styles: make styles to global variables

lv_draw/lv_draw.c

@@ -359,8 +359,8 @@ void lv_draw_img(const area_t * cords_p, const area_t * mask_p,
              const lv_style_t * style, const char * fn)
 {
     if(fn == NULL) {
-        lv_draw_rect(cords_p, mask_p, lv_style_get(LV_STYLE_PLAIN));
-        lv_draw_label(cords_p, mask_p, lv_style_get(LV_STYLE_PLAIN), "No data", TXT_FLAG_NONE, NULL);
+        lv_draw_rect(cords_p, mask_p, &lv_style_plain);
+        lv_draw_label(cords_p, mask_p, &lv_style_plain, "No data", TXT_FLAG_NONE, NULL);
     } else {
         fs_file_t file;
         fs_res_t res = fs_open(&file, fn, FS_MODE_RD);
@@ -446,8 +446,8 @@ void lv_draw_img(const area_t * cords_p, const area_t * mask_p,
         fs_close(&file);
 
         if(res != FS_RES_OK) {
-            lv_draw_rect(cords_p, mask_p, lv_style_get(LV_STYLE_PLAIN));
-            lv_draw_label(cords_p, mask_p, lv_style_get(LV_STYLE_PLAIN), "No data", TXT_FLAG_NONE, NULL);
+            lv_draw_rect(cords_p, mask_p, &lv_style_plain);
+            lv_draw_label(cords_p, mask_p, &lv_style_plain, "No data", TXT_FLAG_NONE, NULL);
         }
     }
 }

lv_obj/lv_obj.c

@@ -90,10 +90,10 @@ void lv_init(void)
     act_scr = def_scr;
     
     top_layer = lv_obj_create(NULL, NULL);
-    lv_obj_set_style(top_layer, lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+    lv_obj_set_style(top_layer, &lv_style_transp_tight);
 
     sys_layer = lv_obj_create(NULL, NULL);
-    lv_obj_set_style(sys_layer, lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+    lv_obj_set_style(sys_layer, &lv_style_transp_tight);
 
     /*Refresh the screen*/
     lv_obj_invalidate(act_scr);
@@ -139,7 +139,7 @@ lv_obj_t * lv_obj_create(lv_obj_t * parent, lv_obj_t * copy)
 		new_obj->ext_size = 0;
 
 		/*Set appearance*/
-		new_obj->style_p = lv_style_get(LV_STYLE_SCREEN);
+		new_obj->style_p = &lv_style_scr;
 
 		/*Set virtual functions*/
 		lv_obj_set_signal_func(new_obj, lv_obj_signal);
@@ -186,7 +186,7 @@ lv_obj_t * lv_obj_create(lv_obj_t * parent, lv_obj_t * copy)
         new_obj->ext_size = 0;
 
         /*Set appearance*/
-        new_obj->style_p = lv_style_get(LV_STYLE_PLAIN);
+        new_obj->style_p = &lv_style_plain;
         
         /*Set virtual functions*/
         lv_obj_set_signal_func(new_obj, lv_obj_signal);
@@ -1297,7 +1297,7 @@ lv_style_t * lv_obj_get_style(lv_obj_t * obj)
     }
 #endif
 
-    if(style_act == NULL) style_act = lv_style_get(LV_STYLE_PLAIN);
+    if(style_act == NULL) style_act = &lv_style_plain;
 
     return style_act;
 }

lv_obj/lv_style.c

@@ -37,19 +37,18 @@ static void lv_style_aimator(lv_style_anim_dsc_t * dsc, int32_t val);
 /**********************
  *  STATIC VARIABLES
  **********************/
-
-static lv_style_t lv_style_scr;
-static lv_style_t lv_style_transparent;
-static lv_style_t lv_style_transparent_tight;
-static lv_style_t lv_style_plain;
-static lv_style_t lv_style_plain_color;
-static lv_style_t lv_style_pretty;
-static lv_style_t lv_style_pretty_color;
-static lv_style_t lv_style_button_off_released;
-static lv_style_t lv_style_button_off_pressed;
-static lv_style_t lv_style_button_on_released;
-static lv_style_t lv_style_button_on_pressed;;
-static lv_style_t lv_style_button_inactive;
+lv_style_t lv_style_scr;
+lv_style_t lv_style_transp;
+lv_style_t lv_style_transp_tight;
+lv_style_t lv_style_plain;
+lv_style_t lv_style_plain_color;
+lv_style_t lv_style_pretty;
+lv_style_t lv_style_pretty_color;
+lv_style_t lv_style_btn_off_released;
+lv_style_t lv_style_btn_off_pressed;
+lv_style_t lv_style_btn_on_released;
+lv_style_t lv_style_btn_on_pressed;;
+lv_style_t lv_style_btn_inactive;
 
 /**********************
  *      MACROS
@@ -131,122 +130,69 @@ void lv_style_init (void)
     lv_style_pretty_color.body.border.color = COLOR_MAKE(0x15, 0x2c, 0x42);
 
     /*Transparent style*/
-    memcpy(&lv_style_transparent, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_transparent.body.empty = 1;
-    lv_style_transparent.glass = 1;
-    lv_style_transparent.body.border.width = 0;
+    memcpy(&lv_style_transp, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_transp.body.empty = 1;
+    lv_style_transp.glass = 1;
+    lv_style_transp.body.border.width = 0;
 
     /*Transparent tight style*/
-    memcpy(&lv_style_transparent_tight, &lv_style_transparent, sizeof(lv_style_t));
-    lv_style_transparent_tight.body.padding.hor = 0;
-    lv_style_transparent_tight.body.padding.ver = 0;
+    memcpy(&lv_style_transp_tight, &lv_style_transp, sizeof(lv_style_t));
+    lv_style_transp_tight.body.padding.hor = 0;
+    lv_style_transp_tight.body.padding.ver = 0;
 
