view examples/myprop.c @ 14325:a646cee995cf stable

disable zoom-box zooming for negative log scales; enable zooming for positive log scales * graphics.cc (axes::properties::zoom): Disable zooming if either axis is log and negative. (axes::properties::zoom_about_point): Enable zooming for positive log scale axes.
author John W. Eaton <jwe@octave.org>
date Sat, 04 Feb 2012 10:29:50 -0500
parents 4295d634797d
children 1b48b209a8d6
line wrap: on
line source

#include "mex.h"

void
mexFunction (int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[])
{
  double handle;
  char property[256];

  if (nrhs < 2 || nrhs > 3)
    mexErrMsgTxt ("incorrect number of arguments");
  if (!mxIsDouble(prhs[0]))
    mexErrMsgTxt ("handle expected to be a double scalar");
  if (!mxIsChar (prhs[1]))
    mexErrMsgTxt ("expected property to be a string");
  
  handle = mxGetScalar (prhs[0]);
  mxGetString (prhs[1], property, 256);
  plhs[0] = mxDuplicateArray (mexGet (handle, property));
  
  if (nrhs == 3)
    if (mexSet (handle, property, mxDuplicateArray (prhs[2])))
      mexErrMsgTxt ("failed to set property");
}