mpotapov/LVGL-simulation-example
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Add image & video examples

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This commit is contained in:
Xiaosheng An 2023-09-07 20:49:35 +01:00
parent d95a902ff7
commit b255c84632
4 changed files with 173 additions and 5 deletions
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4
Makefile
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@ -29,8 +29,8 @@ CFLAGS := -O0 -g $(WARNINGS)
DEFINES := -D SIMULATOR=1 -D LV_BUILD_TEST=0
# Include simulator inc folder first so lv_conf.h from custom UI can be used instead
INC := -I./ui/simulator/inc/ -I./ -I./lvgl/
LDLIBS := -lSDL2 -lm
INC := -I./ui/simulator/inc/ -I./ -I./lvgl/ -I/usr/include/freetype2 -L/usr/local/lib
LDLIBS := -lSDL2 -lm -lfreetype -lavformat -lavcodec -lavutil -lswscale -lm -lz -lpthread
BIN := $(BIN_DIR)/demo
COMPILE = $(CC) $(CFLAGS) $(INC) $(DEFINES)

81
lv_conf.h
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@ -498,6 +498,87 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
/*A layout similar to Grid in CSS.*/
#define LV_USE_GRID 1
/*---------------------
* 3rd party libraries
*--------------------*/
/*File system interfaces for common APIs */
/*API for fopen, fread, etc*/
#define LV_USE_FS_STDIO 1
#if LV_USE_FS_STDIO
#define LV_FS_STDIO_LETTER 'A' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
#define LV_FS_STDIO_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
#define LV_FS_STDIO_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
#endif
/*API for open, read, etc*/
#define LV_USE_FS_POSIX 0
#if LV_USE_FS_POSIX
#define LV_FS_POSIX_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
#define LV_FS_POSIX_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
#define LV_FS_POSIX_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
#endif
/*API for CreateFile, ReadFile, etc*/
#define LV_USE_FS_WIN32 0
#if LV_USE_FS_WIN32
#define LV_FS_WIN32_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
#define LV_FS_WIN32_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
#define LV_FS_WIN32_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
#endif
/*API for FATFS (needs to be added separately). Uses f_open, f_read, etc*/
#define LV_USE_FS_FATFS 0
#if LV_USE_FS_FATFS
#define LV_FS_FATFS_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
#define LV_FS_FATFS_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
#endif
/*PNG decoder library*/
#define LV_USE_PNG 1
/*BMP decoder library*/
#define LV_USE_BMP 1
/* JPG + split JPG decoder library.
* Split JPG is a custom format optimized for embedded systems. */
#define LV_USE_SJPG 1
/*GIF decoder library*/
#define LV_USE_GIF 1
/*QR code library*/
#define LV_USE_QRCODE 1
/*FreeType library*/
#define LV_USE_FREETYPE 1
#if LV_USE_FREETYPE
/*Memory used by FreeType to cache characters [bytes] (-1: no caching)*/
#define LV_FREETYPE_CACHE_SIZE (16 * 1024)
#if LV_FREETYPE_CACHE_SIZE >= 0
/* 1: bitmap cache use the sbit cache, 0:bitmap cache use the image cache. */
/* sbit cache:it is much more memory efficient for small bitmaps(font size < 256) */
/* if font size >= 256, must be configured as image cache */
#define LV_FREETYPE_SBIT_CACHE 0
/* Maximum number of opened FT_Face/FT_Size objects managed by this cache instance. */
/* (0:use system defaults) */
#define LV_FREETYPE_CACHE_FT_FACES 0
#define LV_FREETYPE_CACHE_FT_SIZES 0
#endif
#endif
/*Rlottie library*/
#define LV_USE_RLOTTIE 0
/*FFmpeg library for image decoding and playing videos
*Supports all major image formats so do not enable other image decoder with it*/
#define LV_USE_FFMPEG 1
#if LV_USE_FFMPEG
/*Dump input information to stderr*/
#define LV_FFMPEG_DUMP_FORMAT 0
#endif
/*==================
* EXAMPLES
*==================*/

4
lv_drv_conf.h
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@ -95,8 +95,8 @@
#endif
#if USE_SDL || USE_SDL_GPU
# define SDL_HOR_RES 800
# define SDL_VER_RES 480
# define SDL_HOR_RES 1024
# define SDL_VER_RES 1080
#define MONITOR_HOR_RES SDL_HOR_RES
#define MONITOR_VER_RES SDL_VER_RES

