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LVGL 9.4 documentation

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Introduction
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Getting started
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Examples
Integrating LVGL
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- Overview
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- Running on PC
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  - Linux
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  - macOS
  - Browser
  - SDL Driver
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- Running under Embedded Linux
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  - Overview
  - OpenGL Overview
  - OS Support
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    - Buildroot
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    - Yocto
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    - Torizon OS
  - Drivers
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- RTOS Support
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  - FreeRTOS
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- Framework Support
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- Board Support
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  - LVGL Supported
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  - Boards
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    - ICOP
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- Chip Vendor Support
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  - Alif
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    - Overview
    - Dave2D GPU
  - Arm
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    - Overview
    - Arm-2D GPU
  - Espressif
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  - NXP
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  - Renesas
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  - STM32
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- Display Controller Support
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  - EVE
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    - EVE (FT81x)
    - EVE External GPU Renderer
  - Generic MIPI DCS compatible LCD Controller driver
  - ILI9341 LCD Controller driver
  - ST7735 LCD Controller driver
  - ST7789 LCD Controller driver
  - ST7796 LCD Controller driver
- Build System Support
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  - make
  - CMake
- Bindings
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Common Widget Features
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- Overview
- API Conventions
- Widget Tree
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- Position and Size
- Parts and States
- Layers
- Styles
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- Events
- Flags
- Layouts
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  - Overview
  - Flex
  - Grid
- Scrolling
All Widgets
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Main Modules
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- Display (lv_display)
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- Input devices (lv_indev)
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- Color (lv_color)
- Font (lv_font)
- Images (lv_image)
- Timer (lv_timer)
- Animation (lv_anim)
- File System (lv_fs_drv)
- Drawing
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UI Editor and XML
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- Introduction
- Learn by Examples
- UI Editor
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- XML Overview
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  - Overview
  - Syntax
- Integration
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  - Using the Exported C Code
  - Loading XML Files at Runtime
- UI Elements
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  - Components
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  - Constants
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- Assets
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  - Images
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- Features
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- Tools
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- Licenses
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  - XML License
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Auxiliary Modules
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- File Explorer
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- Fragment
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- Pinyin IME
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- Monkey
- Widget ID
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- Observer
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  - How to Use
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- Snapshot
- System Monitor (sysmon)
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- Translation
3rd-Party Libraries
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Debugging
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Contributing
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Change Log
API
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- lv_api_map_v8.h
- lv_api_map_v9_0.h
- lv_api_map_v9_1.h
- lv_api_map_v9_2.h
- lv_api_map_v9_3.h
- lv_conf_internal.h
- lv_conf_kconfig.h
- lv_init.h
- lvgl.h
- lvgl_private.h
- core
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- display
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  - lv_display.h
  - lv_display_private.h
- draw
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  - lv_draw.h
  - lv_draw_3d.h
  - lv_draw_arc.h
  - lv_draw_buf.h
  - lv_draw_buf_private.h
  - lv_draw_image.h
  - lv_draw_image_private.h
  - lv_draw_label.h
  - lv_draw_label_private.h
  - lv_draw_line.h
  - lv_draw_mask.h
  - lv_draw_mask_private.h
  - lv_draw_private.h
  - lv_draw_rect.h
  - lv_draw_rect_private.h
  - lv_draw_triangle.h
  - lv_draw_triangle_private.h
  - lv_draw_vector.h
  - lv_draw_vector_private.h
  - lv_image_decoder.h
  - lv_image_decoder_private.h
  - lv_image_dsc.h
  - convert
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    - lv_draw_buf_convert.h
    - helium
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      - lv_draw_buf_convert_helium.h
    - neon
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      - lv_draw_buf_convert_neon.h
  - dma2d
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    - lv_draw_dma2d.h
    - lv_draw_dma2d_private.h
  - espressif
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    - ppa
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      - lv_draw_ppa.h
      - lv_draw_ppa_private.h
  - eve
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  - nema_gfx
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  - nxp
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    - g2d
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    - pxp
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  - opengles
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    - lv_draw_opengles.h
  - renesas
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    - dave2d
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      - lv_draw_dave2d.h
      - lv_draw_dave2d_utils.h
  - sdl
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    - lv_draw_sdl.h
  - sw
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    - lv_draw_sw.h
    - lv_draw_sw_grad.h
    - lv_draw_sw_mask.h
