merge master

.editorconfig

@@ -4,4 +4,3 @@ indent_size = 4
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
-

.github/ISSUE_TEMPLATE/all-other-issues.md

@@ -1,14 +0,0 @@
----
-name: All other issues
-about: Questions and enhancement requests should go to the forum.
-title: ''
-labels: not-template
-assignees: ''
-
----
-
-# All enhancement requests or questions should be directed to the Forum.
-
-
-We use GitHub issues for development related discussions.
-Please use the [forum](https://forum.littlevgl.com/) to ask questions.

.github/ISSUE_TEMPLATE/bug-report.md

@@ -1,29 +1,43 @@
 ---
 name: Bug report
-about: Create a report to help us improve
+about: Create a bug report to help us improve
 title: ''
 labels: ''
 assignees: ''
 
 ---
 
-> # Important: issues that don't use this template will be ignored/closed.
+<!--
+IMPORTANT
+Issues that don't use this template will be ignored and closed.
+-->
 
-**Describe the bug**
+### Perform all steps below and tick them with [x]
+- [ ] Check the related part of the [Documentation](https://docs.lvgl.io/)
+- [ ] Update lvgl to the latest version
+- [ ] Reproduce the issue in a [Simulator](https://docs.lvgl.io/latest/en/html/get-started/pc-simulator.html)
 
+### Describe the bug
+<!--
 A clear and concise description of what the bug is.
+-->
 
-**To Reproduce**
+### To Reproduce
-
+<!--
-Please provide a small, independent code sample that can be used to reproduce the issue. Ideally this should work in the PC simulator unless the problem is specific to one platform.
+Provide a small, independent code sample that can be used to reproduce the issue.
-
+Ideally this should work in the PC simulator unless the problem is specific to a platform.
-**Expected behavior**
+Format the code like this:
+```c
+your code here
+```
+-->
 
+### Expected behavior
+<!--
 A clear and concise description of what you expected to happen.
+-->
 
-**Screenshots**
+### Screenshots or video
+<!--
 If applicable, add screenshots to help explain your problem.
-
+-->
-**Additional context**
-
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/config.yml

@@ -5,7 +5,7 @@ contact_links:
     about: Be sure to read to documentation first
   - name: Forum
     url: https://forum.lvgl.io
-    about: For how-to questions use the forum
+    about: For topics like How-to, Getting started, Feature request
   - name: CONTIBUTING.md
     url: https://github.com/lvgl/lvgl/blob/master/docs/CONTRIBUTING.md#faq-about-contributing
     about: The basic rules of contributing

.github/ISSUE_TEMPLATE/dev-discussion.md

@@ -0,0 +1,29 @@
+---
+name: Development discussion
+about: Discussion strictly related to the develoopment of the LVGL.
+title: ''
+labels: ''
+assignees: ''
+
+---
+<!--
+IMPORTANT
+Issues that don't use this template will be ignored and closed.
+
+Normal Feature requests should go to the Forum: https://forum.lvgl.io/c/feature-request/9
+-->
+
+### Introcude the problem
+<!--
+A clear and concise description of the problem.
+-->
+
+### Examples and cases
+<!--
+Mention some examples and cases where the problem or the missing feature is relevant
+-->
+
+### Suggested solution
+<!--
+If you already have an idea about the solution share it here
+-->

.github/workflows/build_micropython.yml

@@ -39,4 +39,3 @@ jobs:
         gc.collect();
         utime.sleep(5)" |
         ports/unix/micropython -i lib/lv_bindings/examples/advanced_demo.py
-    

.github/workflows/main.yml

@@ -0,0 +1,16 @@
+on:
+  issues:
+    types: [opened, edited]
+
+jobs:
+  auto_close_issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Automatically close issues that don't follow the issue template
+        uses: lucasbento/auto-close-issues@v1.0.2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          issue-close-message: "@${issue.user.login}: hello! :wave:\n\nThis issue is being automatically closed because it does not follow the issue template." # optional property
+          closed-issues-label: "not-template"

CHANGELOG.md

@@ -1,11 +1,23 @@
 # Changelog
 
+## v7.9.1 (Planned at 19.01.2020)
+
+### Bugfixes
+- fix(cpicker) fix division by zero
+- fix(dropdown) fix selecting options after the last one
+- fix(msgbox) use the animation time provided
+- fix(gpu_nxp_pxp) fix incorrect define name
+- fix(indev) don't leave edit mode if there is only one object in the group
+- fix(draw_rect) fix draw pattern stack-use-after-scope error
+
+
 ## v7.9.0 
 
 ### New features
 - feat(chart) add lv_chart_remove_series and lv_chart_hide_series
-- feat(img_cahce) allow disabling image cacheing
+- feat(img_cahce) allow disabling image caching
 - calendar: make get_day_of_week() public
+- Added support for Zephyr integration
  
 ### Bugfixes
 - fix(draw_rect) free buffer used for arabic processing
@@ -15,8 +27,11 @@
 - fix(textarea) cursor position after hiding character in password mode
 - fix(linemeter) draw critical lines with correct color
 - fix(lv_conf_internal) be sure Kconfig defines are always uppercase
+- fix(kconfig) handle disable sprintf float correctly.
+- fix(layout) stop layout after recursion threshold is reached
+- fix(gauge) fix redraw with image needle
 
-## v7.8.1 (Plannad at 15.12.2020)
+## v7.8.1
 
 ### Bugfixes
 - fix(lv_scr_load_anim) fix when multiple screen are loaded at tsame time with delay
@@ -43,7 +58,7 @@
 - fix reference to LV_DRAW_BUF_MAX_NUM in lv_mem.c
 - fix(polygon draw) join adjacent points if they are on the same coordinate
 - fix(linemeter) fix invalidation when setting new value 
-- fix(table) add missing invalidation when changeing cell type
+- fix(table) add missing invalidation when changing cell type
 - refactor(roller) rename LV_ROLLER_MODE_INIFINITE -> LV_ROLLER_MODE_INFINITE
 
 ## v7.7.2 (17.11.2020)
@@ -53,7 +68,7 @@
 - fix(arc) fix and improve arc dragging
 - label: Repair calculate back `dot` character logical error which cause infinite loop.
 - fix(theme_material): remove the bottom border from tabview header
-- fix(imgbtn) guess a the closest availabe state with valid src
+- fix(imgbtn) guess a the closest available state with valid src
 - fix(spinbox) update cursor position in lv_spinbox_set_step 
 
 ## v7.7.1 (03.11.2020)
@@ -70,7 +85,7 @@
 - Allow max. 16 cell types for table
 - Add `lv_table_set_text_fmt()`
 - Use margin on calendar header to set distances and padding to the size of the header
-- Add `text_sel_bg` style proeprty
+- Add `text_sel_bg` style property
 
 ### Bugfixes
 - Theme update to support text selection background
@@ -93,7 +108,6 @@
 - Fix imgbtn image switching with empty style
 - Material theme: do not set the text font to allow easy global font change
 
-
 ## v7.6.0 (22.09.2020)
 
 ### New features
@@ -111,7 +125,7 @@
 - Add 10px and 8ox built in fonts
 
 ### Bugfixes
-- Fix unexpeted DEFOCUS on lv_page when clicking to bg after the scrollable
+- Fix unexpected DEFOCUS on lv_page when clicking to bg after the scrollable
 - Fix `lv_obj_del` and `lv_obj_clean` if the children list changed during deletion.
 - Adjust button matrix button width to include padding when spanning multiple units.
 - Add rounding to btnmatrix line height calculation
@@ -126,10 +140,10 @@ The main new features of v7.4 are run-time font loading, style caching and arc k
 ### New features
 - Add `lv_font_load()` function - Loads a `lv_font_t` object from a binary font file
 - Add `lv_font_free()` function - Frees the memory allocated by the `lv_font_load()` function
-- Add style caching to reduce acces time of properties with default value
+- Add style caching to reduce access time of properties with default value
 - arc: add set value by click feature
 - arc: add `LV_ARC_PART_KNOB` similarly to slider
-- send gestures even if the the obejct was dragged. User can check dragging with `lv_indev_is_dragging(lv_indev_act())` in the event function. 
+- send gestures event if the object was dragged. User can check dragging with `lv_indev_is_dragging(lv_indev_act())` in the event function.
 
 ### Bugfixes
 - Fix color bleeding on border drawing
@@ -177,7 +191,6 @@ The main new features of v7.4 are run-time font loading, style caching and arc k
 - gauge: fix image needle drawing
 - fix using freed memory in _lv_style_list_remove_style
 
-
 ## v7.2.0 (21.07.2020)
 
 ### New features
@@ -214,7 +227,7 @@ The main new features of v7.4 are run-time font loading, style caching and arc k
 - Add lv_btnmatrix_set/get_align capability
 - DMA2D: Remove dependency on ST CubeMX HAL
 - Added `max_used` propriety to `lv_mem_monitor_t` struct
-- In `lv_init` test if the the strings are UTF-8 encoded.
+- In `lv_init` test if the strings are UTF-8 encoded.
 - Add `user_data` to themes
 - Add LV_BIG_ENDIAN_SYSTEM flag to lv_conf.h in order to fix displaying images on big endian systems.
 - Add inline function lv_checkbox_get_state(const lv_obj_t * cb) to extend the checkbox functionality.
@@ -268,7 +281,7 @@ The main new features of v7.4 are run-time font loading, style caching and arc k
 - Remove memcpy from `lv_ll` (caused issues with some optimization settings)
 - `lv_chart` fix X tick drawing
 - Fix vertical dashed line drawing
-- Some additonal minor fixes and formattings
+- Some additional minor fixes and formattings
 
 ## v7.0.0 (18.05.2020)
 
@@ -281,7 +294,6 @@ The name of the project is changed to LVGL and the new website is on https://lvg
 
 LVGL remains free under the same conditions (MIT license) and a company is created to manage LVGL and offer services.
 
