / gui / IdCanvas.java

diff --git a/src/jalview/gui/IdCanvas.java b/src/jalview/gui/IdCanvas.java
index 048fb37..4f5288d 100755 (executable)
--- a/src/jalview/gui/IdCanvas.java
+++ b/src/jalview/gui/IdCanvas.java
@@ -19,7 +19,7 @@ public class IdCanvas extends JPanel
   int imgHeight=0;\r
   boolean fastPaint = false;\r
 \r
-  java.util.ArrayList searchResults;\r
+  java.util.Vector searchResults;\r
 \r
   public IdCanvas(AlignViewport av)\r
   {\r
@@ -105,6 +105,10 @@ public class IdCanvas extends JPanel
 \r
     imgHeight = getHeight();\r
     imgHeight -= imgHeight % av.charHeight;\r
+\r
+    if (imgHeight<1)\r
+      return;\r
+\r
     image = new BufferedImage(getWidth(), imgHeight, BufferedImage.TYPE_INT_RGB);\r
     gg = (Graphics2D) image.getGraphics();\r
     //Fill in the background\r
@@ -193,7 +197,7 @@ public class IdCanvas extends JPanel
 \r
   }\r
 \r
-  public void setHighlighted(java.util.ArrayList found)\r
+  public void setHighlighted(java.util.Vector found)\r
   {\r
     searchResults = found;\r
     repaint();\r