1 /**
2 * @file lv_animimg.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_animimg.h"
10 #if LV_USE_ANIMIMG != 0
11
12 /*Testing of dependencies*/
13 #if LV_USE_IMG == 0
14 #error "lv_animimg: lv_img is required. Enable it in lv_conf.h (LV_USE_IMG 1) "
15 #endif
16
17 #include "../../../misc/lv_assert.h"
18 #include "../../../draw/lv_img_decoder.h"
19 #include "../../../misc/lv_fs.h"
20 #include "../../../misc/lv_txt.h"
21 #include "../../../misc/lv_math.h"
22 #include "../../../misc/lv_log.h"
23 #include "../../../misc/lv_anim.h"
24
25 /*********************
26 * DEFINES
27 *********************/
28 #define LV_OBJX_NAME "lv_animimg"
29
30 #define MY_CLASS &lv_animimg_class
31
32 /**********************
33 * TYPEDEFS
34 **********************/
35
36 /**********************
37 * STATIC PROTOTYPES
38 **********************/
39 static void index_change(lv_obj_t * obj, int32_t index);
40 static void lv_animimg_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
41
42 /**********************
43 * STATIC VARIABLES
44 **********************/
45 const lv_obj_class_t lv_animimg_class = {
46 .constructor_cb = lv_animimg_constructor,
47 .instance_size = sizeof(lv_animimg_t),
48 .base_class = &lv_img_class
49 };
50
51 /**********************
52 * MACROS
53 **********************/
54
55 /**********************
56 * GLOBAL FUNCTIONS
57 **********************/
58
lv_animimg_create(lv_obj_t * parent)59 lv_obj_t * lv_animimg_create(lv_obj_t * parent)
60 {
61 LV_LOG_INFO("begin");
62 lv_obj_t * obj = lv_obj_class_create_obj(&lv_animimg_class, parent);
63 lv_obj_class_init_obj(obj);
64 return obj;
65 }
66
lv_animimg_set_src(lv_obj_t * obj,const void * dsc[],uint8_t num)67 void lv_animimg_set_src(lv_obj_t * obj, const void * dsc[], uint8_t num)
68 {
69 LV_ASSERT_OBJ(obj, MY_CLASS);
70 lv_animimg_t * animimg = (lv_animimg_t *)obj;
71 animimg->dsc = dsc;
72 animimg->pic_count = num;
73 lv_anim_set_values(&animimg->anim, 0, num);
74 }
75
lv_animimg_start(lv_obj_t * obj)76 void lv_animimg_start(lv_obj_t * obj)
77 {
78 LV_ASSERT_OBJ(obj, MY_CLASS);
79 lv_animimg_t * animimg = (lv_animimg_t *)obj;
80 lv_anim_start(&animimg->anim);
81 }
82
83 /*=====================
84 * Setter functions
85 *====================*/
86
lv_animimg_set_duration(lv_obj_t * obj,uint32_t duration)87 void lv_animimg_set_duration(lv_obj_t * obj, uint32_t duration)
88 {
89 LV_ASSERT_OBJ(obj, MY_CLASS);
90 lv_animimg_t * animimg = (lv_animimg_t *)obj;
91 lv_anim_set_time(&animimg->anim, duration);
92 lv_anim_set_playback_delay(&animimg->anim, duration);
93 }
94
lv_animimg_set_repeat_count(lv_obj_t * obj,uint16_t count)95 void lv_animimg_set_repeat_count(lv_obj_t * obj, uint16_t count)
96 {
97 LV_ASSERT_OBJ(obj, MY_CLASS);
98 lv_animimg_t * animimg = (lv_animimg_t *)obj;
99 lv_anim_set_repeat_count(&animimg->anim, count);
100 }
101
102 /*=====================
103 * Getter functions
104 *====================*/
105
106 /**********************
107 * STATIC FUNCTIONS
108 **********************/
109
lv_animimg_constructor(const lv_obj_class_t * class_p,lv_obj_t * obj)110 static void lv_animimg_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
111 {
112 LV_TRACE_OBJ_CREATE("begin");
113
114 LV_UNUSED(class_p);
115 lv_animimg_t * animimg = (lv_animimg_t *)obj;
116
117 animimg->dsc = NULL;
118 animimg->pic_count = -1;
119 //initial animation
120 lv_anim_init(&animimg->anim);
121 lv_anim_set_var(&animimg->anim, obj);
122 lv_anim_set_time(&animimg->anim, 30);
123 lv_anim_set_exec_cb(&animimg->anim, (lv_anim_exec_xcb_t)index_change);
124 lv_anim_set_values(&animimg->anim, 0, 1);
125 lv_anim_set_repeat_count(&animimg->anim, LV_ANIM_REPEAT_INFINITE);
126 }
127
index_change(lv_obj_t * obj,int32_t index)128 static void index_change(lv_obj_t * obj, int32_t index)
129 {
130 lv_coord_t idx;
131 lv_animimg_t * animimg = (lv_animimg_t *)obj;
132
133 idx = index % animimg->pic_count;
134
135 lv_img_set_src(obj, animimg->dsc[idx]);
136 }
137
138 #endif
139