-
 ### New drawing system
 Complete rework of LVGL's draw engine to use "masks" for more advanced and higher quality graphical effects. 
 A possible use-case of this system is to remove the overflowing content from the rounded edges.
@@ -295,7 +307,6 @@ The API in this regard remained the same but some new functions were added:
 - `lv_img_set_angle`: set image object's angle without using canvas
 - `lv_img_set_pivot`: set the pivot point of rotation
 
-
 The new drawing engine brought new drawing features too. They are highlighted in the "style" section.
 
 ### New style system

CMakeLists.txt

@@ -32,6 +32,33 @@ if (CONFIG_LV_ATTRIBUTE_FAST_MEM_USE_IRAM)
     target_compile_definitions(${COMPONENT_LIB} PUBLIC "-DLV_ATTRIBUTE_FAST_MEM=IRAM_ATTR")
 endif()
 
+elseif(ZEPHYR_BASE)
+
+if(CONFIG_LVGL)
+
+zephyr_include_directories(${ZEPHYR_BASE}/lib/gui/lvgl)
+
+target_include_directories(lvgl INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+
+zephyr_compile_definitions(LV_CONF_KCONFIG_EXTERNAL_INCLUDE=<autoconf.h>)
+
+zephyr_compile_definitions_ifdef(CONFIG_LV_MEM_CUSTOM
+    LV_MEM_CUSTOM_ALLOC=${CONFIG_LV_MEM_CUSTOM_ALLOC}
+    )
+zephyr_compile_definitions_ifdef(CONFIG_LV_MEM_CUSTOM
+    LV_MEM_CUSTOM_FREE=${CONFIG_LV_MEM_CUSTOM_FREE}
+    )
+zephyr_compile_definitions_ifdef(CONFIG_LV_TICK_CUSTOM
+    LV_TICK_CUSTOM_SYS_TIME_EXPR=${CONFIG_LV_TICK_CUSTOM_SYS_TIME_EXPR}
+    )
+
+zephyr_library()
+
+file(GLOB_RECURSE SOURCES src/*.c)
+zephyr_library_sources(${SOURCES})
+
+endif() # CONFIG_LVGL
+
 else()
 message(FATAL_ERROR "Unknown platform.")
 endif()

Kconfig

@@ -50,9 +50,11 @@ menu "LVGL configuration"
 
     config LV_COLOR_16_SWAP
         bool "Swap the 2 bytes of RGB565 color. Useful if the display has a 8 bit interface (e.g. SPI)."
+        depends on LV_COLOR_DEPTH_16
 
     config LV_COLOR_SCREEN_TRANSP
         bool "Enable screen transparency."
+        depends on LV_COLOR_DEPTH_32
         help
             Useful for OSD or other overlapping GUIs.
             Requires `LV_COLOR_DEPTH = 32` colors and the screen's style
@@ -106,31 +108,31 @@ menu "LVGL configuration"
 
     menu "Memory manager settings"
     config LV_MEM_CUSTOM
-	    bool
+        bool
-	    prompt "If true use custom malloc/free, otherwise use the built-in `lv_mem_alloc` and `lv_mem_free`"
+        prompt "If true use custom malloc/free, otherwise use the built-in `lv_mem_alloc` and `lv_mem_free`"
 
     config LV_MEM_CUSTOM_INCLUDE
         string
         prompt "Header to include for the custom memory function"
-        default stdlib.h
+        default "stdlib.h"
         depends on LV_MEM_CUSTOM
 
     config LV_MEM_CUSTOM_ALLOC
         string
         prompt "Wrapper to malloc"
-        default malloc 
+        default "malloc"
         depends on LV_MEM_CUSTOM
 
     config LV_MEM_CUSTOM_FREE
         string
         prompt "Wrapper to free"
-        default free 
+        default "free"
         depends on LV_MEM_CUSTOM
 
-	config LV_MEM_SIZE_BYTES
+    config LV_MEM_SIZE_KILOBYTES
-	    int
+        int
-	    prompt "Size of the memory used by `lv_mem_alloc` in kilobytes (>= 2kB)"
+        prompt "Size of the memory used by `lv_mem_alloc` in kilobytes (>= 2kB)"
-	    range 2 128
+        range 2 128
         default 32
         depends on !LV_MEM_CUSTOM
 
@@ -208,6 +210,7 @@ menu "LVGL configuration"
             bool "Enable STM32 DMA2D."
         config LV_GPU_DMA2D_CMSIS_INCLUDE
             string "include path of CMSIS header of target processor"
+            depends on LV_USE_GPU_STM32_DMA2D
             default ""
             help
                 e.g. "stm32f769xx.h" or "stm32f429xx.h"
@@ -215,6 +218,7 @@ menu "LVGL configuration"
             bool "Use PXP for CPU off-load on NXP RTxxx platforms."
         config LV_USE_GPU_NXP_PXP_AUTO_INIT
             bool "Call lv_gpu_nxp_pxp_init() automatically or manually."
+            depends on LV_USE_GPU_NXP_PXP
             help
                 1: Add default bare metal and FreeRTOS interrupt handling
                 routines for PXP (lv_gpu_nxp_pxp_osa.c) and call
@@ -254,7 +258,7 @@ menu "LVGL configuration"
 
     menu "Image decoder and cache"
         config LV_IMG_CF_INDEXED
-            bool "Enable indexed (pallete) images."
+            bool "Enable indexed (palette) images."
             default y if !LV_CONF_MINIMAL
         config LV_IMG_CF_ALPHA
             bool "Enable alpha indexed images."
@@ -286,13 +290,13 @@ menu "LVGL configuration"
         config LV_TICK_CUSTOM_INCLUDE
             string
             prompt "Header for the system time function"
-            default Arduino.h
+            default "Arduino.h"
             depends on LV_TICK_CUSTOM
 
         config LV_TICK_CUSTOM_SYS_TIME_EXPR
             string
             prompt "Expression evaluating to current system time in ms"
-            default "(millis())"
+            default "millis()"
             depends on LV_TICK_CUSTOM
     endmenu
 
@@ -372,8 +376,12 @@ menu "LVGL configuration"
                 but with > 10,000 characters if you see issues probably you
                 need to enable it.
 
+        config LV_USE_FONT_SUBPX
+            bool "Enable subpixel rendering."
+
         config LV_FONT_SUBPX_BGR
             bool "Use BGR instead RGB for sub-pixel rendering."
+            depends on LV_USE_FONT_SUBPX
             help
                 Set the pixel order of the display.
                 Important only if "subpx fonts" are used.
@@ -797,7 +805,7 @@ menu "LVGL configuration"
     endmenu
 
     menu "Theme usage"
-	menu "Enable theme usage, always enable at least one theme"
+    menu "Enable theme usage, always enable at least one theme"
             config LV_THEME_EMPTY
                 bool "Empty: No theme, you can apply your styles as you need."
                 default y if LV_CONF_MINIMAL
@@ -808,7 +816,7 @@ menu "LVGL configuration"
                 default y if !LV_CONF_MINIMAL
             config LV_THEME_MONO
                 bool "Mono: Mono-color theme for monochrome displays"
-	endmenu
+    endmenu
 
         choice LV_THEME_DEFAULT_INIT
             prompt "Select theme default init"
@@ -857,10 +865,8 @@ menu "LVGL configuration"
 
             config LV_THEME_DEFAULT_FLAG_LIGHT
                 bool "Light theme"
-                depends on LV_THEME_MATERIAL
             config LV_THEME_DEFAULT_FLAG_DARK
                 bool "Dark theme"
-                depends on LV_THEME_MATERIAL
         endchoice
 
     endmenu
@@ -893,16 +899,16 @@ menu "LVGL configuration"
         config LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN
             int "Min num chars before break"
             default 3
+            depends on LV_TXT_LINE_BREAK_LONG_LEN > 0
             help
                 Minimum number of characters in a long word to put on a line before a break.
-                Depends on LV_TXT_LINE_BREAK_LONG_LEN
 
         config LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN
             int "Min num chars after break"
             default 3
+            depends on LV_TXT_LINE_BREAK_LONG_LEN > 0
             help
                 Minimum number of characters in a long word to put on a line after a break.
-                Depends on LV_TXT_LINE_BREAK_LONG_LEN
 
