560 lines
19 KiB
C
560 lines
19 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* file-darktable.c -- raw file format plug-in that uses darktable
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* Copyright (C) 2012 Simon Budig <simon@gimp.org>
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* Copyright (C) 2016 Tobias Ellinghaus <me@houz.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <glib/gstdio.h>
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#include <libpika/pika.h>
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#include "libpika/stdplugins-intl.h"
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#include "file-raw-formats.h"
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#include "file-raw-utils.h"
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#define LOAD_THUMB_PROC "file-darktable-load-thumb"
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#define REGISTRY_KEY_BASE "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\darktable"
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typedef struct _Darktable Darktable;
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typedef struct _DarktableClass DarktableClass;
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struct _Darktable
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{
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PikaPlugIn parent_instance;
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};
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struct _DarktableClass
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{
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PikaPlugInClass parent_class;
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};
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#define DARKTABLE_TYPE (darktable_get_type ())
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#define DARKTABLE (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), DARKTABLE_TYPE, Darktable))
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GType darktable_get_type (void) G_GNUC_CONST;
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static GList * darktable_init_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * darktable_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * darktable_load (PikaProcedure *procedure,
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PikaRunMode run_mode,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data);
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static PikaValueArray * darktable_load_thumb (PikaProcedure *procedure,
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GFile *file,
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gint size,
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const PikaValueArray *args,
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gpointer run_data);
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static PikaImage * load_image (GFile *file,
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PikaRunMode run_mode,
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GError **error);
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static PikaImage * load_thumbnail_image (GFile *file,
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gint thumb_size,
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gint *width,
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gint *height,
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GError **error);
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G_DEFINE_TYPE (Darktable, darktable, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (DARKTABLE_TYPE)
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DEFINE_STD_SET_I18N
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static void
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darktable_class_init (DarktableClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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plug_in_class->init_procedures = darktable_init_procedures;
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plug_in_class->create_procedure = darktable_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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darktable_init (Darktable *darktable)
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{
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}
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static GList *
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darktable_init_procedures (PikaPlugIn *plug_in)
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{
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/* check if darktable is installed
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*/
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gboolean search_path = FALSE;
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gchar *exec_path = file_raw_get_executable_path ("darktable", NULL,
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"DARKTABLE_EXECUTABLE",
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"org.darktable",
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REGISTRY_KEY_BASE,
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&search_path);
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gchar *argv[] = { exec_path, "--version", NULL };
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gchar *darktable_stdout = NULL;
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gchar *darktable_stderr = NULL;
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gboolean have_darktable = FALSE;
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GError *error = NULL;
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gint i;
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/* allow the user to have some insight into why darktable may fail. */
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gboolean debug_prints = g_getenv ("DARKTABLE_DEBUG") != NULL;
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if (debug_prints)
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g_printf ("[%s] trying to call '%s'\n", __FILE__, exec_path);
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if (g_spawn_sync (NULL,
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argv,
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NULL,
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(search_path ? G_SPAWN_SEARCH_PATH : 0),
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NULL,
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NULL,
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&darktable_stdout,
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&darktable_stderr,
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NULL,
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&error))
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{
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GRegex *regex;
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GMatchInfo *matches;
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gint major;
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gint minor;
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/* A default darktable would apparently output something like
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* "this is darktable 2.2.5", but this version string is
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* customizable. In the official Fedora package for instance, I
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* encountered a "this is darktable darktable-2.2.5-4.fc27".
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* Therefore make the version recognition a bit more flexible.
