mirror of
https://github.com/CTCaer/hekate
synced 2024-07-05 16:03:29 +00:00
185526d134
BDK will allow developers to use the full collection of drivers, with limited editing, if any, for making payloads for Nintendo Switch. Using a single source for everything will also help decoupling Switch specific code and easily port it to other Tegra X1/X1+ platforms. And maybe even to lower targets. Everything is now centrilized into bdk folder. Every module or project can utilize it by simply including it. This is just the start and it will continue to improve.
430 lines
13 KiB
C
430 lines
13 KiB
C
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/**
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* @file lv_bar.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_bar.h"
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#if USE_LV_BAR != 0
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#include "../lv_draw/lv_draw.h"
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#include "../lv_themes/lv_theme.h"
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#include "../lv_misc/lv_anim.h"
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#include <stdio.h>
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static bool lv_bar_design(lv_obj_t * bar, const lv_area_t * mask, lv_design_mode_t mode);
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static lv_res_t lv_bar_signal(lv_obj_t * bar, lv_signal_t sign, void * param);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_design_func_t ancestor_design_f;
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static lv_signal_func_t ancestor_signal;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Create a bar objects
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* @param par pointer to an object, it will be the parent of the new bar
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* @param copy pointer to a bar object, if not NULL then the new object will be copied from it
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* @return pointer to the created bar
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*/
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lv_obj_t * lv_bar_create(lv_obj_t * par, const lv_obj_t * copy)
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{
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LV_LOG_TRACE("lv_bar create started");
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/*Create the ancestor basic object*/
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lv_obj_t * new_bar = lv_obj_create(par, copy);
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lv_mem_assert(new_bar);
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if(new_bar == NULL) return NULL;
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if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_bar);
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if(ancestor_design_f == NULL) ancestor_design_f = lv_obj_get_design_func(new_bar);
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/*Allocate the object type specific extended data*/
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lv_bar_ext_t * ext = lv_obj_allocate_ext_attr(new_bar, sizeof(lv_bar_ext_t));
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lv_mem_assert(ext);
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if(ext == NULL) return NULL;
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ext->min_value = 0;
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ext->max_value = 100;
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ext->cur_value = 0;
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ext->sym = 0;
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ext->style_indic = &lv_style_pretty_color;
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lv_obj_set_signal_func(new_bar, lv_bar_signal);
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lv_obj_set_design_func(new_bar, lv_bar_design);
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/*Init the new bar object*/
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if(copy == NULL) {
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lv_obj_set_click(new_bar, false);
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lv_obj_set_size(new_bar, LV_DPI * 2, LV_DPI / 3);
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lv_bar_set_value(new_bar, ext->cur_value);
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lv_theme_t * th = lv_theme_get_current();
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if(th) {
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lv_bar_set_style(new_bar, LV_BAR_STYLE_BG, th->bar.bg);
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lv_bar_set_style(new_bar, LV_BAR_STYLE_INDIC, th->bar.indic);
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} else {
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lv_obj_set_style(new_bar, &lv_style_pretty);
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}
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} else {
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lv_bar_ext_t * ext_copy = lv_obj_get_ext_attr(copy);
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ext->min_value = ext_copy->min_value;
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ext->max_value = ext_copy->max_value;
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ext->cur_value = ext_copy->cur_value;
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ext->style_indic = ext_copy->style_indic;
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ext->sym = ext_copy->sym;
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/*Refresh the style with new signal function*/
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lv_obj_refresh_style(new_bar);
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lv_bar_set_value(new_bar, ext->cur_value);
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}
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LV_LOG_INFO("bar created");
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return new_bar;
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}
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set a new value on the bar
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* @param bar pointer to a bar object
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* @param value new value
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*/
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void lv_bar_set_value(lv_obj_t * bar, int16_t value)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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if(ext->cur_value == value) return;
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ext->cur_value = value > ext->max_value ? ext->max_value : value;
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ext->cur_value = ext->cur_value < ext->min_value ? ext->min_value : ext->cur_value;
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lv_obj_invalidate(bar);
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}
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#if USE_LV_ANIMATION
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/**
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* Set a new value with animation on the bar
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* @param bar pointer to a bar object
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* @param value new value
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* @param anim_time animation time in milliseconds
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*/
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void lv_bar_set_value_anim(lv_obj_t * bar, int16_t value, uint16_t anim_time)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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if(ext->cur_value == value) return;
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int16_t new_value;
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new_value = value > ext->max_value ? ext->max_value : value;
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new_value = new_value < ext->min_value ? ext->min_value : new_value;
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lv_anim_t a;
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a.var = bar;
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a.start = ext->cur_value;
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a.end = new_value;
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a.fp = (lv_anim_fp_t)lv_bar_set_value;
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a.path = lv_anim_path_linear;
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a.end_cb = NULL;
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a.act_time = 0;
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a.time = anim_time;
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a.playback = 0;
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a.playback_pause = 0;
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a.repeat = 0;
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a.repeat_pause = 0;
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lv_anim_create(&a);
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}
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#endif
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/**
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* Set minimum and the maximum values of a bar
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* @param bar pointer to the bar object
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* @param min minimum value
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* @param max maximum value
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*/
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void lv_bar_set_range(lv_obj_t * bar, int16_t min, int16_t max)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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if(ext->min_value == min && ext->max_value == max) return;
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ext->max_value = max;
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ext->min_value = min;
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if(ext->cur_value > max) {
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ext->cur_value = max;
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lv_bar_set_value(bar, ext->cur_value);
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}
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if(ext->cur_value < min) {
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ext->cur_value = min;
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lv_bar_set_value(bar, ext->cur_value);
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}
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lv_obj_invalidate(bar);
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}
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/**
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* Make the bar symmetric to zero. The indicator will grow from zero instead of the minimum position.
