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release v8.2

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Gabor Kiss-Vamosi 2022-01-31 13:32:05 +01:00
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# Changelog
## [v8.2.0](https://github.com/littlevgl/lvgl/compare/v8.1.0...v8.2.0) 31 January 2022
### Overview
Among many fixes and minor updates these are the most important features in v8.2.0:
- Abstract render layer to make it easier to attack external draw engines
- Add `LV_FLAD_OVERFLOW_VISIBLE`. If enabled the children of an object won't be clipped to the boundary of the object
- Add ffmpeg decoder support to play videos and open a wide variety of image formats
- Add font fallback support
- Add gradient dithering support
- Add "monkey test"
- Add cmsis-pack support
- Add Grid navigation (`lv_gridnav`)
The GPU support for NXP microcontrollers is still not updated to the new draw architecture. See [#3052](https://github.com/lvgl/lvgl/issues/3052)
### Breaking Changes
- :warning: feat(fs): add caching option for lv_fs-read [`2979`](https://github.com/littlevgl/lvgl/pull/2979)
- :warning: feat(span): lv_spangroup_get_expand_width() adds a parameter [`2968`](https://github.com/littlevgl/lvgl/pull/2968)
- :warning: arch(draw): allow replacing the draw engine [`db53ea9`](https://github.com/littlevgl/lvgl/commit/db53ea925c9502b20f38db0fc30c4ef599bdfc33)
### Architectural
- arch(draw): separate SW renderer to allow replacing it [`2803`](https://github.com/littlevgl/lvgl/pull/2803)
- arch: merge lv_demos [`5414652`](https://github.com/littlevgl/lvgl/commit/5414652a4108dc6761b859fbb48a43e37e67a37a)
- arch(sdl): migrated to use new backend architecture [`2840`](https://github.com/littlevgl/lvgl/pull/2840)
- arch(env): move rt-thread into env_support folder [`3025`](https://github.com/littlevgl/lvgl/pull/3025)
- arch(env): arch(env): move the cmake folder into the env_support folder [`773d50f`](https://github.com/littlevgl/lvgl/commit/773d50f0acafa279fa7440ddcf15e80cf07eda54)
- arch(env): move the zephyr folder into the env_support folder [`4bd1e7e`](https://github.com/littlevgl/lvgl/commit/4bd1e7e9f7acc5295b65440477e76a048094afbf)
### New Features
- feat(cmsis-pack): prepare for lvgl v8.2.0 release [`3062`](https://github.com/littlevgl/lvgl/pull/3062)
- feat(gridnav): add lv_gridnav [`2911`](https://github.com/littlevgl/lvgl/pull/2911)
- feat: update the cmsis-pack to 0.8.3 [`3021`](https://github.com/littlevgl/lvgl/pull/3021)
- feat(sdl): support rounded images [`3012`](https://github.com/littlevgl/lvgl/pull/3012)
- feat(cmsis-pack): add cmsis-pack support [`2993`](https://github.com/littlevgl/lvgl/pull/2993)
- feat(event): add preprocessing and stop bubbling features for events [`3003`](https://github.com/littlevgl/lvgl/pull/3003)
- feat(draw): add gradient dithering support [`2872`](https://github.com/littlevgl/lvgl/pull/2872)
- feat(symbols): add guards to LV_SYMBOL_* to allow redefining them [`2973`](https://github.com/littlevgl/lvgl/pull/2973)
- feat(obj): subdivide LV_OBJ_FLAG_SCROLL_CHAIN into ...CHAIN_HOR and ...CHAIN_VER [`2961`](https://github.com/littlevgl/lvgl/pull/2961)
- feat(draw): add draw_bg callback to draw_ctx #2934 [`2935`](https://github.com/littlevgl/lvgl/pull/2935)
- feat(docs): add Chinese readme [`2919`](https://github.com/littlevgl/lvgl/pull/2919)
- feat(txt): add used_width parameter to _lv_txt_get_next_line() [`2898`](https://github.com/littlevgl/lvgl/pull/2898)
- feat(others) add monkey test [`2885`](https://github.com/littlevgl/lvgl/pull/2885)
- feat(rlottie): add animation control options [`2857`](https://github.com/littlevgl/lvgl/pull/2857)
- feat(lv_hal_indev): add missing lv_indev_delete() [`2854`](https://github.com/littlevgl/lvgl/pull/2854)
