headless backend demo

[fanfix.git] / src / jexer / backend / ECMA48Terminal.java

diff --git a/src/jexer/backend/ECMA48Terminal.java b/src/jexer/backend/ECMA48Terminal.java
index ed2715c834bc3402062690cd270b4846c4dae618..0389f3d388e3146c64aeab299c5f2ec357110a70 100644 (file)
--- a/src/jexer/backend/ECMA48Terminal.java
+++ b/src/jexer/backend/ECMA48Terminal.java
@@ -1643,7 +1643,10 @@ public class ECMA48Terminal extends LogicalScreen
      * @return the width in pixels of a character cell
      */
     public int getTextWidth() {
-        return (widthPixels / sessionInfo.getWindowWidth());
+        if (sessionInfo.getWindowWidth() > 0) {
+            return (widthPixels / sessionInfo.getWindowWidth());
+        }
+        return 16;
     }
 
     /**
@@ -1652,7 +1655,10 @@ public class ECMA48Terminal extends LogicalScreen
      * @return the height in pixels of a character cell
      */
     public int getTextHeight() {
-        return (heightPixels / sessionInfo.getWindowHeight());
+        if (sessionInfo.getWindowHeight() > 0) {
+            return (heightPixels / sessionInfo.getWindowHeight());
+        }
+        return 20;
     }
 
     /**