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* @param bar pointer to a bar object
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* @param en true: enable disable symmetric behavior; false: disable
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*/
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void lv_bar_set_sym(lv_obj_t * bar, bool en)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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ext->sym = en ? 1 : 0;
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}
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/**
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* Set a style of a bar
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* @param bar pointer to a bar object
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* @param type which style should be set
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* @param style pointer to a style
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*/
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void lv_bar_set_style(lv_obj_t * bar, lv_bar_style_t type, lv_style_t * style)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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switch(type) {
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case LV_BAR_STYLE_BG:
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lv_obj_set_style(bar, style);
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break;
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case LV_BAR_STYLE_INDIC:
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ext->style_indic = style;
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lv_obj_refresh_ext_size(bar);
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break;
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}
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}
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the value of a bar
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* @param bar pointer to a bar object
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* @return the value of the bar
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*/
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int16_t lv_bar_get_value(const lv_obj_t * bar)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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return ext->cur_value;
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}
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/**
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* Get the minimum value of a bar
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* @param bar pointer to a bar object
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* @return the minimum value of the bar
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*/
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int16_t lv_bar_get_min_value(const lv_obj_t * bar)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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return ext->min_value;
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}
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/**
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* Get the maximum value of a bar
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* @param bar pointer to a bar object
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* @return the maximum value of the bar
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*/
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int16_t lv_bar_get_max_value(const lv_obj_t * bar)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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return ext->max_value;
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}
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/**
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* Get whether the bar is symmetric or not.
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* @param bar pointer to a bar object
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* @return true: symmetric is enabled; false: disable
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*/
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bool lv_bar_get_sym(lv_obj_t * bar)
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{
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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return ext->sym ? true : false;
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}
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/**
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* Get a style of a bar
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* @param bar pointer to a bar object
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* @param type which style should be get
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* @return style pointer to a style
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*/
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lv_style_t * lv_bar_get_style(const lv_obj_t * bar, lv_bar_style_t type)
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{
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lv_style_t * style = NULL;
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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switch(type) {
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case LV_BAR_STYLE_BG:
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style = lv_obj_get_style(bar);
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break;
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case LV_BAR_STYLE_INDIC:
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style = ext->style_indic;
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break;
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default:
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style = NULL;
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break;
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}
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return style;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/**
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* Handle the drawing related tasks of the bars
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* @param bar pointer to an object
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* @param mask the object will be drawn only in this area
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* @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area
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* (return 'true' if yes)
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* LV_DESIGN_DRAW: draw the object (always return 'true')
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* LV_DESIGN_DRAW_POST: drawing after every children are drawn
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* @param return true/false, depends on 'mode'
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*/
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static bool lv_bar_design(lv_obj_t * bar, const lv_area_t * mask, lv_design_mode_t mode)
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{
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if(mode == LV_DESIGN_COVER_CHK) {
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/*Return false if the object is not covers the mask area*/
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return ancestor_design_f(bar, mask, mode);
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} else if(mode == LV_DESIGN_DRAW_MAIN) {
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lv_opa_t opa_scale = lv_obj_get_opa_scale(bar);
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#if USE_LV_GROUP == 0
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ancestor_design_f(bar, mask, mode);
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#else
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/* Draw the borders later if the bar is focused.
