diff -r c501e3553048 -r 8670e67344de XBMReader.st
--- a/XBMReader.st	Mon Aug 17 10:06:57 1998 +0200
+++ b/XBMReader.st	Mon Aug 17 10:17:18 1998 +0200
@@ -69,11 +69,20 @@
 canRepresent:anImage
     "return true, if anImage can be represented in my file format"
 
-    |photometric|
+    |photometric clr0 clr1|
 
     (anImage depth ~~ 1) ifTrue:[^ false.].
-    (((photometric := anImage photometric) ~~ #blackIs0) and:[photometric ~~ #whiteIs0]) ifTrue:[^ false.].
-    ^ true
+    (photometric := anImage photometric) == #blackIs0 ifTrue:[^ true].
+    photometric == #whiteIs0 ifTrue:[^ true].
+    photometric == #palette ifTrue:[
+        clr0 := anImage colorFromValue:0.
+        clr1 := anImage colorFromValue:1.
+        (clr0 = Color white and:[clr1 = Color black]) ifTrue:[^true].
+        (clr1 = Color white and:[clr0 = Color black]) ifTrue:[^true].
+    ].
+    ^ false
+
+    "Modified: / 17.8.1998 / 10:17:01 / cg"
 !
 
 isValidImageFile:aFileName
@@ -309,6 +318,6 @@
 !XBMReader class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libview2/XBMReader.st,v 1.38 1998-02-03 17:19:55 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libview2/XBMReader.st,v 1.39 1998-08-17 08:17:18 cg Exp $'
 ! !
 XBMReader initialize!