ci: upgrade astyle tool (#4776)

Install from source to use the latest version

.github/workflows/check_style.yml

@@ -13,11 +13,17 @@ jobs:
         with:
           persist-credentials: false
           fetch-depth: 0
+      - name: Checkout astyle
+        uses: actions/checkout@v4
+        with:
+          repository: szepeviktor/astyle
+          path: astyle
       - name: Install astyle
         run: |
-          sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe restricted multiverse"
-          sudo apt-get update -y -qq
-          sudo apt-get install astyle
+          cd astyle/build/gcc/
+          make
+          sudo make install
+          astyle --version
       - name: Format code
         run: python code-format.py
         working-directory: scripts

demos/benchmark/lv_demo_benchmark.c

@@ -141,7 +141,6 @@ static void rotated_argb_image_cb(void)
     lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
     lv_obj_set_style_pad_row(lv_screen_active(), 20, 0);
 
-
     LV_IMG_DECLARE(img_benchmark_cogwheel_argb);
     uint32_t hor_cnt = (lv_display_get_horizontal_resolution(NULL) - 16) / 116;
     uint32_t ver_cnt = (lv_display_get_vertical_resolution(NULL) - 116) / 116;
@@ -233,7 +232,6 @@ static void multiple_arcs_cb(void)
     }
 }
 
-
 static void containers_cb(void)
 {
 
@@ -416,7 +414,6 @@ void lv_demo_benchmark(void)
  *   STATIC FUNCTIONS
  **********************/
 
-
 static void load_scene(uint32_t scene)
 {
     lv_obj_t * scr = lv_screen_active();
@@ -429,7 +426,6 @@ static void load_scene(uint32_t scene)
     lv_obj_set_layout(scr, LV_LAYOUT_NONE);
     lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
 
-
     lv_anim_delete(scr, scroll_anim_y_cb);
     lv_anim_delete(scr, shake_anim_y_cb);
     lv_anim_delete(scr, color_anim_cb);
@@ -441,8 +437,6 @@ static void load_scene(uint32_t scene)
     if(scenes[scene].create_cb) scenes[scene].create_cb();
 }
 
-
-
 static void next_scene_timer_cb(lv_timer_t * timer)
 {
     LV_UNUSED(timer);
@@ -477,7 +471,6 @@ static void sysmon_perf_observer_cb(lv_subject_t * subject, lv_observer_t * obse
  * SCENE HELPERS
  *----------------*/
 
-
 static void color_anim_cb(void * var, int32_t v)
 {
     LV_UNUSED(v);
@@ -558,7 +551,6 @@ static void shake_anim(lv_obj_t * obj, int32_t y_max)
     lv_anim_start(&a);
 }
 
-
 static lv_obj_t * card_create(void)
 {
     lv_obj_t * panel = lv_obj_create(lv_screen_active());
@@ -586,8 +578,6 @@ static lv_obj_t * card_create(void)
     child = lv_label_create(child);
     lv_label_set_text(child, "Connect");
 
-
-
     return panel;
 }
 

demos/flex_layout/lv_demo_flex_layout_ctrl_pad.c

@@ -25,7 +25,6 @@
 #define SPINBOX_EVENT_ATTACH(item)  \
     lv_obj_add_event(ui->ctrl_pad.tab.layout.spinbox_##item, ctrl_pad_spinbox_event_handler, LV_EVENT_VALUE_CHANGED, ui);
 
-
 /**********************
  *      TYPEDEFS
  **********************/

demos/music/lv_demo_music_list.c

@@ -226,7 +226,6 @@ static lv_obj_t * add_list_button(lv_obj_t * parent, uint32_t track_id)
     return btn;
 }
 
-
 static void btn_click_event_cb(lv_event_t * e)
 {
     lv_obj_t * btn = lv_event_get_target(e);
@@ -252,4 +251,3 @@ static void list_delete_event_cb(lv_event_t * e)
     }
 }
 #endif /*LV_USE_DEMO_MUSIC*/
-

demos/music/lv_demo_music_main.c

@@ -1000,7 +1000,6 @@ static void next_click_event_cb(lv_event_t * e)
     }
 }
 
-
 static void timer_cb(lv_timer_t * t)
 {
     LV_UNUSED(t);
@@ -1015,7 +1014,6 @@ static void spectrum_end_cb(lv_anim_t * a)
     _lv_demo_music_album_next(true);
 }
 
-
 static void stop_start_anim(lv_timer_t * t)
 {
     LV_UNUSED(t);
@@ -1028,4 +1026,3 @@ static void album_fade_anim_cb(void * var, int32_t v)
     lv_obj_set_style_image_opa(var, v, 0);
 }
 #endif /*LV_USE_DEMO_MUSIC*/
-

demos/music/lv_demo_music_main.h

@@ -38,7 +38,6 @@ void _lv_demo_music_album_next(bool next);
  **********************/
 #endif /*LV_USE_DEMO_MUSIC*/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

demos/render/lv_demo_render.c

@@ -274,7 +274,6 @@ static void box_shadow_cb(lv_obj_t * parent)
     }
 }
 
-
 static lv_obj_t * text_obj_create(lv_obj_t * parent, int32_t col, int32_t row)
 {
 
@@ -311,7 +310,6 @@ static void text_cb(lv_obj_t * parent)
     obj = text_obj_create(parent, 3, 5);
     lv_obj_set_style_text_decor(obj, LV_TEXT_DECOR_UNDERLINE | LV_TEXT_DECOR_STRIKETHROUGH, 0);
 
-
 }
 
 static lv_obj_t * image_obj_create(lv_obj_t * parent, int32_t col, int32_t row, bool recolor)
@@ -395,7 +393,6 @@ static void image_core_cb(lv_obj_t * parent, bool recolor)
     }
 }
 
-
 static void image_normal_cb(lv_obj_t * parent)
 {
     image_core_cb(parent, false);
@@ -406,7 +403,6 @@ static void image_recolored_cb(lv_obj_t * parent)
     image_core_cb(parent, true);
 }
 
-
 static lv_obj_t * line_obj_create(lv_obj_t * parent, int32_t col, int32_t row, lv_point_precise_t p[])
 {
     lv_obj_t * obj = lv_line_create(parent);
@@ -537,7 +533,6 @@ static void triangle_draw_event_cb(lv_event_t * e)
     lv_draw_triangle(lv_event_get_layer(e), &dsc);
 }
 
-
 static lv_obj_t * triangle_obj_create(lv_obj_t * parent, int32_t col, int32_t row, lv_point_t p[])
 {
     lv_obj_t * obj = lv_arc_create(parent);
@@ -612,7 +607,6 @@ static void triangle_cb(lv_obj_t * parent)
     }
 }
 
-
 static lv_obj_t * layer_obj_create(lv_obj_t * parent, int32_t col, int32_t row, lv_blend_mode_t blend_mode)
 {
     lv_obj_t * obj = lv_obj_create(parent);
@@ -761,7 +755,6 @@ void lv_demo_render(lv_demo_render_scene_t id, lv_opa_t opa)
     if(scenes[id].create_cb) scenes[id].create_cb(main_parent);
 }
 
-
 const char * lv_demo_render_get_scene_name(lv_demo_render_scene_t id)
 {
     if(id > _LV_DEMO_RENDER_SCENE_NUM) return NULL;

demos/scroll/lv_demo_scroll.c

@@ -65,7 +65,6 @@ void lv_demo_scroll(void)
     switch_create(panel, "Elastic scroll", LV_OBJ_FLAG_SCROLL_ELASTIC, true);
     switch_create(panel, "Add scroll momentum", LV_OBJ_FLAG_SCROLL_MOMENTUM, true);
 
-
     /*Show the switches first*/
     lv_obj_move_foreground(list);
 

demos/stress/lv_demo_stress.c

@@ -88,7 +88,6 @@ static void obj_test_task_cb(lv_timer_t * tmr)
             lv_obj_set_size(main_page, LV_HOR_RES / 2, LV_VER_RES);
             lv_obj_set_flex_flow(main_page, LV_FLEX_FLOW_COLUMN);
 
-
             obj = lv_button_create(main_page);
             lv_obj_set_size(obj, 100, 70);
             obj = lv_label_create(obj);

demos/widgets/lv_demo_widgets.c

@@ -211,7 +211,6 @@ void lv_demo_widgets(void)
     color_changer_create(tv);
 }
 
-
 void lv_demo_widgets_start_slideshow(void)
 {
     lv_obj_update_layout(tv);
@@ -378,7 +377,6 @@ static void profile_create(lv_obj_t * parent)
             LV_GRID_TEMPLATE_LAST
         };
 
