feat(rlottie) add LVGL-Rlottie interface as 3rd party lib (#2700)

src/extra/libs/lv_libs.h

@@ -20,6 +20,7 @@ extern "C" {
 #include "qrcode/lv_qrcode.h"
 #include "sjpg/lv_sjpg.h"
 #include "freetype/lv_freetype.h"
+#include "rlottie/lv_rlottie.h"
 
 /*********************
  *      DEFINES

src/extra/libs/rlottie/lv_rlottie.c

@@ -0,0 +1,183 @@
+/**
+ * @file lv_rlottie.c
+ *
+ */
+
+ /*********************
+  *      INCLUDES
+  *********************/
+
+#include "lv_rlottie.h"
+#if LV_USE_RLOTTIE
+
+/*********************
+*      DEFINES
+*********************/
+#define MY_CLASS &lv_rlottie_class
+
+/**********************
+*      TYPEDEFS
+**********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void lv_rlottie_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void lv_rlottie_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void next_frame_task_cb(lv_timer_t* t);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+const lv_obj_class_t lv_rlottie_class = {
+    .constructor_cb = lv_rlottie_constructor,
+    .destructor_cb = lv_rlottie_destructor,
+    .instance_size = sizeof(lv_rlottie_t),
+    .base_class = &lv_img_class
+};
+
+static lv_coord_t create_width;
+static lv_coord_t create_height;
+static const char* rlottie_desc_create;
+static const char* path_create;
+
+/**********************
+ *      MACROS
+ **********************/
+
+ /**********************
+  *   GLOBAL FUNCTIONS
+  **********************/
+
+lv_obj_t* lv_rlottie_create_from_file(lv_obj_t* parent, lv_coord_t width, lv_coord_t height, const char* path)
+{
+
+    create_width = width;
+    create_height = height;
+    path_create = path;
+    rlottie_desc_create = NULL;
+
+    LV_LOG_INFO("begin");
+    lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent);
+    lv_obj_class_init_obj(obj);
+
+    return obj;
+
+}
+
+lv_obj_t* lv_rlottie_create_from_raw(lv_obj_t* parent, lv_coord_t width, lv_coord_t height, const char* rlottie_desc)
+{
+
+    create_width = width;
+    create_height = height;
+    rlottie_desc_create = rlottie_desc;
+    path_create = NULL;
+
+    LV_LOG_INFO("begin");
+    lv_obj_t * obj = lv_obj_class_create_obj(MY_CLASS, parent);
+    lv_obj_class_init_obj(obj);
+
+    return obj;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void lv_rlottie_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
+{
+
+    lv_rlottie_t * rlottie = (lv_rlottie_t *) obj;
+
+    if(rlottie_desc_create) {
+        rlottie->animation = lottie_animation_from_data(rlottie_desc_create, rlottie_desc_create,"");
+    }
+    else if(path_create) {
+        rlottie->animation = lottie_animation_from_file(path_create);
+    }
+    if (rlottie->animation == NULL) {
+        LV_LOG_WARN("The aniamtion can't be opened");
+        return;
+    }
+
+    rlottie->total_frames = lottie_animation_get_totalframe(rlottie->animation);
+    rlottie->framerate = lottie_animation_get_framerate(rlottie->animation);
+    rlottie->current_frame = 0;
+
+    lv_obj_t * parent = lv_obj_get_parent(obj);
+
+    rlottie->scanline_width = create_width * LV_COLOR_DEPTH / 8;
+
+    size_t allocaled_buf_size = (create_width * create_height * LV_COLOR_DEPTH / 8);
+    rlottie->allocated_buf = lv_mem_alloc(allocaled_buf_size);
+    if (rlottie->allocated_buf != NULL)
+    {
+        rlottie->allocated_buffer_size = allocaled_buf_size;
+        memset(rlottie->allocated_buf, 0, allocaled_buf_size);
+    }
+
+    rlottie->imgdsc.header.always_zero = 0;
+    rlottie->imgdsc.header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
+    rlottie->imgdsc.header.h = create_height;
+    rlottie->imgdsc.header.w = create_width;
+    rlottie->imgdsc.data = rlottie->allocated_buf;
+    rlottie->imgdsc.data_size = allocaled_buf_size;
+
+    lv_img_set_src(obj, &rlottie->imgdsc);
+
+    rlottie->task = lv_timer_create(next_frame_task_cb, 1000 / rlottie->framerate, obj);
+
+    lv_obj_update_layout(obj);
+}
+
+
+static void lv_rlottie_destructor(const lv_obj_class_t * class_p, lv_obj_t* obj)
+{
+
+    lv_rlottie_t * rlottie = (lv_rlottie_t *) obj;
+
+    if (rlottie->animation) {
+        lottie_animation_destroy(rlottie->animation);
+        rlottie->animation = 0;
+        rlottie->current_frame = 0;
+        rlottie->framerate = 0;
+        rlottie->scanline_width = 0;
+        rlottie->total_frames = 0;
+    }
+
+    if (rlottie->task){
+        lv_timer_del(rlottie->task);
+        rlottie->task = NULL;
+    }
+
+    if (rlottie->allocated_buf) {
+        lv_mem_free(rlottie->allocated_buf);
+        rlottie->allocated_buf = NULL;
+        rlottie->allocated_buffer_size = 0;
+    }
+
+}
+
+static void next_frame_task_cb(lv_timer_t* t)
+{
+    lv_obj_t* obj = t->user_data;
+    lv_rlottie_t * rlottie = (lv_rlottie_t *) obj;
+    if (rlottie->current_frame == rlottie->total_frames)
+        rlottie->current_frame = 0;
+    else
+        ++rlottie->current_frame;
+
+    lottie_animation_render(
+            rlottie->animation,
+            rlottie->current_frame,
+            rlottie->allocated_buf,
+            rlottie->imgdsc.header.w,
+            rlottie->imgdsc.header.h,
+            rlottie->scanline_width
+    );
+
+    lv_obj_invalidate(obj);
+
+}
+
+#endif /*LV_USE_RLOTTIE*/

