--- qpaintdevice_x11.cpp        2006-03-08 10:47:51.000000000 -0600
+++ qpaintdevice_x11.cpp.new    2007-03-29 19:28:55.000000000 -0500
@@ -526,11 +526,26 @@
     Q_CHECK_PTR( dpisX );
     Q_CHECK_PTR( dpisY );
     for ( i = 0; i < screens; i++ ) {
-       dpisX[ i ] = (DisplayWidth(dpy,i) * 254 + DisplayWidthMM(dpy,i)*5)
+
+       //qWarning( "f: The index cannot be negative" );
+#if defined(DEBUG)
+       qDebug( "Screen Details: %d\n\tWidth: %d\tWidth MM: %d", i, DisplayWidth(dpy,i), DisplayWidthMM(dpy,i) );
+       qDebug( "\tHeight:%d\t Height  %d", DisplayHeight(dpy,i), DisplayHeightMM(dpy,i) );
+#endif
 
+       if (DisplayWidthMM(dpy,i) < 1)
+               dpisX[ i ] = 75; // default the dpi to 75.
+       else
+               dpisX[ i ] = (DisplayWidth(dpy,i) * 254 + DisplayWidthMM(dpy,i)*5)
                     / (DisplayWidthMM(dpy,i)*10);
-       dpisY[ i ] = (DisplayHeight(dpy,i) * 254 + DisplayHeightMM(dpy,i)*5)
+       if (DisplayWidthMM(dpy,i) < 1)
+               dpisY[ i ] = 75; // default the dpi to 75.
+       else
+               dpisY[ i ] = (DisplayHeight(dpy,i) * 254 + DisplayHeightMM(dpy,i)*5)
                     / (DisplayHeightMM(dpy,i)*10);
+#if defined(DEBUG)
+       qDebug( "\tDPI: %dx%d", dpisX[ i ], dpisY[ i ]  );
+#endif
     }
 }