/** * @file lv_objmask.h * */ #ifndef LV_OBJMASK_H #define LV_OBJMASK_H #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ #include "../lv_conf_internal.h" #if LV_USE_OBJMASK != 0 #include "../lv_core/lv_obj.h" #include "../lv_widgets/lv_cont.h" /********************* * DEFINES *********************/ /********************** * TYPEDEFS **********************/ typedef struct { void * param; } lv_objmask_mask_t; /*Data of object mask*/ typedef struct { lv_cont_ext_t cont; /*Ext. of ancestor*/ /*New data for this type */ lv_ll_t mask_ll; /*Store the created masks*/ } lv_objmask_ext_t; /*Parts of the object*/ enum { LV_OBJMASK_PART_MAIN, }; typedef uint8_t lv_objmask_part_t; /********************** * GLOBAL PROTOTYPES **********************/ /** * Create a object mask objects * @param par pointer to an object, it will be the parent of the new object mask * @param copy pointer to a object mask object, if not NULL then the new object will be copied from it * @return pointer to the created object mask */ lv_obj_t * lv_objmask_create(lv_obj_t * par, const lv_obj_t * copy); /*====================== * Add/remove functions *=====================*/ /** * Add a mask * @param objmask pointer to an Object mask object * @param param an initialized mask parameter * @return pointer to the added mask */ lv_objmask_mask_t * lv_objmask_add_mask(lv_obj_t * objmask, void * param); /** * Update an already created mask * @param objmask pointer to an Object mask object * @param mask pointer to created mask (returned by `lv_objmask_add_mask`) * @param param an initialized mask parameter (initialized by `lv_draw_mask_line/angle/.../_init`) */ void lv_objmask_update_mask(lv_obj_t * objmask, lv_objmask_mask_t * mask, void * param); /** * Remove a mask * @param objmask pointer to an Object mask object * @param mask pointer to created mask (returned by `lv_objmask_add_mask`) * If `NULL` passed all masks will be deleted. */ void lv_objmask_remove_mask(lv_obj_t * objmask, lv_objmask_mask_t * mask); /*===================== * Setter functions *====================*/ /*===================== * Getter functions *====================*/ /*===================== * Other functions *====================*/ /********************** * MACROS **********************/ #endif /*LV_USE_OBJMASK*/ #ifdef __cplusplus } /* extern "C" */ #endif #endif /*LV_OBJMASK_H*/