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把lvgl pycparser从子模块变为文件夹:
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‎lvgl/.devcontainer/__CMakeLists.txt__‎

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cmake_minimum_required(VERSION 3.12)
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project (lv_emscripten)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -s USE_SDL=2")
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include_directories(${PROJECT_SOURCE_DIR})
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add_subdirectory(lvgl)
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file(GLOB MY_SOURCES "./*.c")
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set(SOURCES ${MY_SOURCES})
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add_executable(index ${SOURCES} ${INCLUDES})
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if(NOT LVGL_CHOSEN_DEMO)
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set(LVGL_CHOSEN_DEMO lv_demo_widgets)
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endif()
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set_source_files_properties(main.c PROPERTIES COMPILE_FLAGS -DCHOSEN_DEMO=${LVGL_CHOSEN_DEMO})
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set(CMAKE_EXECUTABLE_SUFFIX ".html")
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target_link_libraries(index
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lvgl
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lvgl_examples
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lvgl_demos
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lvgl_thorvg
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SDL2
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)
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set_target_properties(index PROPERTIES LINK_FLAGS "--shell-file ${PROJECT_SOURCE_DIR}/lvgl/.devcontainer/lvgl_shell.html -s SINGLE_FILE=1")

‎lvgl/.devcontainer/__build_all.sh__‎

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cd build
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emcmake cmake ..
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emmake make -j$(nproc)
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echo "Built succesfully, opening index.html"
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code index.html

‎lvgl/.devcontainer/__c_cpp_properties.json__‎

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{
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"configurations": [
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{
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"name": "Linux",
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"includePath": [
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"${workspaceFolder}/**",
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"/usr/local/emsdk/upstream/emscripten/cache/sysroot/include/"
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],
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"defines": [],
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"compilerPath": "/usr/bin/clang",
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"cStandard": "c17",
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"cppStandard": "c++14",
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"intelliSenseMode": "linux-clang-x64"
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}
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],
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"version": 4
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}

‎lvgl/.devcontainer/__main.c__‎

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/**
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* @file main
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include <stdlib.h>
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#include <unistd.h>
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#define SDL_MAIN_HANDLED /*To fix SDL's "undefined reference to WinMain" issue*/
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#include <SDL2/SDL.h>
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#include <emscripten.h>
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#include "lvgl/lvgl.h"
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#include "lvgl/demos/lv_demos.h"
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#include "lvgl/examples/lv_examples.h"
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/*********************
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* DEFINES
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*********************/
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/*On OSX SDL needs different handling*/
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#if defined(__APPLE__) && defined(TARGET_OS_MAC)
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# if __APPLE__ && TARGET_OS_MAC
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#define SDL_APPLE
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# endif
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void hal_init(void);
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static int tick_thread(void * data);
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static void memory_monitor(lv_timer_t * param);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_display_t * disp1;
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int monitor_hor_res, monitor_ver_res;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void do_loop(void *arg);
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/* Allows disabling CHOSEN_DEMO */
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static void lv_example_noop(void) {
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}
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int main(int argc, char ** argv)
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{
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monitor_hor_res = 800;
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monitor_ver_res = 480;
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printf("Starting with screen resolution of %dx%d px\n", monitor_hor_res, monitor_ver_res);
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/*Initialize LittlevGL*/
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lv_init();
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/*Initialize the HAL (display, input devices, tick) for LittlevGL*/
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hal_init();
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lv_demo_widgets();
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emscripten_set_main_loop_arg(do_loop, NULL, -1, true);
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}
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void do_loop(void *arg)
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{
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/* Periodically call the lv_timer handler.
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* It could be done in a timer interrupt or an OS task too.*/
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lv_timer_handler();
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/**
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* Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics library
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*/
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static void hal_init(void)
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{
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lv_display_t * disp = lv_sdl_window_create(monitor_hor_res, monitor_ver_res);
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lv_group_t * g = lv_group_create();
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lv_group_set_default(g);
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lv_sdl_mouse_create();
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lv_indev_t * mousewheel = lv_sdl_mousewheel_create();
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lv_indev_set_group(mousewheel, lv_group_get_default());
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lv_indev_t * keyboard = lv_sdl_keyboard_create();
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lv_indev_set_group(keyboard, lv_group_get_default());
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}

