copy.c

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/*
    This file is part of darktable,
    Copyright (C) 2010-2011, 2014-2020 Tobias Ellinghaus.
    Copyright (C) 2011-2012 Henrik Andersson.
    Copyright (C) 2011 johannes hanika.
    Copyright (C) 2012 Richard Wonka.
    Copyright (C) 2013 Jérémy Rosen.
    Copyright (C) 2013-2014, 2020-2021 Pascal Obry.
    Copyright (C) 2014-2016 Roman Lebedev.
    Copyright (C) 2014 Ulrich Pegelow.
    Copyright (C) 2019, 2025 Aurélien PIERRE.
    Copyright (C) 2020 Ralf Brown.
    Copyright (C) 2021 Diederik Ter Rahe.
    Copyright (C) 2022 Martin Bařinka.
    Copyright (C) 2023 Ricky Moon.
    
    darktable 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
    (at your option) any later version.
    
    darktable 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 darktable.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "common/darktable.h"
#include "common/debug.h"
#include "common/exif.h"
#include "common/image_cache.h"
#include "common/imageio_module.h"
#include "common/utility.h"
#include "imageio/format/imageio_format_api.h"
#include "gui/gtk.h"
#include <glib/gstdio.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
 
DT_MODULE(1)
 
// FIXME: we can't rely on darktable to avoid file overwriting -- it doesn't know the filename (extension).
int write_image(dt_imageio_module_data_t *data, const char *filename, const void *in,
                dt_colorspaces_color_profile_type_t over_type, const char *over_filename,
                void *exif, int exif_len, int32_t imgid, int num, int total, struct dt_dev_pixelpipe_t *pipe,
                const gboolean export_masks)
{
  int status = 1;
  gboolean from_cache = TRUE;
  char sourcefile[PATH_MAX];
  char *targetfile = NULL;
  char *xmpfile = NULL;
 
  dt_image_full_path(imgid,  sourcefile,  sizeof(sourcefile),  &from_cache, __FUNCTION__);
 
  char *extension = g_strrstr(sourcefile, ".");
  if(IS_NULL_PTR(extension)) goto END;
  targetfile = g_strconcat(filename, ++extension, NULL);
 
  if(!strcmp(sourcefile, targetfile)) goto END;
 
  dt_copy_file(sourcefile, targetfile);
 
  // we got a copy of the file, now write the xmp data
  xmpfile = g_strconcat(targetfile, ".xmp", NULL);
  dt_image_t *img = dt_image_cache_get(darktable.image_cache, imgid, 'w');
  if(IS_NULL_PTR(img) || dt_exif_xmp_write_with_imgpath(img, xmpfile, sourcefile) != 0)
  {
    if(img) dt_image_cache_write_release(darktable.image_cache, img, DT_IMAGE_CACHE_MINIMAL);
    // something went wrong, unlink the copied image.
    g_unlink(targetfile);
    goto END;
  }
  dt_image_cache_write_release(darktable.image_cache, img, DT_IMAGE_CACHE_MINIMAL);
 
  status = 0;
END:
  dt_free(targetfile);
  dt_free(xmpfile);
  return status;
}
 
size_t params_size(dt_imageio_module_format_t *self)
{
  return sizeof(dt_imageio_module_data_t);
}
 
void *get_params(dt_imageio_module_format_t *self)
{
  dt_imageio_module_data_t *d = (dt_imageio_module_data_t *)calloc(1, sizeof(dt_imageio_module_data_t));
  return d;
}
 
void free_params(dt_imageio_module_format_t *self, dt_imageio_module_data_t *params)
{
  dt_free(params);
}
 
int set_params(dt_imageio_module_format_t *self, const void *params, const int size)
{
  if(size != self->params_size(self)) return 1;
  return 0;
}
 
int bpp(dt_imageio_module_data_t *p)
{
  return 0;
}
 
const char *mime(dt_imageio_module_data_t *data)
{
  return "x-copy";
}
 
const char *extension(dt_imageio_module_data_t *data)
{
  return "";
}
 
const char *name()
{
  return _("copy");
}
 
void init(dt_imageio_module_format_t *self)
{
}
void cleanup(dt_imageio_module_format_t *self)
{
}
 
void gui_init(dt_imageio_module_format_t *self)
{
  self->widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, DT_GUI_BOX_SPACING);
 
  gtk_container_add(GTK_CONTAINER(self->widget),
    dt_ui_label_new(_("do a 1:1 copy of the selected files.\nthe global options below do not apply!")));
}
void gui_cleanup(dt_imageio_module_format_t *self)
{
}
void gui_reset(dt_imageio_module_format_t *self)
{
}
 
// clang-format off
// modelines: These editor modelines have been set for all relevant files by tools/update_modelines.py
// vim: shiftwidth=2 expandtab tabstop=2 cindent
// kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-spaces modified;
// clang-format on