-
         lv_obj_set_grid_dsc_array(parent, grid_main_col_dsc, grid_main_row_dsc);
 
         lv_obj_set_grid_cell(panel1, LV_GRID_ALIGN_STRETCH, 0, 2, LV_GRID_ALIGN_CENTER, 0, 1);
@@ -406,7 +404,6 @@ static void profile_create(lv_obj_t * parent)
         lv_obj_set_grid_cell(gender, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 6, 1);
         lv_obj_set_grid_cell(gender_label, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_START, 5, 1);
 
-
         lv_obj_set_grid_cell(panel3, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_STRETCH, 1, 1);
         lv_obj_set_grid_dsc_array(panel3, grid_2_col_dsc, grid_2_row_dsc);
         lv_obj_set_grid_cell(panel3_title, LV_GRID_ALIGN_START, 0, 2, LV_GRID_ALIGN_CENTER, 0, 1);
@@ -421,7 +418,6 @@ static void profile_create(lv_obj_t * parent)
         static int32_t grid_main_col_dsc[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
         static int32_t grid_main_row_dsc[] = {LV_GRID_CONTENT, LV_GRID_CONTENT, LV_GRID_TEMPLATE_LAST};
 
-
         /*Create the top panel*/
         static int32_t grid_1_col_dsc[] = {LV_GRID_CONTENT, 1, LV_GRID_CONTENT, LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
         static int32_t grid_1_row_dsc[] = {
@@ -449,7 +445,6 @@ static void profile_create(lv_obj_t * parent)
             LV_GRID_TEMPLATE_LAST
         };
 
-
         lv_obj_set_grid_dsc_array(parent, grid_main_col_dsc, grid_main_row_dsc);
         lv_obj_set_grid_cell(panel1, LV_GRID_ALIGN_STRETCH, 0, 2, LV_GRID_ALIGN_CENTER, 0, 1);
 
@@ -494,7 +489,6 @@ static void profile_create(lv_obj_t * parent)
         static int32_t grid_main_row_dsc[] = {LV_GRID_CONTENT, LV_GRID_CONTENT, LV_GRID_CONTENT, LV_GRID_TEMPLATE_LAST};
         lv_obj_set_grid_dsc_array(parent, grid_main_col_dsc, grid_main_row_dsc);
 
-
         /*Create the top panel*/
         static int32_t grid_1_col_dsc[] = {LV_GRID_CONTENT, LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
         static int32_t grid_1_row_dsc[] = {LV_GRID_CONTENT, /*Avatar*/
@@ -509,7 +503,6 @@ static void profile_create(lv_obj_t * parent)
 
         lv_obj_set_grid_dsc_array(panel1, grid_1_col_dsc, grid_1_row_dsc);
 
-
         static int32_t grid_2_col_dsc[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
         static int32_t grid_2_row_dsc[] = {
             LV_GRID_CONTENT,  /*Title*/
@@ -564,7 +557,6 @@ static void profile_create(lv_obj_t * parent)
     }
 }
 
-
 static lv_obj_t * create_chart_with_scales(lv_obj_t * parent, const char * title,  const char * hor_text[])
 {
     static const int32_t col_dsc[] = {40, LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
@@ -625,7 +617,6 @@ static void analytics_create(lv_obj_t * parent)
     lv_obj_set_style_max_height(chart1_cont, 300, 0);
     lv_obj_set_flex_grow(chart1_cont, 1);
 
-
     static const char * chart1_texts[] = {"Jan", "Feb", "March", "April", "May", "Jun", "July", "Aug", "Sept", "Oct", "Nov", "Dec", NULL};
     chart1 = create_chart_with_scales(chart1_cont, "Unique visitors", chart1_texts);
 
@@ -641,7 +632,6 @@ static void analytics_create(lv_obj_t * parent)
     lv_obj_set_flex_grow(chart2_cont, 1);
     lv_obj_add_flag(chart2_cont, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
 
-
     static const char * chart2_texts[] = {"I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", "X", "XI", "XII", NULL};
     chart2 = create_chart_with_scales(chart2_cont, "Monthly revenue", chart2_texts);
     lv_chart_set_type(chart2, LV_CHART_TYPE_BAR);
@@ -925,7 +915,6 @@ void shop_create(lv_obj_t * parent)
         lv_obj_set_size(chart3, lv_pct(100), lv_pct(100));
         lv_obj_set_style_pad_column(chart3, LV_DPX(30), 0);
 
-
         lv_obj_set_grid_dsc_array(panel1, grid1_col_dsc, grid1_row_dsc);
         lv_obj_set_grid_cell(title, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_START, 0, 1);
         lv_obj_set_grid_cell(date, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_START, 1, 1);
@@ -1041,7 +1030,6 @@ void shop_create(lv_obj_t * parent)
     cb = lv_checkbox_create(notifications);
     lv_checkbox_set_text(cb, "Out of stock");
 
-
 }
 
 static void color_changer_create(lv_obj_t * parent)
@@ -1549,13 +1537,11 @@ static void chart_event_cb(lv_event_t * e)
     }
 }
 
-
 static void shop_chart_event_cb(lv_event_t * e)
 {
     LV_UNUSED(e);
 }
 
-
 static void scale1_indic1_anim_cb(void * var, int32_t v)
 {
     lv_arc_set_value(var, v);
@@ -1573,7 +1559,6 @@ static void scale2_timer_cb(lv_timer_t * timer)
     static bool down2 = false;
     static bool down3 = false;
 
-
     if(down1) {
         session_desktop -= 137;
         if(session_desktop < 1400) down1 = false;

examples/anim/lv_example_anim_1.c

@@ -43,7 +43,6 @@ void lv_example_anim_1(void)
     lv_label_set_text(label, "Hello animations!");
     lv_obj_set_pos(label, 100, 10);
 
-
     lv_obj_t * sw = lv_switch_create(lv_screen_active());
     lv_obj_center(sw);
     lv_obj_add_state(sw, LV_STATE_CHECKED);

examples/anim/lv_example_anim_2.c

@@ -1,7 +1,6 @@
 #include "../lv_examples.h"
 #if LV_BUILD_EXAMPLES && LV_USE_SWITCH
 
-
 static void anim_x_cb(void * var, int32_t v)
 {
     lv_obj_set_x(var, v);

examples/layouts/grid/lv_example_grid_2.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_GRID && LV_BUILD_EXAMPLES
 
-
 /**
  * Demonstrate cell placement and span
  */

examples/layouts/grid/lv_example_grid_4.c

@@ -9,7 +9,6 @@ void lv_example_grid_4(void)
     static int32_t col_dsc[] = {60, 60, 60, LV_GRID_TEMPLATE_LAST};
     static int32_t row_dsc[] = {45, 45, 45, LV_GRID_TEMPLATE_LAST};
 
-
     /*Add space between the columns and move the rows to the bottom (end)*/
 
     /*Create a container with grid*/

examples/libs/ffmpeg/lv_example_ffmpeg_1.c

@@ -2,7 +2,6 @@
 #if LV_BUILD_EXAMPLES
 #if LV_USE_FFMPEG
 
-
 /**
  * Open an image from a file
  */

examples/libs/gif/img_bulb_gif.c

@@ -1,6 +1,5 @@
 #include "../../../lvgl.h"
 
-
 #ifndef LV_ATTRIBUTE_MEM_ALIGN
     #define LV_ATTRIBUTE_MEM_ALIGN
 #endif

examples/libs/lodepng/img_wink_png.c

@@ -1,7 +1,6 @@
 #include "../../../lvgl.h"
 #if LV_USE_LODEPNG && LV_BUILD_EXAMPLES
 
-
 #ifndef LV_ATTRIBUTE_MEM_ALIGN
     #define LV_ATTRIBUTE_MEM_ALIGN
 #endif

examples/libs/tiny_ttf/lv_example_tiny_ttf_3.c

@@ -32,7 +32,6 @@ void lv_example_tiny_ttf_3(void)
     lv_obj_align_to(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
     lv_label_bind_text(slider_label, &subject_font, "%d");
 
-
     /*Create a label with the new style*/
     lv_obj_t * label = lv_label_create(lv_screen_active());
     lv_obj_add_style(label, &style, 0);
@@ -40,7 +39,6 @@ void lv_example_tiny_ttf_3(void)
     lv_label_set_text(label, "Hello world!");
     lv_obj_center(label);
 
-
     lv_subject_add_observer(&subject_font, font_size_observer_cb, &style);
 }
 

examples/others/file_explorer/lv_example_file_explorer_3.c

@@ -20,7 +20,6 @@ static void exch_table_item(lv_obj_t * tb, int16_t i, int16_t j)
     lv_table_set_cell_value(tb, j, 1, lv_table_get_cell_value(tb, 0, 2));
 }
 
-
 /*Quick sort 3 way*/
 static void sort_by_file_kind(lv_obj_t * tb, int16_t lo, int16_t hi)
 {
@@ -43,7 +42,6 @@ static void sort_by_file_kind(lv_obj_t * tb, int16_t lo, int16_t hi)
     sort_by_file_kind(tb, gt + 1, hi);
 }
 
