# HG changeset patch
# User Pantxo Diribarne <address@hidden>
# Date 1414784661 -3600
#      Fri Oct 31 20:44:21 2014 +0100
# Node ID 325d3cfdcde53528e6d32487c515dadc89455641
# Parent  e1713e281ac540f4cee71be966a59e2decb795d0
Make "image ()" use the default image cdata

* graphics.in.h (image::properties::initialize_data): new public method to trigger the initialization of the x/ydata properties.

* graphics.in.h (image::image): call initialize_data.

* image.m: when called with no argument, use default image cdata

diff -r e1713e281ac5 -r 325d3cfdcde5 libinterp/corefcn/graphics.in.h
--- a/libinterp/corefcn/graphics.in.h	Tue Oct 07 21:11:17 2014 +0200
+++ b/libinterp/corefcn/graphics.in.h	Fri Oct 31 20:44:21 2014 +0100
@@ -4583,6 +4583,8 @@
 
     octave_value get_color_data (void) const;
 
+    void initialize_data (void) { update_cdata (); }
+
     // See the genprops.awk script for an explanation of the
     // properties declarations.
     // Programming note: Keep property list sorted if new ones are added.
@@ -4750,6 +4752,7 @@
     : base_graphics_object (), xproperties (mh, p)
   {
     xproperties.override_defaults (*this);
+    xproperties.initialize_data ();
   }
 
   ~image (void) { }
diff -r e1713e281ac5 -r 325d3cfdcde5 scripts/image/image.m
--- a/scripts/image/image.m	Tue Oct 07 21:11:17 2014 +0200
+++ b/scripts/image/image.m	Fri Oct 31 20:44:21 2014 +0100
@@ -69,7 +69,7 @@
   
   do_new = true;
   if (nargin == 0)
-    img = imread ("default.img");
+    img = get (0, "defaultimagecdata");
     x = y = [];
   elseif (chararg == 1) 
     ## Low-Level syntax