/* load analyze from a file

 *

 * 5/12/11

 *  - from openslideload.c

 */

/*

  This file is part of VIPS.

  VIPS 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 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 Lesser General Public License for more details.

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

  along with this program; if not, write to the Free Software

  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

  02110-1301  USA

 */

/*

  These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk

 */

/*

#define DEBUG

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif /*HAVE_CONFIG_H*/

#include <glib/gi18n-lib.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <vips/vips.h>

#include <vips/buf.h>

#include <vips/internal.h>

#ifdef HAVE_ANALYZE

#include "pforeign.h"

typedef struct _VipsForeignLoadAnalyze {

  VipsForeignLoad parent_object;

  /* Filename for load.

   */

  char *filename;

} VipsForeignLoadAnalyze;

typedef VipsForeignLoadClass VipsForeignLoadAnalyzeClass;

G_DEFINE_TYPE(VipsForeignLoadAnalyze, vips_foreign_load_analyze,

  VIPS_TYPE_FOREIGN_LOAD);

static VipsForeignFlags

vips_foreign_load_analyze_get_flags_filename(const char *filename)

{

  return VIPS_FOREIGN_PARTIAL;

}

static VipsForeignFlags

vips_foreign_load_analyze_get_flags(VipsForeignLoad *load)

{

  return VIPS_FOREIGN_PARTIAL;

}

static int

vips_foreign_load_analyze_header(VipsForeignLoad *load)

{

  VipsForeignLoadAnalyze *analyze = (VipsForeignLoadAnalyze *) load;

  if (vips__analyze_read_header(analyze->filename, load->out))

    return -1;

  VIPS_SETSTR(load->out->filename, analyze->filename);

  return 0;

}

static int

vips_foreign_load_analyze_load(VipsForeignLoad *load)

{

  VipsForeignLoadAnalyze *analyze = (VipsForeignLoadAnalyze *) load;

  if (vips__analyze_read(analyze->filename, load->real))

    return -1;

  return 0;

}

static const char *vips_foreign_analyze_suffs[] = { ".img", ".hdr", NULL };

static void

vips_foreign_load_analyze_class_init(VipsForeignLoadAnalyzeClass *class)

{

  GObjectClass *gobject_class = G_OBJECT_CLASS(class);

  VipsObjectClass *object_class = (VipsObjectClass *) class;

  VipsOperationClass *operation_class = VIPS_OPERATION_CLASS(class);

  VipsForeignClass *foreign_class = (VipsForeignClass *) class;

  VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;

  gobject_class->set_property = vips_object_set_property;

  gobject_class->get_property = vips_object_get_property;

  object_class->nickname = "analyzeload";

  object_class->description = _("load an Analyze6 image");

  /* This is fuzzed, but you're unlikely to want to use it on

   * untrusted files.

   */

  operation_class->flags |= VIPS_OPERATION_UNTRUSTED;

  foreign_class->suffs = vips_foreign_analyze_suffs;

  /* is_a() is not that quick ... lower the priority.

   */

  foreign_class->priority = -50;

  load_class->is_a = vips__isanalyze;

  load_class->get_flags_filename =

    vips_foreign_load_analyze_get_flags_filename;

  load_class->get_flags = vips_foreign_load_analyze_get_flags;

  load_class->header = vips_foreign_load_analyze_header;

  load_class->load = vips_foreign_load_analyze_load;

  VIPS_ARG_STRING(class, "filename", 1,

    _("Filename"),

    _("Filename to load from"),

    VIPS_ARGUMENT_REQUIRED_INPUT,

    G_STRUCT_OFFSET(VipsForeignLoadAnalyze, filename),

    NULL);

}

static void

vips_foreign_load_analyze_init(VipsForeignLoadAnalyze *analyze)

{

}

#endif /*HAVE_ANALYZE*/

/**

 * vips_analyzeload:

 * @filename: file to load

 * @out: (out): decompressed image

 * @...: %NULL-terminated list of optional named arguments

 *

 * Load an Analyze 6.0 file. If @filename is "fred.img", this will look for

 * an image header called "fred.hdr" and pixel data in "fred.img". You can

 * also load "fred" or "fred.hdr".

 *

 * Images are

 * loaded lazilly and byte-swapped, if necessary. The Analyze metadata is read

 * and attached.

 *

 * See also: vips_image_new_from_file().

 *

 * Returns: 0 on success, -1 on error.

 */

int

vips_analyzeload(const char *filename, VipsImage **out, ...)

{

  va_list ap;

  int result;

  va_start(ap, out);

  result = vips_call_split("analyzeload", ap, filename, out);

  va_end(ap);

  return result;

}