‎lvgl/.devcontainer/__settings.json__‎

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{
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"files.associations": {
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"sdl.h": "c"
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}
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}

‎lvgl/.devcontainer/devcontainer.json‎

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{
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"image": "mcr.microsoft.com/devcontainers/universal:2",
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"features": {
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"ghcr.io/ebaskoro/devcontainer-features/emscripten:1": {}
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},
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"postCreateCommand": "chmod +x /workspace/lvgl_app/lvgl/.devcontainer/setup.sh; /workspace/lvgl_app/lvgl/.devcontainer/setup.sh",
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"postStartCommand": ". /usr/local/emsdk/emsdk_env.sh;",
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// Configure tool-specific properties.
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"customizations": {
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// Configure properties specific to VS Code.
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"vscode": {
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// Add the IDs of extensions you want installed when the container is created.
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"extensions": [
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//"searKing.preview-vscode"
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"analytic-signal.preview-html"
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]
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}
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},
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"hostRequirements": {
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"cpus": 4
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},
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"workspaceMount": "source=${localWorkspaceFolder},target=/workspace/lvgl_app/lvgl,type=bind",
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"workspaceFolder": "/workspace/lvgl_app"
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}

‎lvgl/.devcontainer/lv_conf.defaults‎

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LV_COLOR_DEPTH 32
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LV_MEM_SIZE (1024 * 1024)
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LV_DRAW_THREAD_STACK_SIZE (64 * 1024)
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LV_USE_MATRIX 1
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LV_USE_FLOAT 1
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LV_USE_LOTTIE 1
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LV_USE_DRAW_SW_COMPLEX_GRADIENTS 1
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LV_OBJ_STYLE_CACHE 1
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LV_USE_LOG 1
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LV_LOG_PRINTF 1
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LV_USE_PERF_MONITOR 1
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LV_USE_SYSMON 1
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LV_USE_ASSERT_MEM_INTEGRITY 1
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LV_USE_ASSERT_OBJ 1
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LV_USE_ASSERT_STYLE 1
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LV_FONT_MONTSERRAT_12 1
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LV_FONT_MONTSERRAT_14 1
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LV_FONT_MONTSERRAT_16 1
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LV_FONT_MONTSERRAT_18 1
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LV_FONT_MONTSERRAT_20 1
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LV_FONT_MONTSERRAT_22 1
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LV_FONT_MONTSERRAT_24 1
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LV_FONT_MONTSERRAT_26 1
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LV_FONT_MONTSERRAT_28 1
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LV_FONT_MONTSERRAT_30 1
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LV_FONT_MONTSERRAT_32 1
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LV_FONT_MONTSERRAT_34 1
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LV_FONT_MONTSERRAT_36 1
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LV_FONT_MONTSERRAT_38 1
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LV_FONT_MONTSERRAT_40 1
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LV_FONT_MONTSERRAT_42 1
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LV_FONT_MONTSERRAT_44 1
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LV_FONT_MONTSERRAT_46 1
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LV_FONT_MONTSERRAT_48 1
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LV_FONT_MONTSERRAT_28_COMPRESSED 1
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LV_FONT_DEJAVU_16_PERSIAN_HEBREW 1
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LV_FONT_SIMSUN_16_CJK 1
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LV_FONT_UNSCII_8 1
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LV_USE_IMGFONT 1
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LV_USE_FS_STDIO 1
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LV_FS_STDIO_LETTER 'A'
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LV_USE_FS_MEMFS 1
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LV_FS_MEMFS_LETTER 'M'
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LV_USE_THORVG_INTERNAL 1
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LV_USE_LZ4_INTERNAL 1
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LV_USE_VECTOR_GRAPHIC 1
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LV_USE_TINY_TTF 1
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LV_USE_BARCODE 1
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LV_USE_QRCODE 1
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LV_USE_RLE 1
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LV_BIN_DECODER_RAM_LOAD 1
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LV_USE_TJPGD 1
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LV_USE_BMP 1
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LV_USE_LODEPNG 1
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LV_USE_SDL 1
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LV_USE_DEMO_WIDGETS 1
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LV_USE_DEMO_KEYPAD_AND_ENCODER 1
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LV_USE_DEMO_BENCHMARK 1
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LV_USE_DEMO_RENDER 1
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LV_USE_DEMO_STRESS 1
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LV_USE_DEMO_MUSIC 1
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LV_USE_DEMO_FLEX_LAYOUT 1
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LV_USE_DEMO_MULTILANG 1
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LV_USE_DEMO_TRANSFORM 1
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LV_USE_DEMO_SCROLL 1
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‎lvgl/.devcontainer/lvgl_shell.html‎