89
main/src/main.c
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@ -67,6 +67,91 @@ static int tick_thread(void *data);
* GLOBAL FUNCTIONS
**********************/
static void user_image_demo()
{
lv_obj_t * img = lv_gif_create(lv_scr_act());
lv_gif_set_src(img, "A:lvgl/examples/libs/gif/bulb.gif");
lv_obj_align(img, LV_ALIGN_BOTTOM_RIGHT, -20, -20);
lv_color_t bg_color = lv_palette_lighten(LV_PALETTE_LIGHT_BLUE, 5);
lv_color_t fg_color = lv_palette_darken(LV_PALETTE_BLUE, 4);
lv_obj_t * qr = lv_qrcode_create(lv_scr_act(), 150, fg_color, bg_color);
/*Set data*/
const char * data = "https://lvgl.io";
lv_qrcode_update(qr, data, strlen(data));
lv_obj_center(qr);
/*Add a border with bg_color*/
lv_obj_set_style_border_color(qr, bg_color, 0);
lv_obj_set_style_border_width(qr, 5, 0);
/*Create a font*/
static lv_ft_info_t info;
/*FreeType uses C standard file system, so no driver letter is required.*/
info.name = "./lvgl/examples/libs/freetype/Lato-Regular.ttf";
info.weight = 24;
info.style = FT_FONT_STYLE_NORMAL;
info.mem = NULL;
if(!lv_ft_font_init(&info)) {
LV_LOG_ERROR("create failed.");
}
/*Create style with the new font*/
static lv_style_t style;
lv_style_init(&style);
lv_style_set_text_font(&style, info.font);
lv_style_set_text_align(&style, LV_TEXT_ALIGN_CENTER);
/*Create a label with the new style*/
lv_obj_t * label = lv_label_create(lv_scr_act());
lv_obj_add_style(label, &style, 0);
lv_label_set_text(label, "Hello world\nI'm a font created with FreeType");
lv_obj_set_pos(label, 10, 10);
lv_obj_t * img1 = lv_img_create(lv_scr_act());
/* Assuming a File system is attached to letter 'A'
* E.g. set LV_USE_FS_STDIO 'A' in lv_conf.h */
lv_img_set_src(img1, "A:lvgl/examples/libs/png/wink.png");
lv_obj_align(img1, LV_ALIGN_LEFT_MID, 20, 0);
lv_obj_t * wp;
wp = lv_img_create(lv_scr_act());
/* Assuming a File system is attached to letter 'A'
* E.g. set LV_USE_FS_STDIO 'A' in lv_conf.h */
lv_img_set_src(wp, "A:lvgl/examples/libs/sjpg/small_image.sjpg");
lv_obj_align(wp, LV_ALIGN_RIGHT_MID, -20, 0);
lv_obj_t * img2 = lv_img_create(lv_scr_act());
/* Assuming a File system is attached to letter 'A'
* E.g. set LV_USE_FS_STDIO 'A' in lv_conf.h */
lv_img_set_src(img2, "A:lvgl/examples/libs/sjpg/lv_example_jpg.jpg");
//lv_obj_center(img);
lv_obj_align(img2, LV_ALIGN_TOP_RIGHT, -20, 20);
lv_obj_t * img3 = lv_img_create(lv_scr_act());
/* Assuming a File system is attached to letter 'A'
* E.g. set LV_USE_FS_STDIO 'A' in lv_conf.h */
#if LV_COLOR_DEPTH == 32
lv_img_set_src(img3, "A:lvgl/examples/libs/bmp/example_32bit.bmp");
#elif LV_COLOR_DEPTH == 16
lv_img_set_src(img, "A:lvgl/examples/libs/bmp/example_16bit.bmp");
#endif
lv_obj_align(img3, LV_ALIGN_BOTTOM_MID, 0, -20);
lv_obj_t * img4 = lv_img_create(lv_scr_act());
lv_img_set_src(img4, "A:lvgl/examples/libs/ffmpeg/ffmpeg.png");
lv_obj_align(img4, LV_ALIGN_BOTTOM_LEFT, 20, -20);
lv_obj_t * player = lv_ffmpeg_player_create(lv_scr_act());
lv_ffmpeg_player_set_src(player, "./lvgl/examples/libs/ffmpeg/birds.mp4");
lv_ffmpeg_player_set_auto_restart(player, true);
lv_ffmpeg_player_set_cmd(player, LV_FFMPEG_PLAYER_CMD_START);
lv_obj_align(player, LV_ALIGN_TOP_MID, 0, 20);
}
int main(int argc, char **argv)
{
(void)argc; /*Unused*/
@ -96,12 +181,14 @@ int main(int argc, char **argv)
// lv_example_flex_3();
// lv_example_label_1();
lv_demo_widgets();
// lv_demo_widgets();
// lv_demo_keypad_encoder();
// lv_demo_benchmark();
// lv_demo_stress();
// lv_demo_music();
user_image_demo();
while(1) {
/* Periodically call the lv_task handler.
* It could be done in a timer interrupt or an OS task too.*/