         config LV_TXT_COLOR_CMD
             string "The control character to use for signalling text recoloring"
@@ -976,6 +982,7 @@ menu "LVGL configuration"
            default y if !LV_CONF_MINIMAL
        config LV_CALENDAR_WEEK_STARTS_MONDAY
            bool "Calendar week starts monday."
+           depends on LV_USE_CALENDAR
        config LV_USE_CANVAS
            bool "Canvas. Dependencies: lv_img."
            select LV_USE_IMG
@@ -1005,7 +1012,7 @@ menu "LVGL configuration"
            default y if !LV_CONF_MINIMAL
        config LV_DROPDOWN_DEF_ANIM_TIME
            int "Drop down animation time. 0: no animation."
-           depends on LV_USE_DROPBOX
+           depends on LV_USE_DROPDOWN
            default 200
        config LV_USE_GAUGE
            bool "Gauge. Dependencies: lv_bar, lv_linemeter."
@@ -1033,13 +1040,17 @@ menu "LVGL configuration"
        config LV_LABEL_DEF_SCROLL_SPEED
            int "Hor. or ver. scroll speed [px/sec] in LV_LABEL_LONG_ROLL/ROLL_CIRC mode."
            default 25
+           depends on LV_USE_LABEL
        config LV_LABEL_WAIT_CHAR_COUNT
            int "Waiting period at beginning/end of animation cycle."
            default 3
+           depends on LV_USE_LABEL
        config LV_LABEL_TEXT_SEL
            bool "Enable selecting text of the label."
+           depends on LV_USE_LABEL
        config LV_LABEL_LONG_TXT_HINT
            bool "Store extra some info in labels (12 bytes) to speed up drawing of very long texts."
+           depends on LV_USE_LABEL
        config LV_USE_LED
            bool "LED."
            default y if !LV_CONF_MINIMAL
@@ -1047,10 +1058,12 @@ menu "LVGL configuration"
            int "LED minimal brightness."
            range 0 255
            default 120
+           depends on LV_USE_LED
        config LV_LED_BRIGHT_MAX
            int "LED maximal brightness."
            range 0 255
            default 255
+           depends on LV_USE_LED
        config LV_USE_LINE
            bool "Line."
            default y if !LV_CONF_MINIMAL
@@ -1064,12 +1077,14 @@ menu "LVGL configuration"
        config LV_LIST_DEF_ANIM_TIME
            int "List default animation time of focusing to a list element [ms]. 0: no animation."
            default 100
+           depends on LV_USE_LIST
        config LV_USE_LINEMETER
            bool "Line meter."
            default y if !LV_CONF_MINIMAL
        choice
            prompt "Draw line more precisely at cost of performance."
            default LV_LINEMETER_PRECISE_NO_EXTRA_PRECISION
+           depends on LV_USE_LINEMETER
            config LV_LINEMETER_PRECISE_NO_EXTRA_PRECISION
                bool "0: No extra precision."
            config LV_LINEMETER_PRECISE_SOME_EXTRA_PRECISION
@@ -1093,6 +1108,7 @@ menu "LVGL configuration"
        config LV_PAGE_DEF_ANIM_TIME
            int "Focus default animation time [ms]. 0: No animation."
            default 100
+           depends on LV_USE_PAGE
        config LV_USE_SPINNER
            bool "Spinner. Dependencies: lv_arc, lv_anim."
            select LV_USE_ARC
@@ -1101,12 +1117,15 @@ menu "LVGL configuration"
        config LV_SPINNER_DEF_ARC_LENGTH
            int "Spinner def. arc length [deg]."
            default 60
+           depends on LV_USE_SPINNER
        config LV_SPINNER_DEF_SPIN_TIME
            int "Spinner def. spin time [ms]."
            default 1000
+           depends on LV_USE_SPINNER
        choice
            prompt "Type of spinner (animation type)."
            default LV_SPINNER_TYPE_SPINNING_ARC
+           depends on LV_USE_SPINNER
            config LV_SPINNER_TYPE_SPINNING_ARC
                bool "0: Spinner type spinning arc."
            config LV_SPINNER_TYPE_FILLSPIN_ARC
@@ -1121,9 +1140,11 @@ menu "LVGL configuration"
        config LV_ROLLER_DEF_ANIM_TIME
            int "Focus animation time [ms]. 0: no animation."
            default 200
+           depends on LV_USE_ROLLER
        config LV_ROLLER_INF_PAGES
            int "Number of extra 'pages' when the controller is infinite."
            default 7
+           depends on LV_USE_ROLLER
        config LV_USE_SLIDER
            bool "Slider. Dependencies: lv_bar."
            select LV_USE_BAR
@@ -1144,9 +1165,11 @@ menu "LVGL configuration"
        config LV_TEXTAREA_DEF_CURSOR_BLINK_TIME
            int "Text area def. cursor blink time [ms]."
            default 400
+           depends on LV_USE_TEXTAREA
        config LV_TEXTAREA_DEF_PWN_SHOW_TIME
            int "Text area def. pwn show time [ms]."
            default 1500
+           depends on LV_USE_TEXTAREA
        config LV_USE_TABLE
            bool "Table. Dependencies: lv_label."
            select LV_USE_LABEL
@@ -1154,9 +1177,11 @@ menu "LVGL configuration"
        config LV_TABLE_COL_MAX
            int "Table col max."
            default 12
+           depends on LV_USE_TABLE
        config LV_TABLE_CELL_STYLE_CNT
            int "Table cell style count."
            default 4
+           depends on LV_USE_TABLE
        config LV_USE_TABVIEW
            bool "Tab. Dependencies: lv_page, lv_btnm."
            select LV_USE_PAGE
@@ -1165,6 +1190,7 @@ menu "LVGL configuration"
        config LV_TABVIEW_DEF_ANIM_TIME
            int "Time of slide animation [ms]. 0: No animation."
            default 300
+           depends on LV_USE_TABVIEW
        config LV_USE_TILEVIEW
            bool "Tileview. Dependencies: lv_page."
            select LV_USE_PAGE
@@ -1172,6 +1198,7 @@ menu "LVGL configuration"
        config LV_TILEVIEW_DEF_ANIM_TIME
            int "Time of slide animation [ms]. 0: No animation."
            default 300
+           depends on LV_USE_TILEVIEW
        config LV_USE_WIN
            bool "Window. Dependencies: lv_cont, lv_btn, lv_label, lv_img, lv_page."
            select LV_USE_CONT

docs/ROADMAP.md

@@ -27,40 +27,37 @@ Planned to November/December 2020
 - Simplified File system interface ([feat/new_fs_api](https://github.com/lvgl/lvgl/tree/feat/new-fs-api) branch) to make porting easier
   - Work in progress
 - Remove the align parameter from `lv_canvas_draw_text`
-- Remove the copy paramter from create functions
+- Make the copy parameter obsolate in create functions
-- Style selectors and style-based states See [#1832](https://github.com/lvgl/lvgl/issues/1832)
+- Optimize and simplifie styles [#1832](https://github.com/lvgl/lvgl/issues/1832)
-- Add Object Orianted system [#1919](https://github.com/lvgl/lvgl/issues/1919)
+- Use a more generic inheritenace [#1919](https://github.com/lvgl/lvgl/issues/1919)
-
-## v8.1
-- Add radio button widget
 
 ## v8.x
+- Add radio button widget
 - Unit testing (gtest?). See [#1658](https://github.com/lvgl/lvgl/issues/1658)
 - Benchmarking (gem5?). See [#1660](https://github.com/lvgl/lvgl/issues/1660)
+- chart: pre-delete `X` pint after the lastly set
+- chart: autoscroll to the right
 
 ## v9
 - Simplify `group`s. Discussion is [here](https://forum.lvgl.io/t/lv-group-tabindex/2927/3).
 - Consider direct binary font format support
-- Optimize line and cirle drawing and masking
+- Optimize line and circle drawing and masking
 - Reconsider color format management for run time color format setting, and custom color format usage. (Also [RGB888](https://github.com/lvgl/lvgl/issues/1722))
 - 9-patch support for `lv_imgbtn`.
 - Handle stride. See [#1858](https://github.com/lvgl/lvgl/issues/1858)
 - Make gradients more versatile
 - Make image transformations more versatile
-- Allow snapshoting object to tranfrom them as images
+- Allow snapshoting object to tranfrom them to images
-
-## v10
-- Remove property level states
-
 
 ## Ideas
+- Use [generate-changelog](https://github.com/lob/generate-changelog) to automatically generate changelog
 - lv_mem_alloc_aligned(size, align)
 - Text node. See [#1701](https://github.com/lvgl/lvgl/issues/1701#issuecomment-699479408)
 - CPP binding. See [Forum](https://forum.lvgl.io/t/is-it-possible-to-officially-support-optional-cpp-api/2736)
-- Optmize font decompression
+- Optimize font decompression
 - Switch to RGBA colors in styles
 - Need coverage report for tests
-- Need static analize (via coverity.io or somehing else)
+- Need static analyze (via coverity.io or somehing else)
 - Support dot_begin and dot_middle long modes for labels
 - Add new label alignment modes. [#1656](https://github.com/lvgl/lvgl/issues/1656)
 - Support larger images: [#1892](https://github.com/lvgl/lvgl/issues/1892)

examples/porting/lv_port_disp_template.c

@@ -55,7 +55,7 @@ void lv_port_disp_init(void)
      *----------------------------*/
 
     /* LVGL requires a buffer where it internally draws the widgets.
-     * Later this buffer will passed your display drivers `flush_cb` to copy its content to your dispay.
+     * Later this buffer will passed your display drivers `flush_cb` to copy its content to your display.
      * The buffer has to be greater than 1 display row
      *
      * There are three buffering configurations:
@@ -91,7 +91,6 @@ void lv_port_disp_init(void)
     static lv_color_t draw_buf_3_1[LV_HOR_RES_MAX * LV_VER_RES_MAX];            /*An other screen sized buffer*/
     lv_disp_buf_init(&draw_buf_dsc_3, draw_buf_3_1, draw_buf_3_2, LV_HOR_RES_MAX * LV_VER_RES_MAX);   /*Initialize the display buffer*/
 
-
     /*-----------------------------------
      * Register the display in LVGL
      *----------------------------------*/
@@ -157,7 +156,6 @@ static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_colo
     lv_disp_flush_ready(disp_drv);
 }
 
