iop_order.h

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/*
    This file is part of darktable,
    Copyright (C) 2018-2019 Edgardo Hoszowski.
    Copyright (C) 2019, 2021, 2025 Aurélien PIERRE.
    Copyright (C) 2019 Hanno Schwalm.
    Copyright (C) 2019 luzpaz.
    Copyright (C) 2019 Marcus Rückert.
    Copyright (C) 2019-2020 Pascal Obry.
    Copyright (C) 2020 Philippe Weyland.
    Copyright (C) 2022 Martin Bařinka.
    Copyright (C) 2025 Alynx Zhou.
    
    darktable 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 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 Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public License
    along with darktable.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DT_IOP_ORDER_H
#define DT_IOP_ORDER_H
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct dt_iop_module_t;
struct dt_develop_t;
struct dt_dev_pixelpipe_t;
 
typedef enum dt_iop_order_t
{
  DT_IOP_ORDER_CUSTOM  = 0, // a customr order (re-ordering the pipe)
  DT_IOP_ORDER_LEGACY  = 1, // up to dt 2.6.3
  DT_IOP_ORDER_V30     = 2, // starts with dt 3.0
  DT_IOP_ORDER_V30_JPG = 3, // same as previous but tuned for non-linear input
  DT_IOP_ORDER_LAST    = 4
} dt_iop_order_t;
 
typedef struct dt_iop_order_entry_t
{
  union {
    double iop_order_f;  // only used for backward compatibility while migrating db
    int iop_order;       // order from 1 and incrementing
  } o;
  // operation + instance is the unique id for an active module in the pipe
  char operation[20];
  int32_t instance;      // or previously named multi_priority
  char name[25];
} dt_iop_order_entry_t;
 
typedef struct dt_iop_order_rule_t
{
  char op_prev[20];
  char op_next[20];
} dt_iop_order_rule_t;
 
const char *dt_iop_order_string(const dt_iop_order_t order);
 
dt_iop_order_t dt_ioppr_get_iop_order_version(const int32_t imgid);
 
dt_iop_order_t dt_ioppr_get_iop_order_list_kind(GList *iop_order_list);
 
gboolean dt_ioppr_has_iop_order_list(int32_t imgid);
 
GList *dt_ioppr_get_iop_order_list(int32_t imgid, gboolean sorted);
GList *dt_ioppr_get_iop_order_list_version(dt_iop_order_t version);
GList *dt_ioppr_get_iop_order_link(GList *iop_order_list, const char *op_name, const int multi_priority);
gboolean dt_ioppr_has_multiple_instances(GList *iop_order_list);
 
int dt_ioppr_get_iop_order(GList *iop_order_list, const char *op_name, const int multi_priority);
 
gboolean dt_ioppr_write_iop_order_list(GList *iop_order_list, const int32_t imgid);
 
void *dt_ioppr_serialize_iop_order_list(GList *iop_order_list, size_t *size);
GList *dt_ioppr_deserialize_iop_order_list(const char *buf, size_t size);
char *dt_ioppr_serialize_text_iop_order_list(GList *iop_order_list);
GList *dt_ioppr_deserialize_text_iop_order_list(const char *buf);
 
void dt_ioppr_insert_module_instance(struct dt_develop_t *dev, struct dt_iop_module_t *module);
void dt_ioppr_resync_modules_order(struct dt_develop_t *dev);
void dt_ioppr_resync_pipeline(struct dt_develop_t *dev, const int32_t imgid, const char *msg, gboolean check_duplicates);
 
void dt_ioppr_rebuild_iop_order_from_modules(struct dt_develop_t *dev, GList *ordered_modules);
 
void dt_ioppr_update_for_style_items(struct dt_develop_t *dev, GList *st_items, gboolean append);
void dt_ioppr_update_for_modules(struct dt_develop_t *dev, GList *modules, gboolean append);
 
void dt_ioppr_set_default_iop_order(struct dt_develop_t *dev, const int32_t imgid);
void dt_ioppr_change_iop_order(struct dt_develop_t *dev, const int32_t imgid, GList *new_iop_list);
 
int dt_ioppr_check_so_iop_order(GList *iop_list, GList *iop_order_list);
 
GList *dt_ioppr_get_iop_order_rules();
 
GList *dt_ioppr_iop_order_copy_deep(GList *iop_order_list);
 
gint dt_sort_iop_by_order(gconstpointer a, gconstpointer b);
gint dt_sort_iop_list_by_order_f(gconstpointer a, gconstpointer b);
 
gboolean dt_ioppr_check_can_move_before_iop(GList *iop_list, struct dt_iop_module_t *module, struct dt_iop_module_t *module_next);
gboolean dt_ioppr_check_can_move_after_iop(GList *iop_list, struct dt_iop_module_t *module, struct dt_iop_module_t *module_prev);
 
gboolean dt_ioppr_move_iop_before(struct dt_develop_t *dev, struct dt_iop_module_t *module, struct dt_iop_module_t *module_next);
gboolean dt_ioppr_move_iop_after(struct dt_develop_t *dev, struct dt_iop_module_t *module, struct dt_iop_module_t *module_prev);
 
int dt_ioppr_check_iop_order(struct dt_develop_t *dev, const int32_t imgid, const char *msg);
 
#ifdef __cplusplus
}
#endif
 
#endif
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