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changeset 17045:6dec8dbf8a97

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axis.m: Overhaul to use new __plt_get_axis_arg__. * scripts/plot/axis.m: Use hax instead of h. Use gca if hax not set. Rename output of function to match documentation.
author Rik <rik@octave.org>
date Wed, 24 Jul 2013 23:12:46 -0700
parents cec8c423b3e8
children 33444116aa77
files scripts/plot/axis.m
diffstat 1 files changed, 16 insertions(+), 12 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/plot/axis.m	Wed Jul 24 23:12:46 2013 -0700
+++ b/scripts/plot/axis.m	Wed Jul 24 23:12:46 2013 -0700
@@ -130,26 +130,29 @@
 
 ## Author: jwe
 
-function varargout = axis (varargin)
+function limits = axis (varargin)
 
-  [h, varargin, nargin] = __plt_get_axis_arg__ ("axis", varargin{:});
+  [hax, varargin, nargin] = __plt_get_axis_arg__ ("axis", varargin{:});
 
-  oldh = gca ();
+  oldfig = ifelse (isempty (hax), [], get (0, "currentfigure"));
   unwind_protect
-    axes (h);
-    varargout = cell (max (nargin == 0, nargout), 1);
-    if (isempty (varargout))
-      __axis__ (h, varargin{:});
+    if (isempty (hax))
+      hax = gca ();
+    endif
+    if (nargin == 0)
+      limits = __axis__ (hax, varargin{:});
     else
-      [varargout{:}] = __axis__ (h, varargin{:});
+      __axis__ (hax, varargin{:});
     endif
   unwind_protect_cleanup
-    axes (oldh);
+    if (! isempty (oldfig))
+      set (0, "currentfigure", oldfig);
+    endif
   end_unwind_protect
 
 endfunction
 
-function curr_axis = __axis__ (ca, ax, varargin)
+function limits = __axis__ (ca, ax, varargin)
 
   if (nargin == 1)
     if (nargout == 0)
@@ -159,10 +162,10 @@
       ylim = get (ca, "ylim");
       view = get (ca, "view");
       if (view(2) == 90)
-        curr_axis = [xlim, ylim];
+        limits = [xlim, ylim];
       else
         zlim = get (ca, "zlim");
-        curr_axis = [xlim, ylim, zlim];
+        limits = [xlim, ylim, zlim];
       endif
     endif
 
@@ -369,6 +372,7 @@
 
 endfunction
 
+
 %!demo
 %! clf;
 %! t = 0:0.01:2*pi;