-
 /*OPTIONAL: GPU INTERFACE*/
 #if LV_USE_GPU
 

examples/porting/lv_port_disp_template.h

@@ -34,7 +34,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

examples/porting/lv_port_fs_template.c

@@ -36,7 +36,6 @@ typedef struct {
     uint32_t dummy2;
 }dir_t;
 
-
 /**********************
  *  STATIC PROTOTYPES
  **********************/
@@ -81,7 +80,7 @@ void lv_port_fs_init(void)
     fs_init();
 
     /*---------------------------------------------------
-     * Register the file system interface  in LVGL
+     * Register the file system interface in LVGL
      *--------------------------------------------------*/
 
     /* Add a simple drive to open images */
@@ -118,7 +117,7 @@ void lv_port_fs_init(void)
 /* Initialize your Storage device and File system. */
 static void fs_init(void)
 {
-    /*E.g. for FatFS initalize the SD card and FatFS itself*/
+    /*E.g. for FatFS initialize the SD card and FatFS itself*/
 
     /*You code here*/
 }
@@ -157,7 +156,6 @@ static lv_fs_res_t fs_open (lv_fs_drv_t * drv, void * file_p, const char * path,
     return res;
 }
 
-
 /**
  * Close an opened file
  * @param drv pointer to a driver where this function belongs
@@ -264,7 +262,7 @@ static lv_fs_res_t fs_tell (lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p)
  * Delete a file
  * @param drv pointer to a driver where this function belongs
  * @param path path of the file to delete
- * @return  LV_FS_RES_OK or any error from lv_fs_res_t enum
+ * @return LV_FS_RES_OK or any error from lv_fs_res_t enum
  */
 static lv_fs_res_t fs_remove (lv_fs_drv_t * drv, const char *path)
 {

examples/porting/lv_port_fs_template.h

@@ -34,7 +34,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

examples/porting/lv_port_indev_template.c

@@ -79,7 +79,6 @@ void lv_port_indev_init(void)
      *  You should shape them according to your hardware
      */
 
-
     lv_indev_drv_t indev_drv;
 
     /*------------------
@@ -174,8 +173,6 @@ void lv_port_indev_init(void)
  *   STATIC FUNCTIONS
  **********************/
 
-
-
 /*------------------
  * Touchpad
  * -----------------*/
@@ -225,7 +222,6 @@ static void touchpad_get_xy(lv_coord_t * x, lv_coord_t * y)
     (*y) = 0;
 }
 
-
 /*------------------
  * Mouse
  * -----------------*/
@@ -361,7 +357,6 @@ static void encoder_handler(void)
     encoder_state = LV_INDEV_STATE_REL;
 }
 
-
 /*------------------
  * Button
  * -----------------*/

examples/porting/lv_port_indev_template.h

@@ -35,7 +35,6 @@ extern "C" {
  *      MACROS
  **********************/
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

library.json

@@ -1,6 +1,6 @@
 {
 	"name": "lvgl",
-    "version": "8.0.0",
+  "version": "8.0.0",
 	"keywords": "graphics, gui, embedded, tft, lvgl",
 	"description": "Graphics library to create embedded GUI with easy-to-use graphical elements, beautiful visual effects and low memory footprint. It offers anti-aliasing, opacity, and animations using only one frame buffer.",
 	"repository": {

lv_conf_template.h

@@ -1,10 +1,6 @@
 /**
  * @file lv_conf.h
-<<<<<<< HEAD
  * Configuration file for v8.0.0-dev
-=======
- * Configuration file for v7.8.1-dev
->>>>>>> master
  */
 
 /*
@@ -138,7 +134,6 @@ typedef int16_t lv_coord_t;
  * Time between `LV_EVENT_LONG_PRESSED_REPEAT */
 #define LV_INDEV_DEF_LONG_PRESS_REP_TIME  100
 
-
 /* Gesture threshold in pixels */
 #define LV_INDEV_DEF_GESTURE_LIMIT        50
 
@@ -690,6 +685,26 @@ typedef void * lv_obj_user_data_t;
 #  define LV_TABLE_CELL_STYLE_CNT 4
 #endif
 
+<<<<<<< HEAD
+=======
+/*Tab (dependencies: lv_page, lv_btnm)*/
+#define LV_USE_TABVIEW      1
+#  if LV_USE_TABVIEW != 0
+/*Time of slide animation [ms] (0: no animation)*/
+#  define LV_TABVIEW_DEF_ANIM_TIME    300
+#endif
+
+/*Tileview (dependencies: lv_page) */
+#define LV_USE_TILEVIEW     1
+#if LV_USE_TILEVIEW
+/*Time of slide animation [ms] (0: no animation)*/
+#  define LV_TILEVIEW_DEF_ANIM_TIME   300
+#endif
+
+/*Window (dependencies: lv_cont, lv_btn, lv_label, lv_img, lv_page)*/
+#define LV_USE_WIN      1
+
+>>>>>>> master
 /*==================
  * Non-user section
  *==================*/

lvgl.h

@@ -10,7 +10,6 @@
 extern "C" {
 #endif
 
-
 /***************************
  * CURRENT VERSION OF LVGL
  ***************************/
@@ -106,6 +105,29 @@ extern "C" {
  * */
 #define LV_VERSION_CHECK(x,y,z) (x == LVGL_VERSION_MAJOR && (y < LVGL_VERSION_MINOR || (y == LVGL_VERSION_MINOR && z <= LVGL_VERSION_PATCH)))
 
+/**
+ * Wrapper functions for VERSION macros
+ */
+
+static inline int lv_version_major()
+{
+    return LVGL_VERSION_MAJOR;
+}
+
+static inline int lv_version_minor()
+{
+    return LVGL_VERSION_MINOR;
+}
+
+static inline int lv_version_patch()
+{
+    return LVGL_VERSION_PATCH;
+}
+
+static inline const char *lv_version_info()
+{
+    return LVGL_VERSION_INFO;
+}
 
 #ifdef __cplusplus
 }

lvgl.mk

@@ -6,5 +6,3 @@ include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_misc/lv_misc.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_themes/lv_themes.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_draw/lv_draw.mk
 include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_gpu/lv_gpu.mk
-
-

scripts/built_in_font/generate_all.py

@@ -101,5 +101,3 @@ os.system('sed -i \'s|#include "lvgl/lvgl.h"|#include "../../lvgl.h"|\' lv_font_
 print("\nGenerating 16 px Hebrew, Persian")
 os.system("./built_in_font_gen.py --size 16 -o lv_font_dejavu_16_persian_hebrew.c --bpp 4 --font DejaVuSans.ttf -r 0x20-0x7f,0x5d0-0x5ea,0x600-0x6FF,0xFB50-0xFDFF,0xFE70-0xFEFF")
 os.system('sed -i \'s|#include "lvgl/lvgl.h"|#include "../../lvgl.h"|\' lv_font_dejavu_16_persian_hebrew.c')
-
-

scripts/code-format.cfg

@@ -47,4 +47,3 @@
 --exclude=../src/lv_font/lv_font_montserrat_28_compressed.c
 --exclude=../src/lv_font/lv_font_simsun_16_cjk.c
 --exclude=../src/lv_font/lv_font_dejavu_16_persian_hebrew.c
-

scripts/cppcheck_run.sh

@@ -1,2 +1 @@
 cppcheck -j8 --template="{severity}\t{file}:{line}\t{id}: {message}" --enable=all ../src/ --output-file=cppcheck_res.txt --suppress=unusedFunction --suppress=preprocessorErrorDirective --force
-    

scripts/infer_run.sh

@@ -6,5 +6,4 @@
 # | sudo tar -C /opt -xJ && \
 # sudoln -s "/opt/infer-linux64-v$VERSION/bin/infer" /usr/local/bin/infer
 
-
 infer run -- make -j8

scripts/lv_conf_checker.py

@@ -4,7 +4,6 @@
 Generates a checker file for lv_conf.h from lv_conf_template.h define all the not defined values
 '''
 
-
 import sys
 import re
 
@@ -15,7 +14,6 @@ if sys.version_info < (3,6,0):
 fin = open("../lv_conf_template.h", "r")
 fout = open("../src/lv_conf_internal.h", "w")
 
-
 fout.write(
 '''/**
  * GENERATED FILE, DO NOT EDIT IT!
@@ -93,14 +91,13 @@ for i in fin.read().splitlines():
 
   if r:
     line = re.sub('\(.*?\)', '', r[1], 1)    #remove parentheses from macros
-    
     dr = re.sub('.*# *define', '', i, 1)
     d = "#    define " + dr
 		
     fout.write(
       f'#ifndef {line}\n'
-      f'#  ifdef CONFIG_{line}\n'
+      f'#  ifdef CONFIG_{line.upper()}\n'
-      f'#    define {line} CONFIG_{line}\n'
+      f'#    define {line} CONFIG_{line.upper()}\n'
       f'#  else\n'
       f'{d}\n'
       f'#  endif\n'
@@ -111,7 +108,6 @@ for i in fin.read().splitlines():
   else:
     fout.write(f'{i}\n')
 
-
 fout.write(
 '''
 

scripts/release/com.py

@@ -14,7 +14,7 @@ def cmd(c, ask_on_err = True):
   if r:
     print("### Error: " + str(r))
     if ask_on_err:
-        input("Press Enter to continue exectution...")
+        input("Press Enter to continue execution...")
 
