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Added support for using RawTherapee as a GIMP plugin for opening RAW files

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plugin code taken from Darktable
This commit is contained in:
Alberto Griggio
2017-05-18 15:59:56 +02:00
parent 3999bf179e
commit 54b66b7736
8 changed files with 876 additions and 13 deletions
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450
tools/gimp-plugin/file-rawtherapee.c Normal file
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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* file-rawtherapee.c -- raw file format plug-in that uses RawTherapee
* Copyright (C) 2012 Simon Budig <simon@gimp.org>
* Copyright (C) 2016 Tobias Ellinghaus <me@houz.org>
* Copyright (C) 2017 Alberto Griggio <alberto.griggio@gmail.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
//#include "config.h"
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <glib/gstdio.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
//#include "libgimp/stdplugins-intl.h"
#include "file-formats.h"
#define LOAD_THUMB_PROC "file-rawtherapee-load-thumb"
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gint32 load_image (const gchar *filename,
GimpRunMode run_mode,
GError **error);
static gint32 load_thumbnail_image (const gchar *filename,
gint thumb_size,
gint *width,
gint *height,
GError **error);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef load_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_STRING, "filename", "The name of the file to load." },
{ GIMP_PDB_STRING, "raw-filename", "The name entered" },
};
static const GimpParamDef load_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Output image" }
};
static const GimpParamDef thumb_args[] =
{
{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
{ GIMP_PDB_INT32, "thumb-size", "Preferred thumbnail size" }
};
static const GimpParamDef thumb_return_vals[] =
{
{ GIMP_PDB_IMAGE, "image", "Thumbnail image" },
{ GIMP_PDB_INT32, "image-width", "Width of full-sized image" },
{ GIMP_PDB_INT32, "image-height", "Height of full-sized image" }
};
/* check if rawtherapee is installed
* TODO: allow setting the location of the executable in preferences
*/
gchar *argv[] = { "rawtherapee", "-v", NULL };
gchar *rawtherapee_stdout = NULL;
gboolean have_rawtherapee = FALSE;
gint i;
if (g_spawn_sync (NULL,
argv,
NULL,
G_SPAWN_STDERR_TO_DEV_NULL |
G_SPAWN_SEARCH_PATH,
NULL,
NULL,
&rawtherapee_stdout,
NULL,
NULL,
NULL))
{
char *rtversion = NULL;
if (sscanf (rawtherapee_stdout,
"RawTherapee, version %ms",
&rtversion) == 1)
{
have_rawtherapee = TRUE;
free(rtversion);
}
g_free (rawtherapee_stdout);
}
if (! have_rawtherapee)
return;
gimp_install_procedure (LOAD_THUMB_PROC,
"Load thumbnail from a raw image via rawtherapee",
"This plug-in loads a thumbnail from a raw image by calling rawtherapee-cli.",
"Alberto Griggio",
"Alberto Griggio",
"2017",
NULL,
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (thumb_args),
G_N_ELEMENTS (thumb_return_vals),
thumb_args, thumb_return_vals);
for (i = 0; i < G_N_ELEMENTS (file_formats); i++)
{
const FileFormat *format = &file_formats[i];
gimp_install_procedure (format->load_proc,
format->load_blurb,
format->load_help,
"Alberto Griggio",
"Alberto Griggio",
"2017",
format->file_type,
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (load_args),
G_N_ELEMENTS (load_return_vals),
load_args, load_return_vals);
gimp_register_file_handler_mime (format->load_proc,
format->mime_type);
// gimp_register_file_handler_raw (format->load_proc);
gimp_register_magic_load_handler (format->load_proc,
format->extensions,
"",
format->magic);
gimp_register_thumbnail_loader (format->load_proc, LOAD_THUMB_PROC);
}
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[6];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
GimpRunMode run_mode;
gint image_ID;
GError *error = NULL;
gint i;
// INIT_I18N ();
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
/* check if the format passed is actually supported & load */
for (i = 0; i < G_N_ELEMENTS (file_formats); i++)
{
const FileFormat *format = &file_formats[i];
if (format->load_proc && ! strcmp (name, format->load_proc))