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* At value = 100% the indicator can cover to whole background and the focused style won't be visible*/
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if(lv_obj_is_focused(bar)) {
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lv_style_t * style_bg = lv_bar_get_style(bar, LV_BAR_STYLE_BG);
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lv_style_t style_tmp;
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lv_style_copy(&style_tmp, style_bg);
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style_tmp.body.border.width = 0;
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lv_draw_rect(&bar->coords, mask, &style_tmp, opa_scale);
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} else {
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ancestor_design_f(bar, mask, mode);
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}
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#endif
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lv_bar_ext_t * ext = lv_obj_get_ext_attr(bar);
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if(ext->cur_value != ext->min_value || ext->sym) {
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lv_style_t * style_indic = lv_bar_get_style(bar, LV_BAR_STYLE_INDIC);
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lv_area_t indic_area;
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lv_area_copy(&indic_area, &bar->coords);
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indic_area.x1 += style_indic->body.padding.hor;
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indic_area.x2 -= style_indic->body.padding.hor;
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indic_area.y1 += style_indic->body.padding.ver;
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indic_area.y2 -= style_indic->body.padding.ver;
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lv_coord_t w = lv_area_get_width(&indic_area);
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lv_coord_t h = lv_area_get_height(&indic_area);
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if(w >= h) {
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/*Horizontal*/
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indic_area.x2 = (int32_t)((int32_t)w * (ext->cur_value - ext->min_value)) / (ext->max_value - ext->min_value);
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indic_area.x2 = indic_area.x1 + indic_area.x2 - 1;
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if(ext->sym && ext->min_value < 0 && ext->max_value > 0) {
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/*Calculate the coordinate of the zero point*/
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lv_coord_t zero;
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zero = indic_area.x1 + (-ext->min_value * w) / (ext->max_value - ext->min_value);
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if(indic_area.x2 > zero) indic_area.x1 = zero;
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else {
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indic_area.x1 = indic_area.x2;
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indic_area.x2 = zero;
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}
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}
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} else {
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indic_area.y1 = (int32_t)((int32_t)h * (ext->cur_value - ext->min_value)) / (ext->max_value - ext->min_value);
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indic_area.y1 = indic_area.y2 - indic_area.y1 + 1;
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if(ext->sym && ext->min_value < 0 && ext->max_value > 0) {
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/*Calculate the coordinate of the zero point*/
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lv_coord_t zero;
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zero = indic_area.y2 - (-ext->min_value * h) / (ext->max_value - ext->min_value);
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if(indic_area.y1 < zero) indic_area.y2 = zero;
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else {
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indic_area.y2 = indic_area.y1;
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indic_area.y1 = zero;
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}
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}
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}
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/*Draw the indicator*/
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lv_draw_rect(&indic_area, mask, style_indic, opa_scale);
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}
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} else if(mode == LV_DESIGN_DRAW_POST) {
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#if USE_LV_GROUP
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/*Draw the border*/
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if(lv_obj_is_focused(bar)) {
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lv_opa_t opa_scale = lv_obj_get_opa_scale(bar);
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lv_style_t * style_bg = lv_bar_get_style(bar, LV_BAR_STYLE_BG);
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lv_style_t style_tmp;
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lv_style_copy(&style_tmp, style_bg);
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style_tmp.body.empty = 1;
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style_tmp.body.shadow.width = 0;
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lv_draw_rect(&bar->coords, mask, &style_tmp, opa_scale);
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}
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#endif
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}
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return true;
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}
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/**
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* Signal function of the bar
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* @param bar pointer to a bar object
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* @param sign a signal type from lv_signal_t enum
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* @param param pointer to a signal specific variable
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* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
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*/
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static lv_res_t lv_bar_signal(lv_obj_t * bar, lv_signal_t sign, void * param)
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{
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lv_res_t res;
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/* Include the ancient signal function */
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res = ancestor_signal(bar, sign, param);
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if(res != LV_RES_OK) return res;
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if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
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lv_style_t * style_indic = lv_bar_get_style(bar, LV_BAR_STYLE_INDIC);
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if(style_indic->body.shadow.width > bar->ext_size) bar->ext_size = style_indic->body.shadow.width;
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} else if(sign == LV_SIGNAL_GET_TYPE) {
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lv_obj_type_t * buf = param;
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uint8_t i;
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for(i = 0; i < LV_MAX_ANCESTOR_NUM - 1; i++) { /*Find the last set data*/
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if(buf->type[i] == NULL) break;
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}
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buf->type[i] = "lv_bar";
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}
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return res;
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}
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#endif
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