- feat(freetype): optimize memory allocation [`2849`](https://github.com/littlevgl/lvgl/pull/2849)
- feat(Kconfig): add FreeType config [`2846`](https://github.com/littlevgl/lvgl/pull/2846)
- feat(widgets): add menu widget [`2603`](https://github.com/littlevgl/lvgl/pull/2603)
- feat(refr): add reset function for FPS statistics [`2832`](https://github.com/littlevgl/lvgl/pull/2832)
- feat(Kconfig): add monitor position configuration [`2834`](https://github.com/littlevgl/lvgl/pull/2834)
- feat(examples) add micropython versions of the external library examples [`2762`](https://github.com/littlevgl/lvgl/pull/2762)
- feat(freetype): support bold and italic [`2824`](https://github.com/littlevgl/lvgl/pull/2824)
- feat(font) add fallback support and mem. font load option to FreeType [`2796`](https://github.com/littlevgl/lvgl/pull/2796)
- feat(lib) add ffmpeg video and image decoder [`2805`](https://github.com/littlevgl/lvgl/pull/2805)
- feat(obj): add LV_OBJ_FLAG_OVERFLOW_VISIBLE [`e7ac0e4`](https://github.com/littlevgl/lvgl/commit/e7ac0e41988e5fda772e17292c05d65bcaf58394)
- feat(scrollbar): add more control over scrollbar paddings [`4197b2f`](https://github.com/littlevgl/lvgl/commit/4197b2fd6ebec4b4dcfeeb2c41b724e09b77d1d0)
- feat(dropdown): keep the list on open/close for simpler styling [`9d3134b`](https://github.com/littlevgl/lvgl/commit/9d3134b66e40882c232afa79498c41294603f437)
- feat(qrcode) use destructor instead of lv_qrcode_delete() [`318edd8`](https://github.com/littlevgl/lvgl/commit/318edd8a3f61a65be3ed15a97c0870de0ad4125a)
- feat(disp) allow decouplig the disp_refr timer [`85cc84a`](https://github.com/littlevgl/lvgl/commit/85cc84ad947786bb3d4857290503047946a55c43)
- feat(obj): add lv_obj_get_event_user_data() [`53ececc`](https://github.com/littlevgl/lvgl/commit/53ececc5ec6f62ee4ab47ea66a847679e3836f52)
- feat(obj) add LV_OBJ_FLAG_SCROLL_WITH_ARROW [`70327bd`](https://github.com/littlevgl/lvgl/commit/70327bdb2d758336340c5a3b378ab876bfee2d53)
- feat(slider): consider ext_click_area on the knob with LV_OBJ_FLAG_ADV_HITTEST [`9d3fb41`](https://github.com/littlevgl/lvgl/commit/9d3fb418969c13b93f01a6b0342a1cd8d02e9b6c)
### Performance
- perf(sdl): optimize the use of SDL_RenderSetClipRect [`2941`](https://github.com/littlevgl/lvgl/pull/2941)
- perf(color): add faster lv_color_hex function [`2864`](https://github.com/littlevgl/lvgl/pull/2864)
### Fixes
- fix(micropython) update examples for new API [`3059`](https://github.com/littlevgl/lvgl/pull/3059)
- fix: increase default value of LV_MEM_SIZE for lv_demo_widgets #3057 [`3058`](https://github.com/littlevgl/lvgl/pull/3058)
- fix(cmsis-pack): fix issue #3032 [`3056`](https://github.com/littlevgl/lvgl/pull/3056)
- fix(porting): add missing function prototypes [`3054`](https://github.com/littlevgl/lvgl/pull/3054)
- fix(kconfig): add missing default values [`3050`](https://github.com/littlevgl/lvgl/pull/3050)
- fix(canvas): force canvas to use sw draw [`3045`](https://github.com/littlevgl/lvgl/pull/3045)
- fix(rt-thread): use ARCH_CPU_BIG_ENDIAN to replace RT_USING_BIG_ENDIAN [`3044`](https://github.com/littlevgl/lvgl/pull/3044)
- fix(gradient): general cleanup and fix for alignment issues [`3036`](https://github.com/littlevgl/lvgl/pull/3036)
- fix(draw): rendering issues for vertical gradient with and without dithering [`3034`](https://github.com/littlevgl/lvgl/pull/3034)
- fix uninitialized variable [`3033`](https://github.com/littlevgl/lvgl/pull/3033)
- fix(lru): lower dependency for standard C functions [`3024`](https://github.com/littlevgl/lvgl/pull/3024)
- fix(env_support): move cmsis-pack to env_support folder [`3026`](https://github.com/littlevgl/lvgl/pull/3026)
- fix(doc): full covering opacity is 255, not 256 [`3022`](https://github.com/littlevgl/lvgl/pull/3022)
