# Tiny TTF (/examples/libs/tiny_ttf)



Lightweight TrueType font renderer based on stb\_truetype. Enable with `LV_USE_TINY_TTF` in `lv_conf.h`.

Tiny TTF font from memory [#tiny-ttf-font-from-memory]

<LvglExampleBrief>
  Render a multi-line label with a 30 px TTF decoded from an embedded byte array.
</LvglExampleBrief>

`lv_tiny_ttf_create_data` loads the external `ubuntu_font` byte array at
30 px. A style binds the resulting `lv_font_t` and centers text, then a
label is placed at the center of the active screen showing a four-line
greeting drawn with the decoded font.

<LvglExample name="lv_example_tiny_ttf_1" path="libs/tiny_ttf/lv_example_tiny_ttf_1" />

Tiny TTF font from file [#tiny-ttf-font-from-file]

<LvglExampleBrief>
  Render a multi-line label with a 30 px TTF opened from the LVGL filesystem.
</LvglExampleBrief>

`lv_tiny_ttf_create_file` reads `Ubuntu-Medium.ttf` at 30 px through the
filesystem driver registered under drive letter `A`. A style binds the
resulting `lv_font_t` and centers text, then a label placed at the
center of the active screen shows a four-line greeting drawn with the
decoded font. The file path requires `LV_TINY_TTF_FILE_SUPPORT`.

<LvglExample name="lv_example_tiny_ttf_2" path="libs/tiny_ttf/lv_example_tiny_ttf_2" />

Resize Tiny TTF font with a slider [#resize-tiny-ttf-font-with-a-slider]

<LvglExampleBrief>
  Rescale a Tiny TTF font live as a slider drives a bound subject.
</LvglExampleBrief>

`lv_tiny_ttf_create_data` builds a 25 px font from the embedded
`ubuntu_font` array and applies it to a style used by a centered
`Hello world!` label. A slider spanning 5 to 50 is bound through
`lv_subject_t` to a label showing the current value, and an observer
calls `lv_tiny_ttf_set_size` followed by `lv_obj_report_style_change`
whenever the subject updates so the label redraws at the new size.

<LvglExample name="lv_example_tiny_ttf_3" path="libs/tiny_ttf/lv_example_tiny_ttf_3" />