     /*Button released style*/
-    memcpy(&lv_style_button_off_released, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_button_off_released.body.color_main = COLOR_MAKE(0x76, 0xa2, 0xd0);
-    lv_style_button_off_released.body.color_gradient = COLOR_MAKE(0x19, 0x3a, 0x5d);
-    lv_style_button_off_released.body.radius = LV_DPI / 15;
-    lv_style_button_off_released.body.padding.hor = LV_DPI / 4;
-    lv_style_button_off_released.body.padding.ver = LV_DPI / 6;
-    lv_style_button_off_released.body.padding.inner = LV_DPI / 10;
-    lv_style_button_off_released.body.border.color = COLOR_MAKE(0x0b, 0x19, 0x28);
-    lv_style_button_off_released.body.border.width = LV_DPI / 50 >= 1 ? LV_DPI / 50  : 1;
-    lv_style_button_off_released.body.border.opa = OPA_70;
-    lv_style_button_off_released.text.color = COLOR_MAKE(0xff, 0xff, 0xff);
-    lv_style_button_off_released.text.align = LV_TEXT_ALIGN_MID;
-    lv_style_button_off_released.body.shadow.color = COLOR_GRAY;
-    lv_style_button_off_released.body.shadow.width = 0;
+    memcpy(&lv_style_btn_off_released, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_btn_off_released.body.color_main = COLOR_MAKE(0x76, 0xa2, 0xd0);
+    lv_style_btn_off_released.body.color_gradient = COLOR_MAKE(0x19, 0x3a, 0x5d);
+    lv_style_btn_off_released.body.radius = LV_DPI / 15;
+    lv_style_btn_off_released.body.padding.hor = LV_DPI / 4;
+    lv_style_btn_off_released.body.padding.ver = LV_DPI / 6;
+    lv_style_btn_off_released.body.padding.inner = LV_DPI / 10;
+    lv_style_btn_off_released.body.border.color = COLOR_MAKE(0x0b, 0x19, 0x28);
+    lv_style_btn_off_released.body.border.width = LV_DPI / 50 >= 1 ? LV_DPI / 50  : 1;
+    lv_style_btn_off_released.body.border.opa = OPA_70;
+    lv_style_btn_off_released.text.color = COLOR_MAKE(0xff, 0xff, 0xff);
+    lv_style_btn_off_released.text.align = LV_TEXT_ALIGN_MID;
+    lv_style_btn_off_released.body.shadow.color = COLOR_GRAY;
+    lv_style_btn_off_released.body.shadow.width = 0;
 
     /*Button pressed style*/
-    memcpy(&lv_style_button_off_pressed, &lv_style_button_off_released, sizeof(lv_style_t));
-    lv_style_button_off_pressed.body.color_main = COLOR_MAKE(0x33, 0x62, 0x94);
-    lv_style_button_off_pressed.body.color_gradient = COLOR_MAKE(0x10, 0x26, 0x3c);
-    lv_style_button_off_pressed.text.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
-    lv_style_button_off_pressed.image.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
-    lv_style_button_off_pressed.line.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    memcpy(&lv_style_btn_off_pressed, &lv_style_btn_off_released, sizeof(lv_style_t));
+    lv_style_btn_off_pressed.body.color_main = COLOR_MAKE(0x33, 0x62, 0x94);
+    lv_style_btn_off_pressed.body.color_gradient = COLOR_MAKE(0x10, 0x26, 0x3c);
+    lv_style_btn_off_pressed.text.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    lv_style_btn_off_pressed.image.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    lv_style_btn_off_pressed.line.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
 
     /*Button toggle released style*/
-    memcpy(&lv_style_button_on_released, &lv_style_button_off_released, sizeof(lv_style_t));
-    lv_style_button_on_released.body.color_main = COLOR_MAKE(0x0a, 0x11, 0x22);
-    lv_style_button_on_released.body.color_gradient = COLOR_MAKE(0x37, 0x62, 0x90);
-    lv_style_button_on_released.body.border.color = COLOR_MAKE(0x01, 0x07, 0x0d);
-    lv_style_button_on_released.text.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
-    lv_style_button_on_released.image.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
-    lv_style_button_on_released.line.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
+    memcpy(&lv_style_btn_on_released, &lv_style_btn_off_released, sizeof(lv_style_t));
+    lv_style_btn_on_released.body.color_main = COLOR_MAKE(0x0a, 0x11, 0x22);
+    lv_style_btn_on_released.body.color_gradient = COLOR_MAKE(0x37, 0x62, 0x90);
+    lv_style_btn_on_released.body.border.color = COLOR_MAKE(0x01, 0x07, 0x0d);
+    lv_style_btn_on_released.text.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
+    lv_style_btn_on_released.image.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
+    lv_style_btn_on_released.line.color = COLOR_MAKE(0xc8, 0xdd, 0xf4);
 
     /*Button toggle pressed style*/
-    memcpy(&lv_style_button_on_pressed, &lv_style_button_on_released, sizeof(lv_style_t));
-    lv_style_button_on_pressed.body.color_main = COLOR_MAKE(0x02, 0x14, 0x27);
-    lv_style_button_on_pressed.body.color_gradient = COLOR_MAKE(0x2b, 0x4c, 0x70);
-    lv_style_button_on_pressed.text.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
-    lv_style_button_on_pressed.image.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
-    lv_style_button_on_pressed.line.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    memcpy(&lv_style_btn_on_pressed, &lv_style_btn_on_released, sizeof(lv_style_t));
+    lv_style_btn_on_pressed.body.color_main = COLOR_MAKE(0x02, 0x14, 0x27);
+    lv_style_btn_on_pressed.body.color_gradient = COLOR_MAKE(0x2b, 0x4c, 0x70);
+    lv_style_btn_on_pressed.text.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    lv_style_btn_on_pressed.image.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
+    lv_style_btn_on_pressed.line.color = COLOR_MAKE(0xa4, 0xb5, 0xc6);
 