-
 static void file_explorer_event_handler(lv_event_t * e)
 {
     lv_event_code_t code = lv_event_get_code(e);

examples/others/fragment/lv_example_fragment_1.c

@@ -37,7 +37,6 @@ void lv_example_fragment_1(void)
     lv_fragment_manager_replace(manager, fragment, &root);
 }
 
-
 static void sample_fragment_ctor(lv_fragment_t * self, void * args)
 {
     ((struct sample_fragment_t *) self)->name = args;

examples/others/fragment/lv_example_fragment_2.c

@@ -66,7 +66,6 @@ void lv_example_fragment_2(void)
     lv_obj_add_event(pop_btn, sample_pop_click, LV_EVENT_CLICKED, manager);
 }
 
-
 static void sample_fragment_ctor(lv_fragment_t * self, void * args)
 {
     LV_UNUSED(args);

examples/others/gridnav/lv_example_gridnav_2.c

@@ -16,7 +16,6 @@ void lv_example_gridnav_2(void)
     lv_obj_set_style_bg_color(list1, lv_palette_lighten(LV_PALETTE_BLUE, 5), LV_STATE_FOCUSED);
     lv_group_add_obj(lv_group_get_default(), list1);
 
-
     char buf[32];
     uint32_t i;
     for(i = 0; i < 15; i++) {

examples/others/gridnav/lv_example_gridnav_3.c

@@ -46,7 +46,6 @@ void lv_example_gridnav_3(void)
     label = lv_label_create(btn);
     lv_label_set_text(label, "Button 2");
 
-
     /*Create an other container with long text to show how LV_GRIDNAV_CTRL_SCROLL_FIRST works*/
     lv_obj_t * cont_sub1 = lv_obj_create(cont_main);
     lv_obj_set_size(cont_sub1, lv_pct(100), 100);
@@ -93,9 +92,6 @@ void lv_example_gridnav_3(void)
     label = lv_label_create(btn);
     lv_label_set_text(label, "Button 4");
 
-
-
-
 }
 
 #endif

examples/others/gridnav/lv_example_gridnav_4.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_GRIDNAV && LV_USE_FLEX && LV_BUILD_EXAMPLES
 
-
 static void event_handler(lv_event_t * e)
 {
     lv_obj_t * obj = lv_event_get_target(e);

examples/others/observer/lv_example_observer_1.c

@@ -21,5 +21,4 @@ void lv_example_observer_1(void)
     lv_label_bind_text(label, &temperature_subject, "%d °C");
 }
 
-
 #endif

examples/others/observer/lv_example_observer_2.c

@@ -18,7 +18,6 @@ void lv_example_observer_2(void)
     ui_init();
 }
 
-
 /*--------------------------------------------------
  * APPLICATION
  *

examples/others/observer/lv_example_observer_3.c

@@ -60,14 +60,12 @@ void lv_example_observer_3(void)
     lv_obj_t * set_label = lv_label_create(set_btn);
     lv_label_set_text(set_label, "Set");
 
-
     /*Update some subjects to see if the UI is updated as well*/
     lv_subject_set_int(&hour_subject, 9);
     lv_subject_set_int(&minute_subject, 30);
     lv_subject_set_int(&am_pm_subject, TIME_PM);
 }
 
-
 static void set_btn_clicked_event_cb(lv_event_t * e)
 {
     lv_obj_t * set_btn = lv_event_get_target(e);

examples/others/observer/lv_example_observer_4.c

@@ -149,7 +149,6 @@ static void cont_observer_cb(lv_subject_t * subject, lv_observer_t * observer)
 
 }
 
-
 static void btn_create(lv_obj_t * parent, const char * text)
 {
     lv_obj_t * btn = lv_button_create(parent);

examples/others/observer/lv_example_observer_6.c

@@ -6,7 +6,6 @@ typedef enum {
     THEME_MODE_DARK,
 } theme_mode_t;
 
-
 static lv_obj_t * my_panel_create(lv_obj_t * parent);
 static lv_obj_t * my_button_create(lv_obj_t * parent, const char * text, lv_event_cb_t event_cb);
 static void switch_theme_event_cb(lv_event_t * e);
@@ -45,7 +44,6 @@ static void switch_theme_event_cb(lv_event_t * e)
     else lv_subject_set_int(&theme_subject, THEME_MODE_LIGHT);
 }
 
-
 /*-----------------------------------------
  * my_panel.c
  *

examples/porting/lv_port_indev_template.c

@@ -80,7 +80,6 @@ void lv_port_indev_init(void)
      *  You should shape them according to your hardware
      */
 
-
     /*------------------
      * Touchpad
      * -----------------*/
@@ -122,7 +121,6 @@ void lv_port_indev_init(void)
     lv_indev_set_type(indev_keypad, LV_INDEV_TYPE_KEYPAD);
     lv_indev_set_read_cb(indev_keypad, keypad_read);
 
-
     /*Later you should create group(s) with `lv_group_t * group = lv_group_create()`,
      *add objects to the group with `lv_group_add_obj(group, obj)`
      *and assign this input device to group to navigate in it:

examples/scroll/lv_example_scroll.h

@@ -32,7 +32,6 @@ void lv_example_scroll_4(void);
 void lv_example_scroll_5(void);
 void lv_example_scroll_6(void);
 
-
 /**********************
  *      MACROS
  **********************/

examples/scroll/lv_example_scroll_4.c

@@ -1,7 +1,6 @@
 #include "../lv_examples.h"
 #if LV_BUILD_EXAMPLES && LV_USE_LIST
 
-
 /**
  * Styling the scrollbars
  */
@@ -28,7 +27,6 @@ void lv_example_scroll_4(void)
                       "Fusce molestie rhoncus nisi sit amet tincidunt. \n"
                       "Suspendisse a nunc ut magna ornare volutpat.");
 
-
     /*Remove the style of scrollbar to have clean start*/
     lv_obj_remove_style(obj, NULL, LV_PART_SCROLLBAR | LV_STATE_ANY);
 

examples/scroll/lv_example_scroll_5.c

@@ -1,7 +1,6 @@
 #include "../lv_examples.h"
 #if LV_BUILD_EXAMPLES && LV_FONT_DEJAVU_16_PERSIAN_HEBREW
 
-
 /**
  * Scrolling with Right To Left base direction
  */

examples/styles/lv_example_style_14.c

@@ -1,7 +1,6 @@
 #include "../lv_examples.h"
 #if LV_BUILD_EXAMPLES && LV_USE_IMG
 
-
 static lv_style_t style_btn;
 
 /*Will be called when the styles of the base theme are already added
@@ -36,8 +35,6 @@ static void new_theme_init_and_set(void)
     lv_display_set_theme(NULL, &th_new);
 }
 
-
-
 /**
  * Extending the current theme
  */

examples/styles/lv_example_style_15.c

@@ -1,8 +1,6 @@
 #include "../lv_examples.h"
 #if LV_BUILD_EXAMPLES && LV_USE_BTN && LV_USE_LABEL
 
-
-
 /**
  * Opacity and Transformations
  */

examples/widgets/arc/lv_example_arc_2.c

@@ -30,8 +30,6 @@ void lv_example_arc_2(void)
     lv_anim_set_values(&a, 0, 100);
     lv_anim_start(&a);
 
-
-
 }
 
 #endif

examples/widgets/bar/lv_example_bar_3.c

@@ -36,5 +36,4 @@ void lv_example_bar_3(void)
     lv_anim_start(&a);
 }
 
-
 #endif

examples/widgets/bar/lv_example_bar_5.c

@@ -8,7 +8,6 @@ void lv_example_bar_5(void)
 {
     lv_obj_t * label;
 
-
     lv_obj_t * bar_ltr = lv_bar_create(lv_screen_active());
     lv_obj_set_size(bar_ltr, 200, 20);
     lv_bar_set_value(bar_ltr, 70, LV_ANIM_OFF);

examples/widgets/bar/lv_example_bar_7.c

@@ -8,7 +8,6 @@ void lv_example_bar_7(void)
 {
     lv_obj_t * label;
 
-
     lv_obj_t * bar_tob = lv_bar_create(lv_screen_active());
     lv_obj_set_size(bar_tob, 20, 200);
     lv_bar_set_range(bar_tob, 100, 0);

examples/widgets/btnmatrix/lv_example_btnmatrix_1.c

@@ -13,7 +13,6 @@ static void event_handler(lv_event_t * e)
     }
 }
 
-
 static const char * btnm_map[] = {"1", "2", "3", "4", "5", "\n",
                                   "6", "7", "8", "9", "0", "\n",
                                   "Action1", "Action2", ""

examples/widgets/btnmatrix/lv_example_btnmatrix_2.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_BTNMATRIX && LV_BUILD_EXAMPLES
 