    - lv_draw_sw_mask_private.h
    - lv_draw_sw_private.h
    - lv_draw_sw_utils.h
    - arm2d
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      - lv_draw_sw_arm2d.h
      - lv_draw_sw_helium.h
    - blend
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      - lv_draw_sw_blend.h
      - lv_draw_sw_blend_private.h
      - lv_draw_sw_blend_to_al88.h
      - lv_draw_sw_blend_to_argb8888.h
      - lv_draw_sw_blend_to_argb8888_premultiplied.h
      - lv_draw_sw_blend_to_i1.h
      - lv_draw_sw_blend_to_l8.h
      - lv_draw_sw_blend_to_rgb565.h
      - lv_draw_sw_blend_to_rgb565_swapped.h
      - lv_draw_sw_blend_to_rgb888.h
      - arm2d
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        lv_blend_arm2d.h
      - helium
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        lv_blend_helium.h
      - neon
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        lv_blend_neon.h
        
        lv_draw_sw_blend_neon_to_rgb565.h
        
        lv_draw_sw_blend_neon_to_rgb888.h
  - vg_lite
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- drivers
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  - lv_drivers.h
  - display
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    - drm
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      - lv_linux_drm.h
      - lv_linux_drm_egl_private.h
    - fb
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      - lv_linux_fbdev.h
    - ft81x
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      - lv_ft81x.h
      - lv_ft81x_defines.h
    - ili9341
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      - lv_ili9341.h
    - lcd
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      - lv_lcd_generic_mipi.h
    - lovyan_gfx
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      - lv_lgfx_user.hpp
      - lv_lovyan_gfx.h
    - nxp_elcdif
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      - lv_nxp_elcdif.h
    - renesas_glcdc
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      - lv_renesas_glcdc.h
    - st7735
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      - lv_st7735.h
    - st7789
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      - lv_st7789.h
    - st7796
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      - lv_st7796.h
    - st_ltdc
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      - lv_st_ltdc.h
    - tft_espi
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      - lv_tft_espi.h
  - draw
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    - eve
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      - lv_draw_eve_display.h
      - lv_draw_eve_display_defines.h
  - evdev
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    - lv_evdev.h
    - lv_evdev_private.h
  - libinput
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  - nuttx
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  - opengles
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    - lv_opengles_debug.h
    - lv_opengles_driver.h
    - lv_opengles_egl.h
    - lv_opengles_egl_private.h
    - lv_opengles_glfw.h
    - lv_opengles_private.h
    - lv_opengles_texture.h
    - lv_opengles_texture_private.h
    - lv_opengles_window.h
    - assets
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      - lv_opengles_standard_shader.h
    - opengl_shader
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      - lv_opengl_shader_internal.h
  - qnx
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    - lv_qnx.h
  - sdl
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  - uefi
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  - wayland
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  - windows
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  - x11
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    - lv_x11.h
- font
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- indev
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- layouts
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  - lv_layout.h
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  - flex
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    - lv_flex.h
  - grid
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    - lv_grid.h
- libs
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  - barcode
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    - lv_barcode.h
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  - bin_decoder
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    - lv_bin_decoder.h
  - bmp
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    - lv_bmp.h
  - ffmpeg
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    - lv_ffmpeg.h
    - lv_ffmpeg_private.h
  - freetype
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    - lv_freetype.h
    - lv_freetype_private.h
  - fsdrv
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    - lv_fsdrv.h
  - gif
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    - lv_gif.h
  - gltf
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    - gltf_data
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    - gltf_view
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      - lv_gltf.h
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      - assets
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        lv_gltf_view_shader.h
      - ibl
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        lv_gltf_ibl_sampler.h
    - math
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      - lv_gltf_math.hpp
  - gstreamer
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    - lv_gstreamer.h
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  - libjpeg_turbo
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    - lv_libjpeg_turbo.h
  - libpng
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    - lv_libpng.h
  - lodepng
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    - lv_lodepng.h
  - qrcode
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    - lv_qrcode.h
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  - rle
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    - lv_rle.h
  - rlottie
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    - lv_rlottie.h
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  - svg
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  - tiny_ttf
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    - lv_tiny_ttf.h
  - tjpgd
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    - lv_tjpgd.h
- misc
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  - lv_anim.h
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  - lv_anim_timeline.h
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  - lv_area.h
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  - lv_array.h
  - lv_assert.h
  - lv_async.h
  - lv_bidi.h
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  - lv_circle_buf.h
  - lv_color.h
  - lv_color_op.h
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  - lv_event.h
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  - lv_fs.h
  - lv_fs_private.h
  - lv_grad.h
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  - lv_math.h
  - lv_matrix.h
  - lv_palette.h
  - lv_profiler.h
  - lv_profiler_builtin.h
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  - lv_rb.h
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  - lv_style.h
  - lv_style_gen.h
  - lv_style_private.h
  - lv_templ.h
  - lv_text.h
  - lv_text_ap.h
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  - lv_timer.h
  - lv_timer_private.h
