139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/**
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* @file lv_animimg.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_animimg.h"
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#if LV_USE_ANIMIMG != 0
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/*Testing of dependencies*/
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#if LV_USE_IMG == 0
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#error "lv_animimg: lv_img is required. Enable it in lv_conf.h (LV_USE_IMG 1) "
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#endif
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#include "../../../misc/lv_assert.h"
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#include "../../../draw/lv_img_decoder.h"
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#include "../../../misc/lv_fs.h"
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#include "../../../misc/lv_txt.h"
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#include "../../../misc/lv_math.h"
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#include "../../../misc/lv_log.h"
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#include "../../../misc/lv_anim.h"
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/*********************
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* DEFINES
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*********************/
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#define LV_OBJX_NAME "lv_animimg"
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#define MY_CLASS &lv_animimg_class
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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 void index_change(lv_obj_t * obj, int32_t index);
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static void lv_animimg_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
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/**********************
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* STATIC VARIABLES
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**********************/
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const lv_obj_class_t lv_animimg_class = {
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.constructor_cb = lv_animimg_constructor,
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.instance_size = sizeof(lv_animimg_t),
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.base_class = &lv_img_class
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};
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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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lv_obj_t * lv_animimg_create(lv_obj_t * parent)
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{
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LV_LOG_INFO("begin");
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lv_obj_t * obj = lv_obj_class_create_obj(&lv_animimg_class, parent);
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lv_obj_class_init_obj(obj);
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return obj;
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}
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void lv_animimg_set_src(lv_obj_t * obj, lv_img_dsc_t * dsc[], uint8_t num)
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{
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LV_ASSERT_OBJ(obj, MY_CLASS);
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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animimg->dsc = dsc;
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animimg->pic_count = num;
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lv_anim_set_values(&animimg->anim, 0, num);
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}
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void lv_animimg_start(lv_obj_t * obj)
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{
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LV_ASSERT_OBJ(obj, MY_CLASS);
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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lv_anim_start(&animimg->anim);
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}
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/*=====================
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* Setter functions
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*====================*/
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void lv_animimg_set_duration(lv_obj_t * obj, uint32_t duration)
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{
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LV_ASSERT_OBJ(obj, MY_CLASS);
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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lv_anim_set_time(&animimg->anim, duration);
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lv_anim_set_playback_delay(&animimg->anim, duration);
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}
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void lv_animimg_set_repeat_count(lv_obj_t * obj, uint16_t count)
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{
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LV_ASSERT_OBJ(obj, MY_CLASS);
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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lv_anim_set_repeat_count(&animimg->anim, count);
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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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* STATIC FUNCTIONS
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**********************/
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static void lv_animimg_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
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{
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LV_TRACE_OBJ_CREATE("begin");
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LV_UNUSED(class_p);
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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animimg->dsc = NULL;
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animimg->pic_count = -1;
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//initial animation
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lv_anim_init(&animimg->anim);
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lv_anim_set_var(&animimg->anim, obj);
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lv_anim_set_time(&animimg->anim, 30);
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lv_anim_set_exec_cb(&animimg->anim, (lv_anim_exec_xcb_t)index_change);
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lv_anim_set_values(&animimg->anim, 0, 1);
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lv_anim_set_repeat_count(&animimg->anim, LV_ANIM_REPEAT_INFINITE);
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}
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static void index_change(lv_obj_t * obj, int32_t index)
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{
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lv_coord_t idx;
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lv_animimg_t * animimg = (lv_animimg_t *)obj;
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idx = index % animimg->pic_count;
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lv_img_set_src(obj, animimg->dsc[idx]);
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}
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#endif
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