     /*Button inactive style*/
-    memcpy(&lv_style_button_inactive, &lv_style_button_off_released, sizeof(lv_style_t));
-    lv_style_button_inactive.body.color_main = COLOR_MAKE(0xd8, 0xd8, 0xd8);
-    lv_style_button_inactive.body.color_gradient = COLOR_MAKE(0xd8, 0xd8, 0xd8);
-    lv_style_button_inactive.body.border.color = COLOR_MAKE(0x90, 0x90, 0x90);
-    lv_style_button_inactive.text.color = COLOR_MAKE(0x70, 0x70, 0x70);
-    lv_style_button_inactive.image.color = COLOR_MAKE(0x70, 0x70, 0x70);
-    lv_style_button_inactive.line.color = COLOR_MAKE(0x70, 0x70, 0x70);
+    memcpy(&lv_style_btn_inactive, &lv_style_btn_off_released, sizeof(lv_style_t));
+    lv_style_btn_inactive.body.color_main = COLOR_MAKE(0xd8, 0xd8, 0xd8);
+    lv_style_btn_inactive.body.color_gradient = COLOR_MAKE(0xd8, 0xd8, 0xd8);
+    lv_style_btn_inactive.body.border.color = COLOR_MAKE(0x90, 0x90, 0x90);
+    lv_style_btn_inactive.text.color = COLOR_MAKE(0x70, 0x70, 0x70);
+    lv_style_btn_inactive.image.color = COLOR_MAKE(0x70, 0x70, 0x70);
+    lv_style_btn_inactive.line.color = COLOR_MAKE(0x70, 0x70, 0x70);
 }
 
 
 /**
- * Get style from its name
- * @param style_name an element of the 'lv_style_name_t' enum
- * @return pointer to the requested style (lv_style_def by default)
- */
-lv_style_t * lv_style_get(lv_style_name_t style_name)
-{
-    lv_style_t * style = &lv_style_plain;
-
-    switch(style_name) {
-        case LV_STYLE_SCREEN:
-            style = &lv_style_scr;
-            break;
-        case LV_STYLE_PLAIN:
-            style = &lv_style_plain;
-            break;
-        case LV_STYLE_PLAIN_COLOR:
-            style = &lv_style_plain_color;
-            break;
-        case LV_STYLE_PRETTY:
-            style = &lv_style_pretty;
-            break;
-        case LV_STYLE_PRETTY_COLOR:
-            style = &lv_style_pretty_color;
-            break;
-        case LV_STYLE_TRANSPARENT:
-            style = &lv_style_transparent;
-            break;
-        case LV_STYLE_TRANSPARENT_TIGHT:
-            style = &lv_style_transparent_tight;
-            break;
-        case LV_STYLE_BUTTON_OFF_RELEASED:
-            style = &lv_style_button_off_released;
-            break;
-        case LV_STYLE_BUTTON_OFF_PRESSED:
-            style = &lv_style_button_off_pressed;
-            break;
-        case LV_STYLE_BUTTON_ON_RELEASED:
-            style = &lv_style_button_on_released;
-            break;
-        case LV_STYLE_BUTTON_ON_PRESSED:
-            style = &lv_style_button_on_pressed;
-            break;
-        case LV_STYLE_BUTTON_INACTIVE:
-            style = &lv_style_button_inactive;
-            break;
-        default:
-            style =  &lv_style_plain;
-    }
-
-    return style;
-}
-
-/**
  * Copy a style to an other
  * @param dest pointer to the destination style
  * @param src pointer to the source style

lv_obj/lv_style.h

@@ -91,22 +91,6 @@ typedef struct
     }line;
 }lv_style_t;
 
-typedef enum {
-    LV_STYLE_SCREEN,
-    LV_STYLE_TRANSPARENT,
-    LV_STYLE_TRANSPARENT_TIGHT,
-    LV_STYLE_PLAIN,
-    LV_STYLE_PLAIN_COLOR,
-    LV_STYLE_PRETTY,
-    LV_STYLE_PRETTY_COLOR,
-    LV_STYLE_BUTTON_OFF_RELEASED,
-    LV_STYLE_BUTTON_OFF_PRESSED,
-    LV_STYLE_BUTTON_ON_RELEASED,
-    LV_STYLE_BUTTON_ON_PRESSED,
-    LV_STYLE_BUTTON_INACTIVE,
-}lv_style_name_t;
-
-
 typedef struct {
     const lv_style_t * style_start; /*Pointer to the starting style*/
     const lv_style_t * style_end;   /*Pointer to the destination style*/
@@ -145,14 +129,6 @@ lv_style_anim_create(&a);
 void lv_style_init (void);
 
 /**
- * Get style from its name
- * @param style_name an element of the 'lv_style_name_t' enum
- * @return pointer to the requested style (lv_style_def by default)
- */
-lv_style_t * lv_style_get(lv_style_name_t style_name);
-
-
-/**
  * Copy a style to an other
  * @param dest pointer to the destination style
  * @param src pointer to the source style
@@ -165,6 +141,22 @@ void lv_style_copy(lv_style_t * dest, const lv_style_t * src);
  */
 void lv_style_anim_create(lv_style_anim_t * anim);
 
+/*************************
+ *    GLOBAL VARIABLES
+ *************************/
+extern lv_style_t lv_style_scr;
+extern lv_style_t lv_style_transp;
+extern lv_style_t lv_style_transp_tight;
+extern lv_style_t lv_style_plain;
+extern lv_style_t lv_style_plain_color;
+extern lv_style_t lv_style_pretty;
+extern lv_style_t lv_style_pretty_color;
+extern lv_style_t lv_style_btn_off_released;
+extern lv_style_t lv_style_btn_off_pressed;
+extern lv_style_t lv_style_btn_on_released;
+extern lv_style_t lv_style_btn_on_pressed;;
+extern lv_style_t lv_style_btn_inactive;
+
 /**********************
  *      MACROS
  **********************/

lv_objx/lv_bar.c

@@ -64,7 +64,7 @@ lv_obj_t * lv_bar_create(lv_obj_t * par, lv_obj_t * copy)
     ext->min_value = 0;
     ext->max_value = 100;
     ext->act_value = 0;
-    ext->indicator_style = lv_style_get(LV_STYLE_PRETTY_COLOR);
+    ext->indicator_style = &lv_style_pretty_color;
 