{
image_ID = load_image (param[1].data.d_string, run_mode, &error);
if (image_ID != -1)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
break;
}
else if (! strcmp (name, LOAD_THUMB_PROC))
{
gint width = 0;
gint height = 0;
image_ID = load_thumbnail_image (param[0].data.d_string,
param[1].data.d_int32,
&width,
&height,
&error);
if (image_ID != -1)
{
*nreturn_vals = 6;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
values[2].type = GIMP_PDB_INT32;
values[2].data.d_int32 = width;
values[3].type = GIMP_PDB_INT32;
values[3].data.d_int32 = height;
values[4].type = GIMP_PDB_INT32;
values[4].data.d_int32 = GIMP_RGB_IMAGE;
values[5].type = GIMP_PDB_INT32;
values[5].data.d_int32 = 1; /* num_layers */
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
break;
}
}
if (i == G_N_ELEMENTS (file_formats))
status = GIMP_PDB_CALLING_ERROR;
if (status != GIMP_PDB_SUCCESS && error)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_STRING;
values[1].data.d_string = error->message;
}
values[0].data.d_status = status;
}
static gint32
load_image (const gchar *filename,
GimpRunMode run_mode,
GError **error)
{
gint32 image_ID = -1;
gchar *filename_out = gimp_temp_name ("tif");
gchar *rawtherapee_stdout = NULL;
/* linear sRGB for now as GIMP uses that internally in many places anyway */
gchar *argv[] =
{
"rawtherapee",
"-gimp",
(gchar *) filename,
filename_out,
NULL
};
gimp_progress_init_printf (_("Opening '%s'"),
gimp_filename_to_utf8 (filename));
if (g_spawn_sync (NULL,
argv,
NULL,
// G_SPAWN_STDOUT_TO_DEV_NULL |
G_SPAWN_STDERR_TO_DEV_NULL |
G_SPAWN_SEARCH_PATH,
NULL,
NULL,
&rawtherapee_stdout,
NULL,
NULL,
error))
{
image_ID = gimp_file_load (run_mode, filename_out, filename_out);
if (image_ID != -1)
gimp_image_set_filename (image_ID, filename);
}
// if (rawtherapee_stdout) printf ("%s\n", rawtherapee_stdout);
g_free(rawtherapee_stdout);
g_unlink (filename_out);
g_free (filename_out);
gimp_progress_update (1.0);
return image_ID;
}
static gint32
load_thumbnail_image (const gchar *filename,
gint thumb_size,
gint *width,
gint *height,
GError **error)
{
gint32 image_ID = -1;
gchar *filename_out = gimp_temp_name ("jpg");
gchar *thumb_pp3 = gimp_temp_name ("pp3");
gchar *size = g_strdup_printf ("%d", thumb_size);
FILE *thumb_pp3_f = fopen(thumb_pp3, "w");
gboolean pp3_ok = FALSE;
gchar *rawtherapee_stdout = NULL;
const char *pp3_content =
"[Version]\n"
"AppVersion=5.0\n"
"Version=326\n"
"\n"
"[Resize]\n"
"Enabled=true\n"
"AppliesTo=Cropped area\n"
"Method=Lanczos\n"
"Width=%d\n"
"Height=%d\n"
"\n"
"[Sharpening]\n"
"Enabled=false\n"
"\n"
"[SharpenEdge]\n"
"Enabled=false\n"
"\n"
"[SharpenMicro]\n"
"Enabled=false\n"
"\n"
"[Defringing]\n"
"Enabled=false\n"
"\n"
"[Directional Pyramid Equalizer]\n"
"Enabled=false\n"
"\n"
"[PostResizeSharpening]\n"
"Enabled=false\n"
"\n"
"[Directional Pyramid Denoising]\n"
"Enabled=false\n"
"\n"
"[Impulse Denoising]\n"
"Enabled=false\n"
"\n"
"[Wavelet]\n"
"Enabled=false\n"
"\n"
"[RAW Bayer]\n"
"Method=fast\n"
"\n"
"[RAW X-Trans]\n"
"Method=fast\n";
gchar *argv[] =
{
"rawtherapee-cli",
"-o", filename_out,
"-d",
"-s",
"-j",
"-p", thumb_pp3,
"-f",
"-c", (char *) filename,
NULL
};
if (thumb_pp3_f) {
if (fprintf(thumb_pp3_f, pp3_content, thumb_size, thumb_size) < 0) {
fclose(thumb_pp3_f);
thumb_pp3_f = NULL;
}
}
gimp_progress_init_printf (_("Opening thumbnail for '%s'"),
gimp_filename_to_utf8 (filename));
*width = *height = thumb_size;
if (thumb_pp3_f &&
g_spawn_sync (NULL,
argv,
NULL,
G_SPAWN_STDERR_TO_DEV_NULL |
G_SPAWN_SEARCH_PATH,
NULL,
NULL,
&rawtherapee_stdout,
NULL,
NULL,
error))
{
gimp_progress_update (0.5);
image_ID = gimp_file_load (GIMP_RUN_NONINTERACTIVE,
filename_out,
filename_out);
if (image_ID != -1)
{
/* /\* 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 (rawtherapee_stdout, */
/* -1, */
/* "[dt4gimp]"); */
/* if (start_of_size) */
/* sscanf (start_of_size, "[dt4gimp] %d %d", width, height); */
/* is this needed for thumbnails? */
gimp_image_set_filename (image_ID, filename);
}
}
gimp_progress_update (1.0);
if (thumb_pp3_f) {
fclose(thumb_pp3_f);
}
g_unlink (thumb_pp3);
g_free (filename_out);
g_free (thumb_pp3);
g_free (rawtherapee_stdout);
return image_ID;
}