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*/
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regex = g_regex_new ("this is darktable [^0-9]*([0-9]+)\\.([0-9]+)\\.([0-9]+)",
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0, 0, NULL);
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if (g_regex_match (regex, darktable_stdout, 0, &matches))
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{
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gchar *match;
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match = g_match_info_fetch (matches, 1);
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major = g_ascii_strtoll (match, NULL, 10);
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g_free (match);
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match = g_match_info_fetch (matches, 2);
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minor = g_ascii_strtoll (match, NULL, 10);
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g_free (match);
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if (((major == 1 && minor >= 7) || major >= 2))
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{
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if (g_strstr_len (darktable_stdout, -1,
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"Lua support enabled"))
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{
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have_darktable = TRUE;
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}
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}
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}
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g_match_info_free (matches);
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g_regex_unref (regex);
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}
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else if (debug_prints)
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{
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g_printf ("[%s] g_spawn_sync failed\n", __FILE__);
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}
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if (debug_prints)
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{
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if (error)
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g_printf ("[%s] error: %s\n", __FILE__, error->message);
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if (darktable_stdout && *darktable_stdout)
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g_printf ("[%s] stdout:\n%s\n", __FILE__, darktable_stdout);
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if (darktable_stderr && *darktable_stderr)
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g_printf ("[%s] stderr:\n%s\n", __FILE__, darktable_stderr);
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g_printf ("[%s] have_darktable: %d\n", __FILE__, have_darktable);
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}
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g_clear_error (&error);
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g_free (darktable_stdout);
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g_free (darktable_stderr);
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g_free (exec_path);
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if (have_darktable)
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{
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GList *list = NULL;
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list = g_list_append (list, g_strdup (LOAD_THUMB_PROC));
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for (i = 0; i < G_N_ELEMENTS (file_formats); i++)
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{
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const FileFormat *format = &file_formats[i];
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gchar *load_proc;
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load_proc = g_strdup_printf (format->load_proc_format, "darktable");
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list = g_list_append (list, load_proc);
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}
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return list;
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}
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return NULL;
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}
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static PikaProcedure *
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darktable_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, LOAD_THUMB_PROC))
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{
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procedure = pika_thumbnail_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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darktable_load_thumb, NULL, NULL);
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pika_procedure_set_documentation (procedure,
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"Load thumbnail from a raw image "
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"via darktable",
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"This plug-in loads a thumbnail "
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"from a raw image by calling "
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"darktable-cli.",
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name);
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pika_procedure_set_attribution (procedure,
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"Tobias Ellinghaus",
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"Tobias Ellinghaus",
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"2016");
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}
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else
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{
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gint i;
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for (i = 0; i < G_N_ELEMENTS (file_formats); i++)
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{
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const FileFormat *format = &file_formats[i];
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gchar *load_proc;
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gchar *load_blurb;
