C++ Returning enumerated type Post: 302734329

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Top Forums Programming C++ Returning enumerated type Post 302734329 by kristinu on Thursday 22nd of November 2012 01:14:00 AM

11-22-2012

Registered User

C++ Returning enumerated type

I am trying to create a function to return me the verbosity level, so I can call it
as follows

Code:

String  s = "normal";
Verbosity  log_level;
log_level = get_log_level(s);

I started a version in the last function but I am having trouble getting it to work.

Code:

#ifndef __VERBOSE_HH__
#define __VERBOSE_HH__

#include "string.hh"
#include "common.hh"

///////////////////////////////////////////////////////////////////////////////

/// \brief
/// sets the verbosity level.
/// \enum Verbose List of valid verbosity levels.

enum  Verbosity {
    none   = 0,
    low    = 1,
    normal = 2,
    medium = 3,
    high   = 4,
    full   = 5,
    diag   = 6
};

///////////////////////////////////////////////////////////////////////////////

/// \brief Sets the verbosity level defined by the user.
/// \param s String specifying the verbosity level.
/// \param vbLevel
/// \return bool Returns true if verbosity level is valid.

bool  get_log_level(
  String&  s,
  Verbosity&  log_level
) {

  if (s == String("none")) {
    log_level = none;
    return (true);

  } else if (s == String("low")) {
    log_level = low;
    return (true);

  } else if (s == String("medium")) {
    log_level = medium;
    return (true);

  } else if (s == String("high")) {
    log_level = high;
    return (true);

  } else if (s == String("full")) {
    log_level = full;
    return (true);

  } else if (s == String("diag")) {
    log_level = diag;
    return (true);

  } else {
    return (false);

  }

}

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

Verbosity&  get_log_level(
  String&  s
) {

  if (s == String("none")) {
//    log_level = none;
    return (none);

  } else if (s == String("low")) {
//    log_level = low;
    return (low);

  } else if (s == String("medium")) {
//    log_level = medium;
    return (medium);

  } else if (s == String("high")) {
//    log_level = high;
    return (high);

  } else if (s == String("full")) {
//    log_level = full;
    return (full);

  } else if (s == String("diag")) {
//    log_level = diag;
    return (diag);

  } else {
    return (normal);

  }

}

#endif

kristinu

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ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)