  - lv_tree.h
  - lv_utils.h
  - cache
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    - lv_cache.h
    - lv_cache_entry.h
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    - lv_cache_private.h
    - class
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    - instance
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- osal
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- others
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  - file_explorer
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    - lv_file_explorer.h
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  - font_manager
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    - lv_font_manager.h
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  - fragment
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    - lv_fragment.h
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  - gridnav
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    - lv_gridnav.h
  - ime
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    - lv_ime_pinyin.h
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  - imgfont
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    - lv_imgfont.h
  - monkey
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    - lv_monkey.h
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  - observer
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    - lv_observer.h
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  - snapshot
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    - lv_snapshot.h
  - sysmon
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    - lv_sysmon.h
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  - test
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  - translation
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    - lv_translation.h
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  - xml
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- stdlib
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  - lv_mem.h
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  - lv_sprintf.h
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  - builtin
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    - lv_tlsf.h
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- themes
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  - lv_theme.h
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  - default
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    - lv_theme_default.h
  - mono
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    - lv_theme_mono.h
  - simple
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    - lv_theme_simple.h
- tick
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  - lv_tick.h
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- widgets
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  - 3dtexture
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    - lv_3dtexture.h
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  - animimage
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    - lv_animimage.h
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  - arc
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    - lv_arc.h
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  - arclabel
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    - lv_arclabel.h
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  - bar
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    - lv_bar.h
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  - button
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    - lv_button.h
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  - buttonmatrix
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    - lv_buttonmatrix.h
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  - calendar
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  - canvas
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    - lv_canvas.h
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  - chart
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    - lv_chart.h
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  - checkbox
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    - lv_checkbox.h
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  - dropdown
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    - lv_dropdown.h
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  - image
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    - lv_image.h
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  - imagebutton
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    - lv_imagebutton.h
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  - keyboard
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    - lv_keyboard.h
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  - label
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    - lv_label.h
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  - led
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    - lv_led.h
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  - line
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    - lv_line.h
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  - list
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    - lv_list.h
  - lottie
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    - lv_lottie.h
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  - menu
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    - lv_menu.h
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  - msgbox
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    - lv_msgbox.h
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  - objx_templ
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    - lv_objx_templ.h
  - property
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    - lv_obj_property_names.h
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  - roller
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    - lv_roller.h
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  - scale
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    - lv_scale.h
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  - slider
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    - lv_slider.h
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  - span
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    - lv_span.h
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  - spinbox
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    - lv_spinbox.h
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  - spinner
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    - lv_spinner.h
  - switch
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    - lv_switch.h
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  - table
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    - lv_table.h
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  - tabview
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    - lv_tabview.h
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  - textarea
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    - lv_textarea.h
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  - tileview
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    - lv_tileview.h
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  - win
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    - lv_win.h
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Last updated on Oct 01, 2025