-
 static void event_cb(lv_event_t * e)
 {
     lv_obj_t * obj = lv_event_get_target(e);

examples/widgets/btnmatrix/lv_example_btnmatrix_3.c

@@ -34,7 +34,6 @@ void lv_example_buttonmatrix_3(void)
     lv_style_set_radius(&style_bg, LV_RADIUS_CIRCLE);
     lv_style_set_border_width(&style_bg, 0);
 
-
     static lv_style_t style_btn;
     lv_style_init(&style_btn);
     lv_style_set_radius(&style_btn, 0);

examples/widgets/canvas/lv_example_canvas_1.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_CANVAS && LV_BUILD_EXAMPLES
 
-
 #define CANVAS_WIDTH  200
 #define CANVAS_HEIGHT  150
 
@@ -35,14 +34,12 @@ void lv_example_canvas_1(void)
     lv_obj_center(canvas);
     lv_canvas_fill_bg(canvas, lv_palette_lighten(LV_PALETTE_GREY, 3), LV_OPA_COVER);
 
-
     lv_layer_t layer;
     lv_canvas_init_layer(canvas, &layer);
 
     lv_area_t coords_rect = {30, 20, 100, 70};
     lv_draw_rect(&layer, &rect_dsc, &coords_rect);
 
-
     lv_area_t coords_text = {40, 80, 100, 120};
     lv_draw_label(&layer, &label_dsc, &coords_text);
 

examples/widgets/canvas/lv_example_canvas_7.c

@@ -35,6 +35,5 @@ void lv_example_canvas_7(void)
 
     lv_canvas_finish_layer(canvas, &layer);
 
-
 }
 #endif

examples/widgets/chart/lv_example_chart_3.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_CHART && LV_BUILD_EXAMPLES
 
-
 static void event_cb(lv_event_t * e)
 {
     lv_event_code_t code = lv_event_get_code(e);

examples/widgets/chart/lv_example_chart_4.c

@@ -19,7 +19,6 @@ static void draw_event_cb(lv_event_t * e)
     }
 }
 
-
 /**
  * Recolor the bars of a chart based on their value
  */

examples/widgets/chart/lv_example_chart_5.c

@@ -54,7 +54,6 @@ static void add_faded_area(lv_event_t * e)
     lv_draw_task_t * draw_task = lv_event_get_draw_task(e);
     lv_draw_dsc_base_t * base_dsc = draw_task->draw_dsc;
 
-
     const lv_chart_series_t * ser = lv_chart_get_series_next(obj, NULL);
 
     /*Draw a triangle below the line witch some opacity gradient*/

examples/widgets/chart/lv_example_chart_8.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_CHART && LV_DRAW_SW_COMPLEX && LV_BUILD_EXAMPLES
 
-
 static void add_data(lv_timer_t * t)
 {
     lv_obj_t * chart = t->user_data;

examples/widgets/checkbox/lv_example_checkbox_2.c

@@ -24,7 +24,6 @@ static void radio_event_handler(lv_event_t * e)
     LV_LOG_USER("Selected radio buttons: %d, %d", (int)active_index_1, (int)active_index_2);
 }
 
-
 static void radiobutton_create(lv_obj_t * parent, const char * txt)
 {
     lv_obj_t * obj = lv_checkbox_create(parent);
@@ -44,7 +43,6 @@ void lv_example_checkbox_2(void)
      * A variable is passed as event user data where the index of the active
      * radiobutton is saved */
 
-
     lv_style_init(&style_radio);
     lv_style_set_radius(&style_radio, LV_RADIUS_CIRCLE);
 
@@ -82,5 +80,4 @@ void lv_example_checkbox_2(void)
     lv_obj_add_state(lv_obj_get_child(cont2, 0), LV_STATE_CHECKED);
 }
 
-
 #endif

examples/widgets/dropdown/lv_example_dropdown_2.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_DROPDOWN && LV_BUILD_EXAMPLES
 
-
 /**
  * Create a drop down, up, left and right menus
  */

examples/widgets/img/lv_example_img_1.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_IMG && LV_BUILD_EXAMPLES
 
-
 void lv_example_image_1(void)
 {
     LV_IMAGE_DECLARE(img_cogwheel_argb);

examples/widgets/img/lv_example_img_2.c

@@ -7,7 +7,6 @@ static void slider_event_cb(lv_event_t * e);
 static lv_obj_t * red_slider, * green_slider, * blue_slider, * intense_slider;
 static lv_obj_t * img1;
 
-
 /**
  * Demonstrate runtime image re-coloring
  */

examples/widgets/img/lv_example_img_3.c

@@ -11,7 +11,6 @@ static void set_zoom(void * img, int32_t v)
     lv_image_set_zoom(img, v);
 }
 
-
 /**
  * Show transformations (zoom and rotation) using a pivot point.
  */

examples/widgets/list/lv_example_list_2.c

@@ -1,6 +1,5 @@
 #include <stdlib.h>
 
-
 #include "../../lv_examples.h"
 #if LV_USE_LIST && LV_BUILD_EXAMPLES
 

examples/widgets/obj/lv_example_obj_2.c

@@ -16,7 +16,6 @@ static void drag_event_handler(lv_event_t * e)
     lv_obj_set_pos(obj, x, y);
 }
 
-
 /**
  * Make an object draggable.
  */

examples/widgets/slider/lv_example_slider_2.c

@@ -1,8 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_SLIDER && LV_BUILD_EXAMPLES
 
-
-
 /**
  * Show how to style a slider.
  */

examples/widgets/spinbox/lv_example_spinbox_1.c

@@ -3,7 +3,6 @@
 
 static lv_obj_t * spinbox;
 
-
 static void lv_spinbox_increment_event_cb(lv_event_t * e)
 {
     lv_event_code_t code = lv_event_get_code(e);
@@ -20,7 +19,6 @@ static void lv_spinbox_decrement_event_cb(lv_event_t * e)
     }
 }
 
-
 void lv_example_spinbox_1(void)
 {
     spinbox = lv_spinbox_create(lv_screen_active());

examples/widgets/table/lv_example_table_1.c

@@ -41,7 +41,6 @@ static void draw_event_cb(lv_event_t * e)
     }
 }
 
-
 void lv_example_table_1(void)
 {
     lv_obj_t * table = lv_table_create(lv_screen_active());

examples/widgets/table/lv_example_table_2.c

@@ -54,7 +54,6 @@ static void change_event_cb(lv_event_t * e)
     else lv_table_add_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
 }
 
-
 /**
  * A very light-weighted list created from table
  */

examples/widgets/tabview/lv_example_tabview_2.c

@@ -14,7 +14,6 @@ void lv_example_tabview_2(void)
     lv_obj_set_style_text_color(tab_buttons, lv_palette_lighten(LV_PALETTE_GREY, 5), 0);
     lv_obj_set_style_border_side(tab_buttons, LV_BORDER_SIDE_RIGHT, LV_PART_ITEMS | LV_STATE_CHECKED);
 
-
     /*Add 3 tabs (the tabs are page (lv_page) and can be scrolled*/
     lv_obj_t * tab1 = lv_tabview_add_tab(tabview, "Tab 1");
     lv_obj_t * tab2 = lv_tabview_add_tab(tabview, "Tab 2");

examples/widgets/textarea/lv_example_textarea_2.c

@@ -29,7 +29,6 @@ void lv_example_textarea_2(void)
     lv_obj_add_event(text_ta, ta_event_cb, LV_EVENT_ALL, NULL);
     lv_obj_align(text_ta, LV_ALIGN_TOP_RIGHT, -5, 20);
 
-
     /*Create a label and position it above the text box*/
     lv_obj_t * oneline_label = lv_label_create(lv_screen_active());
     lv_label_set_text(oneline_label, "Text:");

examples/widgets/tileview/lv_example_tileview_1.c

@@ -16,7 +16,6 @@ void lv_example_tileview_1(void)
     lv_label_set_text(label, "Scroll down");
     lv_obj_center(label);
 
-
     /*Tile2: a button*/
     lv_obj_t * tile2 = lv_tileview_add_tile(tv, 0, 1, LV_DIR_TOP | LV_DIR_RIGHT);
 

examples/widgets/win/lv_example_win_1.c

@@ -1,7 +1,6 @@
 #include "../../lv_examples.h"
 #if LV_USE_WIN && LV_BUILD_EXAMPLES
 
-
 static void event_handler(lv_event_t * e)
 {
     lv_obj_t * obj = lv_event_get_target(e);
@@ -40,7 +39,6 @@ void lv_example_win_1(void)
                       "sure it\n"
                       "overflows. :)");
 
-
 }
 
 #endif

src/core/lv_global.h

@@ -194,7 +194,6 @@ typedef struct _lv_global_t {
     void * user_data;
 } lv_global_t;
 