- fix uninitialized variables [`3023`](https://github.com/littlevgl/lvgl/pull/3023)
- fix various issues for esp32 [`3007`](https://github.com/littlevgl/lvgl/pull/3007)
- fix(sdl): fix clipped image drawing [`2992`](https://github.com/littlevgl/lvgl/pull/2992)
- fix(draw): missed bg_color renaming in the draw function [`3002`](https://github.com/littlevgl/lvgl/pull/3002)
- fix(porting): fix typo and an unmatched prototype [`2998`](https://github.com/littlevgl/lvgl/pull/2998)
- fix(conf) add missing LV_LOG_LEVEL default definition [`2996`](https://github.com/littlevgl/lvgl/pull/2996)
- fix(refr): crash if full_refresh = 1 [`2999`](https://github.com/littlevgl/lvgl/pull/2999)
- fix(Kconfig): adapt to lvgl's built-in demos [`2989`](https://github.com/littlevgl/lvgl/pull/2989)
- fix(Makefile): compilation errors [`2944`](https://github.com/littlevgl/lvgl/pull/2944)
- fix(rlottie): fix variable name [`2971`](https://github.com/littlevgl/lvgl/pull/2971)
- fix(group): in lv_group_del() remove group from indev (lvgl#2963) [`2964`](https://github.com/littlevgl/lvgl/pull/2964)
- fix(obj): old parent's scroll is not updated in lv_obj_set_parent() [`2965`](https://github.com/littlevgl/lvgl/pull/2965)
- fix(fatfs) add missing cast [`2969`](https://github.com/littlevgl/lvgl/pull/2969)
- fix(snapshot) fix memory leak [`2970`](https://github.com/littlevgl/lvgl/pull/2970)
- fix(examples) move event callback registration outside loop in `lv_example_event_3` [`2959`](https://github.com/littlevgl/lvgl/pull/2959)
- fix(canvas): off by one error in size check in lv_canvas_copy_buf [`2950`](https://github.com/littlevgl/lvgl/pull/2950)
- fix(indev) add braces to avoid compiler warning [`2947`](https://github.com/littlevgl/lvgl/pull/2947)
- fix: fix parameter order in function prototypes [`2929`](https://github.com/littlevgl/lvgl/pull/2929)
- fix(style):add const qualifier for lv_style_get_prop() [`2933`](https://github.com/littlevgl/lvgl/pull/2933)
- fix(dropdown): in lv_dropdpwn_get_selected_str handle if there are no options [`2925`](https://github.com/littlevgl/lvgl/pull/2925)
- fix: lv_deinit/lv_init crash or hang [`2910`](https://github.com/littlevgl/lvgl/pull/2910)
- fix(rt-thread): improve the structure [`2912`](https://github.com/littlevgl/lvgl/pull/2912)
- fix: removed string format warnings for int32_t and uint32_t [`2924`](https://github.com/littlevgl/lvgl/pull/2924)
- fix(lv_fs_win32): add missing include of <stdio.h> [`2918`](https://github.com/littlevgl/lvgl/pull/2918)
- fix: use unsigned integer literal for bit shifing. [`2888`](https://github.com/littlevgl/lvgl/pull/2888)
- chore(lottie) move rlottie_capi.h to lv_rlottie.c [`2902`](https://github.com/littlevgl/lvgl/pull/2902)
- fix(qrcodegen) add brackets around assert calls [`2897`](https://github.com/littlevgl/lvgl/pull/2897)
- fix(list) guard image creation with LV_USE_IMG [`2881`](https://github.com/littlevgl/lvgl/pull/2881)
- fix(snapshot): make fake display size big enough to avoid align issue. [`2883`](https://github.com/littlevgl/lvgl/pull/2883)
- fix(sdl) correct makefile [`2884`](https://github.com/littlevgl/lvgl/pull/2884)
- fix(draw): fix set_px_cb memory write overflow crash. [`2882`](https://github.com/littlevgl/lvgl/pull/2882)
- fix(freetype): fix memset error [`2877`](https://github.com/littlevgl/lvgl/pull/2877)
- fix(span): fix align and break word [`2861`](https://github.com/littlevgl/lvgl/pull/2861)
- fix(refr): swap buffers only on the last area with direct mode [`2867`](https://github.com/littlevgl/lvgl/pull/2867)
- fix(arc) free memory when drawing full-circle arc [`2869`](https://github.com/littlevgl/lvgl/pull/2869)
- fix(indev): update lv_indev_drv_update to free the read_timer [`2850`](https://github.com/littlevgl/lvgl/pull/2850)