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gchar *load_help;
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load_proc = g_strdup_printf (format->load_proc_format, "darktable");
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if (strcmp (name, load_proc))
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{
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g_free (load_proc);
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continue;
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}
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load_blurb = g_strdup_printf (format->load_blurb_format, "darktable");
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load_help = g_strdup_printf (format->load_help_format, "darktable");
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procedure = pika_load_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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darktable_load,
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(gpointer) format, NULL);
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pika_procedure_set_documentation (procedure,
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load_blurb, load_help, name);
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pika_procedure_set_attribution (procedure,
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"Tobias Ellinghaus",
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"Tobias Ellinghaus",
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"2016");
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pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
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format->mime_type);
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pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
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format->extensions);
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pika_file_procedure_set_magics (PIKA_FILE_PROCEDURE (procedure),
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format->magic);
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pika_load_procedure_set_handles_raw (PIKA_LOAD_PROCEDURE (procedure),
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TRUE);
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pika_load_procedure_set_thumbnail_loader (PIKA_LOAD_PROCEDURE (procedure),
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LOAD_THUMB_PROC);
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g_free (load_proc);
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g_free (load_blurb);
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g_free (load_help);
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break;
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}
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}
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return procedure;
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}
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static PikaValueArray *
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darktable_load (PikaProcedure *procedure,
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PikaRunMode run_mode,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaValueArray *return_vals;
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PikaImage *image;
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GError *error = NULL;
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image = load_image (file, run_mode, &error);
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if (! image)
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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error);
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return_vals = pika_procedure_new_return_values (procedure,
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PIKA_PDB_SUCCESS,
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NULL);
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PIKA_VALUES_SET_IMAGE (return_vals, 1, image);
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return return_vals;
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}
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static PikaValueArray *
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darktable_load_thumb (PikaProcedure *procedure,
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GFile *file,
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gint size,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaValueArray *return_vals;
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gint width;
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gint height;
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PikaImage *image = NULL;
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GError *error = NULL;
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width = size;
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height = size;
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image = load_thumbnail_image (file, width, &width, &height, &error);
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if (! image)
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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error);
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return_vals = pika_procedure_new_return_values (procedure,
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PIKA_PDB_SUCCESS,
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NULL);
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PIKA_VALUES_SET_IMAGE (return_vals, 1, image);
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PIKA_VALUES_SET_INT (return_vals, 2, width);
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PIKA_VALUES_SET_INT (return_vals, 3, height);
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PIKA_VALUES_SET_ENUM (return_vals, 4, PIKA_RGB_IMAGE);
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PIKA_VALUES_SET_INT (return_vals, 5, 1);
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pika_value_array_truncate (return_vals, 6);
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return return_vals;
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}
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static PikaImage *
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load_image (GFile *file,
