view src/oct-prcstrm.h @ 14324:5a2b012b10c7

allow zooming for logscale plots * graphics.cc (axes::properties::zoom_about_point): Allow zooming for logscale axes. * graphics.h.in (class neg_log_scaler): New class. (log_scalar::do_neg_scale): Delete (log_scalar::scale): Don't attempt to handle negative data. (axes::properties::get_scale): New function. (axes::properties::update_xscale, axes::properties::update_yscale, axes::properties::update_zscale): Use it. (axes::properties::update_xlim): Call update_xscale. (axes::properties::update_ylim): Call update_yscale. (axes::properties::update_zlim): Call update_zscale.
author John W. Eaton <jwe@octave.org>
date Fri, 03 Feb 2012 19:54:26 -0500
parents 72c96de7a403
children
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/*

Copyright (C) 1996-2012 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_octave_procstream_h)
#define octave_octave_procstream_h 1

#include "oct-stdstrm.h"

// FIXME -- why don't these classes use iprocstream and
// oprocstream, which in turn use the octave_procbuf class?

class
octave_iprocstream : public octave_stdiostream
{
public:

  octave_iprocstream (const std::string& n,
                      std::ios::openmode arg_md = std::ios::in,
                      oct_mach_info::float_format flt_fmt
                        = oct_mach_info::native_float_format ());

  static octave_stream
  create (const std::string& n, std::ios::openmode arg_md = std::ios::in,
          oct_mach_info::float_format flt_fmt
            = oct_mach_info::native_float_format ());

protected:

  ~octave_iprocstream (void);

private:

  // No copying!

  octave_iprocstream (const octave_iprocstream&);

  octave_iprocstream& operator = (const octave_iprocstream&);
};

class
octave_oprocstream : public octave_stdiostream
{
public:

  octave_oprocstream (const std::string& n,
                      std::ios::openmode arg_md = std::ios::out,
                      oct_mach_info::float_format flt_fmt
                        = oct_mach_info::native_float_format ());

  static octave_stream
  create (const std::string& n, std::ios::openmode arg_md = std::ios::out,
          oct_mach_info::float_format flt_fmt
            = oct_mach_info::native_float_format ());

protected:

  ~octave_oprocstream (void);

private:

  // No copying!

  octave_oprocstream (const octave_oprocstream&);

  octave_oprocstream& operator = (const octave_oprocstream&);
};

#endif