# HG changeset patch
# User Ben Abbott <bpabbott@mac.com>
# Date 1286638942 14400
# Node ID d748acc75658e9ae9e79540da33244398b2e5ed6
# Parent  8b9aeb20c03c55aeb873a90b79af33b1d7342cf0
gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab.

diff -r 8b9aeb20c03c -r d748acc75658 src/ChangeLog
--- a/src/ChangeLog	Sat Oct 09 11:33:00 2010 -0400
+++ b/src/ChangeLog	Sat Oct 09 11:42:22 2010 -0400
@@ -1,3 +1,7 @@
+2010-10-09  Ben Abbott <bpabbott@mac.com>
+
+	* gl-render.cc: Treat images with scalar unique(x/ydata) like Matlab.
+
 2010-10-08  John W. Eaton  <jwe@octave.org>
 
 	* octave.cc (maximum_braindamage):
diff -r 8b9aeb20c03c -r d748acc75658 src/gl-render.cc
--- a/src/gl-render.cc	Sat Oct 09 11:33:00 2010 -0400
+++ b/src/gl-render.cc	Sat Oct 09 11:42:22 2010 -0400
@@ -2703,8 +2703,15 @@
   int h = dv(0), w = dv(1);
   bool ok = true;
   
-  const Matrix x = props.get_xdata ().matrix_value ();
-  const Matrix y = props.get_ydata ().matrix_value ();
+  Matrix x = props.get_xdata ().matrix_value ();
+  Matrix y = props.get_ydata ().matrix_value ();
+
+  if (w > 1 && x(1) == x(0)) 
+    x(1) = x(1) + (w-1);
+
+  if (h > 1 && y(1) == y(0)) 
+    y(1) = y(1) + (h-1);
+
   const ColumnVector p0 = xform.transform (x(0), y(0), 0);
   const ColumnVector p1 = xform.transform (x(1), y(1), 0);