FreeType integration with LVGL

This repository is merged into the lvgl repository. See https://docs.lvgl.io/master/libs/freetype.html

Interface to FreeType to generate font bitmaps run time

Install FreeType

• Download Freetype from here
• make
• sudo make install

Add FreeType to your project

• Add include path: /usr/include/freetype2 (for GCC: -I/usr/include/freetype2 -L/usr/local/lib)
• Add library: freetype (for GCC: -L/usr/local/lib -lfreetype)

Usage in LVGL

To enable cache, setLV_USE_FT_CACHE_MANAGER 1in lv_freetype.h.

  /*Init freetype library
   *Cache max 64 faces and 1 size*/
  lv_freetype_init(64, 1, 0);

  /*Create a font*/
  static lv_ft_info_t info;
  info.name = "./lv_lib_freetype/arial.ttf";
  info.weight = 16;
  info.style = FT_FONT_STYLE_NORMAL;
  lv_ft_font_init(&info);

  /*Create style with the new font*/
  static lv_style_t style;
  lv_style_init(&style);
  lv_style_set_text_font(&style, info.font);

  /*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");

Learn more

• FreeType tutorial
• LVGL's font interface