1 files changed, 197 insertions, 0 deletions
diff --git a/src/libs/lvgl/src/lv_objx/lv_preload.h b/src/libs/lvgl/src/lv_objx/lv_preload.h
new file mode 100644
index 00000000..22b87f32
--- /dev/null
+++ b/src/libs/lvgl/src/lv_objx/lv_preload.h
@@ -0,0 +1,197 @@
+/**
+ * @file lv_preload.h
+ *
+ */
+
+#ifndef LV_PRELOAD_H
+#define LV_PRELOAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#ifdef LV_CONF_INCLUDE_SIMPLE
+#include "lv_conf.h"
+#else
+#include "../../../lv_conf.h"
+#endif
+
+#if LV_USE_PRELOAD != 0
+
+/*Testing of dependencies*/
+#if LV_USE_ARC == 0
+#error "lv_preload: lv_arc is required. Enable it in lv_conf.h (LV_USE_ARC  1) "
+#endif
+
+#if LV_USE_ANIMATION == 0
+#error "lv_preload: animations are required. Enable it in lv_conf.h (LV_USE_ANIMATION  1) "
+#endif
+
+#include "../lv_core/lv_obj.h"
+#include "../lv_misc/lv_anim.h"
+#include "lv_arc.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**
+ * Type of preloader.
+ */
+enum {
+    LV_PRELOAD_TYPE_SPINNING_ARC,
+    LV_PRELOAD_TYPE_FILLSPIN_ARC,
+    LV_PRELOAD_TYPE_CONSTANT_ARC,
+};
+typedef uint8_t lv_preload_type_t;
+
+/**
+ * Direction the preloader should spin.
+ */
+enum {
+    LV_PRELOAD_DIR_FORWARD,
+    LV_PRELOAD_DIR_BACKWARD,
+};
+typedef uint8_t lv_preload_dir_t;
+
+/*Data of pre loader*/
+typedef struct
+{
+    lv_arc_ext_t arc; /*Ext. of ancestor*/
+    /*New data for this type */
+    lv_anim_value_t arc_length;      /*Length of the spinning indicator in degree*/
+    uint16_t time;                   /*Time of one round*/
+    lv_preload_type_t anim_type : 2; /*Type of the arc animation*/
+    lv_preload_dir_t anim_dir : 1;   /*Animation Direction*/
+} lv_preload_ext_t;
+
+/*Styles*/
+enum {
+    LV_PRELOAD_STYLE_MAIN,
+};
+typedef uint8_t lv_preload_style_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Create a pre loader objects
+ * @param par pointer to an object, it will be the parent of the new pre loader
+ * @param copy pointer to a pre loader object, if not NULL then the new object will be copied from
+ * it
+ * @return pointer to the created pre loader
+ */
+lv_obj_t * lv_preload_create(lv_obj_t * par, const lv_obj_t * copy);
+
+/*======================
+ * Add/remove functions
+ *=====================*/
+
+/**
+ * Set the length of the spinning  arc in degrees
+ * @param preload pointer to a preload object
+ * @param deg length of the arc
+ */
+void lv_preload_set_arc_length(lv_obj_t * preload, lv_anim_value_t deg);
+
+/**
+ * Set the spin time of the arc
+ * @param preload pointer to a preload object
+ * @param time time of one round in milliseconds
+ */
+void lv_preload_set_spin_time(lv_obj_t * preload, uint16_t time);
+
+/*=====================
+ * Setter functions
+ *====================*/
+
+/**
+ * Set a style of a pre loader.
+ * @param preload pointer to pre loader object
+ * @param type which style should be set
+ * @param style pointer to a style
+ *  */
+void lv_preload_set_style(lv_obj_t * preload, lv_preload_style_t type, const lv_style_t * style);
+
+/**
+ * Set the animation type of a preloader.
+ * @param preload pointer to pre loader object
+ * @param type animation type of the preload
+ *  */
+void lv_preload_set_type(lv_obj_t * preload, lv_preload_type_t type);
+
+/**
+ * Set the animation direction of a preloader
+ * @param preload pointer to pre loader object
+ * @param direction animation direction of the preload
+ */
+void lv_preload_set_dir(lv_obj_t * preload, lv_preload_dir_t dir);
+
+/*=====================
+ * Getter functions
+ *====================*/
+
+/**
+ * Get the arc length [degree] of the a pre loader
+ * @param preload pointer to a pre loader object
+ */
+lv_anim_value_t lv_preload_get_arc_length(const lv_obj_t * preload);
+
+/**
+ * Get the spin time of the arc
+ * @param preload pointer to a pre loader object [milliseconds]
+ */
+uint16_t lv_preload_get_spin_time(const lv_obj_t * preload);
+
+/**
+ * Get style of a pre loader.
+ * @param preload pointer to pre loader object
+ * @param type which style should be get
+ * @return style pointer to the style
+ *  */
+const lv_style_t * lv_preload_get_style(const lv_obj_t * preload, lv_preload_style_t type);
+
+/**
+ * Get the animation type of a preloader.
+ * @param preload pointer to pre loader object
+ * @return animation type
+ *  */
+lv_preload_type_t lv_preload_get_type(lv_obj_t * preload);
+
+/**
+ * Get the animation direction of a preloader
+ * @param preload pointer to pre loader object
+ * @return animation direction
+ */
+lv_preload_dir_t lv_preload_get_dir(lv_obj_t * preload);
+
+/*=====================
+ * Other functions
+ *====================*/
+
+/**
+ * Animator function  (exec_cb) to rotate the arc of spinner.
+ * @param ptr pointer to preloader
+ * @param val the current desired value [0..360]
+ */
+void lv_preload_spinner_anim(void * ptr, lv_anim_value_t val);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_USE_PRELOAD*/
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_PRELOAD_H*/