-
 /**********************
  *      MACROS
  **********************/

src/core/lv_group.h

@@ -46,8 +46,6 @@ typedef _lv_key_t lv_key_t;
 typedef uint8_t lv_key_t;
 #endif /*DOXYGEN*/
 
-
-
 /**********************
  *      TYPEDEFS
  **********************/
@@ -81,7 +79,6 @@ typedef struct _lv_group_t {
                                    of list.*/
 } lv_group_t;
 
-
 typedef enum {
     LV_GROUP_REFOCUS_POLICY_NEXT = 0,
     LV_GROUP_REFOCUS_POLICY_PREV = 1
@@ -200,7 +197,6 @@ void lv_group_set_focus_cb(lv_group_t * group, lv_group_focus_cb_t focus_cb);
  */
 void lv_group_set_edge_cb(lv_group_t * group, lv_group_edge_cb_t edge_cb);
 
-
 /**
  * Set whether the next or previous item in a group is focused if the currently focused obj is
  * deleted.

src/core/lv_obj.c

@@ -725,7 +725,6 @@ static void update_obj_state(lv_obj_t * obj, lv_state_t new_state)
 
     obj->state = new_state;
 
-
     _lv_obj_style_transition_dsc_t * ts = lv_malloc_zeroed(sizeof(_lv_obj_style_transition_dsc_t) * STYLE_TRANSITION_MAX);
     uint32_t tsi = 0;
     uint32_t i;

src/core/lv_obj.h

@@ -256,7 +256,6 @@ typedef struct _lv_obj_t {
  */
 lv_obj_t * lv_obj_create(lv_obj_t * parent);
 
-
 /*=====================
  * Setter functions
  *====================*/
@@ -467,7 +466,6 @@ void lv_objid_builtin_destroy(void);
 #  define LV_TRACE_OBJ_CREATE(...)
 #endif
 
-
 #ifdef __cplusplus
 } /*extern "C"*/
 #endif

src/core/lv_obj_class.c

@@ -179,7 +179,6 @@ static void lv_obj_construct(const lv_obj_class_t * class_p, lv_obj_t * obj)
         obj->class_p = original_class_p;
     }
 
-
     if(obj->class_p->constructor_cb) obj->class_p->constructor_cb(class_p, obj);
 }
 

src/core/lv_obj_class.h

@@ -22,7 +22,6 @@ extern "C" {
  *      DEFINES
  *********************/
 
-
 /**********************
  *      TYPEDEFS
  **********************/
@@ -104,7 +103,6 @@ bool lv_obj_is_group_def(struct _lv_obj_t * obj);
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /*extern "C"*/
 #endif

src/core/lv_obj_draw.h

@@ -67,7 +67,6 @@ void lv_obj_init_draw_label_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_l
  */
 void lv_obj_init_draw_image_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_image_dsc_t * draw_dsc);
 
-
 /**
  * Initialize a line draw descriptor from an object's styles in its current state
  * @param obj pointer to an object
@@ -108,7 +107,6 @@ void lv_obj_refresh_ext_draw_size(struct _lv_obj_t * obj);
  */
 int32_t _lv_obj_get_ext_draw_size(const struct _lv_obj_t * obj);
 
-
 lv_layer_type_t _lv_obj_get_layer_type(const struct _lv_obj_t * obj);
 
 /**********************

src/core/lv_obj_event.c

@@ -69,7 +69,6 @@ lv_result_t lv_obj_send_event(lv_obj_t * obj, lv_event_code_t event_code, void *
     return res;
 }
 
-
 lv_result_t lv_obj_event_base(const lv_obj_class_t * class_p, lv_event_t * e)
 {
     const lv_obj_class_t * base;
@@ -109,7 +108,6 @@ uint32_t lv_obj_get_event_count(lv_obj_t * obj)
     return lv_event_get_count(&obj->spec_attr->event_list);
 }
 
-
 lv_event_dsc_t * lv_obj_get_event_dsc(lv_obj_t * obj, uint32_t index)
 {
     LV_ASSERT_NULL(obj);
@@ -151,7 +149,6 @@ lv_obj_t * lv_event_get_target_obj(lv_event_t * e)
     return lv_event_get_target(e);
 }
 
-
 lv_indev_t * lv_event_get_indev(lv_event_t * e)
 {
 
@@ -337,7 +334,6 @@ static lv_result_t event_send_core(lv_event_t * e)
     return res;
 }
 
-
 static bool event_is_bubbled(lv_event_t * e)
 {
     if(e->stop_bubbling) return false;

src/core/lv_obj_event.h

@@ -40,7 +40,6 @@ typedef struct {
     bool res;                   /**< true: `point` can click the object; false: it cannot*/
 } lv_hit_test_info_t;
 
-
 /** Cover check results.*/
 typedef enum {
     LV_COVER_RES_COVER      = 0,

src/core/lv_obj_pos.c

@@ -527,7 +527,6 @@ int32_t lv_obj_get_y_aligned(const lv_obj_t * obj)
     return lv_obj_get_style_y(obj, LV_PART_MAIN);
 }
 
-
 int32_t lv_obj_get_width(const lv_obj_t * obj)
 {
     LV_ASSERT_OBJ(obj, MY_CLASS);
@@ -602,7 +601,6 @@ void lv_obj_refr_pos(lv_obj_t * obj)
 {
     if(lv_obj_is_layout_positioned(obj)) return;
 
-
     lv_obj_t * parent = lv_obj_get_parent(obj);
     int32_t x = lv_obj_get_style_x(obj, LV_PART_MAIN);
     int32_t y = lv_obj_get_style_y(obj, LV_PART_MAIN);
@@ -797,7 +795,6 @@ void lv_obj_get_transformed_area(const lv_obj_t * obj, lv_area_t * area, bool re
     area->y2 = LV_MAX4(p[0].y, p[1].y, p[2].y, p[3].y);
 }
 
-
 void lv_obj_invalidate_area(const lv_obj_t * obj, const lv_area_t * area)
 {
     LV_ASSERT_OBJ(obj, MY_CLASS);
@@ -941,8 +938,6 @@ int32_t lv_clamp_height(int32_t height, int32_t min_height, int32_t max_height,
     return LV_CLAMP(min_height, height, max_height);
 }
 
-
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/

src/core/lv_obj_pos.h

@@ -186,7 +186,6 @@ static inline void lv_obj_center(struct _lv_obj_t * obj)
     lv_obj_align(obj, LV_ALIGN_CENTER, 0, 0);
 }
 
-
 /**
  * Copy the coordinates of an object to an area
  * @param obj       pointer to an object
@@ -330,7 +329,6 @@ void lv_obj_refr_pos(struct _lv_obj_t * obj);
 
 void lv_obj_move_to(struct _lv_obj_t * obj, int32_t x, int32_t y);
 
-
 void lv_obj_move_children_by(struct _lv_obj_t * obj, int32_t x_diff, int32_t y_diff, bool ignore_floating);
 
 /**

src/core/lv_obj_scroll.c

@@ -301,7 +301,6 @@ void lv_obj_scroll_by_bounded(lv_obj_t * obj, int32_t dx, int32_t dy, lv_anim_en
     }
 }
 
-
 void lv_obj_scroll_by(lv_obj_t * obj, int32_t dx, int32_t dy, lv_anim_enable_t anim_en)
 {
     if(dx == 0 && dy == 0) return;
@@ -427,7 +426,6 @@ lv_result_t _lv_obj_scroll_by_raw(lv_obj_t * obj, int32_t x, int32_t y)
     return LV_RESULT_OK;
 }
 
-
 bool lv_obj_is_scrolling(const lv_obj_t * obj)
 {
     lv_indev_t * indev = lv_indev_get_next(NULL);
@@ -482,7 +480,6 @@ void lv_obj_get_scrollbar_area(lv_obj_t * obj, lv_area_t * hor_area, lv_area_t *
         ver_draw = true;
     }
 
-
     bool hor_draw = false;
     if((dir & LV_DIR_HOR) &&
        ((sm == LV_SCROLLBAR_MODE_ON) ||
@@ -670,7 +667,6 @@ void lv_obj_readjust_scroll(lv_obj_t * obj, lv_anim_enable_t anim_en)
  *   STATIC FUNCTIONS
  **********************/
 
-
 static void scroll_x_anim(void * obj, int32_t v)
 {
     _lv_obj_scroll_by_raw(obj, v + lv_obj_get_scroll_x(obj), 0);

src/core/lv_obj_scroll.h

@@ -258,7 +258,6 @@ void lv_obj_scroll_to_view(struct _lv_obj_t * obj, lv_anim_enable_t anim_en);
  */
 void lv_obj_scroll_to_view_recursive(struct _lv_obj_t * obj, lv_anim_enable_t anim_en);
 