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<html>
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<head>
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<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0, shrink-to-fit=no'/>
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<style type="text/css">
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html, body {
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margin: 0;
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width: 100%;
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height: 100%;
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min-width: 100%;
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min-height: 100%;
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}
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body {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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.git-commit-info {
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font-family: Consolas, 'Courier New', Courier, monospace;
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background-color: #f1f1f1;
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padding: 2px;
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text-align: left;
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}
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#git-hash {
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text-align: center;
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}
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#output {
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margin: 0;
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padding: 0;
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}
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</style>
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</head>
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<body>
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<div id="git-hash"></div>
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<p id="output">
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<canvas id="canvas"></canvas>
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</p>
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<script src="gitrev.js"></script>
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<script>
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var siteURL = new URL(window.location.href);
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var w = siteURL.searchParams.get("w") || "800";
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var h = siteURL.searchParams.get("h") || "480";
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var canvas = document.getElementById('canvas');
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canvas.setAttribute("width", w);
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canvas.setAttribute("height", h);
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console.log("Requested " + w + "x" + h + " px");
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var Module = {
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print: function(text) {
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console.log(text);
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},
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printErr: function(text) {
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console.error(text);
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},
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canvas: (function() {
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return canvas;
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})(),
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arguments: [ siteURL.searchParams.get("w") || "800", siteURL.searchParams.get("h") || "480", siteURL.searchParams.get("example") ?? "default" ]
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};
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if(typeof window.git_hash != 'undefined') {
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var gitHashDiv = document.querySelector("#git-hash");
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var gitLink = document.createElement("div");
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var gitHashComponents = window.git_hash.split(" ").filter(component => component.trim().length > 0);
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for(var i = 0; i < gitHashComponents.length; i++) {
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console.log(gitHashComponents[i], gitHashComponents[i].length);
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/* This is an extremely lazy way of checking for a Git hash, but it works */
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if(gitHashComponents[i].length == 40) {
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gitHashComponents[i] = `<a href="https://github.com/lvgl/${gitHashComponents[i+1]}/commit/${gitHashComponents[i]}">${gitHashComponents[i]}</a>`;
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} else {
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/* Repository name */
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gitHashComponents[i] += "<br/>";
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}
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}
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gitLink.classList.add("git-commit-info");
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gitLink.innerHTML = gitHashComponents.join(" ");
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gitHashDiv.textContent = "LVGL compiled to Emscripten. Git commit information:";
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gitHashDiv.appendChild(gitLink);
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}
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window.addEventListener("click", () => window.focus());
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</script>
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{{{ SCRIPT }}}
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</body>
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</html>

‎lvgl/.devcontainer/setup.sh‎

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#!/bin/sh
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echo ". /usr/local/emsdk/emsdk_env.sh" >> /home/codespace/.bashrc
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cd /workspace/lvgl_app
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sudo chmod 777 .
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mkdir build
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mkdir vscode
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cd lvgl/.devcontainer
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cp __CMakeLists.txt__ ../../CMakeLists.txt
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cp __main.c__ ../../main.c
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cp __build_all.sh__ ../../build_all.sh
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cp __c_cpp_properties.json__ ../../.vscode/c_cpp_properties.json
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cp __settings.json__ ../../.vscode/settings.json
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touch ../../lv_conf.h
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../scripts/generate_lv_conf.py --template ../lv_conf_template.h --config ../../lv_conf.h
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chmod +x ../../build_all.sh

‎lvgl/.github/.codecov.yml‎

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codecov:
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notify:
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require_ci_to_pass: true
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comment: off
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coverage:
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status:
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patch: off
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project: off

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