- fix(draw): fix memory access out of bounds when using blend subtract [`2860`](https://github.com/littlevgl/lvgl/pull/2860)
- fix(chart) add lv_chart_refresh() to the functions which modify the data [`2841`](https://github.com/littlevgl/lvgl/pull/2841)
- fix(conf) mismatched macro judgment [`2843`](https://github.com/littlevgl/lvgl/pull/2843)
- fix(ffmpeg): when disabled LV_FFMPEG_AV_DUMP_FORMAT makes av_log quiet [`2838`](https://github.com/littlevgl/lvgl/pull/2838)
- fix(rt-thread): fix a bug of log [`2811`](https://github.com/littlevgl/lvgl/pull/2811)
- fix(log): to allow printf and custom_print_cb to work at same time [`2837`](https://github.com/littlevgl/lvgl/pull/2837)
- fix(keyboard): add missing functions [`2835`](https://github.com/littlevgl/lvgl/pull/2835)
- fix(checkbox) remove unnecessary events [`2829`](https://github.com/littlevgl/lvgl/pull/2829)
- fix(qrcode): replace memcpy() with lv_memcpy() and delete useless macros [`2827`](https://github.com/littlevgl/lvgl/pull/2827)
- fix(font) improve builtin font source files generation process [`2825`](https://github.com/littlevgl/lvgl/pull/2825)
- fix(CMake) split CMakeLists.txt, add options, includes and dependencies [`2753`](https://github.com/littlevgl/lvgl/pull/2753)
- fix(obj): make lv_obj_fade_in/out use the current opa as start value [`2819`](https://github.com/littlevgl/lvgl/pull/2819)
- fix(qrcode):minimize margins as much as possible [`2804`](https://github.com/littlevgl/lvgl/pull/2804)
- fix(scripts): switch all scripts to python3 [`2820`](https://github.com/littlevgl/lvgl/pull/2820)
- fix(event): event_send_core crash in special case. [`2807`](https://github.com/littlevgl/lvgl/pull/2807)
- fix(Kconfig) remove duplicate LV_BUILD_EXAMPLES configuration [`2813`](https://github.com/littlevgl/lvgl/pull/2813)
- fix(obj): in obj event use the current target instead of target [`2785`](https://github.com/littlevgl/lvgl/pull/2785)
- fix(draw_label): radius Mask doesn't work in Specific condition [`2784`](https://github.com/littlevgl/lvgl/pull/2784)
- fix(draw_mask): will crash if get_width/height < 0 [`2793`](https://github.com/littlevgl/lvgl/pull/2793)
- fix(theme) make the basic theme really basic [`a369f18`](https://github.com/littlevgl/lvgl/commit/a369f18c57c6b9d20a37959d621f9cb16348ef99)
- fix(arc): fix knob invalidation [`345f688`](https://github.com/littlevgl/lvgl/commit/345f6882c9802dd9be55dfda5fe50c17e8c002b0)
- fix(theme): add arc, spinner and colorwheel to basic theme [`adc218a`](https://github.com/littlevgl/lvgl/commit/adc218a7b303c564da021714e5a109a5d003fc30)
- fix(conf) define LV_LOG_TRACE_... to 0 in lv_conf_internal.h to avoid warnings [`305284c`](https://github.com/littlevgl/lvgl/commit/305284c2b5aadec7bcfa68c6517c98d44be7c8a9)
- fix(draw): consider opa and clip corner on bg_img [`d51aea4`](https://github.com/littlevgl/lvgl/commit/d51aea4dffc706876ac729373c33a74743bc05e9)
- fix(draw): add grad_cache_mem to GC_ROOTs [`138db9c`](https://github.com/littlevgl/lvgl/commit/138db9c5d6b1f1d42c48d1307f5f508149ab0fda)
- fix(bar, slider): fix shadow drawing on short indicators [`364ca3c`](https://github.com/littlevgl/lvgl/commit/364ca3ca1763fb732a049bfce689e2f588593cd4)
- fix(theme): fix theme initialization issue introduced in 6e0072479 [`d231644`](https://github.com/littlevgl/lvgl/commit/d2316447c5c240960236d41814ef20e63cd56f00)
- fix(draw): add lv_draw_sw_bg [`49642d3`](https://github.com/littlevgl/lvgl/commit/49642d3891c563b6c82bb407bacc4b73329a8c93)
- fix(draw) border_draw crash is special case [`075831a`](https://github.com/littlevgl/lvgl/commit/075831a54c30d294879619c90ca4d16676c0775a)
- fix(theme): fix crash in lv_theme_basic_init [`ca5f04c`](https://github.com/littlevgl/lvgl/commit/ca5f04cfe33e1db0b72a07812557634b86028c27)
