/* Gdk-Pixbuf-Pixdata - GdkPixbuf to GdkPixdata

 * Copyright (C) 1999, 2001 Tim Janik

 * Copyright (C) 2012 Red Hat, Inc

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include "gdk-pixbuf.h"

#include "gdk-pixdata.h"

#include <glib/gprintf.h>

#include <stdlib.h>

#include <string.h>

/* --- defines --- */

#undef	G_LOG_DOMAIN

#define	G_LOG_DOMAIN	"Gdk-Pixbuf-Pixdata"

#define PRG_NAME        "gdk-pixbuf-pixdata-3.0"

#define PKG_NAME        "gdk-pixbuf"

#define PKG_HTTP_HOME   "http://www.gtk.org"

static gboolean use_rle = FALSE;

/* --- prototypes --- */

static void	parse_args	(gint    *argc_p,

				 gchar ***argv_p);

static void	print_blurb	(FILE    *bout,

				 gboolean print_help);

int

main (int   argc,

      char *argv[])

{

  GdkPixbuf *pixbuf;

  GError *error = NULL;

  gchar *infilename;

  gchar *outfilename;

  gpointer free_me;

  GdkPixdata pixdata;

  guint8 *data;

  guint data_len;

  /* parse args and do fast exits */

  parse_args (&argc, &argv);

  if (argc != 3)

    {

      print_blurb (stderr, TRUE);

      return 1;

    }

#ifdef G_OS_WIN32

  infilename = g_locale_to_utf8 (argv[1], -1, NULL, NULL, NULL);

#else

  infilename = argv[1];

#endif

#ifdef G_OS_WIN32

  outfilename = g_locale_to_utf8 (argv[2], -1, NULL, NULL, NULL);

#else

  outfilename = argv[2];

#endif

  pixbuf = gdk_pixbuf_new_from_file (infilename, &error);

  if (!pixbuf)

    {

      g_printerr ("failed to load \"%s\": %s\n",

		  argv[1],

		  error->message);

      g_error_free (error);

      return 1;

    }

G_GNUC_BEGIN_IGNORE_DEPRECATIONS

  free_me = gdk_pixdata_from_pixbuf (&pixdata, pixbuf, use_rle);

  data = gdk_pixdata_serialize (&pixdata, &data_len);

G_GNUC_END_IGNORE_DEPRECATIONS

  if (!g_file_set_contents (outfilename, (char *)data, data_len, &error))

    {

      g_printerr ("failed to load \"%s\": %s\n",

		  argv[1],

		  error->message);

      g_error_free (error);

      return 1;

    }

  g_free (data);

  g_free (free_me);

  g_object_unref (pixbuf);

  return 0;

}

static void

parse_args (gint    *argc_p,

	    gchar ***argv_p)

{

  guint argc = *argc_p;

  gchar **argv = *argv_p;

  guint i, e;

  for (i = 1; i < argc; i++)

    {

      if (strcmp ("-r", argv[i]) == 0 ||

	  strcmp ("--rle", argv[i]) == 0)

	{

	  use_rle = TRUE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-h", argv[i]) == 0 ||

	  strcmp ("--help", argv[i]) == 0)

	{

	  print_blurb (stderr, TRUE);

	  argv[i] = NULL;

	  exit (0);

	}

      else if (strcmp ("-v", argv[i]) == 0 ||

	       strcmp ("--version", argv[i]) == 0)

	{

	  print_blurb (stderr, FALSE);

	  argv[i] = NULL;

	  exit (0);

	}

      else if (strcmp (argv[i], "--g-fatal-warnings") == 0)

	{

	  GLogLevelFlags fatal_mask;

	  fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);

	  fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;

	  g_log_set_always_fatal (fatal_mask);

	  argv[i] = NULL;

	}

    }

  e = 0;

  for (i = 1; i < argc; i++)

    {

      if (e)

	{

	  if (argv[i])

	    {

	      argv[e++] = argv[i];

	      argv[i] = NULL;

	    }

	}

      else if (!argv[i])

	e = i;

    }

  if (e)

    *argc_p = e;

}

static void

print_blurb (FILE    *bout,

	     gboolean print_help)

{

  if (!print_help)

    {

      g_fprintf (bout, "%s version ", PRG_NAME);

      g_fprintf (bout, "%s", GDK_PIXBUF_VERSION);

      g_fprintf (bout, "\n");

      g_fprintf (bout, "%s comes with ABSOLUTELY NO WARRANTY.\n", PRG_NAME);

      g_fprintf (bout, "You may redistribute copies of %s under the terms of\n", PRG_NAME);

      g_fprintf (bout, "the GNU Lesser General Public License which can be found in the\n");

      g_fprintf (bout, "%s source package. Sources, examples and contact\n", PKG_NAME);

      g_fprintf (bout, "information are available at %s\n", PKG_HTTP_HOME);

    }

  else

    {

      g_fprintf (bout, "Usage: %s [options] [input-file] [output-file]\n", PRG_NAME);

      g_fprintf (bout, "  -r, --rle                  compress the image data using RLE\n");

      g_fprintf (bout, "  -h, --help                 show this help message\n");

      g_fprintf (bout, "  -v, --version              print version informations\n");

      g_fprintf (bout, "  --g-fatal-warnings         make warnings fatal (abort)\n");

    }

}