-
 /**
  * Low level function to scroll by given x and y coordinates.
  * `LV_EVENT_SCROLL` is sent.

src/core/lv_obj_style.c

@@ -124,7 +124,6 @@ void lv_obj_add_style(lv_obj_t * obj, const lv_style_t * style, lv_style_selecto
     obj->styles[i].style = style;
     obj->styles[i].selector = selector;
 
-
 #if LV_OBJ_STYLE_CACHE
     uint32_t * prop_is_set = part == LV_PART_MAIN ? &obj->style_main_prop_is_set : &obj->style_other_prop_is_set;
     if(lv_style_is_const(style)) {
@@ -318,7 +317,6 @@ void lv_obj_enable_style_refresh(bool en)
     style_refr = en;
 }
 
-
 static inline lv_style_value_t lv_style_prop_get_default_inlined(lv_style_prop_t prop)
 {
     const lv_color_t black = LV_COLOR_MAKE(0x00, 0x00, 0x00);
@@ -383,7 +381,6 @@ static inline lv_style_value_t lv_style_prop_get_default_inlined(lv_style_prop_t
     }
 }
 
-
 lv_style_value_t lv_obj_get_style_prop(const lv_obj_t * obj, lv_part_t part, lv_style_prop_t prop)
 {
     LV_ASSERT_NULL(obj)
@@ -471,7 +468,6 @@ void lv_obj_set_local_style_prop(lv_obj_t * obj, lv_style_prop_t prop, lv_style_
     }
 #endif
 
-
     lv_obj_refresh_style(obj, selector, prop);
 }
 
@@ -568,7 +564,6 @@ void _lv_obj_style_create_transition(lv_obj_t * obj, lv_part_t part, lv_state_t
     lv_anim_start(&a);
 }
 
-
 lv_style_value_t _lv_obj_style_apply_color_filter(const lv_obj_t * obj, uint32_t part, lv_style_value_t v)
 {
     if(obj == NULL) return v;
@@ -666,7 +661,6 @@ void lv_obj_fade_out(lv_obj_t * obj, uint32_t time, uint32_t delay)
     lv_anim_start(&a);
 }
 
-
 lv_text_align_t lv_obj_calculate_style_text_align(const struct _lv_obj_t * obj, lv_part_t part, const char * txt)
 {
     lv_text_align_t align = lv_obj_get_style_text_align(obj, part);
@@ -708,7 +702,6 @@ lv_opa_t lv_obj_get_style_opa_recursive(const lv_obj_t * obj, lv_part_t part)
     return opa_final;
 }
 
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/
@@ -776,7 +769,6 @@ static _lv_obj_style_t * get_trans_style(lv_obj_t * obj,  lv_style_selector_t se
         obj->styles[i] = obj->styles[i - 1];
     }
 
-
     lv_memzero(&obj->styles[0], sizeof(_lv_obj_style_t));
     obj->styles[0].style = lv_malloc(sizeof(lv_style_t));
     lv_style_init((lv_style_t *)obj->styles[0].style);
@@ -786,7 +778,6 @@ static _lv_obj_style_t * get_trans_style(lv_obj_t * obj,  lv_style_selector_t se
     return &obj->styles[0];
 }
 
-
 static lv_style_res_t get_prop_core(const lv_obj_t * obj, lv_part_t part, lv_style_prop_t prop, lv_style_value_t * v)
 {
 
@@ -1057,7 +1048,6 @@ static lv_layer_type_t calculate_layer_type(lv_obj_t * obj)
     return LV_LAYER_TYPE_NONE;
 }
 
-
 static void full_cache_refresh(lv_obj_t * obj, lv_part_t part)
 {
 #if LV_OBJ_STYLE_CACHE

src/core/lv_obj_style.h

@@ -46,7 +46,6 @@ typedef enum {
     _LV_STYLE_STATE_CMP_DIFF_LAYOUT,    /*The differences can be shown with a simple redraw*/
 } _lv_style_state_cmp_t;
 
-
 typedef uint32_t lv_style_selector_t;
 
 typedef struct {
@@ -219,7 +218,6 @@ void lv_obj_fade_in(struct _lv_obj_t * obj, uint32_t time, uint32_t delay);
  */
 void lv_obj_fade_out(struct _lv_obj_t * obj, uint32_t time, uint32_t delay);
 
-
 static inline lv_state_t lv_obj_style_get_selector_state(lv_style_selector_t selector)
 {
     return selector & 0xFFFF;
@@ -338,7 +336,6 @@ static inline int32_t lv_obj_get_style_transform_scale_y_safe(const struct _lv_o
     return zoom != 0 ? zoom : 1;
 }
 
-
 /**
  * Get the `opa` style property from all parents and multiply and `>> 8` them.
  * @param obj       the object whose opacity should be get
@@ -347,7 +344,6 @@ static inline int32_t lv_obj_get_style_transform_scale_y_safe(const struct _lv_o
  */
 lv_opa_t lv_obj_get_style_opa_recursive(const struct _lv_obj_t * obj, lv_part_t part);
 
-
 /**********************
  *      MACROS
  **********************/

src/core/lv_obj_tree.c

@@ -341,7 +341,6 @@ lv_obj_t * lv_obj_get_sibling(const lv_obj_t * obj, int32_t id)
     return lv_obj_get_child(parent, (int32_t)lv_obj_get_index(obj) + id);
 }
 
-
 uint32_t lv_obj_get_child_cnt(const lv_obj_t * obj)
 {
     LV_ASSERT_OBJ(obj, MY_CLASS);
@@ -483,7 +482,6 @@ static void obj_delete_core(lv_obj_t * obj)
     lv_free(obj);
 }
 
-
 static lv_obj_tree_walk_res_t walk_core(lv_obj_t * obj, lv_obj_tree_walk_cb_t cb, void * user_data)
 {
     lv_obj_tree_walk_res_t res = LV_OBJ_TREE_WALK_NEXT;

src/core/lv_obj_tree.h

@@ -22,7 +22,6 @@ extern "C" {
  *      DEFINES
  *********************/
 
-
 /**********************
  *      TYPEDEFS
  **********************/
@@ -187,7 +186,6 @@ void lv_obj_dump_tree(struct _lv_obj_t * start_ob);
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /*extern "C"*/
 #endif

src/core/lv_refr.c

@@ -405,7 +405,6 @@ refr_clean_up:
     lv_memzero(disp_refr->inv_area_joined, sizeof(disp_refr->inv_area_joined));
     disp_refr->inv_p = 0;
 
-
 refr_finish:
 
 #if LV_DRAW_SW_COMPLEX == 1
@@ -487,7 +486,6 @@ static void refr_sync_areas(void)
     uint32_t hor_res = lv_display_get_horizontal_resolution(disp_refr);
     uint32_t ver_res = lv_display_get_vertical_resolution(disp_refr);
 
-
     /*Iterate through invalidated areas to see if sync area should be copied*/
     uint16_t i;
     int8_t j;
@@ -803,7 +801,6 @@ static void refr_obj_and_children(lv_layer_t * layer, lv_obj_t * top_obj)
     }
 }
 
-
 static lv_result_t layer_get_area(lv_layer_t * layer, lv_obj_t * obj, lv_layer_type_t layer_type,
                                   lv_area_t * layer_area_out)
 {
@@ -863,7 +860,6 @@ static bool alpha_test_area_on_obj(lv_obj_t * obj, const lv_area_t * area)
     else return true;
 }
 
-
 void refr_obj(lv_layer_t * layer, lv_obj_t * obj)
 {
     if(lv_obj_has_flag(obj, LV_OBJ_FLAG_HIDDEN)) return;
@@ -933,7 +929,6 @@ void refr_obj(lv_layer_t * layer, lv_obj_t * obj)
     }
 }
 
-
 static uint32_t get_max_row(lv_display_t * disp, int32_t area_w, int32_t area_h)
 {
     bool has_alpha = lv_color_format_has_alpha(disp->color_format);
@@ -1044,7 +1039,6 @@ static void call_flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t *
     LV_PROFILER_END;
 }
 
-
 static void wait_for_flushing(lv_display_t * disp)
 {
     LV_PROFILER_BEGIN;

src/dev/nuttx/lv_nuttx_lcd.c

@@ -114,7 +114,6 @@ static int32_t align_round_up(int32_t v, uint16_t align)
     return (v + align - 1) & ~(align - 1);
 }
 
-
 static void rounder_cb(lv_event_t * e)
 {
     lv_nuttx_lcd_t * lcd = lv_event_get_user_data(e);

src/dev/sdl/lv_sdl_keyboard.c

@@ -114,7 +114,6 @@ void _lv_sdl_keyboard_handler(SDL_Event * event)
     if(indev == NULL) return;
     lv_sdl_keyboard_t * dsc = lv_indev_get_driver_data(indev);
 