- fix(draw): fix indexed image drawing [`5a0dbcc`](https://github.com/littlevgl/lvgl/commit/5a0dbccf890b7a86315140dfe052da6b6aeca531)
- fix(roller): clip overflowing text [`5709528`](https://github.com/littlevgl/lvgl/commit/5709528550f7bdb0a16da1c05ea8094fc085db08)
- fix(align) fix LV_SIZE_CONTENT size calculation with not LEFT or TOP alignment [`9c67642`](https://github.com/littlevgl/lvgl/commit/9c676421ff159de1a96409f5557d36090c1728f9)
- fix(draw): futher bg_img draw fixes [`81bfb76`](https://github.com/littlevgl/lvgl/commit/81bfb765e5baba359e61dcb030f3ee96160a6335)
- fix(btnmatrix): keep the selected button even on release [`d47cd1d`](https://github.com/littlevgl/lvgl/commit/d47cd1d7fe910efc189e2f43f046a09184cfff13)
- fix(sw): make knob size calculation more intuitive [`5ec532d`](https://github.com/littlevgl/lvgl/commit/5ec532dfd5ffa0d47a1ac80c9a468d6362f3d933)
- fix(switch): make knob height calculation similar to slider [`0921dfc`](https://github.com/littlevgl/lvgl/commit/0921dfc8cd9d00e70ead8cbef8a898711af8f43e)
- fix(span): explicitly set span->txt to the return value of lv_mem_realloc(#3005) [`a9a6cb8`](https://github.com/littlevgl/lvgl/commit/a9a6cb8efd16c55a175791a43a3f4043a3a5e01f)
- fix(example): update LVGL_Arduino.ino [`d79283c`](https://github.com/littlevgl/lvgl/commit/d79283c145f92124c800453bcaf1caf1f9684bc5)
- fix(draw) simplify how outline_pad is compnesated [`81d8be1`](https://github.com/littlevgl/lvgl/commit/81d8be13d67d6b17b663bc703c1e0e18a18890a7)
- fix(obj) make LV_OBJ_FLAG_SCROLL_CHAIN part of the enum instead of define [`f8d8856`](https://github.com/littlevgl/lvgl/commit/f8d88567f635f325d6738ce2343f3b3c29f1e40a)
- fix(label): dot not add dots if the label height > 1 font line height [`4d61f38`](https://github.com/littlevgl/lvgl/commit/4d61f3802013b31b0af5f08f66bb86f5179db141)
- fix(event): crash if an object was deleted in an event [`9810920`](https://github.com/littlevgl/lvgl/commit/9810920fc5d34a984bddf6e41156e87e509cfd27)
- fix(build) fix sdl build with make [`43729d1`](https://github.com/littlevgl/lvgl/commit/43729d1502dad0ca797b4b6fb8c69a48c81a2af7)
- fix(config): fix anonymus choice [`71c739c`](https://github.com/littlevgl/lvgl/commit/71c739cc2dbcebf16e8adc805dda182011e725da)
- chore(docs): fix lv_list_add_text [`a5fbf22`](https://github.com/littlevgl/lvgl/commit/a5fbf22d415a52cb2641c6dfda6937a10e4952cc)
- fix(png) check png magic number to be sure it's a png image [`1092550`](https://github.com/littlevgl/lvgl/commit/1092550775c464f9ae8c406786fe02115776d5c6)
- fix(btnmatrix): fix crash if an empty btnmatrix is pressed [`2392f58`](https://github.com/littlevgl/lvgl/commit/2392f585bb9317153f6fb648d2a660cbdc3e276f)
- fix(mem/perf monitor): fix issue introduced in #2910 [`0788d91`](https://github.com/littlevgl/lvgl/commit/0788d918990fd1c03bd7a04941cfbbdf6d21987c)
- fix(layout) fix layout recalculation trigger in lv_obj_add/clear_fleg [`ee65410`](https://github.com/littlevgl/lvgl/commit/ee65410c3725070ed1779c95fb8742107cdd9267)
- fix(obj) fix lv_obj_fade_in [`4931384`](https://github.com/littlevgl/lvgl/commit/49313840ee9b249f2ef9142e872657856810acfc)
- fix(draw): fix clipping children to parent [`5c98ac8`](https://github.com/littlevgl/lvgl/commit/5c98ac85117c24f4da61803f0dc5a9bb6cfd1fdc)
- fix: remove symlinks to be accepted as an Ardunio library [`6701d36`](https://github.com/littlevgl/lvgl/commit/6701d36afe40130479dc83efc05d4860f3f29636)
- chore: fix typos in FATFS config [`74091c4`](https://github.com/littlevgl/lvgl/commit/74091c42f7cf4e85e46e706692accb65879741e2)
- fix(refr): fix missed buffer switch in double full-screen buffer + direct_mode [`731ef5a`](https://github.com/littlevgl/lvgl/commit/731ef5a75ea7feb7319315bd15bc1a43b899c1ca)
- chore(qrcode): fix warnings [`e9d7080`](https://github.com/littlevgl/lvgl/commit/e9d70803e11378eddf435e66c2181c0fa77211c7)