     /* Save the ancient design function.
      * It will be used in the bar design function*/
@@ -77,7 +77,7 @@ lv_obj_t * lv_bar_create(lv_obj_t * par, lv_obj_t * copy)
     if(copy == NULL) {
         lv_obj_set_click(new_bar, false);
     	lv_obj_set_size(new_bar, LV_DPI * 2, LV_DPI / 3);
-        lv_obj_set_style(new_bar, lv_style_get(LV_STYLE_PRETTY));
+        lv_obj_set_style(new_bar, &lv_style_pretty);
     	lv_bar_set_value(new_bar, ext->act_value);
     } else {
     	lv_bar_ext_t * ext_copy = lv_obj_get_ext_attr(copy);

lv_objx/lv_btn.c

@@ -66,11 +66,11 @@ lv_obj_t * lv_btn_create(lv_obj_t * par, lv_obj_t * copy)
     ext->actions[LV_BTN_ACTION_LONG_PRESS] = NULL;
     ext->actions[LV_BTN_ACTION_LONG_PRESS_REPEATE] = NULL;
 
-    ext->styles[LV_BTN_STATE_OFF_RELEASED] = lv_style_get(LV_STYLE_BUTTON_OFF_RELEASED);
-    ext->styles[LV_BTN_STATE_OFF_PRESSED] = lv_style_get(LV_STYLE_BUTTON_OFF_PRESSED);
-    ext->styles[LV_BTN_STATE_ON_RELEASED] = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->styles[LV_BTN_STATE_ON_PRESSED] = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
-    ext->styles[LV_BTN_STATE_INACTIVE] = lv_style_get(LV_STYLE_BUTTON_INACTIVE);
+    ext->styles[LV_BTN_STATE_OFF_RELEASED] = &lv_style_btn_off_released;
+    ext->styles[LV_BTN_STATE_OFF_PRESSED] = &lv_style_btn_off_pressed;
+    ext->styles[LV_BTN_STATE_ON_RELEASED] = &lv_style_btn_on_released;
+    ext->styles[LV_BTN_STATE_ON_PRESSED] = &lv_style_btn_on_pressed;
+    ext->styles[LV_BTN_STATE_INACTIVE] = &lv_style_btn_inactive;
 
     ext->long_press_action_executed = 0;
     ext->toggle = 0;

lv_objx/lv_btnm.c

@@ -78,11 +78,11 @@ lv_obj_t * lv_btnm_create(lv_obj_t * par, lv_obj_t * copy)
     ext->action = NULL;
     ext->map_p = NULL;
     ext->toggle = 0;
-    ext->button_styles[LV_BTN_STATE_OFF_RELEASED] = lv_style_get(LV_STYLE_BUTTON_OFF_RELEASED);
-    ext->button_styles[LV_BTN_STATE_OFF_PRESSED] = lv_style_get(LV_STYLE_BUTTON_OFF_PRESSED);
-    ext->button_styles[LV_BTN_STATE_ON_RELEASED] = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->button_styles[LV_BTN_STATE_ON_PRESSED] = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
-    ext->button_styles[LV_BTN_STATE_INACTIVE] = lv_style_get(LV_STYLE_BUTTON_INACTIVE);
+    ext->button_styles[LV_BTN_STATE_OFF_RELEASED] = &lv_style_btn_off_released;
+    ext->button_styles[LV_BTN_STATE_OFF_PRESSED] = &lv_style_btn_off_pressed;
+    ext->button_styles[LV_BTN_STATE_ON_RELEASED] = &lv_style_btn_on_released;
+    ext->button_styles[LV_BTN_STATE_ON_PRESSED] = &lv_style_btn_on_pressed;
+    ext->button_styles[LV_BTN_STATE_INACTIVE] = &lv_style_btn_inactive;
 
     if(ancestor_design_f == NULL) ancestor_design_f = lv_obj_get_design_func(new_btnm);
 
@@ -92,7 +92,7 @@ lv_obj_t * lv_btnm_create(lv_obj_t * par, lv_obj_t * copy)
     /*Init the new button matrix object*/
     if(copy == NULL) {
     	lv_obj_set_size(new_btnm, LV_HOR_RES, LV_VER_RES / 2);
-    	lv_obj_set_style(new_btnm, lv_style_get(LV_STYLE_PRETTY));
+    	lv_obj_set_style(new_btnm, &lv_style_pretty);
     	lv_btnm_set_map(new_btnm, lv_btnm_def_map);
     }
     /*Copy an existing object*/

lv_objx/lv_cb.c

@@ -69,11 +69,11 @@ lv_obj_t * lv_cb_create(lv_obj_t * par, lv_obj_t * copy)
     /*Init the new checkbox object*/
     if(copy == NULL) {
         ext->bullet = lv_btn_create(new_cb, NULL);
-        lv_btn_set_style(new_cb, LV_BTN_STATE_OFF_RELEASED, lv_style_get(LV_STYLE_TRANSPARENT));
-        lv_btn_set_style(new_cb, LV_BTN_STATE_OFF_PRESSED, lv_style_get(LV_STYLE_TRANSPARENT));
-        lv_btn_set_style(new_cb, LV_BTN_STATE_ON_RELEASED, lv_style_get(LV_STYLE_TRANSPARENT));
-        lv_btn_set_style(new_cb, LV_BTN_STATE_ON_PRESSED, lv_style_get(LV_STYLE_TRANSPARENT));
-        lv_btn_set_style(new_cb, LV_BTN_STATE_INACTIVE, lv_style_get(LV_STYLE_TRANSPARENT));
+        lv_btn_set_style(new_cb, LV_BTN_STATE_OFF_RELEASED, &lv_style_transp);
+        lv_btn_set_style(new_cb, LV_BTN_STATE_OFF_PRESSED, &lv_style_transp);
+        lv_btn_set_style(new_cb, LV_BTN_STATE_ON_RELEASED, &lv_style_transp);
+        lv_btn_set_style(new_cb, LV_BTN_STATE_ON_PRESSED, &lv_style_transp);
+        lv_btn_set_style(new_cb, LV_BTN_STATE_INACTIVE, &lv_style_transp);
 
