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add opa_scale attribute

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Gabor Kiss-Vamosi
2018-06-14 13:08:19 +02:00
parent 1eb3e1711a
commit 75ea3b9edb
27 changed files with 288 additions and 178 deletions
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39
lv_core/lv_obj.h
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@@ -123,17 +123,17 @@ typedef struct _lv_obj_t
void * group_p; /*Pointer to the group of the object*/
#endif
/*Attributes and states*/
uint8_t click :1; /*1: Can be pressed by an input device*/
uint8_t drag :1; /*1: Enable the dragging*/
uint8_t drag_throw:1; /*1: Enable throwing with drag*/
uint8_t drag_parent :1; /*1: Parent will be dragged instead*/
uint8_t hidden :1; /*1: Object is hidden*/
uint8_t top :1; /*1: If the object or its children is clicked it goes to the foreground*/
uint8_t reserved :1;
uint8_t click :1; /*1: Can be pressed by an input device*/
uint8_t drag :1; /*1: Enable the dragging*/
uint8_t drag_throw :1; /*1: Enable throwing with drag*/
uint8_t drag_parent :1; /*1: Parent will be dragged instead*/
uint8_t hidden :1; /*1: Object is hidden*/
uint8_t top :1; /*1: If the object or its children is clicked it goes to the foreground*/
uint8_t opa_scale_en :1; /*1: opa_scale is set*/
lv_opa_t opa_scale; /*Scale down the opacity by this factor. Effects all children as well*/
uint8_t protect; /*Automatically happening actions can be prevented. 'OR'ed values from lv_obj_prot_t*/
lv_coord_t ext_size; /*EXTtend the size of the object in every direction. E.g. for shadow drawing*/
lv_coord_t ext_size; /*EXTtend the size of the object in every direction. E.g. for shadow drawing*/
#ifdef LV_OBJ_FREE_NUM_TYPE
LV_OBJ_FREE_NUM_TYPE free_num; /*Application specific identifier (set it freely)*/
@@ -392,6 +392,20 @@ void lv_obj_set_drag_throw(lv_obj_t * obj, bool en);
*/
void lv_obj_set_drag_parent(lv_obj_t * obj, bool en);
/**
* Set the opa scale enable parameter (required to set opa_scale with `lv_obj_set_opa_scale()`)
* @param obj pointer to an object
* @param en true: opa scaling is enabled for this object and all children; false: no opa scaling
*/
void lv_obj_set_opa_scale_enable(lv_obj_t * obj, bool en);
/**
* Set the opa scale of an object
* @param obj pointer to an object
* @param opa_scale a factor to scale down opacity [0..255]
*/
void lv_obj_set_opa_scale(lv_obj_t * obj, lv_opa_t opa_scale);
/**
* Set a bit or bits in the protect filed
* @param obj pointer to an object
@@ -644,6 +658,13 @@ bool lv_obj_get_drag_throw(lv_obj_t * obj);
*/
bool lv_obj_get_drag_parent(lv_obj_t * obj);
/**
* Get the opa scale parameter of an object
* @param obj pointer to an object
* @return opa scale [0..255]
*/
lv_opa_t lv_obj_get_opa_scale(lv_obj_t * obj);
/**
* Get the protect field of an object
* @param obj pointer to an object