- docs(event): tell to not adjust widgets in draw events [`933d67f`](https://github.com/littlevgl/lvgl/commit/933d67fe5b8596da203c318aa9551aad1c2887e6)
- fix(table, chart): fix memory leaks [`8d52de1`](https://github.com/littlevgl/lvgl/commit/8d52de14b33262a11de87f5d782611a38726a1a7)
- fix(event): handle object deletion in indev->fedback_cb [`bfc8edf`](https://github.com/littlevgl/lvgl/commit/bfc8edf802382f78e96125c886427c99c7f9a600)
- fix(roller): snap on press lost [`fa9340c`](https://github.com/littlevgl/lvgl/commit/fa9340c45fd4a86b4a44878286850f3f67133bf4)
- fix(dropdown) be sure the list is the top object on the screen [`cb7fc2b`](https://github.com/littlevgl/lvgl/commit/cb7fc2bb59f788ce8024d62a5b1e821575a9cb74)
- fix(img) fix invalidation issue on transformations [`d5ede0e`](https://github.com/littlevgl/lvgl/commit/d5ede0ebc6685d4857b5ac554d53c0a7373d7532)
- fix(obj) fix comments of lv_obj_set_pos/x/y [`b9a5078`](https://github.com/littlevgl/lvgl/commit/b9a5078cd9d57662fc6e684d57a0ee4e70ca49c0)
### Examples
- example: add non-null judgment to lv_example_obj_2 [`2799`](https://github.com/littlevgl/lvgl/pull/2799)
- example(table): fix text alignment [`b03dc9c`](https://github.com/littlevgl/lvgl/commit/b03dc9cf862584c2e2be2c900fa4ff6e67b336f8)
### Docs
- docs(demos) update information to reflect new layout [`3029`](https://github.com/littlevgl/lvgl/pull/3029)
- docs(porting): remove duplicated content [`2984`](https://github.com/littlevgl/lvgl/pull/2984)
- docs(display) fix typo [`2946`](https://github.com/littlevgl/lvgl/pull/2946)
- docs(get-started) add introduction for Tasmota and Berry [`2874`](https://github.com/littlevgl/lvgl/pull/2874)
- docs fix spelling, parameter descriptions, comments, etc [`2865`](https://github.com/littlevgl/lvgl/pull/2865)
- docs: spelling fixes [`2828`](https://github.com/littlevgl/lvgl/pull/2828)
- docs(style) minor style fix [`2818`](https://github.com/littlevgl/lvgl/pull/2818)
- docs(porting/display) fix formatting [`2812`](https://github.com/littlevgl/lvgl/pull/2812)
- docs(roadmap) udpate [`084439e`](https://github.com/littlevgl/lvgl/commit/084439e9476339ff571820e38bb677157edef135)
- docs(widgets) fix edit links [`7ed1a56`](https://github.com/littlevgl/lvgl/commit/7ed1a5625a5139ede832c0058b2bc6309b395321)
- docs(contributing) update commit message format [`1cd851f`](https://github.com/littlevgl/lvgl/commit/1cd851f8c09e813d75feaf9bf312f887f5ba76f0)
- docs(porting): add more details about adding lvgl to your project [`6ce7348`](https://github.com/littlevgl/lvgl/commit/6ce73486d319bfdb1c379d090036a7eeaabf5b43)
- docs(indev): add description about gestures [`2719862`](https://github.com/littlevgl/lvgl/commit/2719862fc3065b5d72c74c3f5f0923c3f6cc82c6)
- docs(style): describe const styles [`28ffae8`](https://github.com/littlevgl/lvgl/commit/28ffae8c931ff01a4e5d426a2e496053e840c094)
- docs(faq): add "LVGL doesn't start, nothing is drawn on the display" section [`0388d92`](https://github.com/littlevgl/lvgl/commit/0388d9218a36debf6c989eb999ae68478d8f6b02)
- docs add demos [`02a6614`](https://github.com/littlevgl/lvgl/commit/02a6614b38b7d94e56d8fc1f858b0e40a46c024d)
- docs(fs): update fs interface description to the latest API [`285e6b3`](https://github.com/littlevgl/lvgl/commit/285e6b39f99c078e57a611cf84cbfc3b546e112e)
- docs(format) let wrap [`4bf49a8`](https://github.com/littlevgl/lvgl/commit/4bf49a82a3df422ebbfc4e47d4a93c945afdf0fa)
- docs(imgbtn) fix typo [`d792c5f`](https://github.com/littlevgl/lvgl/commit/d792c5f6c2e9d85c693e4f8089cb59c82d8cf805)
- docs(porting) clarify that displays must be registered before input devices [`1c64b78`](https://github.com/littlevgl/lvgl/commit/1c64b78866b4bb920db75a4b19f8ff1eb7f68a76)