         lv_cont_set_layout(new_cb, LV_CONT_LAYOUT_ROW_M);
         lv_cont_set_fit(new_cb, true, true);
@@ -81,10 +81,10 @@ lv_obj_t * lv_cb_create(lv_obj_t * par, lv_obj_t * copy)
 
         if(ancestor_bullet_design_f == NULL) ancestor_bullet_design_f = lv_obj_get_design_func(ext->bullet);
         lv_obj_set_click(ext->bullet, false);
-        lv_btn_set_style(ext->bullet, LV_BTN_STATE_OFF_RELEASED, lv_style_get(LV_STYLE_PRETTY));
-        lv_btn_set_style(ext->bullet, LV_BTN_STATE_OFF_PRESSED, lv_style_get(LV_STYLE_PRETTY_COLOR));
-        lv_btn_set_style(ext->bullet, LV_BTN_STATE_ON_RELEASED, lv_style_get(LV_STYLE_BUTTON_ON_RELEASED));
-        lv_btn_set_style(ext->bullet, LV_BTN_STATE_ON_PRESSED, lv_style_get(LV_STYLE_BUTTON_ON_PRESSED));
+        lv_btn_set_style(ext->bullet, LV_BTN_STATE_OFF_RELEASED, &lv_style_pretty);
+        lv_btn_set_style(ext->bullet, LV_BTN_STATE_OFF_PRESSED, &lv_style_pretty_color);
+        lv_btn_set_style(ext->bullet, LV_BTN_STATE_ON_RELEASED, &lv_style_btn_on_released);
+        lv_btn_set_style(ext->bullet, LV_BTN_STATE_ON_PRESSED, &lv_style_btn_on_pressed);
 
         ext->label = lv_label_create(new_cb, NULL);
         lv_obj_set_style(ext->label, NULL);     /*Inherit the style of the parent*/

lv_objx/lv_chart.c

@@ -86,7 +86,7 @@ lv_obj_t * lv_chart_create(lv_obj_t * par, lv_obj_t * copy)
 
     /*Init the new chart background object*/
     if(copy == NULL) {
-    	lv_obj_set_style(new_chart, lv_style_get(LV_STYLE_PRETTY));
+    	lv_obj_set_style(new_chart, &lv_style_pretty);
     	lv_obj_set_size(new_chart, LV_HOR_RES / 2, LV_VER_RES / 2);
     } else {
     	lv_chart_ext_t * ext_copy = lv_obj_get_ext_attr(copy);
@@ -487,7 +487,7 @@ static void lv_chart_draw_lines(lv_obj_t * chart, const area_t * mask)
 	int32_t y_tmp;
 	lv_chart_dl_t * dl;
 	lv_style_t lines;
-	lv_style_copy(&lines, lv_style_get(LV_STYLE_PLAIN));
+	lv_style_copy(&lines, &lv_style_plain);
 	lines.opa = (uint16_t)((uint16_t)style->opa * ext->dl_opa) >> 8;
     lines.line.width = ext->dl_width;
 
@@ -536,7 +536,7 @@ static void lv_chart_draw_points(lv_obj_t * chart, const area_t * mask)
     lv_chart_dl_t * dl;
     uint8_t dl_cnt = 0;
     lv_style_t style_point;
-    lv_style_copy(&style_point, lv_style_get(LV_STYLE_PLAIN));
+    lv_style_copy(&style_point, &lv_style_plain);
 
 	style_point.body.border.width = 0;
 	style_point.body.empty = 0;
@@ -588,7 +588,7 @@ static void lv_chart_draw_cols(lv_obj_t * chart, const area_t * mask)
 	cord_t col_w = w / ((ext->dl_num + 1) * ext->pnum); /* Suppose + 1 dl as separator*/
 	cord_t x_ofs = col_w / 2; /*Shift with a half col.*/
 
-	lv_style_copy(&rects, lv_style_get(LV_STYLE_PLAIN));
+	lv_style_copy(&rects, &lv_style_plain);
 	rects.body.border.width = 0;
 	rects.body.empty = 0;
 	rects.body.radius = 0;

lv_objx/lv_cont.c

@@ -83,7 +83,7 @@ lv_obj_t * lv_cont_create(lv_obj_t * par, lv_obj_t * copy)
 
     /*Init the new container*/
     if(copy == NULL) {
-		lv_obj_set_style(new_rect, lv_style_get(LV_STYLE_PLAIN));
+		lv_obj_set_style(new_rect, &lv_style_plain);
     }
     /*Copy an existing object*/
     else {

lv_objx/lv_ddlist.c

@@ -74,7 +74,7 @@ lv_obj_t * lv_ddlist_create(lv_obj_t * par, lv_obj_t * copy)
     ext->selected_option_id = 0;
     ext->option_cnt = 0;
     ext->anim_time = LV_DDLIST_DEF_ANIM_TIME;
-    ext->selected_style = lv_style_get(LV_STYLE_PLAIN_COLOR);
+    ext->selected_style = &lv_style_plain_color;
 
