modules.h

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/*
    This file is part of darktable,
    Copyright (C) 2013-2020 darktable developers.
 
    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/>.
*/
 
#pragma once
 
#include <common/imageio_module.h>
#include <lua/lua.h>
 
 
#define dt_lua_register_module_member(L, storage, struct_type, member, member_type)                          \
  luaA_struct_member_type(L, storage->parameter_lua_type, #member, luaA_type(L, member_type),                \
                          offsetof(struct_type, member))
 
#define dt_lua_register_module_member_indirect(L, storage, struct_type, struct_member, child_type,child_member, member_type)        \
  luaA_struct_member_type(L, storage->parameter_lua_type, #child_member, luaA_type(L, member_type),                \
                          offsetof(struct_type, struct_member)+offsetof( child_type, child_member))
 
// define a new module type
void dt_lua_module_new(lua_State *L, const char *module_type_name);
// get the singleton object that represent this module type
void dt_lua_module_push(lua_State *L, const char *module_type_name);
 
 
void dt_lua_module_entry_new(lua_State *L, int index, const char *module_type_name, const char *entry_name);
void dt_lua_module_entry_new_singleton(lua_State *L, const char *module_type_name, const char *entry_name,
                                       void *entry);
void dt_lua_module_entry_push(lua_State *L, const char *module_type_name, const char *entry_name);
luaA_Type dt_lua_module_entry_get_type(lua_State *L, const char *module_type_name, const char *entry_name);
 
#define dt_lua_register_module_presets(L, module, entry, type)                                               \
  dt_lua_register_module_presets_type(L, module, entry, luaA_type_id(type))
void dt_lua_register_module_presets_type(lua_State *L, const char *module_type_name, const char *entry_name,
                                         luaA_Type preset_type);
luaA_Type dt_lua_module_get_preset_type(lua_State *L, const char *module_type_name, const char *entry_name);
void dt_lua_register_current_preset(lua_State *L, const char *module_type_name, const char *entry_name,
                                    lua_CFunction pusher, lua_CFunction getter);
 
 
int dt_lua_init_early_modules(lua_State *L);
 
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