- docs(event) fix lv_event_get_original_target vs lv_event_get_current_target [`cdd5128`](https://github.com/littlevgl/lvgl/commit/cdd5128bc0e17b2ffa3f9fc8f5f133d35fca4e35)
- docs(events) rename LV_EVENT_APPLY to LV_EVENT_READY (#2791) [`bf6837f`](https://github.com/littlevgl/lvgl/commit/bf6837f4c045b01144842ae63c4052e4cac7dafb)
- docs(gpu): link style properties and boxing model [`6266851`](https://github.com/littlevgl/lvgl/commit/6266851381d3b1f1e350dc4689e6bc71ece2f5c1)
- docs(gesture): clarify gesture triggering with scrolling [`e3b43ee`](https://github.com/littlevgl/lvgl/commit/e3b43eec943db48f7cbee83e07e531d41bc61ac0)
- docs(contributing): remove the mentioning of the dev branch [`00d4ef3`](https://github.com/littlevgl/lvgl/commit/00d4ef3c53d9b53e993c76d1eb0bafa7b1c9b721)
- docs(bar) fix default range [`eeee48b`](https://github.com/littlevgl/lvgl/commit/eeee48b1c943fc288521e4479d874348f4690842)
- docs(event): tell to not adjust widgets in draw events [`933d67f`](https://github.com/littlevgl/lvgl/commit/933d67fe5b8596da203c318aa9551aad1c2887e6)
- docs(switch) improve wording [`b4986ab`](https://github.com/littlevgl/lvgl/commit/b4986ab5dceb47f934c0a44a58152367f1bf8f43)
- docs(font) fix example to match v8 [`2f80896`](https://github.com/littlevgl/lvgl/commit/2f808965a1892e11cb84f50c6546871d2f2aa122)
### CI and tests
- test(bar): add unit tests [`2845`](https://github.com/littlevgl/lvgl/pull/2845)
- test(switch): add initial unit test [`2794`](https://github.com/littlevgl/lvgl/pull/2794)
- test(demo) add tests for widget and stress demos [`3bd6ad8`](https://github.com/littlevgl/lvgl/commit/3bd6ad80e7e7d0936b6e54ca88760db551f7848b)
- test(dropdown) fix to pass again [`918b3de`](https://github.com/littlevgl/lvgl/commit/918b3defd78245136da92f46fac937815ef35a1a)
- test add support for using system heap [`446b1eb`](https://github.com/littlevgl/lvgl/commit/446b1ebf2bc1ba38b5349c660534f113a9a066a9)
- ci remove formatting request workflow [`6de89e4`](https://github.com/littlevgl/lvgl/commit/6de89e4b7b0a0f72cf53e59a90bd22362088eb71)
- ci initial support for cross-architecture tests [`7008770`](https://github.com/littlevgl/lvgl/commit/7008770261903170d19472a52b54fedaafa7bbda)
- ci create handler for formatting requests [`7af7849`](https://github.com/littlevgl/lvgl/commit/7af78498a898cba6263b51094ffbc486d6b30b3a)
- test(style) add test for gradient [`da8f345`](https://github.com/littlevgl/lvgl/commit/da8f34566b0c0f3335c471c518f0766bdeb65766)
- test(event) add test for #2886 [`51ef9c2`](https://github.com/littlevgl/lvgl/commit/51ef9c242ccfff37905d71132aab33d2f642b427)
- ci add workflow to check code formatting [`a2b555e`](https://github.com/littlevgl/lvgl/commit/a2b555e096f7d401b5d8e877a6b5e81ff81c747a)
- ci attempt to speed up cross tests [`80408f7`](https://github.com/littlevgl/lvgl/commit/80408f704e8442a27f6dca96c41f1d3bded7ce52)
- ci apply my updates to the verify-formatting action [`02f02fa`](https://github.com/littlevgl/lvgl/commit/02f02fa78fc4101b1cde87fe912cb3105a689195)
- ci: add arduino linter action [`f79b00c`](https://github.com/littlevgl/lvgl/commit/f79b00cce0d31c7e5519a871b27d803fdb30fdfd)
- ci update action [`be9722c`](https://github.com/littlevgl/lvgl/commit/be9722c420a1ac2e9efde79135bf96bc508edb33)
- ci more formatting action updates [`1f6037c`](https://github.com/littlevgl/lvgl/commit/1f6037ce98c8617221d321d3371ad6dc8649553a)
- ci disable LeakSanitizer on dockerized tests [`c9e1927`](https://github.com/littlevgl/lvgl/commit/c9e19272c62f01544ff7cb5ef15d65b0d4fce5a5)
- ci one last try at this for tonight [`dddafae`](https://github.com/littlevgl/lvgl/commit/dddafaec942b7886722cdec28e2bd0f20f2a3413)
- ci try alternate checkout mechanism [`cb3de30`](https://github.com/littlevgl/lvgl/commit/cb3de308fdcdebb9c980df1d167a6be3657b2540)