 def define_set(fn, name, value):
     print("In " + fn + " set " + name + " to " + value)
@@ -108,4 +108,3 @@ def update_version(ver):
         define_set("./lvgl.h", "LVGL_VERSION_MINOR", str(ver[1]))
         define_set("./lvgl.h", "LVGL_VERSION_PATCH", str(ver[2]))
         define_set("./lvgl.h", "LVGL_VERSION_INFO", "\"" + ver[3] + "\"")
-    

scripts/release/dev.py

@@ -28,7 +28,6 @@ def docs_update_ver(ver, br):
 
     os.chdir("../")
 
-    
 def merge_dev_to_master():
     os.chdir("./lvgl")
     com.cmd("git checkout master")
@@ -43,7 +42,6 @@ def merge_dev_to_master():
     com.push("origin latest")
     os.chdir("../")
 
-    
 def make(mode):
     if(mode == "bugfix"):
         ver = com.get_lvgl_version("master")

scripts/release/main.py

@@ -47,7 +47,7 @@ if __name__ == '__main__':
 
 #    if(len(sys.argv) != 2):
 #        print("Missing argument. Usage ./release.py bugfix | minor | major")
-#        print("Use minor by deafult")
+#        print("Use minor by default")
 #    else:
 #        dev_prepare = sys.argv[1]
 

scripts/release/proj.py

@@ -7,11 +7,10 @@ import re
 import subprocess
 import com
 
-    
 def make(repo_path, auto_push = False):
         os.chdir("./" + repo_path)
         com.cmd('git checkout master')
-        print("Upadte lvgl");
+        print("Update lvgl");
         os.chdir("./lvgl")
         com.cmd("git checkout master")
         com.cmd("git pull origin --tags")
@@ -37,13 +36,12 @@ def make(repo_path, auto_push = False):
                 (key, val) = line.rstrip().split('\t')
                 com.define_set("lv_conf.h", str(key), str(val))
 
-
         if os.path.exists("lv_examples"):
-            print("Upadte lv_examples");
+            print("Update lv_examples");
             com.cmd("cd lv_examples; git co " + release_br + "; git pull origin " + release_br)
 
         if os.path.exists("lv_drivers"):
-            print("upadte lv_drivers");
+            print("update lv_drivers");
             com.cmd("cd lv_drivers " + release_br + "; git pull origin " + release_br)
 
         msg = 'Update to ' + ver_str

scripts/release/release.py

@@ -78,7 +78,6 @@ def lvgl_release(ver):
 
     return release_note
 
-    
 def lv_examples_release(ver):
     print("Release lv_examples")
 
@@ -88,13 +87,15 @@ def lv_examples_release(ver):
 
     com.update_version(ver)
 
-    com.cmd("sed -i -r 's/LV_VERSION_CHECK\([0-9]+, *[0-9]+, *[0-9]+\)/"+ "LV_VERSION_CHECK(" + str(ver[0]) + ", " + str(ver[1]) + ", " + str(ver[2]) + ")/' lv_examples.h")
+    com.cmd("sed -i -r 's/LV_VERSION_CHECK\([0-9]+, *[0-9]+, *[0-9]+\)/"+ "LV_VERSION_CHECK\(" + str(ver[0]) + ", " + str(ver[1]) + ", " + str(ver[2]) + ")/' lv_examples.h")
 
     com.cmd('git commit -am "Release ' + ver_str + '"')
     com.cmd("git tag -a " + ver_str + " -m 'Release " + ver_str + "' ")
     com.push('origin master')
     com.push('origin --tags')
 
+    update_release_branch(release_br)
+    
     os.chdir("../")
 
 def lv_drivers_release(ver):
@@ -160,7 +161,6 @@ def blog_release(ver, release_note):
 
     os.chdir("../../")
 
-    
 def make():
     ver = com.get_lvgl_version("master")
     release_note = lvgl_release(ver)

src/lv_conf_internal.h

@@ -349,7 +349,6 @@
 #  endif
 #endif
 
-
 /* Gesture threshold in pixels */
 #ifndef LV_INDEV_DEF_GESTURE_LIMIT
 #  ifdef CONFIG_LV_INDEV_DEF_GESTURE_LIMIT
@@ -602,7 +601,7 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h" */
  * (I.e. no new image decoder is added)
  * With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images.
  * However the opened images might consume additional RAM.
- * LV_IMG_CACHE_DEF_SIZE must be >= 1 */
+ * Set it to 0 to disable caching */
 #ifndef LV_IMG_CACHE_DEF_SIZE
 #  ifdef CONFIG_LV_IMG_CACHE_DEF_SIZE
 #    define LV_IMG_CACHE_DEF_SIZE CONFIG_LV_IMG_CACHE_DEF_SIZE
@@ -1363,15 +1362,15 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h" */
 #  endif
 #endif
 #ifndef lv_snprintf
-#  ifdef CONFIG_lv_snprintf
+#  ifdef CONFIG_LV_SNPRINTF
-#    define lv_snprintf CONFIG_lv_snprintf
+#    define lv_snprintf CONFIG_LV_SNPRINTF
 #  else
 #    define  lv_snprintf     snprintf
 #  endif
 #endif
 #ifndef lv_vsnprintf
-#  ifdef CONFIG_lv_vsnprintf
+#  ifdef CONFIG_LV_VSNPRINTF
-#    define lv_vsnprintf CONFIG_lv_vsnprintf
+#    define lv_vsnprintf CONFIG_LV_VSNPRINTF
 #  else
 #    define  lv_vsnprintf    vsnprintf
 #  endif

src/lv_conf_kconfig.h

@@ -30,8 +30,8 @@ extern "C" {
  *******************/
 
 #ifndef LV_MEM_SIZE
-#if defined (CONFIG_LV_MEM_SIZE_BYTES)
+#if defined (CONFIG_LV_MEM_SIZE_KILOBYTES)
-#define CONFIG_LV_MEM_SIZE    (CONFIG_LV_MEM_SIZE_BYTES * 1024U)
+#define CONFIG_LV_MEM_SIZE    (CONFIG_LV_MEM_SIZE_KILOBYTES * 1024U)
 #endif
 #endif
 
@@ -337,9 +337,9 @@ extern "C" {
  *-----------------*/
 #ifndef LV_TEXT_ENC
 #ifdef CONFIG_LV_TXT_ENC_UTF8
-#define CONFIG_LV_TXT_ENC  LV_TXT_ENC_UTF8
+#define CONFIG_LV_TXT_ENC LV_TXT_ENC_UTF8
 #elif defined CONFIG_LV_TXT_ENC_ASCII
-#define CONFIG_LV_TXT_ENC  LV_TXT_ENC_ASCII
+#define CONFIG_LV_TXT_ENC LV_TXT_ENC_ASCII
 #endif
 #endif
 
@@ -363,11 +363,11 @@ extern "C" {
 
 #ifndef LV_USE_EXT_CLICK_AREA
 #ifdef CONFIG_LV_USE_EXT_CLICK_AREA_OFF
-#define CONFIG_LV_USE_EXT_CLICK_AREA  LV_EXT_CLICK_AREA_OFF
+#define CONFIG_LV_USE_EXT_CLICK_AREA LV_EXT_CLICK_AREA_OFF
 #elif defined CONFIG_LV_USE_EXT_CLICK_AREA_TINY
-#define CONFIG_LV_USE_EXT_CLICK_AREA  LV_EXT_CLICK_AREA_TINY
+#define CONFIG_LV_USE_EXT_CLICK_AREA LV_EXT_CLICK_AREA_TINY
 #elif defined CONFIG_LV_USE_EXT_CLICK_AREA_FULL
-#define CONFIG_LV_USE_EXT_CLICK_AREA  LV_EXT_CLICK_AREA_FULL
+#define CONFIG_LV_USE_EXT_CLICK_AREA LV_EXT_CLICK_AREA_FULL
 #endif
 #endif
 
@@ -385,7 +385,6 @@ extern "C" {
 #endif
 #endif
 
-
 /*------------------
  * SPINNER DEF ANIM
  *-----------------*/
@@ -400,6 +399,20 @@ extern "C" {
 #endif
 #endif
 
+/*------------------
+ * SPRINTF DISABLE FLOAT
+ *-----------------*/
+
+#if defined(CONFIG_LV_CONF_SKIP) || defined(LV_CONF_SKIP)
+#  ifndef LV_SPRINTF_DISABLE_FLOAT
+#    ifndef CONFIG_LV_SPRINTF_DISABLE_FLOAT
+#      define LV_SPRINTF_DISABLE_FLOAT    0
+#    else
+#      define LV_SPRINTF_DISABLE_FLOAT    1
+#    endif
+#  endif
+#endif
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

src/lv_conf_zephyr.h

@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2020 Jan Van Winkel <jan.van_winkel@dxplore.eu>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifdef __ZEPHYR__
-
-    #include <autoconf.h>
-
-    #define LV_MEM_CUSTOM 1
-
-    #define LV_MEMCPY_MEMSET_STD 1
-
-    #ifdef CONFIG_LVGL_MEM_POOL_HEAP_KERNEL
-
-        #define LV_MEM_CUSTOM_INCLUDE   "kernel.h"
-        #define LV_MEM_CUSTOM_ALLOC     k_malloc
-        #define LV_MEM_CUTOM_FREE       k_free
-
-    #elif defined(CONFIG_LVGL_MEM_POOL_HEAP_LIB_C)
-
-        #define LV_MEM_CUSTOM_INCLUDE   "stdlib.h"
-        #define LV_MEM_CUSTOM_ALLOC     malloc
-        #define LV_MEM_CUTOM_FREE       free
-
-    #else
-
-        #define LV_MEM_CUSTOM_INCLUDE   "lvgl_mem.h"
-        #define LV_MEM_CUSTOM_ALLOC     lvgl_malloc
-        #define LV_MEM_CUTOM_FREE       lvgl_free
-
-    #endif
-
-    #define LV_ENABLE_GC 0
-
-    #define LV_TICK_CUSTOM                  1
-    #define LV_TICK_CUSTOM_INCLUDE          "kernel.h"
-    #define LV_TICK_CUSTOM_SYS_TIME_EXPR    (k_uptime_get_32())
-
-    #define LV_SPRINTF_CUSTOM 1
-
-    #if LV_SPRINTF_CUSTOM
-        #define LV_SPRINTF_INCLUDE  "stdio.h"
-        #define lv_snprintf         snprintf
-        #define lv_vsnprintf        vsnprintf
-    #endif
-
-#endif

src/lv_core/lv_disp.c

@@ -161,7 +161,6 @@ void lv_disp_set_bg_image(lv_disp_t * disp, const void  * img_src)
     _lv_inv_area(disp, &a);
 }
 
