gimp/app/file/file-save.c

/* The GIMP -- an image manipulation program
 * Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis
 * Copyright (C) 1997 Josh MacDonald
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "config.h"

#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include <glib-object.h>

#include "core/core-types.h"

#include "core/gimp.h"
#include "core/gimpcoreconfig.h"
#include "core/gimpdocuments.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"

#include "file-save.h"
#include "file-utils.h"

#include "plug_in.h"
#include "undo.h"

#include "libgimp/gimpintl.h"


/*  public functions  */

GimpPDBStatusType
file_save (GimpImage     *gimage,
	   const gchar   *filename,
	   const gchar   *raw_filename,
           PlugInProcDef *file_proc,
           RunModeType    run_mode,
	   gboolean       set_filename)
{
  ProcRecord        *proc;
  Argument          *args;
  Argument          *return_vals;
  GimpPDBStatusType  status;
  gint               i;
  struct stat        statbuf;

  g_return_val_if_fail (GIMP_IS_IMAGE (gimage), GIMP_PDB_CALLING_ERROR);

  if (gimp_image_active_drawable (gimage) == NULL)
    return GIMP_PDB_EXECUTION_ERROR;

  /*  set the image's save_proc if we got passed one, otherwise
   *  try to find a matching file_proc
   */
  if (file_proc)
    {
      gimp_image_set_save_proc (gimage, file_proc);
    }
  else
    {
      file_proc = gimp_image_get_save_proc (gimage);

      if (! file_proc)
        file_proc = file_proc_find (gimage->gimp->save_procs, raw_filename);

      if (! file_proc)
        {
          g_message (_("Save failed.\n"
                       "%s: Unknown file type."),
                     filename);

          return GIMP_PDB_CANCEL;  /* inhibits error messages by caller */
        }
    }

  /* check if we are saving to a file */
  if (stat (filename, &statbuf) == 0)
    {
      if (! (statbuf.st_mode & S_IFREG))
        {
	  g_message (_("Save failed.\n"
		       "%s is not a regular file."),
		     filename);

          return GIMP_PDB_CANCEL;  /* inhibits error messages by caller */
        }

      if (access (filename, W_OK) != 0)
        {
	  g_message (_("Save failed.\n"
		       "%s: %s."),
		     filename,
                     g_strerror (errno));

          return GIMP_PDB_CANCEL;  /* inhibits error messages by caller */
        }
    }

  /* ref the image, so it can't get deleted during save */
  g_object_ref (G_OBJECT (gimage));

  proc = &file_proc->db_info;

  args = g_new0 (Argument, proc->num_args);

  for (i = 0; i < proc->num_args; i++)
    args[i].arg_type = proc->args[i].arg_type;

  args[0].value.pdb_int     = run_mode;
  args[1].value.pdb_int     = gimp_image_get_ID (gimage);
  args[2].value.pdb_int     = gimp_drawable_get_ID (gimp_image_active_drawable (gimage));
  args[3].value.pdb_pointer = (gpointer) filename;
  args[4].value.pdb_pointer = (gpointer) raw_filename;

  return_vals = procedural_db_execute (gimage->gimp, proc->name, args);

  status = return_vals[0].value.pdb_int;

  if (status == GIMP_PDB_SUCCESS)
    {
      /*  set this image to clean  */
      gimp_image_clean_all (gimage);

      gimp_documents_add (gimage->gimp, filename);

      /*  use the same plug-in for this image next time  */
      /* DISABLED - gets stuck on first saved format... needs
	 attention --Adam */
      /* gimage_set_save_proc(gimage, file_proc); */

      /* Write a thumbnail for the saved image, where appropriate */
      switch (gimage->gimp->config->thumbnail_mode)
	{
	case 0:
	  break;
	default:
	  {
	    TempBuf *tempbuf;

	    tempbuf = make_thumb_tempbuf (gimage);
	    file_save_thumbnail (gimage, filename, tempbuf);
	  }
	}

      if (set_filename)
	{
	  /*  set the image title  */
	  gimp_object_set_name (GIMP_OBJECT (gimage), filename);
	}
    }

  g_free (return_vals);
  g_free (args);

  g_object_unref (G_OBJECT (gimage));

  return status;
}