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PikaRunMode run_mode,
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GError **error)
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{
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PikaImage *image = NULL;
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GFile *lua_file = pika_data_directory_file ("file-raw",
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"file-darktable-export-on-exit.lua",
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NULL);
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gchar *lua_script_escaped = g_strescape (g_file_peek_path (lua_file), "");
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gchar *lua_quoted = g_shell_quote (lua_script_escaped);
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|
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gchar *lua_cmd = g_strdup_printf ("dofile(%s)", lua_quoted);
|
||
|
|
GFile *file_out = pika_temp_file ("exr");
|
||
|
|
gchar *export_filename = g_strdup_printf ("lua/export_on_exit/export_filename=%s",
|
||
|
|
g_file_peek_path (file_out));
|
||
|
|
|
||
|
|
gchar *darktable_stdout = NULL;
|
||
|
|
gchar *darktable_stderr = NULL;
|
||
|
|
|
||
|
|
/* allow the user to have some insight into why darktable may fail. */
|
||
|
|
gboolean debug_prints = g_getenv ("DARKTABLE_DEBUG") != NULL;
|
||
|
|
|
||
|
|
/* linear sRGB for now as PIKA uses that internally in many places anyway */
|
||
|
|
gboolean search_path = FALSE;
|
||
|
|
gchar *exec_path = file_raw_get_executable_path ("darktable", NULL,
|
||
|
|
"DARKTABLE_EXECUTABLE",
|
||
|
|
"org.darktable",
|
||
|
|
REGISTRY_KEY_BASE,
|
||
|
|
&search_path);
|
||
|
|
gchar *argv[] =
|
||
|
|
{
|
||
|
|
exec_path,
|
||
|
|
"--library", ":memory:",
|
||
|
|
"--luacmd", lua_cmd,
|
||
|
|
"--conf", "plugins/lighttable/export/icctype=3",
|
||
|
|
"--conf", export_filename,
|
||
|
|
(gchar *) g_file_peek_path (file),
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
g_object_unref (lua_file);
|
||
|
|
g_free (lua_script_escaped);
|
||
|
|
g_free (lua_quoted);
|
||
|
|
|
||
|
|
pika_progress_init_printf (_("Opening '%s'"),
|
||
|
|
pika_file_get_utf8_name (file));
|
||
|
|
|
||
|
|
if (debug_prints)
|
||
|
|
{
|
||
|
|
gchar **environ_ = g_get_environ ();
|
||
|
|
gint i;
|
||
|
|
|
||
|
|
g_printf ("[%s] trying to call\n", __FILE__);
|
||
|
|
for (gchar **iter = argv; *iter; iter++)
|
||
|
|
g_printf (" %s\n", *iter);
|
||
|
|
g_printf ("\n");
|
||
|
|
|
||
|
|
g_printf ("## Environment ##\n");
|
||
|
|
for (i = 0; environ_[i]; i++)
|
||
|
|
g_printf ("- %s\n", environ_[i]);
|
||
|
|
g_strfreev (environ_) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (g_spawn_sync (NULL,
|
||
|
|
argv,
|
||
|
|
NULL,
|
||
|
|
/*G_SPAWN_STDOUT_TO_DEV_NULL |*/
|
||
|
|
/*G_SPAWN_STDERR_TO_DEV_NULL |*/
|
||
|
|
(search_path ? G_SPAWN_SEARCH_PATH : 0),
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
&darktable_stdout,
|
||
|
|
&darktable_stderr,
|
||
|
|
NULL,
|
||
|
|
error))
|
||
|
|
{
|
||
|
|
image = pika_file_load (run_mode, file_out);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (debug_prints)
|
||
|
|
{
|
||
|
|
if (darktable_stdout && *darktable_stdout)
|
||
|
|
g_printf ("\n## stdout ##\n%s\n", darktable_stdout);
|
||
|
|
|
||
|
|
if (darktable_stderr && *darktable_stderr)
|
||
|
|
g_printf ("\n## stderr ##\n%s\n", darktable_stderr);
|
||
|
|
}
|
||
|
|
|
||
|
|
g_free (darktable_stdout);
|
||
|
|
g_free (darktable_stderr);
|
||
|
|
|
||
|
|
g_file_delete (file_out, NULL, NULL);
|
||
|
|
g_free (lua_cmd);
|
||
|
|
g_free (export_filename);
|
||
|
|
g_free (exec_path);
|
||
|
|
|
||
|
|
pika_progress_update (1.0);
|
||
|
|
|
||
|
|
return image;
|
||
|
|
}
|
||
|
|
|
||
|
|
static PikaImage *
|
||
|
|
load_thumbnail_image (GFile *file,
|
||
|
|
gint thumb_size,
|
||
|
|
gint *width,
|
||
|
|
gint *height,
|
||
|
|
GError **error)
|
||
|
|
{
|
||
|
|
PikaImage *image = NULL;
|
||
|
|
|
||
|
|
GFile *file_out = pika_temp_file ("jpg");
|
||
|
|
gchar *size = g_strdup_printf ("%d", thumb_size);
|
||
|
|
GFile *lua_file = pika_data_directory_file ("file-raw",
|
||
|
|
"file-darktable-get-size.lua",
|
||
|
|
NULL);
|
||
|
|
gchar *lua_script_escaped = g_strescape (g_file_peek_path (lua_file), "");
|
||
|
|
gchar *lua_quoted = g_shell_quote (lua_script_escaped);
|
||
|
|
gchar *lua_cmd = g_strdup_printf ("dofile(%s)", lua_quoted);
|
||
|
|
gchar *darktable_stdout = NULL;
|
||
|
|
|
||
|
|
gboolean search_path = FALSE;
|
||
|
|
gchar *exec_path = file_raw_get_executable_path ("darktable", "-cli",
|
||
|
|
"DARKTABLE_EXECUTABLE",
|
||
|
|
"org.darktable",
|
||
|
|
REGISTRY_KEY_BASE,
|
||
|
|
&search_path);
|
||
|
|
gchar *argv[] =
|
||
|
|
{
|
||
|
|
exec_path,
|
||
|
|
(gchar *) g_file_peek_path (file),
|
||
|
|
(gchar *) g_file_peek_path (file_out),
|
||
|
|
"--width", size,
|
||
|
|
"--height", size,
|
||
|
|
"--hq", "false",
|
||
|
|
"--core",
|
||
|
|
"--conf", "plugins/lighttable/export/icctype=3",
|
||
|
|
"--luacmd", lua_cmd,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
g_object_unref (lua_file);
|
||
|
|
g_free (lua_script_escaped);
|
||
|
|
g_free (lua_quoted);
|
||
|
|
|
||
|
|
pika_progress_init_printf (_("Opening thumbnail for '%s'"),
|
||
|
|
pika_file_get_utf8_name (file));
|
||
|
|
|
||
|
|
*width = *height = thumb_size;
|
||
|
|
|
||
|
|
if (g_spawn_sync (NULL,
|
||
|
|
argv,
|
||
|
|
NULL,
|
||
|
|
G_SPAWN_STDERR_TO_DEV_NULL |
|
||
|
|
(search_path ? G_SPAWN_SEARCH_PATH : 0),
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
&darktable_stdout,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
error))
|
||
|
|
{
|
||
|
|
pika_progress_update (0.5);
|
||
|
|
|
||
|
|
image = pika_file_load (PIKA_RUN_NONINTERACTIVE, file_out);
|
||
|
|
if (image)
|
||
|
|
{
|
||
|
|
/* the size reported by raw files isn't precise,
|
||
|
|
* but it should be close enough to get an idea.
|
||
|
|
*/
|
||
|
|
gchar *start_of_size = g_strstr_len (darktable_stdout,
|
||
|
|
-1,
|
||
|
|
"[dt4pika]");
|
||
|
|
if (start_of_size)
|
||
|
|
sscanf (start_of_size, "[dt4pika] %d %d", width, height);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pika_progress_update (1.0);
|
||
|
|
|
||
|
|
g_file_delete (file_out, NULL, NULL);
|
||
|
|
g_free (size);
|
||
|
|
g_free (lua_cmd);
|
||
|
|
g_free (darktable_stdout);
|
||
|
|
g_free (exec_path);
|
||
|
|
|
||
|
|
return image;
|
||
|
|
}
|