     /*The signal and design functions are not copied so set them here*/
     if(ancestor_design_f == NULL) ancestor_design_f = lv_obj_get_design_func(new_ddlist);
@@ -86,14 +86,14 @@ lv_obj_t * lv_ddlist_create(lv_obj_t * par, lv_obj_t * copy)
     if(copy == NULL) {
         lv_obj_t * scrl = lv_page_get_scrl(new_ddlist);
         lv_obj_set_drag(scrl, false);
-        lv_obj_set_style(scrl, lv_style_get(LV_STYLE_TRANSPARENT));
+        lv_obj_set_style(scrl, &lv_style_transp);
         lv_cont_set_fit(scrl, true, true);
 
         ext->options_label = lv_label_create(new_ddlist, NULL);
         lv_cont_set_fit(new_ddlist, true, false);
         lv_page_set_rel_action(new_ddlist, lv_ddlist_rel_action);
         lv_page_set_sb_mode(new_ddlist, LV_PAGE_SB_MODE_DRAG);
-        lv_obj_set_style(new_ddlist, lv_style_get(LV_STYLE_PRETTY));
+        lv_obj_set_style(new_ddlist, &lv_style_pretty);
         lv_ddlist_set_options(new_ddlist, def_options);
     }
     /*Copy an existing drop down list*/

lv_objx/lv_gauge.c

@@ -91,7 +91,7 @@ lv_obj_t * lv_gauge_create(lv_obj_t * par, lv_obj_t * copy)
         lv_lmeter_set_scale(new_gauge, LV_GAUGE_DEF_ANGLE, LV_GAUGE_DEF_SCALE_LINE_COUNT);
         lv_gauge_set_needle_num(new_gauge, 1, NULL);
         lv_obj_set_size(new_gauge, 2 * LV_DPI, 2 * LV_DPI);
-        lv_obj_set_style(new_gauge, lv_style_get(LV_STYLE_PRETTY));
+        lv_obj_set_style(new_gauge, &lv_style_pretty);
     }
     /*Copy an existing gauge*/
     else {
@@ -405,7 +405,7 @@ static void lv_gauge_draw_needle(lv_obj_t * gauge, const area_t * mask)
 
     /*Draw the needle middle area*/
     lv_style_t style_neddle_mid;
-    lv_style_copy(&style_neddle_mid, lv_style_get(LV_STYLE_PLAIN));
+    lv_style_copy(&style_neddle_mid, &lv_style_plain);
     style_neddle_mid.body.color_main = style->body.border.color;
     style_neddle_mid.body.color_gradient = style->body.border.color;
     style_neddle_mid.body.radius = LV_RADIUS_CIRCLE;

lv_objx/lv_img.c

@@ -81,7 +81,7 @@ lv_obj_t * lv_img_create(lv_obj_t * par, lv_obj_t * copy)
 		if(par != NULL) ext->auto_size = 1;
 		else ext->auto_size = 0;
 		if(par != NULL) lv_obj_set_style(new_img, NULL);                 /*Inherit the style  by default*/
-		else lv_obj_set_style(new_img, lv_style_get(LV_STYLE_PLAIN));    /*Set style for screens*/
+		else lv_obj_set_style(new_img, &lv_style_plain);    /*Set style for screens*/
     } else {
         lv_img_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
     	ext->auto_size = copy_ext->auto_size;

lv_objx/lv_led.c

@@ -70,7 +70,7 @@ lv_obj_t * lv_led_create(lv_obj_t * par, lv_obj_t * copy)
 
     /*Init the new led object*/
     if(copy == NULL) {
-    	lv_obj_set_style(new_led, lv_style_get(LV_STYLE_PRETTY_COLOR));
+    	lv_obj_set_style(new_led, &lv_style_pretty_color);
     	lv_obj_set_size(new_led, LV_LED_WIDTH_DEF, LV_LED_HEIGHT_DEF);
     }
     /*Copy an existing object*/

lv_objx/lv_line.c

@@ -67,7 +67,7 @@ lv_obj_t * lv_line_create(lv_obj_t * par, lv_obj_t * copy)
 
     /*Init the new line*/
     if(copy == NULL) {
-	    lv_obj_set_style(new_line, lv_style_get(LV_STYLE_PLAIN));
+	    lv_obj_set_style(new_line, &lv_style_plain);
     }
     /*Copy an existing object*/
     else {

lv_objx/lv_list.c

@@ -68,11 +68,11 @@ lv_obj_t * lv_list_create(lv_obj_t * par, lv_obj_t * copy)
 
     ext->sb_out = 0;
     ext->style_img = NULL;
-    ext->styles_btn[LV_BTN_STATE_OFF_RELEASED] = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->styles_btn[LV_BTN_STATE_OFF_PRESSED] = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
-    ext->styles_btn[LV_BTN_STATE_ON_RELEASED] = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->styles_btn[LV_BTN_STATE_OFF_PRESSED] = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
-    ext->styles_btn[LV_BTN_STATE_INACTIVE] = lv_style_get(LV_STYLE_BUTTON_INACTIVE);
+    ext->styles_btn[LV_BTN_STATE_OFF_RELEASED] = &lv_style_btn_off_released;
+    ext->styles_btn[LV_BTN_STATE_OFF_PRESSED] = &lv_style_btn_off_pressed;
+    ext->styles_btn[LV_BTN_STATE_ON_RELEASED] = &lv_style_btn_on_released;
+    ext->styles_btn[LV_BTN_STATE_OFF_PRESSED] = &lv_style_btn_on_pressed;
+    ext->styles_btn[LV_BTN_STATE_INACTIVE] = &lv_style_btn_inactive;
 
 	lv_obj_set_signal_func(new_list, lv_list_signal);
 
