/*
 *  klokdisplay
 *
 *  Copyright (C) 2009-2015 Christian Pointner <equinox@spreadspace.org>
 *
 *  This file is part of klokdisplay.
 *
 *  klokdisplay 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
 *  any later version.
 *
 *  klokdisplay 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 klokdisplay. If not, see <http://www.gnu.org/licenses/>.
 */

#include <unistd.h>
#include <syslog.h>

#include <wand/MagickWand.h>

void klok_unlink(const char* file)
{
  unlink(file);
  syslog(LOG_INFO, "just deleted: '%s'", file);
}

int main(int argc, char **argv)
{
  if(argc < 2) {
    fprintf(stderr, "Usage: klokdisplay <file>\n");
    exit(1);
  }

  MagickWand *wand = NULL;
  MagickBooleanType status = MagickFalse;

  openlog("klokdisplay", 0, LOG_LOCAL5);

  MagickCoreGenesis(*argv, MagickTrue);

	wand = NewMagickWand();
	if(wand) {
    status = MagickReadImage(wand, argv[1]);
    klok_unlink(argv[1]);
    if(status != MagickFalse) {
      status = MagickDisplayImage(wand, NULL);
    }
    wand = DestroyMagickWand(wand);
  } else {
    klok_unlink(argv[1]);
  }

  MagickCoreTerminus();

  return(status != MagickFalse ? 0 : 1);
}