src/extra/libs/rlottie/lv_rlottie.h

@@ -0,0 +1,61 @@
+/**
+ * @file lv_rlottie.h
+ *
+ */
+
+#ifndef LV_RLOTTIE_H
+#define LV_RLOTTIE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../../../lvgl.h"
+#if LV_USE_RLOTTIE
+
+#include <rlottie_capi.h>
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef struct {
+    lv_img_t img_ext;
+    Lottie_Animation* animation;
+    lv_timer_t* task;
+    lv_img_dsc_t imgdsc;
+    size_t total_frames;
+    size_t current_frame;
+    size_t framerate;
+    uint32_t* allocated_buf;
+    size_t allocated_buffer_size;
+    size_t scanline_width;
+}lv_rlottie_t;
+
+extern const lv_obj_class_t lv_rlottie_class;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+lv_obj_t * lv_rlottie_create_from_file(lv_obj_t * parent,lv_coord_t width, lv_coord_t height, const char * path);
+
+lv_obj_t* lv_rlottie_create_from_raw(lv_obj_t* parent, lv_coord_t width, lv_coord_t height, const char* rlottie_desc);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_USE_RLOTTIE*/
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_RLOTTIE_H*/

src/lv_conf_internal.h

@@ -1644,6 +1644,15 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
 #endif
 #endif
 
+/*Rlottie library*/
+#ifndef LV_USE_RLOTTIE
+#  ifdef CONFIG_LV_USE_RLOTTIE
+#    define LV_USE_RLOTTIE CONFIG_LV_USE_RLOTTIE
+#  else
+#    define LV_USE_RLOTTIE 0
+#  endif
+#endif
+
 /*-----------
  * Others
  *----------*/