@@ -80,8 +80,8 @@ lv_obj_t * lv_list_create(lv_obj_t * par, lv_obj_t * copy)
     if(copy == NULL) {
     	lv_obj_set_size(new_list, 2 * LV_DPI, 3 * LV_DPI);
 		lv_cont_set_layout(ext->page.scrl, LV_LIST_LAYOUT_DEF);
-		lv_obj_set_style(new_list, lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
-		lv_obj_set_style(lv_page_get_scrl(new_list), lv_style_get(LV_STYLE_PRETTY));
+		lv_obj_set_style(new_list, &lv_style_transp_tight);
+		lv_obj_set_style(lv_page_get_scrl(new_list), &lv_style_pretty);
 		lv_page_set_sb_mode(new_list, LV_PAGE_SB_MODE_AUTO);
     } else {
         lv_list_ext_t * copy_ext = lv_obj_get_ext_attr(copy);

lv_objx/lv_lmeter.c

@@ -69,7 +69,7 @@ lv_obj_t * lv_lmeter_create(lv_obj_t * par, lv_obj_t * copy)
     /*Init the new line meter line meter*/
     if(copy == NULL) {
         lv_obj_set_size(new_lmeter, 1 * LV_DPI, 1 * LV_DPI);
-        lv_obj_set_style(new_lmeter, lv_style_get(LV_STYLE_PRETTY_COLOR));
+        lv_obj_set_style(new_lmeter, &lv_style_pretty_color);
     }
     /*Copy an existing line meter*/
     else {

lv_objx/lv_mbox.c

@@ -65,8 +65,8 @@ lv_obj_t * lv_mbox_create(lv_obj_t * par, lv_obj_t * copy)
     dm_assert(ext);
     ext->txt = NULL;
     ext->btnh = NULL;
-    ext->style_btn_rel = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->style_btn_pr = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
+    ext->style_btn_rel = &lv_style_btn_on_released;
+    ext->style_btn_pr = &lv_style_btn_on_pressed;
     ext->anim_close_time = LV_MBOX_CLOSE_ANIM_TIME;
 
     /*The signal and design functions are not copied so set them here*/
@@ -80,7 +80,7 @@ lv_obj_t * lv_mbox_create(lv_obj_t * par, lv_obj_t * copy)
     	ext->txt = lv_label_create(new_mbox, NULL);
     	lv_label_set_text(ext->txt, "Text of the message box");
 
-    	lv_obj_set_style(new_mbox, lv_style_get(LV_STYLE_PRETTY));
+    	lv_obj_set_style(new_mbox, &lv_style_pretty);
     }
     /*Copy an existing message box*/
     else {
@@ -265,7 +265,7 @@ lv_obj_t * lv_mbox_add_btn(lv_obj_t * mbox, const char * btn_txt, lv_action_t re
     /*Create a button if it is not existed yet*/
     if(ext->btnh == NULL) {
         ext->btnh = lv_cont_create(mbox, NULL);
-        lv_obj_set_style(ext->btnh, lv_style_get(LV_STYLE_TRANSPARENT));
+        lv_obj_set_style(ext->btnh, &lv_style_transp);
         lv_obj_set_click(ext->btnh, false);
         lv_cont_set_fit(ext->btnh, false, true);
         lv_cont_set_layout(ext->btnh, LV_CONT_LAYOUT_PRETTY);

lv_objx/lv_page.c

@@ -70,7 +70,7 @@ lv_obj_t * lv_page_create(lv_obj_t * par, lv_obj_t * copy)
     ext->rel_action = NULL;
     ext->sbh_draw = 0;
     ext->sbv_draw = 0;
-    ext->style_sb = lv_style_get(LV_STYLE_PRETTY);
+    ext->style_sb = &lv_style_pretty;
     ext->sb_width = LV_DPI / 8;     /*Will be modified later*/
     ext->sb_mode = LV_PAGE_SB_MODE_ON;
 
@@ -78,7 +78,7 @@ lv_obj_t * lv_page_create(lv_obj_t * par, lv_obj_t * copy)
 
     /*Init the new page object*/
     if(copy == NULL) {
-    	lv_style_t * style = lv_style_get(LV_STYLE_PRETTY_COLOR);
+    	lv_style_t * style = &lv_style_pretty_color;
 	    ext->scrl = lv_cont_create(new_page, NULL);
 	    if(ancestor_scrl_design_f == NULL) ancestor_scrl_design_f = lv_obj_get_design_func(ext->scrl);
 	    lv_obj_set_signal_func(ext->scrl, lv_page_scrl_signal);
@@ -86,7 +86,7 @@ lv_obj_t * lv_page_create(lv_obj_t * par, lv_obj_t * copy)
 		lv_obj_set_drag_throw(ext->scrl, true);
 		lv_obj_set_protect(ext->scrl, LV_PROTECT_PARENT);
 		lv_cont_set_fit(ext->scrl, false, true);
-		lv_obj_set_style(ext->scrl, lv_style_get(LV_STYLE_PRETTY));
+		lv_obj_set_style(ext->scrl, &lv_style_pretty);
         lv_obj_set_design_func(ext->scrl, lv_scrl_design);
 
 		lv_page_set_sb_width(new_page, style->body.padding.hor);

lv_objx/lv_slider.c

@@ -64,7 +64,7 @@ lv_obj_t * lv_slider_create(lv_obj_t * par, lv_obj_t * copy)
     /*Initialize the allocated 'ext' */
     ext->cb = NULL;
     ext->tmp_value = ext->bar.min_value;
-    ext->style_knob = lv_style_get(LV_STYLE_PRETTY);
+    ext->style_knob = &lv_style_pretty;
     ext->knob_in = 0;
 
     /* Save the bar design function.