-
 /**
  * Opacity of the background
  * @param disp pointer to a display
@@ -197,8 +196,7 @@ void lv_scr_load_anim(lv_obj_t * new_scr, lv_scr_load_anim_t anim_type, uint32_t
     lv_disp_t * d = lv_obj_get_disp(new_scr);
     lv_obj_t * act_scr = lv_scr_act();
 
-
+    if(d->del_prev && act_scr != d->scr_to_load && d->scr_to_load) {
-    if(d->del_prev && act_scr != d->scr_to_load) {
         lv_obj_del(act_scr);
         lv_disp_load_scr(d->scr_to_load);
         lv_anim_del(d->scr_to_load, NULL);

src/lv_core/lv_disp.h

@@ -199,7 +199,6 @@ static inline void lv_scr_load(lv_obj_t * scr)
 #define LV_VER_RES lv_disp_get_ver_res(lv_disp_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

src/lv_core/lv_group.c

@@ -13,10 +13,6 @@
 #include "../lv_themes/lv_theme.h"
 #include "../lv_misc/lv_gc.h"
 
-#if defined(LV_GC_INCLUDE)
-    #include LV_GC_INCLUDE
-#endif /* LV_ENABLE_GC */
-
 /*********************
  *      DEFINES
  *********************/
@@ -84,7 +80,7 @@ lv_group_t * lv_group_create(void)
  */
 void lv_group_del(lv_group_t * group)
 {
-    /*Defocus the the currently focused object*/
+    /*Defocus the currently focused object*/
     if(group->obj_focus != NULL) {
         (*group->obj_focus)->signal_cb(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
         lv_obj_invalidate(*group->obj_focus);
@@ -191,7 +187,7 @@ void lv_group_remove_obj(lv_obj_t * obj)
  */
 void lv_group_remove_all_objs(lv_group_t * group)
 {
-    /*Defocus the the currently focused object*/
+    /*Defocus the currently focused object*/
     if(group->obj_focus != NULL) {
         (*group->obj_focus)->signal_cb(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
         lv_obj_invalidate(*group->obj_focus);

src/lv_core/lv_indev.c

@@ -578,7 +578,7 @@ static void indev_encoder_proc(lv_indev_t * i, lv_indev_data_t * data)
     }
 
     /* Save the last keys before anything else.
-     * They need to be already saved if the the function returns for any reason*/
+     * They need to be already saved if the function returns for any reason*/
     lv_indev_state_t last_state     = i->proc.types.keypad.last_state;
     i->proc.types.keypad.last_state = data->state;
     i->proc.types.keypad.last_key   = data->key;
@@ -650,7 +650,7 @@ static void indev_encoder_proc(lv_indev_t * i, lv_indev_data_t * data)
                 /*On enter long press toggle edit mode.*/
                 if(editable) {
                     /*Don't leave edit mode if there is only one object (nowhere to navigate)*/
-                    if(_lv_ll_is_empty(&g->obj_ll) == false) {
+                    if(_lv_ll_get_len(&g->obj_ll) > 1) {
                         lv_group_set_editing(g, lv_group_get_editing(g) ? false : true); /*Toggle edit mode on long press*/
                     }
                 }
@@ -716,7 +716,7 @@ static void indev_encoder_proc(lv_indev_t * i, lv_indev_data_t * data)
             /*An object is being edited and the button is released. */
             else if(g->editing) {
                 /*Ignore long pressed enter release because it comes from mode switch*/
-                if(!i->proc.long_pr_sent || _lv_ll_is_empty(&g->obj_ll)) {
+                if(!i->proc.long_pr_sent || _lv_ll_get_len(&g->obj_ll) <= 1) {
                     indev_obj_act->signal_cb(indev_obj_act, LV_SIGNAL_RELEASED, NULL);
                     if(indev_reset_check(&i->proc)) return;
 
@@ -1170,7 +1170,6 @@ static void indev_click_focus(lv_indev_proc_t * proc)
 
 }
 
-
 /**
 * Handle the gesture of indev_proc_p->types.pointer.act_obj
 * @param indev pointer to a input device state
@@ -1190,7 +1189,6 @@ void indev_gesture(lv_indev_proc_t * proc)
 
     if(gesture_obj == NULL) return;
 
-
     if((LV_ABS(proc->types.pointer.vect.x) < indev_act->driver.gesture_min_velocity) &&
        (LV_ABS(proc->types.pointer.vect.y) < indev_act->driver.gesture_min_velocity)) {
         proc->types.pointer.gesture_sum.x = 0;
@@ -1226,8 +1224,6 @@ void indev_gesture(lv_indev_proc_t * proc)
     }
 }
 
-
-
 /**
  * Checks if the reset_query flag has been set. If so, perform necessary global indev cleanup actions
  * @param proc pointer to an input device 'proc'

src/lv_core/lv_refr.c

@@ -23,10 +23,6 @@
     #include "../lv_widgets/lv_label.h"
 #endif
 
-#if defined(LV_GC_INCLUDE)
-    #include LV_GC_INCLUDE
-#endif /* LV_ENABLE_GC */
-
 /*********************
  *      DEFINES
  *********************/
@@ -78,7 +74,7 @@ void _lv_refr_init(void)
 /**
  * Redraw the invalidated areas now.
  * Normally the redrawing is periodically executed in `lv_task_handler` but a long blocking process
- * can prevent the call of `lv_task_handler`. In this case if the the GUI is updated in the process
+ * can prevent the call of `lv_task_handler`. In this case if the GUI is updated in the process
  * (e.g. progress bar) this function can be called when the screen should be updated.
  * @param disp pointer to display to refresh. NULL to refresh all displays.
  */
@@ -564,7 +560,6 @@ static void lv_refr_area_part(const lv_area_t * area_p)
 
     }
 
-
     if(top_act_scr == NULL) {
         top_act_scr = disp_refr->act_scr;
     }

src/lv_core/lv_refr.h

@@ -50,7 +50,7 @@ void _lv_refr_init(void);
 /**
  * Redraw the invalidated areas now.
  * Normally the redrawing is periodically executed in `lv_task_handler` but a long blocking process
- * can prevent the call of `lv_task_handler`. In this case if the the GUI is updated in the process
+ * can prevent the call of `lv_task_handler`. In this case if the GUI is updated in the process
  * (e.g. progress bar) this function can be called when the screen should be updated.
  * @param disp pointer to display to refresh. NULL to refresh all displays.
  */

src/lv_core/lv_style.h

@@ -581,8 +581,6 @@ bool lv_style_is_empty(const lv_style_t * style);
  */
 #define LV_STYLE_CREATE(name, copy_p) static lv_style_t name; lv_style_init(&name); lv_style_copy(&name, copy_p);
 
-
-
 #if LV_USE_DEBUG
 
 # ifndef LV_DEBUG_IS_STYLE

src/lv_draw/lv_draw_arc.c

@@ -34,7 +34,6 @@ typedef struct {
     const lv_area_t * clip_area;
 } quarter_draw_dsc_t;
 
-
 /**********************
  *  STATIC PROTOTYPES
  **********************/
@@ -44,7 +43,6 @@ static void draw_quarter_2(quarter_draw_dsc_t * q);
 static void draw_quarter_3(quarter_draw_dsc_t * q);
 static void get_rounded_area(int16_t angle, lv_coord_t radius, uint8_t thickness, lv_area_t * res_area);
 
-
 /**********************
  *  STATIC VARIABLES
  **********************/
@@ -364,7 +362,6 @@ static void draw_quarter_2(quarter_draw_dsc_t * q)
     }
 }
 
-
 static void draw_quarter_3(quarter_draw_dsc_t * q)
 {
     lv_area_t quarter_area;
@@ -418,7 +415,6 @@ static void draw_quarter_3(quarter_draw_dsc_t * q)
     }
 }
 
-
 static void get_rounded_area(int16_t angle, lv_coord_t radius, uint8_t thickness, lv_area_t * res_area)
 {
     const uint8_t ps = 8;
@@ -456,4 +452,3 @@ static void get_rounded_area(int16_t angle, lv_coord_t radius, uint8_t thickness
         res_area->y2 = cir_y + thick_half - thick_corr;
     }
 }
-

src/lv_draw/lv_draw_blend.c

@@ -70,7 +70,7 @@ static inline lv_color_t color_blend_true_color_subtractive(lv_color_t fg, lv_co
  *  STATIC VARIABLES
  **********************/
 