-
     /* We only care about SDL_KEYDOWN and SDL_TEXTINPUT events */
     switch(event->type) {
         case SDL_KEYDOWN: {                     /*Button press*/
@@ -140,7 +139,6 @@ void _lv_sdl_keyboard_handler(SDL_Event * event)
     }
 }
 
-
 /**
  * Convert a SDL key code to it's LV_KEY_* counterpart or return '\0' if it's not a control character.
  * @param sdl_key the key code

src/dev/sdl/lv_sdl_mouse.c

@@ -74,7 +74,6 @@ static void sdl_mouse_read(lv_indev_t * indev, lv_indev_data_t * data)
     data->state = dsc->left_button_down ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED;
 }
 
-
 void _lv_sdl_mouse_handler(SDL_Event * event)
 {
     uint32_t win_id = UINT32_MAX;

src/dev/sdl/lv_sdl_window.c

@@ -161,7 +161,6 @@ void lv_sdl_quit()
  *   STATIC FUNCTIONS
  **********************/
 
-
 static void flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t * px_map)
 {
     lv_sdl_window_t * dsc = lv_display_get_driver_data(disp);

src/display/lv_display.c

@@ -135,7 +135,6 @@ lv_display_t * lv_display_create(int32_t hor_res, int32_t ver_res)
     return disp;
 }
 
-
 void lv_display_remove(lv_display_t * disp)
 {
     bool was_default = false;
@@ -398,7 +397,6 @@ void lv_display_set_flush_cb(lv_display_t * disp, lv_display_flush_cb_t flush_cb
     disp->flush_cb = flush_cb;
 }
 
-
 void lv_display_set_flush_wait_cb(lv_display_t * disp, lv_display_flush_wait_cb_t wait_cb)
 {
     if(disp == NULL) disp = lv_display_get_default();
@@ -440,7 +438,6 @@ bool lv_display_get_antialiasing(lv_display_t * disp)
     return disp->antialiasing;
 }
 
-
 LV_ATTRIBUTE_FLUSH_READY void lv_display_flush_ready(lv_display_t * disp)
 {
     disp->flushing = 0;
@@ -565,7 +562,6 @@ void lv_screen_load_anim(lv_obj_t * new_scr, lv_screen_load_anim_t anim_type, ui
     lv_obj_remove_local_style_prop(new_scr, LV_STYLE_OPA, 0);
     lv_obj_remove_local_style_prop(lv_screen_active(), LV_STYLE_OPA, 0);
 
-
     /*Shortcut for immediate load*/
     if(time == 0 && delay == 0) {
 
@@ -688,7 +684,6 @@ uint32_t lv_display_get_event_count(lv_display_t * disp)
     return lv_event_get_count(&disp->event_list);
 }
 
-
 lv_event_dsc_t * lv_display_get_event_dsc(lv_display_t * disp, uint32_t index)
 {
     LV_ASSERT_NULL(disp);

src/display/lv_display.h

@@ -63,7 +63,6 @@ typedef enum {
     LV_DISPLAY_RENDER_MODE_FULL,
 } lv_display_render_mode_t;
 
-
 typedef enum {
     LV_SCR_LOAD_ANIM_NONE,
     LV_SCR_LOAD_ANIM_OVER_LEFT,
@@ -83,7 +82,6 @@ typedef enum {
     LV_SCR_LOAD_ANIM_OUT_BOTTOM,
 } lv_screen_load_anim_t;
 
-
 typedef void (*lv_display_flush_cb_t)(struct _lv_display_t * disp, const lv_area_t * area, uint8_t * px_map);
 typedef void (*lv_display_flush_wait_cb_t)(struct _lv_display_t * disp);
 
@@ -261,7 +259,6 @@ void lv_display_set_flush_cb(lv_display_t * disp, lv_display_flush_cb_t flush_cb
  */
 void lv_display_set_flush_wait_cb(lv_display_t * disp, lv_display_flush_wait_cb_t wait_cb);
 
-
 /**
  * Set the color format of the display.
  * If set to other than `LV_COLOR_FORMAT_NATIVE` the layer's `buffer_convert` function will be used
@@ -294,7 +291,6 @@ void lv_display_set_antialiasing(lv_display_t * disp, bool en);
  */
 bool lv_display_get_antialiasing(lv_display_t * disp);
 
-
 //! @cond Doxygen_Suppress
 
 /**
@@ -314,7 +310,6 @@ LV_ATTRIBUTE_FLUSH_READY bool lv_display_flush_is_last(lv_display_t * disp);
 
 //! @endcond
 
-
 bool lv_display_is_double_buffered(lv_display_t * disp);
 
 /*---------------------
@@ -357,7 +352,6 @@ struct _lv_obj_t * lv_display_get_layer_top(lv_display_t * disp);
  */
 struct _lv_obj_t * lv_display_get_layer_sys(lv_display_t * disp);
 
-
 /**
  * Return the bottom layer. The bottom layer is the same on all screen and it is under the normal screen layer.
  * It's visible only if the the screen is transparent.
@@ -366,7 +360,6 @@ struct _lv_obj_t * lv_display_get_layer_sys(lv_display_t * disp);
  */
 struct _lv_obj_t * lv_display_get_layer_bottom(lv_display_t * disp);
 
-
 /**
  * Switch screen with animation
  * @param scr       pointer to the new screen to load
@@ -423,7 +416,6 @@ static inline void lv_screen_load(struct _lv_obj_t * scr)
     lv_display_load_scr(scr);
 }
 
-
 /*---------------------
  * OTHERS
  *--------------------*/
@@ -529,7 +521,6 @@ void * lv_display_get_driver_data(lv_display_t * disp);
 #define LV_VER_RES lv_display_get_vertical_resolution(lv_display_get_default())
 #endif
 
-
 /**
  * Same as Android's DIP. (Different name is chosen to avoid mistype between LV_DPI and LV_DIP)
  * 1 dip is 1 px on a 160 DPI screen
@@ -566,7 +557,6 @@ static inline int32_t lv_display_dpx(const lv_display_t * disp, int32_t n)
     return _LV_DPX_CALC(lv_display_get_dpi(disp), n);
 }
 
-
 #ifdef __cplusplus
 } /*extern "C"*/
 #endif

src/draw/lv_draw.c

@@ -101,7 +101,6 @@ lv_draw_task_t * lv_draw_add_task(lv_layer_t * layer, const lv_area_t * coords)
     return new_task;
 }
 
-
 void lv_draw_finalize_task_creation(lv_layer_t * layer, lv_draw_task_t * t)
 {
     lv_draw_dsc_base_t * base_dsc = t->draw_dsc;
@@ -368,7 +367,6 @@ void * lv_draw_layer_alloc_buf(lv_layer_t * layer)
         _draw_info.used_memory_for_layers_kb += kb;
         LV_LOG_INFO("Layer memory used: %d kB\n", _draw_info.used_memory_for_layers_kb);
 
-
         if(lv_color_format_has_alpha(layer->color_format)) {
             lv_area_t a;
             a.x1 = 0;
@@ -422,4 +420,3 @@ static bool is_independent(lv_layer_t * layer, lv_draw_task_t * t_check)
 
     return true;
 }
-

src/draw/lv_draw.h

@@ -143,7 +143,6 @@ typedef struct _lv_draw_unit_t {
     int32_t (*delete_cb)(struct _lv_draw_unit_t * draw_unit);
 } lv_draw_unit_t;
 
-
 typedef struct _lv_layer_t  {
 
     /** The unaligned buffer where drawing will happen*/

src/draw/lv_draw_buf.c

@@ -11,7 +11,6 @@
 #include "../stdlib/lv_string.h"
 #include "../core/lv_global.h"
 
-
 /*********************
  *      DEFINES
  *********************/
@@ -67,7 +66,6 @@ lv_draw_buf_handlers_t * lv_draw_buf_get_handlers(void)
     return &handlers;
 }
 
-
 uint32_t lv_draw_buf_width_to_stride(uint32_t w, lv_color_format_t color_format)
 {
     if(handlers.width_to_stride_cb) return handlers.width_to_stride_cb(w, color_format);
@@ -108,7 +106,6 @@ void lv_draw_buf_clear(void * buf, uint32_t w, uint32_t h, lv_color_format_t col
     if(handlers.buf_clear_cb) handlers.buf_clear_cb(buf, w, h, color_format, a);
 }
 
-
 void lv_draw_buf_copy(void * dest_buf, uint32_t dest_w, uint32_t dest_h, const lv_area_t * dest_area_to_copy,
                       void * src_buf,  uint32_t src_w, uint32_t src_h, const lv_area_t * src_area_to_copy,
                       lv_color_format_t color_format)
@@ -122,7 +119,6 @@ void lv_draw_buf_copy(void * dest_buf, uint32_t dest_w, uint32_t dest_h, const l
  *   STATIC FUNCTIONS
  **********************/
 