lv_objx/lv_ta.c

@@ -109,9 +109,9 @@ lv_obj_t * lv_ta_create(lv_obj_t * par, lv_obj_t * copy)
     	lv_label_set_text(ext->label, "Text area");
     	lv_page_glue_obj(ext->label, true);
     	lv_obj_set_click(ext->label, false);
-    	lv_obj_set_style(new_ta, lv_style_get(LV_STYLE_PRETTY));
+    	lv_obj_set_style(new_ta, &lv_style_pretty);
         lv_page_set_sb_mode(new_ta, LV_PAGE_SB_MODE_AUTO);
-        lv_obj_set_style(lv_page_get_scrl(new_ta), lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+        lv_obj_set_style(lv_page_get_scrl(new_ta), &lv_style_transp_tight);
     	lv_obj_set_size(new_ta, LV_TA_DEF_WIDTH, LV_TA_DEF_HEIGHT);
     }
     /*Copy an existing object*/

lv_objx/lv_tabview.c

@@ -88,7 +88,7 @@ lv_obj_t * lv_tabview_create(lv_obj_t * par, lv_obj_t * copy)
     /*Init the new tab tab*/
     if(copy == NULL) {
         lv_obj_set_size(new_tabview, LV_HOR_RES, LV_VER_RES);
-        lv_obj_set_style(new_tabview, lv_style_get(LV_STYLE_PLAIN));
+        lv_obj_set_style(new_tabview, &lv_style_plain);
 
         ext->tabs = lv_btnm_create(new_tabview, NULL);
         lv_btnm_set_map(ext->tabs, tab_def);
@@ -106,7 +106,7 @@ lv_obj_t * lv_tabview_create(lv_obj_t * par, lv_obj_t * copy)
         lv_cont_set_fit(ext->content, true, false);
         lv_cont_set_layout(ext->content, LV_CONT_LAYOUT_ROW_T);
         lv_obj_set_height(ext->content, LV_VER_RES);
-        lv_obj_set_style(ext->content, lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+        lv_obj_set_style(ext->content, &lv_style_transp_tight);
         lv_obj_align(ext->content, ext->tabs, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 0);
     }
     /*Copy an existing tab*/
@@ -187,8 +187,8 @@ lv_obj_t * lv_tabview_add_tab(lv_obj_t * tabview, const char * name)
     /*Create the container page*/
     lv_obj_t * h = lv_page_create(ext->content, NULL);
     lv_obj_set_size(h, lv_obj_get_width(tabview), lv_obj_get_height(tabview) - lv_obj_get_height(ext->tabs));
-    lv_obj_set_style(h, lv_style_get(LV_STYLE_PLAIN));
-    lv_obj_set_style(lv_page_get_scrl(h), lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+    lv_obj_set_style(h, &lv_style_plain);
+    lv_obj_set_style(lv_page_get_scrl(h), &lv_style_transp_tight);
     lv_obj_set_signal_func(h, tabpage_signal);
     lv_page_set_sb_mode(h, LV_PAGE_SB_MODE_AUTO);
     if(page_scrl_signal == NULL) page_scrl_signal = lv_obj_get_signal_func(lv_page_get_scrl(h));

lv_objx/lv_win.c

@@ -62,25 +62,25 @@ lv_obj_t * lv_win_create(lv_obj_t * par, lv_obj_t * copy)
     ext->btnh = NULL;
     ext->header = NULL;
     ext->title = NULL;
-    ext->style_header = lv_style_get(LV_STYLE_PLAIN_COLOR);
-    ext->style_cbtn_rel = lv_style_get(LV_STYLE_BUTTON_ON_RELEASED);
-    ext->style_cbtn_pr = lv_style_get(LV_STYLE_BUTTON_ON_PRESSED);
+    ext->style_header = &lv_style_plain_color;
+    ext->style_cbtn_rel = &lv_style_btn_on_released;
+    ext->style_cbtn_pr = &lv_style_btn_on_pressed;
     ext->cbtn_size = ( LV_DPI) / 2;
 
     /*Init the new window object*/
     if(copy == NULL) {
         lv_obj_set_size(new_win, LV_HOR_RES, LV_VER_RES);
         lv_obj_set_pos(new_win, 0, 0);
-        lv_obj_set_style(new_win, lv_style_get(LV_STYLE_PLAIN));
+        lv_obj_set_style(new_win, &lv_style_plain);
 
         ext->page = lv_page_create(new_win, NULL);
         lv_obj_set_protect(ext->page, LV_PROTECT_PARENT);
-        lv_obj_set_style(ext->page, lv_style_get(LV_STYLE_PLAIN));
+        lv_obj_set_style(ext->page, &lv_style_plain);
         lv_page_set_sb_mode(ext->page, LV_PAGE_SB_MODE_AUTO);
 
         lv_obj_t * scrl = lv_page_get_scrl(ext->page);
         lv_cont_set_fit(scrl, false, true);
-        lv_obj_set_style(scrl, lv_style_get(LV_STYLE_TRANSPARENT));
+        lv_obj_set_style(scrl, &lv_style_transp);
 
     	/*Create a holder for the header*/
     	ext->header = lv_cont_create(new_win, NULL);
@@ -88,7 +88,7 @@ lv_obj_t * lv_win_create(lv_obj_t * par, lv_obj_t * copy)
     	/*Move back the header because it is automatically moved to the scrollable */
     	lv_obj_set_protect(ext->header, LV_PROTECT_PARENT);
     	lv_obj_set_parent(ext->header, new_win);
-    	lv_obj_set_style(ext->header, lv_style_get(LV_STYLE_PLAIN_COLOR));
+    	lv_obj_set_style(ext->header, &lv_style_plain_color);
 
     	/*Create a title on the header*/
     	ext->title = lv_label_create(ext->header, NULL);
@@ -97,7 +97,7 @@ lv_obj_t * lv_win_create(lv_obj_t * par, lv_obj_t * copy)
     	/*Create a holder for the control buttons*/
     	ext->btnh = lv_cont_create(ext->header, NULL);
     	lv_cont_set_fit(ext->btnh, true, false);
-        lv_obj_set_style(ext->btnh, lv_style_get(LV_STYLE_TRANSPARENT_TIGHT));
+        lv_obj_set_style(ext->btnh, &lv_style_transp_tight);
     	lv_cont_set_layout(ext->btnh, LV_CONT_LAYOUT_ROW_M);
 
         lv_obj_set_signal_func(new_win, lv_win_signal);