-#if LV_USE_GPU || LV_USE_GPU_STM32_DMA2D
+#if (LV_USE_GPU || LV_USE_GPU_STM32_DMA2D) && (LV_USE_GPU_NXP_PXP == 0) && (LV_USE_GPU_NXP_VG_LITE == 0)
     LV_ATTRIBUTE_DMA static lv_color_t blend_buf[LV_HOR_RES_MAX];
 #endif
 
@@ -78,7 +78,6 @@ static inline lv_color_t color_blend_true_color_subtractive(lv_color_t fg, lv_co
  *      MACROS
  **********************/
 
-
 #define FILL_NORMAL_MASK_PX(out_x,  color)                                                          \
     if(*mask_tmp_x) {          \
         if(*mask_tmp_x == LV_OPA_COVER) disp_buf_first[out_x] = color;                                 \
@@ -86,7 +85,6 @@ static inline lv_color_t color_blend_true_color_subtractive(lv_color_t fg, lv_co
     }                                                                                               \
     mask_tmp_x++;
 
-
 #define FILL_NORMAL_MASK_PX_SCR_TRANSP(out_x,  color)                                               \
     if(*mask_tmp_x) {          \
         if(*mask_tmp_x == LV_OPA_COVER) disp_buf_first[out_x] = color;                                 \
@@ -96,7 +94,6 @@ static inline lv_color_t color_blend_true_color_subtractive(lv_color_t fg, lv_co
     }                                                                                                      \
     mask_tmp_x++;
 
-
 #define MAP_NORMAL_MASK_PX(x)                                                          \
     if(*mask_tmp_x) {          \
         if(*mask_tmp_x == LV_OPA_COVER) disp_buf_first[x] = map_buf_first[x];                                 \
@@ -117,7 +114,6 @@ static inline lv_color_t color_blend_true_color_subtractive(lv_color_t fg, lv_co
  *   GLOBAL FUNCTIONS
  **********************/
 
-
 /**
  * Fill and area in the display buffer.
  * @param clip_area clip the fill to this area  (absolute coordinates)
@@ -252,7 +248,6 @@ LV_ATTRIBUTE_FAST_MEM void _lv_blend_map(const lv_area_t * clip_area, const lv_a
 #endif
 }
 
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/
@@ -336,12 +331,7 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
     /*Simple fill (maybe with opacity), no masking*/
     if(mask_res == LV_DRAW_MASK_RES_FULL_COVER) {
         if(opa > LV_OPA_MAX) {
-#if LV_USE_GPU
+#if LV_USE_GPU_NXP_PXP
-            if(disp->driver.gpu_fill_cb && lv_area_get_size(draw_area) > GPU_SIZE_LIMIT) {
-                disp->driver.gpu_fill_cb(&disp->driver, disp_buf, disp_w, draw_area, color);
-                return;
-            }
-#elif LV_USE_GPU_NXP_PXP
             if(lv_area_get_size(draw_area) >= LV_GPU_NXP_PXP_FILL_SIZE_LIMIT) {
                 lv_gpu_nxp_pxp_fill(disp_buf, disp_w, draw_area, color, opa);
                 return;
@@ -358,6 +348,11 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
                 lv_gpu_stm32_dma2d_fill(disp_buf_first, disp_w, color, draw_area_w, draw_area_h);
                 return;
             }
+#elif LV_USE_GPU
+            if(disp->driver.gpu_fill_cb && lv_area_get_size(draw_area) > GPU_SIZE_LIMIT) {
+                disp->driver.gpu_fill_cb(&disp->driver, disp_buf, disp_w, draw_area, color);
+                return;
+            }
 #endif
             /*Software rendering*/
             for(y = 0; y < draw_area_h; y++) {
@@ -392,7 +387,6 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
             }
 #endif
 
-
 #if LV_USE_GPU_STM32_DMA2D
             if(lv_area_get_size(draw_area) >= 240) {
                 if(blend_buf[0].full != color.full) lv_color_fill(blend_buf, color, LV_HOR_RES_MAX);
@@ -450,7 +444,6 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
         }
 #endif
 
-
         /*Buffer the result color to avoid recalculating the same color*/
         lv_color_t last_dest_color;
         lv_color_t last_res_color;
@@ -581,7 +574,6 @@ static void fill_blended(const lv_area_t * disp_area, lv_color_t * disp_buf,  co
     /*Create a temp. disp_buf which always point to current line to draw*/
     lv_color_t * disp_buf_tmp = disp_buf + disp_w * draw_area->y1;
 
-
     lv_color_t (*blend_fp)(lv_color_t, lv_color_t, lv_opa_t);
     switch(mode) {
         case LV_BLEND_MODE_ADDITIVE:
@@ -757,7 +749,7 @@ LV_ATTRIBUTE_FAST_MEM static void map_normal(const lv_area_t * disp_area, lv_col
 
         if(opa > LV_OPA_MAX) {
 #if LV_USE_GPU_NXP_PXP
-            if(lv_area_get_size(draw_area) >= GPU_NXP_PXP_BLIT_SIZE_LIMIT) {
+            if(lv_area_get_size(draw_area) >= LV_GPU_NXP_PXP_BLIT_SIZE_LIMIT) {
                 lv_gpu_nxp_pxp_blit(disp_buf_first, disp_w, map_buf_first, map_w, draw_area_w, draw_area_h, opa);
                 return;
             }
@@ -775,7 +767,6 @@ LV_ATTRIBUTE_FAST_MEM static void map_normal(const lv_area_t * disp_area, lv_col
                 blit.src_area.x2 = blit.src_area.x1 + draw_area_w;
                 blit.src_area.y2 = blit.src_area.y1 + draw_area_h;
 
-
                 blit.dst = disp_buf;
                 blit.dst_width = lv_area_get_width(disp_area);
                 blit.dst_height = lv_area_get_height(disp_area);
@@ -826,7 +817,6 @@ LV_ATTRIBUTE_FAST_MEM static void map_normal(const lv_area_t * disp_area, lv_col
                 blit.src_area.x2 = blit.src_area.x1 + draw_area_w;
                 blit.src_area.y2 = blit.src_area.y1 + draw_area_h;
 
-
                 blit.dst = disp_buf;
                 blit.dst_width = lv_area_get_width(disp_area);
                 blit.dst_height = lv_area_get_height(disp_area);

src/lv_draw/lv_draw_blend.h

@@ -42,7 +42,6 @@ typedef uint8_t lv_blend_mode_t;
 LV_ATTRIBUTE_FAST_MEM void _lv_blend_fill(const lv_area_t * clip_area, const lv_area_t * fill_area, lv_color_t color,
                                           lv_opa_t * mask, lv_draw_mask_res_t mask_res, lv_opa_t opa, lv_blend_mode_t mode);
 
-
 LV_ATTRIBUTE_FAST_MEM void _lv_blend_map(const lv_area_t * clip_area, const lv_area_t * map_area,
                                          const lv_color_t * map_buf,
                                          lv_opa_t * mask, lv_draw_mask_res_t mask_res, lv_opa_t opa, lv_blend_mode_t mode);

src/lv_draw/lv_draw_img.c

@@ -313,7 +313,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_res_t lv_img_draw_core(const lv_area_t * coords,
                 return LV_RES_INV;
             }
 
-
             lv_draw_map(&line, &mask_line, buf, draw_dsc, chroma_keyed, alpha_byte);
             line.y1++;
             line.y2++;
@@ -512,7 +511,6 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_map(const lv_area_t * map_area, const
             mask_res = (alpha_byte || chroma_key || draw_dsc->angle ||
                         draw_dsc->zoom != LV_IMG_ZOOM_NONE) ? LV_DRAW_MASK_RES_CHANGED : LV_DRAW_MASK_RES_FULL_COVER;
 
-
             /*Prepare the `mask_buf`if there are other masks*/
             if(other_mask_cnt) {
                 lv_memset_ff(mask_buf, mask_buf_size);
@@ -532,7 +530,6 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_map(const lv_area_t * map_area, const
 #endif
                 for(x = 0; x < draw_area_w; x++, map_px += px_size_byte, px_i++) {
 
-
 #if LV_USE_IMG_TRANSFORM
                     if(transform) {
 
@@ -656,11 +653,10 @@ static void show_error(const lv_area_t * coords, const lv_area_t * clip_area, co
 
 static void draw_cleanup(lv_img_cache_entry_t * cache)
 {
-/*Automatically close images with no caching*/
+    /*Automatically close images with no caching*/
 #if LV_IMG_CACHE_DEF_SIZE == 0
     lv_img_decoder_close(&cache->dec_dsc);
 #else
     LV_UNUSED(cache);
 #endif
 }
-

src/lv_draw/lv_draw_img.h

@@ -89,7 +89,6 @@ bool lv_img_cf_is_chroma_keyed(lv_img_cf_t cf);
  */
 bool lv_img_cf_has_alpha(lv_img_cf_t cf);
 
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

src/lv_draw/lv_draw_label.c

@@ -41,7 +41,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_
 static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g, const lv_area_t * clip_area,
                               const uint8_t * map_p, lv_color_t color, lv_opa_t opa, lv_blend_mode_t blend_mode);
 
-
 static uint8_t hex_char_to_num(char hex);
 
 /**********************
@@ -231,7 +230,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
     lv_color_t recolor;
     int32_t letter_w;
 
-
     lv_draw_rect_dsc_t draw_dsc_sel;
     lv_draw_rect_dsc_init(&draw_dsc_sel);
     draw_dsc_sel.bg_color = dsc->sel_bg_color;
@@ -388,7 +386,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
  *   STATIC FUNCTIONS
  **********************/
 
