LuatOS/components/lvgl/binding/luat_lib_lvgl_style.c

/*
@module  lvgl
@summary LVGL图像库
@version 1.0
@date    2021.06.01
*/

#include "luat_base.h"
#include "luat_lvgl.h"
#include "lvgl.h"
#include "luat_mem.h"

/*
创建一个style
@api lvgl.style_t()
@return userdata style指针
@usage
local style = lvgl.style_t()
lvgl.style_init(style)
*/
int luat_lv_style_t(lua_State *L) {
    lv_style_t* style = (lv_style_t*)lua_newuserdata(L, sizeof(lv_style_t));
    if (style == NULL) {
        LLOGE("out of memory when create lv_style_t");
        return 0;
    }
    luaL_setmetatable(L, "LV_STYLE_T*");
    return 1;
}

/*
创建一个style并初始化
@api lvgl.style_create()
@return userdata style指针
@usage
local style = lvgl.style_create()
*/
int luat_lv_style_create(lua_State *L) {
    lv_style_t* style = (lv_style_t*)lua_newuserdata(L, sizeof(lv_style_t));
    if (style == NULL) {
        LLOGE("out of memory when create lv_style_t");
        return 0;
    }
    lv_style_init(style);
    // lua_pushlightuserdata(L, style);
    return 1;
}

/*
创建一个style_list
@api lvgl.style_list_create()
@return userdata style指针
@usage
local style_list = lvgl.style_list_create()
*/
int luat_lv_style_list_create(lua_State *L) {
    lv_style_list_t* style_list = (lv_style_list_t*)luat_heap_malloc(sizeof(lv_style_list_t));
    if (style_list == NULL) {
        LLOGE("out of memory when create lv_style_list_t");
        return 0;
    }
    lv_style_list_init(style_list);
    lua_pushlightuserdata(L, style_list);
    return 1;
}

/*
创建一个style_list
@api lvgl.style_list_t()
@return userdata style指针
@usage
local style = lvgl.style_list_t()
*/
int luat_lv_style_list_t(lua_State *L) {
    return luat_lv_style_list_create(L);
}

/*
删除style,慎用,通常不会执行删除操作
@api lvgl.style_delete(style)
@userdata style指针
@usage
local style = lvgl.style_create()
-- ...
-- ...
-- lvgl.style_delete(style)
*/
int luat_lv_style_delete(lua_State *L) {
    // lv_style_t* style = (lv_style_t*)lua_touserdata(L, 1);
    // if (style != NULL) {
    //     luat_heap_free(style);
    // }
    return 0;
}

/*
删除style_list,慎用,通常不会执行删除操作
@api lvgl.style_list_delete(style)
@userdata style指针
@usage
local style_list = lvgl.style_list_create()
-- ...
-- ...
-- lvgl.style_list_delete(style_list)
*/
int luat_lv_style_list_delete(lua_State *L) {
    lv_style_list_t* style_list = (lv_style_list_t*)lua_touserdata(L, 1);
    if (style_list != NULL) {
        luat_heap_free(style_list);
    }
    return 0;
}

#if LV_USE_ANIMATION
int luat_lv_style_set_transition_path(lua_State *L) {
    lv_style_t* style = (lv_style_t*)lua_touserdata(L, 1);
    lv_state_t state = (lv_state_t)luaL_checkinteger(L, 2);
    lv_anim_path_t* path = (lv_anim_path_t*)lua_touserdata(L, 3);
    lv_style_set_transition_path(style, state, path);
    return 0;
}
#endif