-
 static void * buf_malloc(size_t size_bytes, lv_color_format_t color_format)
 {
     LV_UNUSED(color_format);
@@ -218,4 +214,3 @@ static void buf_copy(void * dest_buf, uint32_t dest_w, uint32_t dest_h, const lv
         src_bufc += src_stride;
     }
 }
-

src/draw/lv_draw_image.c

@@ -48,7 +48,6 @@ void lv_draw_image_dsc_init(lv_draw_image_dsc_t * dsc)
     dsc->antialias = LV_COLOR_DEPTH > 8 ? 1 : 0;
 }
 
-
 void lv_draw_layer(lv_layer_t * layer, const lv_draw_image_dsc_t * dsc, const lv_area_t * coords)
 {
     lv_draw_task_t * t = lv_draw_add_task(layer, coords);
@@ -64,7 +63,6 @@ void lv_draw_layer(lv_layer_t * layer, const lv_draw_image_dsc_t * dsc, const lv
     lv_draw_finalize_task_creation(layer, t);
 }
 
-
 void lv_draw_image(lv_layer_t * layer, const lv_draw_image_dsc_t * dsc, const lv_area_t * coords)
 {
     if(dsc->src == NULL) {
@@ -73,7 +71,6 @@ void lv_draw_image(lv_layer_t * layer, const lv_draw_image_dsc_t * dsc, const lv
     }
     if(dsc->opa <= LV_OPA_MIN) return;
 
-
     LV_PROFILER_BEGIN;
 
     lv_draw_image_dsc_t * new_image_dsc = lv_malloc(sizeof(*dsc));
@@ -129,4 +126,3 @@ lv_image_src_t lv_image_src_get_type(const void * src)
 /**********************
  *   STATIC FUNCTIONS
  **********************/
-

src/draw/lv_draw_image.h

@@ -42,7 +42,6 @@ typedef struct _lv_draw_image_dsc_t {
     const void * src;
     lv_image_header_t header;
 
-
     int32_t rotation;
     int32_t scale_x;
     int32_t scale_y;

src/draw/lv_draw_label.c

@@ -60,7 +60,6 @@ void lv_draw_label_dsc_init(lv_draw_label_dsc_t * dsc)
     dsc->bidi_dir = LV_BASE_DIR_LTR;
 }
 
-
 void lv_draw_letter_dsc_init(lv_draw_glyph_dsc_t * dsc)
 {
     lv_memzero(dsc, sizeof(lv_draw_glyph_dsc_t));
@@ -91,8 +90,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(lv_layer_t * layer, const lv_draw_label
     lv_draw_finalize_task_creation(layer, t);
 }
 
-
-
 LV_ATTRIBUTE_FAST_MEM void lv_draw_letter(lv_layer_t * layer, lv_draw_label_dsc_t * dsc,
                                           const lv_point_t * point, uint32_t unicode_letter)
 {
@@ -307,8 +304,6 @@ void lv_draw_label_iterate_letters(lv_draw_unit_t * draw_unit, const lv_draw_lab
                 }
             }
 
-
-
             if(sel_start != 0xFFFF && sel_end != 0xFFFF && logical_char_pos >= sel_start && logical_char_pos < sel_end) {
                 draw_letter_dsc.color = dsc->sel_color;
                 fill_dsc.color = dsc->sel_bg_color;
@@ -318,7 +313,6 @@ void lv_draw_label_iterate_letters(lv_draw_unit_t * draw_unit, const lv_draw_lab
                 draw_letter_dsc.color = dsc->color;
             }
 
-
             draw_letter(draw_unit, &draw_letter_dsc, &pos, font, letter, cb);
 
             if(letter_w > 0) {
@@ -359,7 +353,6 @@ void lv_draw_label_iterate_letters(lv_draw_unit_t * draw_unit, const lv_draw_lab
     LV_ASSERT_MEM_INTEGRITY();
 }
 
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/
@@ -423,4 +416,3 @@ static void draw_letter(lv_draw_unit_t * draw_unit, lv_draw_glyph_dsc_t * dsc,
     cb(draw_unit, dsc, NULL, NULL);
     LV_PROFILER_END;
 }
-

src/draw/lv_draw_label.h

@@ -46,7 +46,6 @@ typedef struct _lv_draw_label_hint_t {
     int32_t coord_y;
 } lv_draw_label_hint_t;
 
-
 typedef struct {
     lv_draw_dsc_base_t base;
 
@@ -66,9 +65,11 @@ typedef struct {
     lv_text_align_t align;
     lv_text_flag_t flag;
     lv_text_decor_t decor : 3;
-    lv_blend_mode_t blend_mode: 3;
-uint8_t text_local  :
-    1;        /**< 1: malloc buffer and copy `text` there. 0: `text` is const and it's pointer will be valid during rendering*/
+    lv_blend_mode_t blend_mode : 3;
+    /**
+     * < 1: malloc buffer and copy `text` there.
+     * 0: `text` is const and it's pointer will be valid during rendering.*/
+    uint8_t text_local : 1;
     lv_draw_label_hint_t * hint;
 } lv_draw_label_dsc_t;
 
@@ -89,7 +90,6 @@ typedef struct {
     lv_opa_t opa;
 } lv_draw_glyph_dsc_t;
 
-
 typedef void(*lv_draw_letter_cb_t)(lv_draw_unit_t * draw_unit, lv_draw_glyph_dsc_t * dsc, lv_draw_fill_dsc_t * fill_dsc,
                                    const lv_area_t * fill_area);
 

src/draw/lv_draw_line.h

@@ -58,7 +58,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_line_dsc_init(lv_draw_line_dsc_t * dsc);
  */
 void lv_draw_line(struct _lv_layer_t * layer, const lv_draw_line_dsc_t * dsc);
 
-
 /**********************
  *      MACROS
  **********************/

src/draw/lv_draw_mask.h

@@ -49,7 +49,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_mask_rect_dsc_init(lv_draw_mask_rect_dsc_t *
  */
 void lv_draw_mask_rect(struct _lv_layer_t * layer, const lv_draw_mask_rect_dsc_t * dsc);
 
-
 /**********************
  *      MACROS
  **********************/

src/draw/lv_draw_rect.c

@@ -80,7 +80,6 @@ void lv_draw_bg_image_dsc_init(lv_draw_bg_image_dsc_t * dsc)
     dsc->opa = LV_OPA_COVER;
 }
 
-
 void lv_draw_rect(lv_layer_t * layer, const lv_draw_rect_dsc_t * dsc, const lv_area_t * coords)
 {
 
@@ -174,7 +173,6 @@ void lv_draw_rect(lv_layer_t * layer, const lv_draw_rect_dsc_t * dsc, const lv_a
 
         t = lv_draw_add_task(layer, coords);
 
-
         lv_image_src_t src_type = lv_image_src_get_type(dsc->bg_image_src);
         lv_result_t res = LV_RESULT_OK;
         lv_image_header_t header;
@@ -243,7 +241,6 @@ void lv_draw_rect(lv_layer_t * layer, const lv_draw_rect_dsc_t * dsc, const lv_a
     LV_PROFILER_END;
 }
 
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/

src/draw/lv_draw_rect.h

@@ -133,7 +133,6 @@ void lv_draw_box_shadow_dsc_init(lv_draw_box_shadow_dsc_t * dsc);
 
 void lv_draw_bg_image_dsc_init(lv_draw_bg_image_dsc_t * dsc);
 
-
 /**
  * Draw a rectangle
  * @param layer         pointer to a layer

src/draw/lv_draw_vector.c

@@ -46,7 +46,6 @@ typedef struct {
 *  STATIC PROTOTYPES
  **********************/
 
-
 static bool _is_identity_or_translation(const lv_matrix_t * matrix)
 {
     return (matrix->m[0][0] == 1.0f &&

src/draw/lv_draw_vector.h

@@ -16,7 +16,6 @@ extern "C" {
 #include "lv_draw.h"
 #include "../misc/lv_array.h"
 
-
 #if LV_USE_VECTOR_GRAPHIC
 
 /**********************
@@ -96,12 +95,10 @@ typedef struct {
     float y;
 } lv_fpoint_t;
 
-
 typedef struct {
     float m[3][3];
 } lv_matrix_t;
 
-
 typedef struct {
     lv_vector_path_quality_t quality;
     lv_array_t ops;
@@ -148,7 +145,6 @@ typedef struct {
     lv_area_t scissor_area;
 } lv_vector_draw_dsc_t;
 
-
 typedef struct {
     lv_draw_dsc_base_t base;
     lv_ll_t * task_list; // draw task list.
@@ -161,7 +157,6 @@ typedef struct {
     lv_draw_vector_task_dsc_t tasks;
 } lv_vector_dsc_t;
 
-
 /**********************
  * GLOBAL PROTOTYPES
  **********************/