-
 /**
  * Draw a letter in the Virtual Display Buffer
  * @param pos_p left-top coordinate of the latter
@@ -414,7 +411,7 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_letter(const lv_point_t * pos_p, const
     lv_font_glyph_dsc_t g;
     bool g_ret = lv_font_get_glyph_dsc(font_p, &g, letter, '\0');
     if(g_ret == false)  {
-        /* Add waring if the dsc is not found
+        /* Add warning if the dsc is not found
          * but do not print warning for non printable ASCII chars (e.g. '\n')*/
         if(letter >= 0x20) {
             LV_LOG_WARN("lv_draw_letter: glyph dsc. not found");
@@ -436,7 +433,6 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_letter(const lv_point_t * pos_p, const
         return;
     }
 
-
     const uint8_t * map_p = lv_font_get_glyph_bitmap(font_p, letter);
     if(map_p == NULL) {
         LV_LOG_WARN("lv_draw_letter: character's bitmap not found");
@@ -451,7 +447,6 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_letter(const lv_point_t * pos_p, const
     }
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g,
                                                      const lv_area_t * clip_area,
                                                      const uint8_t * map_p, lv_color_t color, lv_opa_t opa, lv_blend_mode_t blend_mode)
@@ -568,7 +563,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_
             mask_p++;
         }
 
-
         /*Apply masks if any*/
         if(other_mask_cnt) {
             lv_draw_mask_res_t mask_res = lv_draw_mask_apply(mask_buf + mask_p_start, fill_area.x1, fill_area.y2,
@@ -646,7 +640,6 @@ static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_
     int32_t box_h = g->box_h;
     int32_t width_bit = box_w * bpp; /*Letter width in bits*/
 
-
     /* Calculate the col/row start/end on the map*/
     int32_t col_start = pos_x >= clip_area->x1 ? 0 : (clip_area->x1 - pos_x) * 3;
     int32_t col_end   = pos_x + box_w / 3 <= clip_area->x2 ? box_w : (clip_area->x2 - pos_x + 1) * 3;
@@ -816,7 +809,6 @@ static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_
 #endif
 }
 
-
 /**
  * Convert a hexadecimal characters to a number (0..15)
  * @param hex Pointer to a hexadecimal character (0..9, A..F)

src/lv_draw/lv_draw_line.c

@@ -83,7 +83,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_line(const lv_point_t * point1, const lv_poin
     else if(point1->x == point2->x) draw_line_ver(point1, point2, &clip_line, dsc);
     else draw_line_skew(point1, point2, &clip_line, dsc);
 
-
     if(dsc->round_end || dsc->round_start) {
         lv_draw_rect_dsc_t cir_dsc;
         lv_draw_rect_dsc_init(&cir_dsc);
@@ -217,7 +216,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_hor(const lv_point_t * point1, const
     }
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static void draw_line_ver(const lv_point_t * point1, const lv_point_t * point2,
                                                 const lv_area_t * clip,
                                                 const lv_draw_line_dsc_t * dsc)
@@ -312,7 +310,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_ver(const lv_point_t * point1, const
     }
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static void draw_line_skew(const lv_point_t * point1, const lv_point_t * point2,
                                                  const lv_area_t * clip,
                                                  const lv_draw_line_dsc_t * dsc)

src/lv_draw/lv_draw_line.h

@@ -51,7 +51,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_line(const lv_point_t * point1, const lv_poin
 
 LV_ATTRIBUTE_FAST_MEM void lv_draw_line_dsc_init(lv_draw_line_dsc_t * dsc);
 
-
 //! @endcond
 
 /**********************

src/lv_draw/lv_draw_mask.c

@@ -12,10 +12,6 @@
 #include "../lv_misc/lv_debug.h"
 #include "../lv_misc/lv_gc.h"
 
-#if defined(LV_GC_INCLUDE)
-    #include LV_GC_INCLUDE
-#endif /* LV_ENABLE_GC */
-
 /*********************
  *      DEFINES
  *********************/
@@ -284,7 +280,6 @@ void lv_draw_mask_line_angle_init(lv_draw_mask_line_param_t * param, lv_coord_t
      * Find the degree which keeps the origo in place */
     if(angle > 180) angle -= 180; /*> 180 will swap the origo*/
 
-
     int32_t p2x;
     int32_t p2y;
 
@@ -294,7 +289,6 @@ void lv_draw_mask_line_angle_init(lv_draw_mask_line_param_t * param, lv_coord_t
     lv_draw_mask_line_points_init(param, p1x, py, p2x, p2y, side);
 }
 
-
 /**
  * Initialize an angle mask.
  * @param param pointer to a `lv_draw_mask_param_t` to initialize
@@ -360,7 +354,6 @@ void lv_draw_mask_angle_init(lv_draw_mask_angle_param_t * param, lv_coord_t vert
     lv_draw_mask_line_angle_init(&param->end_line, vertex_x, vertex_y, end_angle, end_side);
 }
 
-
 /**
  * Initialize a fade mask.
  * @param param param pointer to a `lv_draw_mask_param_t` to initialize
@@ -385,7 +378,6 @@ void lv_draw_mask_radius_init(lv_draw_mask_radius_param_t * param, const lv_area
     param->y_prev_x.i = 0;
 }
 
-
 /**
  * Initialize a fade mask.
  * @param param pointer to a `lv_draw_mask_param_t` to initialize
@@ -408,7 +400,6 @@ void lv_draw_mask_fade_init(lv_draw_mask_fade_param_t * param, const lv_area_t *
     param->dsc.type = LV_DRAW_MASK_TYPE_FADE;
 }
 
-
 /**
  * Initialize a map mask.
  * @param param pointer to a `lv_draw_mask_param_t` to initialize
@@ -423,7 +414,6 @@ void lv_draw_mask_map_init(lv_draw_mask_map_param_t * param, const lv_area_t * c
     param->dsc.type = LV_DRAW_MASK_TYPE_MAP;
 }
 
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/
@@ -573,7 +563,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t line_mask_flat(lv_opa_t * mask_b
         if(k >= len) break;
     }
 
-
     if(k < len && k >= 0) {
         int32_t x_inters = (px_h * p->xy_steep) >> 10;
         m = (x_inters * px_h) >> 9;
@@ -582,7 +571,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t line_mask_flat(lv_opa_t * mask_b
         mask_buf[k] = mask_mix(mask_buf[k], m);
     }
 
-
     if(p->inv) {
         k = xei - abs_x;
         if(k > len) {
@@ -747,7 +735,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t line_mask_steep(lv_opa_t * mask_
     return LV_DRAW_MASK_RES_CHANGED;
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_angle(lv_opa_t * mask_buf, lv_coord_t abs_x,
                                                                    lv_coord_t abs_y, lv_coord_t len,
                                                                    lv_draw_mask_angle_param_t * p)
@@ -755,7 +742,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_angle(lv_opa_t * ma
     int32_t rel_y = abs_y - p->cfg.vertex_p.y;
     int32_t rel_x = abs_x - p->cfg.vertex_p.x;
 
-
     if(p->cfg.start_angle < 180 && p->cfg.end_angle < 180 &&
        p->cfg.start_angle != 0  && p->cfg.end_angle != 0 &&
        p->cfg.start_angle > p->cfg.end_angle) {
@@ -768,7 +754,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_angle(lv_opa_t * ma
         int32_t end_angle_first = (rel_y * p->end_line.xy_steep) >> 10;
         int32_t start_angle_last = ((rel_y + 1) * p->start_line.xy_steep) >> 10;
 
-
         /*Do not let the line end cross the vertex else it will affect the opposite part*/
         if(p->cfg.start_angle > 270 && p->cfg.start_angle <= 359 && start_angle_last < 0) start_angle_last = 0;
         else if(p->cfg.start_angle > 0 && p->cfg.start_angle <= 90 && start_angle_last < 0) start_angle_last = 0;
@@ -778,7 +763,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_angle(lv_opa_t * ma
         else if(p->cfg.end_angle > 0 &&   p->cfg.end_angle <= 90 && start_angle_last < 0) start_angle_last = 0;
         else if(p->cfg.end_angle > 90 &&  p->cfg.end_angle < 270 && start_angle_last > 0) start_angle_last = 0;
 
-
         int32_t dist = (end_angle_first - start_angle_last) >> 1;
 
         lv_draw_mask_res_t res1 = LV_DRAW_MASK_RES_FULL_COVER;
@@ -1139,7 +1123,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_radius(lv_opa_t * m
     return LV_DRAW_MASK_RES_CHANGED;
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_fade(lv_opa_t * mask_buf, lv_coord_t abs_x,
                                                                   lv_coord_t abs_y, lv_coord_t len,
                                                                   lv_draw_mask_fade_param_t * p)
@@ -1200,7 +1183,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_map(lv_opa_t * mask
     const lv_opa_t * map_tmp = p->cfg.map;
     map_tmp += (abs_y - p->cfg.coords.y1) * lv_area_get_width(&p->cfg.coords);
 
-
     if(abs_x + len > p->cfg.coords.x2) len -= abs_x + len - p->cfg.coords.x2 - 1;
 
     if(abs_x < p->cfg.coords.x1) {
@@ -1221,7 +1203,6 @@ LV_ATTRIBUTE_FAST_MEM static lv_draw_mask_res_t lv_draw_mask_map(lv_opa_t * mask
     return LV_DRAW_MASK_RES_CHANGED;
 }
 
-
 LV_ATTRIBUTE_FAST_MEM static inline lv_opa_t mask_mix(lv_opa_t mask_act, lv_opa_t mask_new)
 {
     if(mask_new >= LV_OPA_MAX) return mask_act;