- test(style) fix compile error [`ba083df`](https://github.com/littlevgl/lvgl/commit/ba083dfd6dc31d1d9127542cd1aff860d5a0153c)
- test(template) simplify _test_template.c [`b279f63`](https://github.com/littlevgl/lvgl/commit/b279f63d6bf84159aab855b962a9f431d5c40eb3)
- ci force ccache to be saved every time [`a7c590f`](https://github.com/littlevgl/lvgl/commit/a7c590f10d4c39ae33d89ad86ef608092030654b)
- ci switch to codecov v2 [`6b84155`](https://github.com/littlevgl/lvgl/commit/6b841555cd847d07375b92b54a814c41ccb522de)
- ci more debugging for formatting action [`2f8e4bc`](https://github.com/littlevgl/lvgl/commit/2f8e4bc4c43fa395676e2be5d3d55999206190b4)
- ci inline apt-get commands [`90e2b9f`](https://github.com/littlevgl/lvgl/commit/90e2b9f05e73527dfa2b2df0b1da30512827b8a8)
- ci(micropython) use ESP-IDF 4.4 [`b34fe9e`](https://github.com/littlevgl/lvgl/commit/b34fe9ed8b945fd83a1956cf4ddf2d40485a62ca)
- ci add 5k stack limit [`4122dda`](https://github.com/littlevgl/lvgl/commit/4122dda399679baa3b8bbd2e7055412b132227ab)
- ci force use of ccache in PATH [`6de3fa8`](https://github.com/littlevgl/lvgl/commit/6de3fa8004639ea02d45c1be2985290e65a3d6c0)
- ci add back stack usage check at 4 kilobytes [`89135d6`](https://github.com/littlevgl/lvgl/commit/89135d663daca34c9d9695a4c12b4208ef4ba217)
- ci temporarily disable stack usage check [`1900c21`](https://github.com/littlevgl/lvgl/commit/1900c215482b9b1b5af1dd7c5cb8a95e89906b77)
- ci(cross) use python3 instead of python [`df7eaa0`](https://github.com/littlevgl/lvgl/commit/df7eaa020d656c519b5197cd3d19c587cb1dd234)
- ci use specific version tag [`59b4769`](https://github.com/littlevgl/lvgl/commit/59b476934452d5821424c70954aa32be6f476608)
- ci fix check style action [`5bb3686`](https://github.com/littlevgl/lvgl/commit/5bb3686ea8b6feb55d6bb2b345f5c6cee52d514a)
- ci fix typo in formatting action [`d1ccbf6`](https://github.com/littlevgl/lvgl/commit/d1ccbf607fd3aec61c4606a8f2c268225654b792)
- ci test formatting action [`065d821`](https://github.com/littlevgl/lvgl/commit/065d821c7050af6ad94c7d6dc2d4976a817e54a0)
- ci(micropython) switch to newer GCC action [`1fa7257`](https://github.com/littlevgl/lvgl/commit/1fa7257801f4e0d3c184be438fd7ecb067818c48)
- ci(style) force color on diff to help highlight whitespace changes [`04f47ea`](https://github.com/littlevgl/lvgl/commit/04f47eae0d40c8385535428566d1851ff8ea20eb)
- ci(cross) install build-essential [`772f219`](https://github.com/littlevgl/lvgl/commit/772f219c0af4ba013ee9b71883e7dc265e5d22f9)
- ci force pushing to upstream branch [`8277f78`](https://github.com/littlevgl/lvgl/commit/8277f78d132b4c397f39a9e17cdb7bdd381d1778)
- ci ensure lvgl-bot is used to make commits [`9fcf52a`](https://github.com/littlevgl/lvgl/commit/9fcf52a82bb4dbcfc47e69b7875d66a3d25ba87f)
## [v8.1.0](https://github.com/lvgl/lvgl/compare/v8.0.2...v8.1.0) 10 November 2021
### Overview

2
library.json
View File

@ -1,6 +1,6 @@
{
"name": "lvgl",
"version": "8.1.1-dev",
"version": "8.2.0",
"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": {

2
library.properties
View File

@ -1,5 +1,5 @@
name=lvgl
version=8.1.1-dev
version=8.2.0
author=kisvegabor
maintainer=kisvegabor,embeddedt,pete-pjb
sentence=Full-featured Graphics Library for Embedded Systems

2
lv_conf_template.h
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@ -1,6 +1,6 @@
/**
* @file lv_conf.h
* Configuration file for v8.1.1-dev
* Configuration file for v8.2.0
*/
/*

6
lvgl.h
View File

@ -14,9 +14,9 @@ extern "C" {
* CURRENT VERSION OF LVGL
***************************/
#define LVGL_VERSION_MAJOR 8
#define LVGL_VERSION_MINOR 1
#define LVGL_VERSION_PATCH 1
#define LVGL_VERSION_INFO "dev"
#define LVGL_VERSION_MINOR 2
#define LVGL_VERSION_PATCH 0
#define LVGL_VERSION_INFO ""
/*********************
* INCLUDES